MIAX on NYSE

Miami International Holdings, Inc.

Logo: Miami International Holdings, Inc., Public domain, via Wikimedia Commons5

American exchange and clearing house company

Miami International Holdings, Inc. (MIH), trading as MIAX, is an American company formed in 2007 that operates global financial exchanges and execution services. The company owns a number of U.S. exchanges for equities, equity options, and commodities. These include the MIAX Exchange Group — which is composed of MIAX, MIAX Pearl, MIAX Pearl Equities, MIAX Emerald, and MIAX Sapphire — and the Minneapolis Grain Exchange (MGEX).3 Wikipedia text CC BY-SA 4.0

Price unavailable

Last updated Oct 21, 2026.

Overview

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  • TickerMIAX on NYSE1
  • IndustrySecurity Brokers, Dealers & Flotation Companies1
  • HeadquartersPrinceton1
  • Websitewww.miaxoptions.com
  • Incorporated inDE6
  • Business address7 Roszel Road, Fifth Floor, Suite 1-A, Princeton, Nj 085406
  • Filer categoryNon-accelerated filer6
  • Legal formCorporation4
  • LEI254900TREUDBWGLAP7884
  • StatusActive4
  • LEI statusIssued and current4
  • Registered addressC/O The Corporation Trust Company, 19801 Wilmington, United States4
  • Registered withDivision of Corporations, Department of State, 44572594

Miami International Holdings, Inc. (MIH), trading as MIAX, is an American company formed in 2007 that operates global financial exchanges and execution services.3

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Key numbers, fiscal 2025

31.6%Gross margin9
6.7%Operating margin9
-5.1%Net margin9
19.6%Revenue growth, 20259
-7.9%Return on equity9
0.00×Debt to equity9
$145.0MFree cash flow9

What sells

Revenue by product, business segment and region, as the company reports it to the SEC.

Products and services

Transaction And Clearing Fees brought in 87% of the revenue Miami International Holdings, Inc. broke down this way in fiscal 2025.

  1. Transaction And Clearing Fees$1.2B987%up 19% from 2024
  2. Access Fees$106.0M98%up 18% from 2024
  3. Market Data Fees$41.6M93%up 24% from 2024
  4. Product and Service, Other$27.0M92%up 61% from 2024
Products and services by year
Products and services202320242025
Transaction And Clearing Fees$907.1M$1.0B$1.2B
Access Fees$88.0M$89.6M$106.0M
Market Data Fees$30.1M$33.6M$41.6M
Product and Service, Other$15.7M$16.7M$27.0M

Business segments

Options brought in 81% of the revenue Miami International Holdings, Inc. broke down this way in fiscal 2025.

  1. Options$1.1B981%up 30% from 2024
  2. Equities$153.3M911%down 18% from 2024
  3. Futures$87.9M96%down 9% from 2024
  4. International$14.7M91%up 344% from 2024
Business segments by year
Business segments202320242025
Options$788.3M$851.8M$1.1B
Equities$165.2M$187.8M$153.3M
Futures$83.7M$96.1M$87.9M
International$3.2M$3.3M$14.7M

Where the money goes

Where each dollar of revenue went, fiscal 2025

  • Cost of revenue68¢$933.5M
  • Other costs31¢$429.1M
  • Income tax0¢$1.4M

Out of $1.4B in revenue.9 The company lost money this year.

Where each dollar of operating cash went, fiscal 2025

  • Capital spending14¢$22.8M
  • Share buybacks13¢$21.8M
  • Kept or used elsewhere73¢$123.2M

Out of $167.8M of cash from operations.9

Financial statements

Revenue9$1.4B in 2025+31% since 2023
0$500.0M$1.0B$1.5B2023: $1.0B$1.0B20232024: $1.1B$1.1B2024+10%2025: $1.4B$1.4B2025+20%
Gross profit9$430.5M in 2025+85% since 2023
0$200.0M$400.0M$600.0M2023: $232.5M$232.5M20232024: $275.6M$275.6M2024+19%2025: $430.5M$430.5M2025+56%
Operating income9$92.0M in 2025
-$25.0M0$25.0M$50.0M$75.0M$100.0M2023: -$2.9M-$2.9M20232024: -$2.8M-$2.8M2024−1%2025: $92.0M$92.0M2025
Net income9-$70.0M in 2025+235% since 2023
-$100.0M-$50.0M0$50.0M$100.0M$150.0M2023: -$20.9M-$20.9M20232024: $102.1M$102.1M20242025: -$70.0M-$70.0M2025

Every line of the income statement as filed: the last 3 fiscal years, latest first.9

