Sign in

MMP on NYSE

Magellan Midstream Partners

American oil pipeline corporation

Magellan Midstream Partners, L.P. is an American energy pipeline operator based in Tulsa, Oklahoma that primarily transports, stores and distributes refined petroleum products and crude oil. It owns ammonia and petroleum pipelines in the Mid-Continent oil province. According to the United States Department of State, it owns "83 petroleum products terminals, more than 9,000 miles of refined products pipeline, 800 miles of crude oil pipeline and a 1,100-mile ammonia pipeline system."2 Its shares trade on NYSE under the symbol MMP.1 Wikipedia text CC BY-SA 4.0

Price unavailable

Last updated Oct 21, 2026.

Overview

Compare with another stock.

  • TickerMMP on NYSE1
  • Industrypetroleum industry1
  • HeadquartersTulsa1
  • Legal formpublic company1

See how the biggest companies compare on our leaderboards

Magellan Midstream Partners, L.P. is an American energy pipeline operator based in Tulsa, Oklahoma that primarily transports, stores and distributes refined petroleum products and crude oil.2

Corporate structure

Magellan Midstream Partners is part of a group headed by ONEOK. 198 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • ONEOK Tulsa, Oklahoma, United States
    • Magellan Midstream Partners Tulsa
    • Acacia Natural Gas, L.L.C. Subsidiary · Delaware, United States
    • Ascension Pipeline Company, LLC (50%) Subsidiary · Delaware, United States
    • Bighorn Gas Gathering, L.L.C. (49.0%) Subsidiary · Delaware, United States
    • Bison Prairie Assurance, L.L.C. Subsidiary · Oklahoma, United States
    • Black Mesa Holdings, Inc. Subsidiary · Delaware, United States
    • Black Mesa Pipeline Operations, L.L.C. Subsidiary · Delaware, United States
    • Black Mesa Pipeline, Inc. Subsidiary · Delaware, United States
    • Black Mesa Technologies, Inc. Subsidiary · Oklahoma, United States
    • Border Midwestern Company Subsidiary · Delaware, United States
    • Bridgeline Holdings, L.P. Subsidiary · Delaware, United States
    • BridgeTex Pipeline Company, LLC (60%) Subsidiary · Delaware, United States
    • Cedar Cove Midstream LLC (30%) Subsidiary · Delaware, United States
    • Chisholm Pipeline Company (50%) Subsidiary · Delaware, United States
    • Chisholm Pipeline Holdings, L.L.C. Subsidiary · Delaware, United States
    • Cowtown Gas Processing Partners, L.P. Subsidiary · Texas, United States
    • Cowtown Pipeline Partners L.P. Subsidiary · Texas, United States
    • Crestone Energy Ventures, L.L.C. Subsidiary · Delaware, United States
    • Crestone Gathering Services, L.L.C. Subsidiary · Delaware, United States
    • Crestone Powder River, L.L.C. Subsidiary · Delaware, United States
    • Crestone Wind River, L.L.C. Subsidiary · Delaware, United States
    • Double Eagle Pipeline LLC (50%) Subsidiary · Delaware, United States
    • Eiger Express Holdings, LLC (25.5%) Subsidiary · Delaware, United States
    • Elk Merger Sub II, L.L.C. Subsidiary · Delaware, United States
    • EnLink Barnett Gas Services GP, LLC Subsidiary · Delaware, United States
    • and 172 more

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. Each entity in the chart links to its source.

The story

The company went public through an initial public offering in February 2006 with a listing on the New York Stock Exchange. Company executives, including its CEO Michael Mears, rang the NYSE closing bell on February 8, 2016.

In May 2023, midstream energy services provider Oneok agreed to acquire Magellan in a cash-and-stock transaction valued at US$18.8 billion, including debt. The transaction completed in September 2023 and Magellan became a fully owned subsidiary of Oneok.

From Wikipedia’s article on Magellan Midstream Partners, shared under CC BY-SA 4.0.3

Members of Congress who traded it

27 trades disclosed by members of Congress, the latest 25. “Vs S&P since” is the stock’s change since the trade minus the S&P 500’s.

DateMemberTradeAmountVs S&P sinceFiling
Apr 7, 2220Virginia FoxxRepublican, HouseBuy$1,001 - $15,000Report
Sep 26, 2023Kevin HernRepublican, HouseExchange$500,001 - $1,000,000Report
Sep 26, 2023Kevin HernRepublican, HouseExchange$50,001 - $100,000Report
Sep 25, 2023Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Aug 14, 2023Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
May 15, 2023Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Feb 14, 2023Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Nov 14, 2022Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Aug 12, 2022Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Jul 5, 2022Virginia FoxxRepublican, HouseSale$50,001 - $100,000Report
Jun 15, 2022Virginia FoxxRepublican, HouseBuy$1,001 - $15,000Report
May 16, 2022Virginia FoxxRepublican, HouseBuy$1,001 - $15,000Report
May 13, 2022Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Apr 28, 2022Virginia FoxxRepublican, HouseBuy$1,001 - $15,000Report
Apr 22, 2022Virginia FoxxRepublican, HouseBuy$15,001 - $50,000Report
Apr 21, 2022Virginia FoxxRepublican, HouseBuy$15,001 - $50,000Report
Feb 14, 2022Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Nov 12, 2021Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Aug 13, 2021Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
May 14, 2021Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Feb 12, 2021Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Nov 13, 2020Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Aug 14, 2020Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
May 15, 2020Kevin HernRepublican, HouseBuy$1,001 - $15,000Report
Apr 15, 2020David A Perdue , Jr, SenateSale$15,001 - $50,000Report

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

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3