Stocks › MPLX

MPLX LP

MPLX·NYSE·United States United States·USD
$57.77
+0.40 (+0.70%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
MPLX
MPLX LP · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
MPLXS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

Congressional Trades

Recent trades of MPLX by members of U.S. Congress · 61 on record
All congressional trades →
PoliticianStockTypeFiledTraded
Mark Dr GreenMark Dr GreenHouse · R · TN MPLXMPLX LP · Stock Sale
$500,001 - $1,000,000
Jan 3, 2022 Dec 21, 2021 Filing ↗
Mark Dr GreenMark Dr GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$500,001 - $1,000,000
Nov 18, 2021 Nov 8, 2021 Filing ↗
Mark Dr GreenMark Dr GreenHouse · R · TN MPLXMPLX LP · Stock Sale
$500,001 - $1,000,000
May 17, 2021 May 13, 2021 Filing ↗
David A Perdue , JrDavid A Perdue , JrSenate · R · GA MPLXMPLX LP · Stock Sale
$1,001 - $15,000
May 2, 2021 Feb 19, 2020 Filing ↗
David A Perdue , JrDavid A Perdue , JrSenate · R · GA MPLXMPLX LP · Stock Sale
$15,001 - $50,000
May 2, 2021 Apr 15, 2020 Filing ↗
Mark Dr GreenMark Dr GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$100,001 - $250,000
Apr 28, 2021 Apr 14, 2021 Filing ↗
Mark Dr GreenMark Dr GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$50,001 - $100,000
Mar 5, 2021 Feb 19, 2021 Filing ↗
Mark Dr GreenMark Dr GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$50,001 - $100,000
Mar 5, 2021 Mar 1, 2021 Filing ↗
Mark Dr GreenMark Dr GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$100,001 - $250,000
Mar 5, 2021 Jan 19, 2021 Filing ↗
Mark Dr GreenMark Dr GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$100,001 - $250,000
Mar 5, 2021 Feb 12, 2021 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Sale
$250,001 - $500,000
Nov 17, 2020 Nov 9, 2020 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$50,001 - $100,000
Oct 29, 2020 Oct 5, 2020 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$15,001 - $50,000
Oct 9, 2020 Sep 16, 2020 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$15,001 - $50,000
Sep 16, 2020 Aug 28, 2020 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Sale
$100,001 - $250,000
Aug 18, 2020 Aug 11, 2020 Filing ↗
Ro KhannaRo KhannaHouse · D · CA MPLXMPLX LP · Common Stock Sale
$1,001 - $15,000
Aug 17, 2020 Jul 21, 2020 Filing ↗
Ro KhannaRo KhannaHouse · D · CA MPLXMPLX LP · Common Stock Sale
$1,001 - $15,000
Aug 17, 2020 Jul 21, 2020 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$15,001 - $50,000
Aug 12, 2020 Aug 4, 2020 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$1,001 - $15,000
Aug 12, 2020 Aug 6, 2020 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$1,001 - $15,000
Aug 12, 2020 Aug 4, 2020 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$100,001 - $250,000
Jul 18, 2020 Jul 2, 2020 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$100,001 - $250,000
Jul 6, 2020 Jun 10, 2020 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$15,001 - $50,000
Jul 6, 2020 Jun 10, 2020 Filing ↗
Mark GreenMark GreenHouse · R · TN MPLXMPLX LP · Stock Purchase
$15,001 - $50,000
Jul 6, 2020 Jun 11, 2020 Filing ↗
David A Perdue , JrDavid A Perdue , JrSenate · R · GA MPLXMPLX LP · Stock Sale
$15,001 - $50,000
May 8, 2020 Apr 15, 2020 Filing ↗

Whale Activity

Position changes in MPLX reported for 2026-09-30 by 2 tracked institutional filers
No prior filing: 2
  • Increased0
  • New0
  • Held0
  • Decreased0
  • Closed0
  • No prior filing2
FilerSharesValueChange
Private Capital Advisors, Inc.260.4K$14.7M—
DOLIVER ADVISORS, LP51.5K$2.9M—

KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.

Insider Trading

Net shares bought (+) or sold (−) on the open market by MPLX insiders, by quarter · Form 4
-5,000-2,50002,5005,0002025 Q1: 4,0002025 Q12025 Q2: 02025 Q22025 Q3: 02025 Q32025 Q4: 02025 Q42026 Q1: 02026 Q12026 Q2: 02026 Q22026 Q3: 02026 Q32026 Q4: 02026 Q4