Period ending2025-12-312024-12-312023-12-31
Total revenues$1.4B$1.1B$1.0B
Liquidity payments$837.9M$727.2M$718.2M
Brokerage, clearing, and exchange fees$55.3M$68.5M$55.0M
Section 31 fees$35.2M$62.1M$27.8M
Equity rights program$0$2.0M$4.6M
Other cost of revenues$5.2M$4.7M$2.9M
Total cost of revenues$933.5M$864.4M$808.5M
Revenues less cost of revenues$430.5M$275.6M$232.5M
Compensation and benefits$188.3M$145.2M$110.7M
Information technology and communication costs$35.4M$29.2M$22.5M
Depreciation and amortization$29.4M$23.4M$21.0M
Occupancy costs$12.0M$9.4M$7.6M
Professional fees and outside services$42.8M$47.7M$44.7M
Marketing and business development$2.8M$3.1M$5.6M
Acquisition-related costs$2.9M$0$2.7M
General, administrative, and other$25.1M$20.6M$20.6M
Total operating expenses$338.6M$278.5M$235.3M
Operating income (loss)$92.0M-$2.8M-$2.9M
Change in fair value of warrants on puttable shares & puttable common stock-$2.2M-$10.6M-$26.0K
Loss on extinguishment of puttable common stock liability$0$0-$5.1M
Change in fair value of puttable warrants issued with debt-$1.2M-$4.7M$0
Interest income$9.4M$3.3M$2.7M
Interest expense and amortization of debt issuance costs-$12.9M-$14.0M-$18.9M
Impairment of investment$0-$4.1M-$2.4M
Gain (loss) on intangible asset-$2.1M$52.6M$0
Unrealized gain (loss) on derivative assets-$54.9M$83.8M$0
Loss on debt extinguishment-$107.7M$0$0
Other, net$11.0M$1.5M$4.5M
Income (loss) before income tax provision-$68.6M$105.1M-$22.1M
Income tax benefit (expense)-$1.4M-$3.1M$697.0K
Net income (loss)-$70.0M$102.0M-$21.4M
Net loss attributable to non-controlling interest$0-$137.0K-$482.0K
Net income (loss) attributable to Miami International Holdings, Inc.-$70.0M$102.1M-$20.9M
Basic (in shares)69.8M shares60.7M shares56.5M shares
Diluted (in shares)69.8M shares74.6M shares56.5M shares
Basic (in dollars per share)-$1.00$1.68-$0.37
Diluted (in dollars per share)-$1.00$1.39-$0.37

Compare Miami International Holdings, Inc. with another company

Corporate structure

Miami International Holdings, Inc. sits at the top of its group. 23 entities, 4 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of Miami International Holdings, Inc.

  • T. Rowe Price Investment Management, Inc. Filed SCHEDULE 13G on Miami International Holdings, Inc., latest Aug 14, 2026
  • BlackRock Filed SCHEDULE 13G on Miami International Holdings, Inc., latest Jul 29, 2026
  • HORIZON KINETICS ASSET MANAGEMENT LLC Filed SCHEDULE 13D/A on Miami International Holdings, Inc., latest May 21, 2026 (5 filings since Aug 21, 2025)
  • Thomas P. Gallagher Filed SCHEDULE 13D/A on Miami International Holdings, Inc., latest Aug 28, 2025 (2 filings since Aug 21, 2025)
  • Miami International Holdings, Inc. Princeton, New Jersey, United States
    • BSD Nominee Ltd. Subsidiary · Bermuda
    • Dorman Trading, LLC Subsidiary · Illinois, United States
    • LedgerX LLC d/b/a MIAX Derivatives Exchange Subsidiary · Delaware, United States
    • M 402 Holdings, LLC Subsidiary · Delaware, United States
    • M 7 Holdings, LLC Subsidiary · Delaware, United States
    • M 8 Holdings, LLC Subsidiary · Delaware, United States
    • M 9 Holdings, LLC Subsidiary · Delaware, United States
    • MGEX Real Estate Holdings, LLC Subsidiary · Delaware, United States
    • Miami International Securities Exchange, LLC Subsidiary · Princeton, New Jersey, United States
    • Miami International Technologies, LLC Subsidiary · Delaware, United States
    • MIAX EMERALD, LLC Subsidiary · Princeton, New Jersey, United States
    • MIAX FUTURES EXCHANGE, LLC Subsidiary · Minneapolis, Minnesota, United States
    • MIAX Global Derivatives, LLC Subsidiary · Delaware, United States
    • MIAX Global, LLC Subsidiary · Delaware, United States
    • Miax Pearl Equities Subsidiary · Princeton, United States
    • MIAX PEARL, LLC Subsidiary · Princeton, New Jersey, United States
    • MIAX Products, LLC Subsidiary · Illinois, United States
    • MIAX SAPPHIRE, LLC Subsidiary · Princeton, New Jersey, United States
    • MIH East Holdings, Limited Subsidiary · United Kingdom
    • The Bermuda Stock Exchange Subsidiary · Bermuda
    • The International Stock Exchange Authority Limited Subsidiary · Guernsey
    • The International Stock Exchange Group Limited Subsidiary · Guernsey

