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MPLX

MPLX Lp

Sector: energyOil & Gas MidstreamNYSEMarket Cap: $59.18B

MPLX LP is a large-cap energy infrastructure partnership with no direct federal contracts, lobbying spend, or political trading activity, but faces low-impact legislative exposure from eight energy-sector bills.

Govt Dependence
5/100
Regulatory Density
75/100
Lobbying Intensity
0/100
Political Signal
NEUTRAL

BusinessWhat MPLX does

MPLX LP operates a portfolio of midstream energy assets, including pipelines, storage terminals, and logistics systems, primarily for the transportation and storage of crude oil, refined products, and natural gas. Its revenue is derived from fee-based contracts with producers and end-users, providing stable cash flows tied to commodity volumes rather than direct prices.

12 months past · 3 months futureMPLX activity timeline

$61$54$46 JunJulAugSepOctNovDecJan '26FebMarAprMayJunJulAug ↓ PAST — recorded activity ↑ FUTURE — scheduled markups · pending votes TODAY · May 18 $59.17 hi $47.80 lo $56.61 CONGRESS 30 INSIDERS 0 13F FUNDS 20 BILLS 39 Appaloosa Management · OPENED $33M · 2025-12-31Appaloosa Management · OPENED $30M · 2025-06-30Citadel Advisors · OPENED $28M · 2025-12-31Appaloosa Management · OPENED $27M · 2025-09-30Citadel Advisors · OPENED $24M · 2025-09-30Citadel Advisors · OPENED $23M · 2025-06-30 S.1020 · enacted · 2026-05-11HR.2504 · markup · 2026-03-26S.881 · committee · 2025-09-10 MARKUP · House Foreign Affairs Subcommittee on Europe · 2026-05-19MARKUP · House Foreign Affairs Oversight and Intelligence Subcommitte · 2026-05-19MARKUP · House Foreign Affairs East Asia and Pacific Subcommittee · 2026-05-19MARKUP · House Science, Space, and Technology · 2026-05-20MARKUP · Senate Foreign Relations · 2026-05-20MARKUP · Senate Environment and Public Works Subcommittee on Clean Ai · 2026-05-20MARKUP · House Foreign Affairs · 2026-05-20MARKUP · · 2026-05-20MARKUP · House Energy and Commerce Subcommittee on Oversight and Inve · 2026-05-20MARKUP · House Energy and Commerce Subcommittee on Health · 2026-05-20MARKUP · House Foreign Affairs Subcommittee on Western Hemisphere · 2026-05-20MARKUP · House Natural Resources Subcommittee on Federal Lands · 2026-05-21MARKUP · House Science, Space, and Technology Subcommittee on Environ · 2026-05-21MARKUP · House Natural Resources Subcommittee on Indian and Insular A · 2026-05-21
Congress
buy sell
Insider · Form 4
open-market buy
Hedge fund · 13F
opened + added − trimmed closed holds
Bills
past action (this ticker) upcoming markup (sector) carveout (this ticker)
240 trading days · 0 congressional trades shown · 0 insider buys · 6 13F filings · 3 past bill actions · 14 upcoming markups

Lifetime Government AwardsMPLX federal contracts

MPLX doesn't hold direct federal contracts.

Verified via USASpending.gov: $0 reported in direct prime-contract awards. Companies in this position typically sell federal services indirectly through prime contractors and integrators (e.g., Lockheed Martin, Booz Allen, Microsoft Azure) or through commercial channels that don't appear in USASpending data.

Smart Money · 13F HoldingsHedge funds holding MPLX

$472.5M
Total MPLX held by tracked 13F funds
20
Funds with MPLX positions
+20
Funds opened this quarter
Citadel Advisors $40M opened 2025-03-31
Citadel Advisors $38M opened 2024-03-31
Appaloosa Management $33M opened 2025-12-31
Citadel Advisors $33M opened 2024-12-31
Citadel Advisors $31M opened 2024-06-30
Appaloosa Management $31M opened 2025-03-31
Appaloosa Management $30M opened 2025-06-30
Citadel Advisors $28M opened 2025-12-31
12 more 13F positions tracked · quarterly delta charts available in member dashboard

Congressional TradesWho in Congress is trading MPLX

2021-12-21 (unknown) Sale $500,001 - $1,000,000
2021-12-21 (unknown) sale $500,001 - $1,000,000
2021-11-08 (unknown) Purchase $500,001 - $1,000,000
2021-11-08 (unknown) purchase $500,001 - $1,000,000
2021-05-13 (unknown) sale $500,001 - $1,000,000
2021-05-13 (unknown) Sale $500,001 - $1,000,000
2021-04-14 (unknown) purchase $100,001 - $250,000
2021-04-14 (unknown) Purchase $100,001 - $250,000
2021-02-12 (unknown) Purchase $100,001 - $250,000
2021-01-19 (unknown) purchase $100,001 - $250,000
2021-02-12 (unknown) purchase $100,001 - $250,000
2021-01-19 (unknown) Purchase $100,001 - $250,000
30+ trades on file · most recent 2022-01-03

Corporate Insiders · Form 4What CEOs, CFOs, and directors are doing with their own stock

No Form 4 activity recorded in the last 180 days.

Bills Affecting MPLXLive legislation impacting this stock

Political ProfileWhere MPLX sits in Washington

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STRUCTURAL: High regulatory density score (75) due to sector, but no direct lobbying spend (`get_political_influence.lobbying.total_income`: $0) or aligned committee champions. EVIDENTIARY: No corporate insider buys in 180 days (`get_corporate_insider_signal.total_buys`: 0), no congressional traders (`Top congressional traders` array empty), and no federal contracts (`get_government_precedent.federal_contracts_summary`: null). Net: Sector exposure without direct political engagement.

Regulatory ExposureThreats & opportunities

Regulatory threats

  • General energy sector regulatory risk from pending legislation
    Multiple (Congress)
    "Eight bills in `Recent bill_impacts` with non-zero impact_ratios affecting the energy sector."

Regulatory opportunities

  • No specific regulatory opportunities flagged.
Member intelligence layer

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Frequently AskedAbout MPLX & political exposure

Does MPLX Lp (MPLX) hold federal contracts?
No direct prime contracts reported in USASpending.gov for MPLX Lp. Companies in the semiconductor and AI hardware sectors often sell to the federal government via prime contractors and cloud resellers (Microsoft Azure, AWS, Lockheed Martin systems integration) rather than as direct primes.
Has Congress traded MPLX stock?
122 congressional trades by 7 unique members of Congress, most recently on 2021-12-21. See the Congressional Trading panel for politician-by-politician breakdown.
What is MPLX political risk profile?
Government dependence: 5/100. Lobbying intensity: 0/100. Political signal: neutral. Donor party split: R 0% / D 0%.
How does GovGreed track MPLX political activity?
GovGreed integrates STOCK Act congressional trade disclosures, FEC contributions, OGE executive-branch disclosures, USASpending federal contracts, Senate LDA lobbying filings, and SEC Form 4 corporate insider trades into a single queryable graph. MPLX data is updated daily from these official federal sources.