Recent Insider Transactions

1,263 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
Walker Ray N JRDirector Grant / award +78 $0.00 $0 May 15, 2026 Form 4 ↗
SURMA JOHN PDirector Grant / award +1,656 $0.00 $0 May 15, 2026 Form 4 ↗
STICE J MICHAELDirector Grant / award +1,098 $0.00 $0 May 15, 2026 Form 4 ↗
SEMPLE FRANK MDirector Grant / award +1,194 $0.00 $0 May 15, 2026 Form 4 ↗
Peiffer Garry L.Director Grant / award +1,304 $0.00 $0 May 15, 2026 Form 4 ↗
HELMS CHRISTOPHER ADirector Grant / award +1,415 $0.00 $0 May 15, 2026 Form 4 ↗
Breves Christine SDirector Grant / award +277 $0.00 $0 May 15, 2026 Form 4 ↗
Walker Ray N JRDirector Grant / award +2,247 $0.00 $0 Apr 30, 2026 Form 4 ↗
SURMA JOHN PDirector Grant / award +2,580 $0.00 $0 Apr 30, 2026 Form 4 ↗
STICE J MICHAELDirector Grant / award +2,580 $0.00 $0 Apr 30, 2026 Form 4 ↗
SEMPLE FRANK MDirector Grant / award +2,580 $0.00 $0 Apr 30, 2026 Form 4 ↗
Peiffer Garry L.Director Grant / award +2,247 $0.00 $0 Apr 30, 2026 Form 4 ↗
HELMS CHRISTOPHER ADirector Grant / award +2,247 $0.00 $0 Apr 30, 2026 Form 4 ↗
Breves Christine SDirector Grant / award +2,247 $0.00 $0 Apr 30, 2026 Form 4 ↗
Benson Molly RChief Legal Ofc & Corp Sec Tax withholding −998 $59.22 $59K Mar 2, 2026 Form 4 ↗
Benson Molly RChief Legal Ofc & Corp Sec Tax withholding −1,240 $59.22 $73K Mar 2, 2026 Form 4 ↗
Benson Molly RChief Legal Ofc & Corp Sec Tax withholding −614 $59.22 $36K Mar 2, 2026 Form 4 ↗
Lyon Shawn MSenior VP, Log. & Storage Tax withholding −798 $59.22 $47K Mar 2, 2026 Form 4 ↗
Lyon Shawn MSenior VP, Log. & Storage Tax withholding −1,033 $59.22 $61K Mar 2, 2026 Form 4 ↗
Lyon Shawn MSenior VP, Log. & Storage Tax withholding −920 $59.22 $54K Mar 2, 2026 Form 4 ↗

Fund Holders

Mutual funds and ETFs holding MPLX · SEC Form N-PORT
FundSharesValue% of fundAs of
Alerian MLP ETF
ALPS ETF TRUST
26.9M$1.47B12.09%May 31, 2026
Invesco SteelPath MLP Income Fund
AIM Investment Funds (Invesco Investment Funds)
11.3M$617.8M13.87%May 31, 2026
KAYNE ANDERSON ENERGY INFRASTRUCTURE FUND, INC
Kayne Anderson Energy Infrastructure Fund, Inc.
4.8M$263.8M9.93%May 31, 2026
Global X MLP ETF
GLOBAL X FUNDS
4.8M$261.5M12.44%May 31, 2026
Goldman Sachs MLP Energy Infrastructure Fund
GOLDMAN SACHS TRUST
3.8M$209.6M11.68%May 31, 2026
Tortoise Energy Infrastructure Total Return Fund
Tortoise Capital Series Trust
3.6M$194.9M5.17%May 31, 2026
First Trust North American Energy Infrastructure Fund
First Trust Exchange-Traded Fund IV
3.0M$176.0M4.26%Jul 31, 2026
Invesco SteelPath MLP Select 40 Fund
AIM Investment Funds (Invesco Investment Funds)
2.9M$159.6M6.84%May 31, 2026
Fidelity Dividend Growth Fund
Fidelity Securities Fund
2.6M$152.0M1.28%Jul 31, 2026
Global X MLP and Energy Infrastructure ETF
GLOBAL X FUNDS
2.7M$149.7M4.23%May 31, 2026

Mutual funds and ETFs whose N-PORT filings list MPLX's shares (CUSIP 55336V100), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.

Activist & Passive Stakes

Schedule 13D / 13G beneficial-ownership filings

No 13D/13G beneficial-ownership filings on record.

Corporate Lobbying

Estimated quarterly lobbying spending reported under the LDA, filings naming MPLX LP as client

No lobbying filings found naming MPLX LP as the client.

Government Contracts

Federal awards to MPLX LP · USAspending

No federal contract awards found for MPLX LP.

U.S. Patents

Recent USPTO applications naming MPLX LP

No USPTO patent applications found for MPLX LP.

Annual Financials

From MPLX's 10-K filings · XBRL

No annual XBRL figures on record for MPLX. KeyVex's fundamentals cover about 130 large companies so far.

Stock Splits

Every split and reverse split in the price history

No stock splits in MPLX's price history.

Material Events (8-K)

Corporate events filed with the SEC
  • 8-K · Items 8.01, 9.01Other eventsAug 24, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 9.01Results of operationsAug 4, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 9.01Results of operationsMay 5, 2026
    EDGAR ↗

About MPLX LP

From SEC EDGAR company records
Industry (SIC 4610)Pipe Lines (No Natural Gas)
SectorIndustrials
HeadquartersFINDLAY, OH