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Miami International Holdings, Inc. reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Property and equipment

ItemLatestA year beforeChange
Computer equipment and software$112.8M9 Dec 31, 2025$98.4M9 Dec 31, 2024+14.6%
Accumulated depreciation$129.7M9 Dec 31, 2025$111.8M9 Dec 31, 2024+16.0%
Property and equipment, net$46.9M9 Dec 31, 2025$44.5M9 Dec 31, 2024+5.3%
Operating-lease assets (leased space)$15.1M9 Dec 31, 2025$15.5M9 Dec 31, 2024−2.2%

Investments

ItemLatestA year beforeChange
Cash and cash equivalents$433.6M9 Dec 31, 2025$150.3M9 Dec 31, 2024+188.4%
Equity securities at fair value$16.9M9 Dec 31, 2025$10.2M9 Dec 31, 2024+65.8%
Long-term investments$19.2M9 Dec 31, 2025$31.0M9 Dec 31, 2024−38.2%

Intangibles and goodwill

ItemLatestA year beforeChange
Goodwill$62.2M9 Dec 31, 2025$46.8M9 Dec 31, 2024+32.9%
Intangible assets, net (excluding goodwill)$170.8M9 Dec 31, 2025$114.2M9 Dec 31, 2024+49.5%
Accumulated amortization$3.1M9 Dec 31, 2025$2.2M9 Dec 31, 2024+40.6%
Finite-lived intangibles, net$17.2M9 Dec 31, 2025

Properties, in its own words

Our executive offices, technology development center and the National Operations Center for the MIAX Exchanges are located in Princeton, New Jersey, as part of a 94,445 square foot lease expiring in September 2027. Additional offices and a multi-purpose training, meeting and conference center are part of the MIAX Exchange’s state-of-the-art facility in Miami, Florida. In September 2023, we entered into a 38,409 square foot lease for the floor-based trading operations of our fourth U.S. Options Exchange, MIAX Sapphire, located in the Wynwood section of Miami, Florida, which expires in 2034. We also own The Grain Exchange through MGEX Real Estate Holdings, LLC (“MGEX Real Estate Holdings”), a campus of three historic buildings with architectural features that date as far back as 120 years located in downtown Minneapolis and listed in the National Register of Historic Places, which is under contract for sale. The Grain Exchange campus has a total of 325,000 square feet of space. As of December 31, 2025, MGEX Real Estate Holdings leased approximately 102,000 square feet of space to various tenants, including MIAX Futures. BSX operating facilities are located at Exchange

House in Hamilton, Bermuda, as part of a lease expiring in 2026 (which we intend to renew); Dorman Trading operating facilities are located in Chicago, Illinois, as part of a lease expiring in 2028; and TISEG operating facilities are located in St. Peter Port, Guernsey, as part of a lease expiring in 2031. We have also entered into leases for the primary and secondary data centers we operate for the MIAX Exchanges, BSX and MIAX Futures. The executive offices for MIAXdx were located in our Princeton, New Jersey headquarters.

The rest of Item 2

We believe our facilities are adequate for our current operations and that additional space can be obtained if needed.

Item 2 of the 10-K filed Mar 6, 2026.13

The story

MIH launched the Miami International Securities Exchange (MIAX) in 2012, after receiving approval from the U.S. Securities and Exchange Commission (SEC).

The company received approval from the SEC and launched MIAX Pearl Equities, MIH's first equities exchange, in 2020. MIAX Pearl Equities received backing and support from member firms such as IMC Financial Markets, Susquehanna International Group, Two Sigma Investments, Hudson River Trading, and Chicago Trading Company. The exchange also became a participant in the UTP Plan.

In 2022, MIH acquired Dorman Trading, a full-service Futures Commission Merchant registered with the Commodity Futures Trading Commission (CFTC). Subsequently, the company filed for a U.S. initial public offering with the SEC. MIH's equities exchange, MIAX Pearl Equities, reached a market share of 0.99% at the end of the same year. In May 2023, MIH acquired LedgerX from the FTX bankruptcy estate; MIH later sold a 90% stake in the company in January 2026, retaining a 10% minority share.

On October 17, 2023, MIH announced that it had filed the Form 1 application to the SEC to register MIAX Sapphire, a new exchange for U.S. options. The exchange commenced trading operations in the third quarter of 2024.

