HQ on Nasdaq
Horizon Quantum Holdings Ltd.
Horizon Quantum Holdings Ltd. is a computer programming services company, listed on Nasdaq (HQ).1
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Last updated Oct 21, 2026.
Overview
- TickerHQ on Nasdaq1
- IndustryServices-Computer Programming Services1
- HeadquartersU01
- Incorporated inSingapore2
- Business addressAlice@Mediaopolis, 29 Media Circle #05-22, Singapore, 1385652
- Filer category, Emerging growth company2
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Overview ” and Item 10C. “ Material Contracts ” and is incorporated herein by reference.3 From its latest annual report
Financials
From the company’s reports to the SEC. Every number links to the filing it came from.
Financial statements
No quarterly figures reported.
Every line of the balance sheet as filed: the last 1 fiscal year (annual) or 1 quarters (quarterly), latest first.4
| Period ending | 2025-12-31 |
|---|---|
| Deposits | 20.0K SGD |
| Amounts due from a shareholder | 1 SGD |
| Total current assets | 20.0K SGD |
| TOTAL ASSETS | 20.0K SGD |
| Total current liabilities | 127.9K SGD |
| TOTAL LIABILITIES | 127.9K SGD |
| Ordinary share, 1 authorized; 1 issued and outstanding as of December 31, 2025 | 1 SGD |
| Accumulated deficit | -107.9K SGD |
| TOTAL STOCKHOLDERS' DEFICIT | -107.8K SGD |
| TOTAL LIABILITIES AND STOCKHOLDERS' DEFICIT | 20.0K SGD |
| Ordinary share, authorized (in Shares) | 1 shares |
| Ordinary share, issued (in Shares) | 1 shares |
| Ordinary share, outstanding (in Shares) | 1 shares |
| Period ending | 2025-12-31 |
|---|---|
| Deposits | 20.0K SGD |
| Amounts due from a shareholder | 1 SGD |
| Total current assets | 20.0K SGD |
| TOTAL ASSETS | 20.0K SGD |
| Total current liabilities | 127.9K SGD |
| TOTAL LIABILITIES | 127.9K SGD |
| Ordinary share, 1 authorized; 1 issued and outstanding as of December 31, 2025 | 1 SGD |
| Accumulated deficit | -107.9K SGD |
| TOTAL STOCKHOLDERS' DEFICIT | -107.8K SGD |
| TOTAL LIABILITIES AND STOCKHOLDERS' DEFICIT | 20.0K SGD |
| Ordinary share, authorized (in Shares) | 1 shares |
| Ordinary share, issued (in Shares) | 1 shares |
| Ordinary share, outstanding (in Shares) | 1 shares |
Corporate structure
Horizon Quantum Holdings Ltd. sits at the top of its group. 1 entity on record. Switch between the flow chart and the network, and select any entity to see its details.
Major holders of Horizon Quantum Holdings Ltd.
- Tencent Holdings Ltd Filed SCHEDULE 13G/A on Horizon Quantum Holdings Ltd., latest Aug 14, 2026 (2 filings since Mar 25, 2026)
- Peak XV Partners Seed Investment Filed SCHEDULE 13D on Horizon Quantum Holdings Ltd., latest Jul 9, 2026
- ICS OPPORTUNITIES, LTD. Filed SCHEDULE 13G on Horizon Quantum Holdings Ltd., latest Jun 25, 2026
- IONQ Filed SCHEDULE 13D on Horizon Quantum Holdings Ltd., latest Apr 1, 2026
- Joseph Francis Fitzsimons Filed SCHEDULE 13D on Horizon Quantum Holdings Ltd., latest Mar 31, 2026
- Harry L. You Filed SCHEDULE 13D on Horizon Quantum Holdings Ltd., latest Mar 20, 2026
- Horizon Quantum Holdings Ltd. U0
Built from major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
Leadership
Who has led Horizon Quantum Holdings Ltd., and when. Pick a name to see everywhere that person has worked.