In November 2023, MIH announced plans to open a new options trading pit and offices in Miami's Wynwood neighborhood, which would house MIH's new trading venue, MIAX Sapphire. The new exchange, MIH's fourth options exchange, would include a physical trading floor in Miami, the first of its kind. Delays pushed the physical trading floor opening to 2025

In 2024, the firm named former Citadel Securities executive Troy Kane CEO of its newly-formed futures business, MIAX Futures. Later in August 2024, MIH secured a $100 million investment from private equity firm Warburg Pincus to fund continued global expansion, including the construction of a physical trading floor in Miami for MIAX Sapphire and the growth of its agricultural and financial futures businesses.

MIAX venues rely heavily on equity-rights programs where firms receive stakes for meeting volume thresholds, creating a high structural concentration on institutional partners.

Infrastructure outages

The MIAX Exchange Group has experienced intermittent network disruptions affecting market access,, which required participants to reroute orders.

Read the full text

Initial public offering

The company went public on August 14, 2025, listing on the New York Stock Exchange with the ticker symbol "MIAX". Shares of the stock jumped 38% from their IPO price on its debut, valuing the company at about $2.5 billion as it raised $345 million.

Acquisition of MGEX

In 2020, the company acquired MGEX, which was known for its signature wheat contracts. MIH subsequently renamed the market as MIAX Futures Exchange in 2024.

Financial futures

In September 2025, the company announced its plans to launch financial futures on MIAX Futures using its proprietary Onyx trading platform.

From Wikipedia’s article on Miami International Holdings, shared under CC BY-SA 4.0.7

Leadership

Who has led Miami International Holdings, Inc., and when. Pick a name to see everywhere that person has worked.

Chief executive

  1. Cees Vermaas2025–now

Chief financial officer

  1. Lance Emmons2025–now
Board members and other officers (22)

Subsidiaries and ownership

Subsidiaries

  • Miami International Securities Exchange
  • Miax Emerald, LLC
  • Miax Pearl Equities
  • Miax Pearl, Llc

Subsidiaries (Exhibit 21)

  • BSD Nominee Ltd. Bermuda8
  • Dorman Trading, LLC Illinois8
  • LedgerX LLC d/b/a MIAX Derivatives Exchange Delaware8
  • M 402 Holdings, LLC Delaware8
  • M 7 Holdings, LLC Delaware8
  • M 8 Holdings, LLC Delaware8
  • M 9 Holdings, LLC Delaware8
  • MGEX Real Estate Holdings, LLC Delaware8
  • MIAX Emerald, LLC Delaware8
  • MIAX Futures Exchange, LLC Delaware8
  • MIAX Global Derivatives, LLC Delaware8
  • MIAX Global, LLC Delaware8
  • MIAX PEARL, LLC Delaware8
  • MIAX Products, LLC Illinois8
  • MIAX Sapphire, LLC Delaware8
  • MIH East Holdings, Limited England and Wales8
  • Miami International Securities Exchange, LLC Delaware8
  • Miami International Technologies, LLC Delaware8
  • The Bermuda Stock Exchange Bermuda8
  • The International Stock Exchange Authority Limited Guernsey8
  • The International Stock Exchange Group Limited Guernsey8

From Wikidata.1 The subsidiaries the company lists in Exhibit 21 of its annual report, as filed.

Former names

  • MIAMI INTERNATIONAL HOLDINGS INCJun 23, 2008 to Jun 23, 20086

Timeline

  1. Aug 5, 20268-K Results of operations38
  2. Jul 21, 20268-K Other events39
  3. Jun 22, 20268-K Unregistered sale of shares40
  4. Jun 18, 20268-K Shareholder vote41
  5. Jun 17, 20268-K Executive or director change42
  6. May 6, 20268-K Results of operations43
  7. Apr 27, 20268-K Executive or director change44
  8. Apr 9, 20268-K Executive or director change45
  9. Mar 26, 20268-K Executive or director change46
  10. Mar 2, 20268-K Unregistered sale of shares47
  11. Feb 25, 20268-K Results of operations48
  12. Feb 20, 20268-K Unregistered sale of shares49
  13. Aug 13, 2025New chief executive Cees Vermaas becomes CEO14
  14. Nov 14, 2007Founded Miami International Holdings, Inc. is founded4

Calendar

Coming up

  1. Oct 29, 2026 · After the closeReports results for the quarter ending Sep/2026 A year earlier it reported $0.02 a share, on Nov 5, 2025.50

When it reported results

  1. Aug 5, 2026Reported quarterly or annual results38
  2. May 6, 2026Reported quarterly or annual results43
  3. Feb 25, 2026Reported quarterly or annual results48
  4. Nov 5, 2025Reported quarterly or annual results51

Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). The full markets calendar

Filings

296 filings to the SEC since October 2021: 1 annual reports, 3 quarterly reports, 20 major events, 177 insider forms, 9 large holders, 86 other. The latest 20:

  1. Oct 6, 20264 EDGAR
  2. Oct 2, 2026144 EDGAR
  3. Sep 29, 20264 EDGAR
  4. Sep 17, 20264 EDGAR
  5. Sep 16, 2026144 EDGAR
  6. Sep 11, 20264 EDGAR
  7. Sep 4, 20264 EDGAR
  8. Sep 4, 20264 EDGAR
  9. Sep 4, 20264 EDGAR
  10. Sep 4, 20264 EDGAR
  11. Sep 4, 20264 EDGAR
  12. Sep 3, 2026144 EDGAR
  13. Aug 20, 20264 EDGAR
  14. Aug 20, 20264 EDGAR
  15. Aug 19, 2026144 EDGAR
  16. Aug 19, 20264 EDGAR
  17. Aug 19, 20264 EDGAR
  18. Aug 17, 2026144 EDGAR
  19. Aug 14, 2026SCHEDULE 13G EDGAR
  20. Aug 7, 202610-Q EDGAR

The 296 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

81 open-market trades by officers, directors and large owners since October 2021: 17 buys and 64 sales. Grants, option exercises and gifts are left out.

DateWhoTradeSharesPriceValueFiling
Sep 16, 2026Brown ShellyEVP, Chief Strategy OfficerSale21,217$38.61$819.2KForm 4
Sep 3, 2026Deitzel EdwardEVP, CRO, CCO MIAX ExchangesSale11,000$42.21$464.3KForm 4
Sep 3, 2026Gallagher Thomas P.Chairman & CEOSale47,000$42.43$2.0MForm 4
Sep 2, 2026Comly Barbara J.EVP, GC & Corporate SecretarySale44,445$40.49$1.8MForm 4
Sep 2, 2026Schafer Douglas M. JREVP and CIOSale48,000$40.48$1.9MForm 4
Sep 2, 2026Teekell Judson GrayDirectorSale8,545$41.34$353.2KForm 4
Aug 19, 2026Gallagher Thomas P.Chairman & CEOSale149,700$41.13$6.2MForm 4
Aug 17, 2026Schwarzkopf CynthiaDirectorSale5,000$42.85$214.2KForm 4
Aug 17, 2026Emmons LanceEVP and CFOSale35,000$42.83$1.5MForm 4
Aug 4, 2026Comly Barbara J.EVP, GC & Corporate SecretarySale44,445$45.69$2.0MForm 4
Aug 4, 2026Eckert Kurt M.DirectorSale1,063$45.80$48.7KForm 4
Aug 4, 2026Deitzel EdwardEVP, CRO, CCO MIAX ExchangesSale11,000$45.78$503.6KForm 4
Aug 4, 2026Jayabalan HarishEVP, CISO and CROSale20,000$45.90$918.0KForm 4
Aug 4, 2026Gallagher Thomas P.Chairman & CEOSale48,334$45.69$2.2MForm 4
Aug 4, 2026Schafer Douglas M. JREVP and CIOSale48,000$45.71$2.2MForm 4
Aug 4, 2026Teekell Judson GrayDirectorSale3,000$45.79$137.4KForm 4
Jul 15, 2026Schwarzkopf CynthiaDirectorSale5,000$42.00$210.0KForm 4
Jul 13, 2026Comly Barbara J.EVP, GC & Corporate SecretarySale28,000$41.98$1.2MForm 4
Jul 13, 2026Gallagher Thomas P.Chairman & CEOSale70,000$42.52$3.0MForm 4
Jul 7, 2026Gallagher Thomas P.Chairman & CEOSale28,228$42.27$1.2MForm 4

All 81 trades can be filtered by person here when JavaScript is on.

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

Executive pay

What the company paid its top executives, from the summary compensation table in its proxy statement. Total pay includes salary, bonus, stock and option awards and other pay, as the company valued them.

YearExecutiveAgeSalaryTotal pay
2025Chairman &Chief Executive Officer$2.5M$21.2M56
2025Executive Vice President andChief Information Officer$2.1M$5.4M56
2025Executive Vice PresidentChief Financial Officer$780.0K$4.0M56
2024Chairman &Chief Executive Officer$2.5M$10.4M56
2024Executive Vice President andChief Information Officer$1.9M$7.0M56
2024Executive Vice PresidentGeneral Counsel and Corporate Secretary$1.5M$3.8M56
2023Chairman &Chief Executive Officer$2.5M$33.6M56
2023Executive Vice PresidentGeneral Counsel and Corporate Secretary$1.4M$14.4M56
2023Executive Vice President andChief Information Officer$1.8M$3.7M56

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 100. Change is in shares since the quarter before.