Chief executive
- Chief executive officerJoseph Francis Fitzsimons Mar 19, 2026 to now5
Board members and other officers (9)
- Chief Science OfficerSi-Hui Tan Mar 19, 2026 to now6
- Chief Product OfficerQian Yi Amanda Chew Aug 10, 2026 to now7
- CL and COCatherine Michele Fitzsimons Sep 15, 2026 to now8
- Board memberDanielle Lambert Mar 19, 2026 to now9
- Board memberJoseph Francis Fitzsimons Mar 19, 2026 to now5
- Board memberPeter Henry Oey Mar 19, 2026 to now10
- Board memberHarry L. You Mar 20, 2026 to now11
- Board memberJill Ann Turner Apr 2, 2026 to now12
- General counselCatherine Michele Fitzsimons May 11, 2026 to now13
Former names
Timeline
- Mar 19, 2026New chief executive Joseph Francis Fitzsimons becomes CEO5
Calendar
Coming up
- Nov 13, 2026Reports results for the quarter ending Sep/202614
Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). The full markets calendar
Filings
69 filings to the SEC since October 2021: 2 annual reports, 19 insider forms, 7 large holders, 41 other. The latest 20:
- Sep 16, 20264 EDGAR
- Sep 15, 20264 EDGAR
- Sep 15, 20264 EDGAR
- Sep 15, 20264 EDGAR
- Sep 15, 20264 EDGAR
- Aug 14, 2026SCHEDULE 13G/A EDGAR
- Aug 10, 20263 EDGAR
- Aug 4, 20266-K REPORT OF FOREIGN PRIVATE ISSUER EDGAR
- Aug 4, 20266-K REPORT OF FOREIGN PRIVATE ISSUER EDGAR
- Aug 3, 20266-K REPORT OF FOREIGN PRIVATE ISSUER EDGAR
- Jul 9, 2026SCHEDULE 13D EDGAR
- Jun 25, 2026SCHEDULE 13G EDGAR
- May 28, 2026S-8 REGISTRATION STATEMENT EDGAR
- May 11, 20263 EDGAR
- May 5, 20266-K REPORT OF FOREIGN PRIVATE ISSUER EDGAR
- May 4, 20266-K REPORT OF FOREIGN PRIVATE ISSUER EDGAR
- Apr 24, 2026424B3 PROSPECTUS EDGAR
- Apr 23, 2026EFFECT EDGAR
- Apr 21, 2026CORRESP EDGAR
- Apr 21, 2026AW AMENDMENT WITHDRAWAL EDGAR
The 69 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
1 open-market trades by officers, directors and large owners since October 2021: 1 buys and 0 sales. Grants, option exercises and gifts are left out.
| Date | Who | Trade | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| Mar 19, 2026 | Lambert DanielleDirector | Buy | 84,602 | $11.82 | $1.0M | Form 4 |
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.
- Tencent Holdings LtdSCHEDULE 13G/A, 2 filings Mar 25, 2026 to Aug 14, 202615
- Peak XV Partners Seed InvestmentSCHEDULE 13D, 1 filing Jul 9, 202616
- ICS OPPORTUNITIES, LTD.SCHEDULE 13G, 1 filing Jun 25, 202617
- IONQSCHEDULE 13D, 1 filing Apr 1, 202618
- Joseph Francis FitzsimonsSCHEDULE 13D, 1 filing Mar 31, 202619
- Harry L. YouSCHEDULE 13D, 1 filing Mar 20, 202620
SEC filer profile
How Horizon Quantum Holdings Ltd. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.
- Name on EDGARHorizon Quantum Holdings Ltd.1
- CIK0002088256
- Filer statusNon-accelerated filer an emerging growth company; not a shell company3
- Incorporated inSingapore3
- Fiscal year endsDecember 311
- Industry code (SIC)7371 Services-Computer Programming Services1
- SEC reviewing officeOffice of Technology, Division of Corporation Finance1
- Business addressAlice@Mediaopolis, 29 Media Circle #05-22, Singapore, 138565, Singapore1
- Phone65810150241
- Shares outstanding1 shares as of Dec 31, 20253
- AuditorPKF Littlejohn LLP, London, England PCAOB ID 2814; no auditor attestation of internal control over financial reporting3
- On EDGAR sinceOct 14, 20251
- Filings69 in all: 425 (17), 4 (10), 3 (9), 6-K (8), SCHEDULE 13D (4), 424B3 (3), 20-F (2), EFFECT (2)1
All 21 form types
SCHEDULE 13G (2), 8-A12B (1), AW (1), CERT (1), CORRESP (1), DRS (1), F-1 (1), F-4 (1), F-4/A (1), POS AM (1), S-8 (1), SCHEDULE 13G/A (1), UPLOAD (1)
- Latest filingsAnnual report (20-F) Apr 14, 2026
Securities registered for trading
| Class | Symbol | Exchange |
|---|---|---|
| Class A ordinary shares | HQ | Nasdaq |
| Warrants | HQWWW | Nasdaq |
From the cover page of the 20-F filed Apr 14, 2026 (Section 12(b) of the Exchange Act).3
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2
- 3
- 4
- 5
- 6SEC EDGARSi-Hui Tan, Chief Science Officer
- 7
- 8
- 9SEC EDGARDanielle Lambert, Board member
- 10SEC EDGARPeter Henry Oey, Board member
- 11SEC EDGARHarry L. You, Board member
- 12SEC EDGARJill Ann Turner, Board member
- 13
- 14NasdaqNasdaq calendar
- 15
- 16
- 17
- 18
- 19
- 20