FundSharesValueShare of the fundChange
Horizon Kinetics Asset Management LLC7,842,173$291.4M3.3%+4,390,624
BlackRock, Inc.5,071,754$188.5M0.0%+2,839,074
Vanguard Portfolio Management LLC3,786,418$140.7M0.0%+2,411,472
Susquehanna International Group, Llp3,355,043$124.7M0.1%+58,697
Vanguard Capital Management LLC3,165,686$117.6M0.0%+1,750,707
Invesco Ltd.2,020,650$75.1M0.0%+435,647
J Digital 6 LLC1,807,234$67.2M39.7%New
Blair William & Co/il1,769,432$65.8M0.2%+1,103,651
Balyasny Asset Management L.P.1,682,924$62.5M0.1%New
American Century Companies Inc1,587,196$59.0M0.0%+365,711
State Street Corp1,432,894$53.2M0.0%+720,565
Jpmorgan Chase & Co1,427,881$52.7M0.0%+189,875
Geode Capital Management, LLC1,395,680$51.9M0.0%+615,898
Adage Capital Partners Gp, L.l.c.1,143,920$42.5M0.1%−103,079
Healthcare Of Ontario Pension Plan Trust Fund1,039,449$38.6M0.1%+799,449
Morgan Stanley950,593$35.3M0.0%−196,363
Allspring Global Investments Holdings, LLC857,682$33.5M0.1%−254,579
Two Sigma Investments, LP888,109$33.0M0.0%−5,609
Bank Of America Corp /de/856,980$31.8M0.0%−43,902
Alyeska Investment Group, L.P.848,750$31.5M0.1%−598,704
Franklin Resources Inc784,799$29.2M0.0%+216,625
Walleye Capital LLC728,034$27.1M0.1%+689,512
Westfield Capital Management Co LP700,741$26.0M0.1%New
NewEdge Advisors, LLC681,610$25.3M0.1%+642,585
Nuveen, LLC668,115$24.8M0.0%+436,207

13F reports cover disclosed long positions in U.S. stocks only.

Members of Congress who traded it

1 trades disclosed by members of Congress. “Vs S&P since” is the stock’s change since the trade minus the S&P 500’s.

DateMemberTradeAmountVs S&P sinceFiling
Mar 20, 2026Gilbert Ray Cisneros, Jr.Democratic, HouseBuy$15,001 - $50,000−40.0%Report

Members report amounts as ranges, not exact figures. Returns are price-only (no dividends).

SEC filer profile

How Miami International Holdings, Inc. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARMIAMI INTERNATIONAL HOLDINGS, INC.2
  • CIK0001438472
  • Employer ID (EIN)26-148238513
  • Filer statusNon-accelerated filer not an emerging growth company; not a smaller reporting company; not a shell company13
  • Incorporated inDelaware13
  • Industry code (SIC)6211 Security Brokers, Dealers & Flotation Companies2
  • SEC reviewing officeOffice of Crypto Assets, Division of Corporation Finance2
  • Business address7 Roszel Road, Fifth Floor, Suite 1-A, Princeton, NJ 085402
  • Phone609-897-73002
  • Shares outstanding99,230,898 as of Jul 31, 202612
  • Public float$0 as of Jun 30, 20259
  • AuditorKPMG LLP, New York, New York PCAOB ID 185; no auditor attestation of internal control over financial reporting13
  • On EDGAR sinceJun 23, 20082
  • Filings303 in all: 4 (148), 144 (32), 3 (26), 8-K (20), DRS/A (13), DRSLTR (11), UPLOAD (11), D (6)2
    All 28 form types

    SCHEDULE 13D/A (5), 10-Q (3), 4/A (3), 424B4 (2), CORRESP (2), DRS (2), EFFECT (2), S-1 (2), S-8 (2), SCHEDULE 13D (2), SCHEDULE 13G (2), 10-K (1), 8-A12B (1), ARS (1), CERT (1), DEF 14A (1), DEFA14A (1), POS AM (1), REGDEX (1), S-1/A (1)

  • Latest filingsAnnual report (10-K) Mar 6, 2026
    Quarterly report (10-Q) Aug 7, 2026
    Proxy statement (DEF 14A) Apr 27, 2026
    Latest 8-K (8-K) Aug 5, 2026

Securities registered for trading

ClassSymbolExchange
Common stock, $0.001 par value per shareMIAXNew York Stock Exchange

From the cover page of the 10-K filed Mar 6, 2026 (Section 12(b) of the Exchange Act).13

Risk factors and legal proceedings

The risks Miami International Holdings, Inc. names in Item 1A of its 10-K filed Mar 6, 2026: 69 risks under these headings, as written.13

  • Risks Related to Our Business
  • Risks Related to Owning a Clearing House
  • Risks Related to Owning an FCM
  • Risks Related to Our Growth Strategy
  • Risks Related to Our Technology
  • Risks Related to Our Financial Position
  • Risks Related to Legal and Regulatory Matters
  • Risks Related to Intellectual Property
  • Risks Related to Our Common Stock
  • General Risk Factors
  • A significant portion of our operating revenues is generated by our transaction and clearing-based business. If the amount of trading volume on our markets or clearing volume decreases, or the product mix shifts to lower revenue products, our revenues less cost of revenues from transaction and clearing fees will most likely decrease.
  • Global economic, political and financial market events or conditions may negatively impact our business.
The other 67 risks
  • We may face risks related to supply chain interruptions that result from AI companies working on the increased adoption, application and development of AI globally, which could have a material adverse effect on our business, operating results and financial condition.
  • Global trade policies, including the assessment of tariffs and other impositions on imported goods, may have a material adverse impact on our business.
  • Our failure to maintain order flow from order flow providers could negatively affect our results of operations.
  • Revenues from our market data fees, access fees and other non-transaction fees on our MIAX Exchanges may be reduced due to declines in our market share, trading volumes or regulatory changes.
  • We face intense competition. If we are unable to successfully compete, our business, financial condition and operating results may be materially adversely affected.
  • Our business may be adversely affected by price competition.
  • Competition from other venues with respect to our proprietary products could negatively impact our revenues.
  • If one or more of the index providers from which we have licenses or service providers with respect to proprietary products fail to maintain the quality and integrity of their indexes or fail to perform under our agreements with them, or if customer preferences change, or if we fail to maintain the quality and integrity of our proprietary indexes or fail to perform under our license or service provider agreements, revenues we generate from trading in these proprietary products or the calculation and dissemination of index values may suffer.
  • We are dependent on the members of our senior management team and other key personnel.
  • We are dependent on highly skilled employees with experience in our industry and a failure to attract and retain highly skilled employees could adversely affect our business, financial condition and our future growth.
  • Financial or other problems experienced by third parties could have an adverse effect on our business.
  • Our cost structure is largely fixed. If our revenues decline and we are unable to reduce our costs, our profitability will be adversely affected.
  • We are exposed to risks related to defaults by clearing members and liquidity risks.
  • The MIAX Futures clearing house may incur large credit exposures on final settlement days.
  • Settlement bank failures could pose both credit risks and liquidity risks to the MIAX Futures clearing house.
  • If a number of clearing members on MIAX Futures substantially reduce their open interest, default or withdraw as clearing members, the concentration of risks within the MIAX Futures clearing house will be spread among a smaller pool of clearing members, which would make it more difficult to absorb and manage risk in the event of another clearing member’s default.
  • Dorman Trading is subject to margin funding requirements on short notice.
  • Dorman Trading is exposed to counterparty credit risk whereby the failure by persons with whom it does business to meet their financial obligations could adversely affect the business, financial condition and results of operations of Dorman Trading.
  • Dorman Trading is subject to risk of default by financial institutions that hold its funds and its customers’ funds.
  • Dorman Trading relies on relationships with introducing brokers for obtaining some of its clients and its business could be harmed by failure to maintain relationships with these introducing brokers and Dorman Trading’s business or reputation could be harmed by such introducing broker misconduct or errors.
  • Dorman Trading’s risk management policies and procedures may leave it exposed to unidentified or unanticipated risks, which could harm its business.
  • We may not be successful in offering new services or product offerings, including the Bloomberg Products or other proprietary products or the technologies to support these products.
  • Our failure to manage the growth of our business could harm us.
  • We may fail to realize the anticipated cost savings, growth opportunities, synergies and other benefits anticipated from mergers and acquisitions or strategic alliance transactions.
  • Risks Related to our Technology
  • We may not be able to keep up with rapid technological changes affecting our industry.
  • If we experience significant or recurring systems failures or capacity constraints, our reputation may be harmed and we may experience a loss of business.
  • Our continued growth may require significant investments in technology. If we are unable to increase the capacity and capabilities of our systems, or implement the financial futures trading system at MIAX Futures on a timely basis, our business could be materially adversely affected.
  • The technology upon which we rely, including technology provided by third parties, may be vulnerable to security risks, cybersecurity risks, operational disruptions, and other risks and events that could harm our business.
  • Our role in the global financial system positions us at a greater risk for cyberattacks, cyberterrorism and other cybersecurity risks.
  • We depend on third-party providers for key components and services that are important to our business. An interruption or cessation of such components or services by any third party could have a material adverse effect on our business.
  • Our use of open source software code may subject our software to general release or require us to re-engineer our software, which could harm our business.
  • Our products, platforms, and internal systems rely on software that is highly technical, and if these systems contain errors, bugs or vulnerabilities, or if we are unsuccessful in addressing or mitigating technical limitations or vulnerabilities in our systems, our business could be adversely affected.
  • If we determine to use AI in any of our products, it may be unsuccessful and may give rise to various risks, which could adversely affect our business, reputation or operating results.
  • We may not be able to accurately predict our future capital needs, and we may not be able to obtain future financing to fund our operations on favorable terms or at all.
  • We have issued warrants exercisable for our securities, which if exercised, would increase the number of shares eligible for future resale in the public market and result in dilution to our stockholders.
  • We may be required to recognize impairments of our goodwill, other intangible assets or investments.
  • Pyth tokens are based on a highly volatile asset, and fluctuations in the price of Pyth tokens have in the past affected and may affect our financial results in the future.
  • The MIAX Exchanges are subject to comprehensive regulation by the SEC.
  • MIAX Futures is subject to comprehensive regulation by the CFTC.
  • Dorman Trading is subject to comprehensive regulation by the CFTC.
  • Regulatory action adversely affecting proprietary products exclusively licensed by us may negatively impact our revenues derived from those products.
  • Our ability to implement or amend rules or regulatory approval orders could be limited or delayed because of regulatory oversight, review or approval or a government shutdown, which could negatively affect our ability to implement needed changes or expand our products or services.
  • We may be subject to censures, fines and other legal proceedings if we fail to comply with legal and regulatory obligations.
  • There may be regulatory hurdles to launching new products and if we fail to obtain any required regulatory approvals, such failure may result in delays or restrictions on our ability to benefit fully from these offerings.
  • Changes to the legislative or regulatory environment may impose new or unanticipated burdens on one or more of our exchanges or the MIAX Futures clearing house, which could have a material adverse effect on our business, financial condition and operating results.
  • Changes in the tax laws and regulations affecting us, our products, offerings and our market participants could have a material adverse effect on our business.
  • Our ability to use certain net operating loss carryforwards and certain other tax attributes may be limited if we undergo an “ownership change” for U.S. federal income tax purposes.
  • Our exchanges have self-regulatory obligations that may create conflicts of interest.
  • We are subject to laws, rules, regulations, policies, industry standards and contractual obligations regarding data privacy and security. Many of these laws and regulations are subject to change and reinterpretation and could result in claims, changes to our business practices, monetary penalties, increased cost of operations, or other harm to our business.
  • Our compliance with data privacy and data protection laws may result in greater costs for us.
  • If our risk management methods are not effective, our business, reputation and financial results may be adversely affected.
  • We could be harmed by misconduct or errors that are difficult to detect and deter.
  • We are subject to litigation risks, regulatory compliance risks and associated enforcement risks, and other liabilities.
  • We and our licensors may not be able to protect, maintain, defend, or enforce our respective intellectual property rights. This could adversely affect our business, financial condition and results of operations.
  • We may not be able to obtain, maintain, protect, defend and enforce our patents, thereby harming our competitive position.
  • We may not be able to obtain, maintain, protect and enforce our trademarks and trade names, or build name recognition in our markets of interest, thereby harming our competitive position.
  • If we fail to comply with our obligations under license or technology agreements with third parties or are unable to license rights to use technologies on reasonable terms, we may be required to pay damages and could potentially lose license rights that are critical to our business.
  • The failure of third parties with which we have material agreements to meet their contractual and other obligations could adversely affect our business.
  • Any infringement by us on intellectual property rights of others could have a material adverse effect on our business.
  • Future sales and issuances of our common stock or rights to purchase common stock, including pursuant to our equity incentive plans, could result in additional dilution of the percentage ownership of our stockholders and could cause the price of our common stock to decline.
  • If a substantial number of shares become available for sale and are sold in a short period of time, the market price of our common stock could decline.
  • An active, liquid trading market for our common stock may not be maintained.
  • If financial analysts issue inaccurate or unfavorable research regarding, or do not or cease to cover, our common stock, our stock price and trading volume could decline.
  • The market price of our common stock is subject to fluctuations and may not reflect our long-term value at any given time, and we may be subject to securities litigation as a result.
  • Certain members of our exchanges are also stockholders of MIH and may have conflicts of interest with non-member stockholders.
  • Our amended and restated certificate of incorporation contains provisions that set ownership and voting limitations and a right to redeem shares transferred or owned in violation of these provisions, and there are also certain other regulatory limitations on the ownership and transfer of our capital stock.
  • Certain provisions in our amended and restated certificate of incorporation and amended and restated by-laws contain provisions that may make the acquisition of our Company more difficult.

Legal proceedings

We incorporate herein by reference the discussion set forth in Item 8 - “Note 16 - Commitments and Contingencies - Claims and Litigation” of the consolidated financials statements included herein.

The opening of Item 3, Legal Proceedings.13

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