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Livermore
Livermore
ZHEN

MPLX LP

MPLX
Exchange
NYSE
Industry
Pipe Lines (No Natural Gas)
SEC CIK
0001552000

No open-market purchases or sales by MPLX LP insiders were filed in the last 90 days; 639 institutions reported holding it in 13F filings for Q2 2026, worth $11.1B in total; Appaloosa is the only superinvestor holding it.

13F holders, Q4 2025

Institutional positions in MPLX LP as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
633
+67 vs. Q3 2025
Shares held
178.3M
−31.5M (−15.0%) vs. Q3 2025
Total value
$9.52B
−$965.4M (−9.2%) vs. Q3 2025
New holders
99
230 more added
Sold out
32
134 more reduced

10 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MPLX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 633 institutions
Q1 2021: 306 institutionsQ2 2021: 301 institutionsQ3 2021: 311 institutionsQ4 2021: 341 institutionsQ1 2022: 350 institutionsQ2 2022: 340 institutionsQ3 2022: 342 institutionsQ4 2022: 359 institutionsQ1 2023: 381 institutionsQ2 2023: 370 institutionsQ3 2023: 398 institutionsQ4 2023: 444 institutionsQ1 2024: 480 institutionsQ2 2024: 491 institutionsQ3 2024: 502 institutionsQ4 2024: 535 institutionsQ1 2025: 570 institutionsQ2 2025: 575 institutionsQ3 2025: 576 institutionsQ4 2025: 633 institutionsQ1 2026: 646 institutionsQ2 2026: 639 institutions
Value heldQ4 2025: $9.52B
Q1 2021: $7.34BQ2 2021: $8.20BQ3 2021: $7.51BQ4 2021: $7.48BQ1 2022: $8.20BQ2 2022: $6.97BQ3 2022: $6.98BQ4 2022: $7.36BQ1 2023: $7.91BQ2 2023: $7.62BQ3 2023: $8.18BQ4 2023: $8.15BQ1 2024: $9.32BQ2 2024: $10.2BQ3 2024: $10.3BQ4 2024: $10.4BQ1 2025: $11.6BQ2 2025: $11.2BQ3 2025: $10.5BQ4 2025: $9.52BQ1 2026: $11.6BQ2 2026: $11.1B
Institutions holding MPLX and their total value by quarter
QuarterHoldersValue
Q2 2026639$11.1B
Q1 2026646$11.6B
Q4 2025633$9.52B
Q3 2025576$10.5B
Q2 2025575$11.2B
Q1 2025570$11.6B
Q4 2024535$10.4B
Q3 2024502$10.3B
Q2 2024491$10.2B
Q1 2024480$9.32B
Q4 2023444$8.15B
Q3 2023398$8.18B
Q2 2023370$7.62B
Q1 2023381$7.91B
Q4 2022359$7.36B
Q3 2022342$6.98B
Q2 2022340$6.97B
Q1 2022350$8.20B
Q4 2021341$7.48B
Q3 2021311$7.51B
Q2 2021301$8.20B
Q1 2021306$7.34B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q3 2025.

Institutions holding MPLX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Winebrenner Capital Management LLC5,948$317.5K0.21%+20+0.3%Added
Advisor Resource Council5,763$318.8K0.11%+5,763New
Prossimo Advisors, LLC5,994$319.9K2.06%00.0%Unchanged
Wellington Shields Capital Management, LLC6,000$320.2K0.05%00.0%Unchanged
Advus Financial Partners, LLC6,000$320.2K0.08%00.0%Unchanged
Wellington Grp LLC6,156$328.5K0.11%+6,156New
Bell Bank6,200$330.9K0.01%00.0%Unchanged
Resources Investment Advisors, LLC.6,232$332.6K0.00%00.0%Unchanged
Annex Advisory Services, LLC6,260$334.1K0.01%+6,260New
Vestcor Inc6,285$335.0K0.01%−6,283−50.0%Reduced
Vestmark Advisory Solutions, Inc.6,278$335.0K0.00%−1,002−13.8%Reduced
Mount Yale Investment Advisors, LLC6,278$335.0K0.02%−1,002−13.8%Reduced
Capital Advisory Group Advisory Services, LLC6,279$335.1K0.10%−494−7.3%Reduced
Redhawk Wealth Advisors, Inc.6,290$335.7K0.04%+1,185+23.2%Added
Severin Investments, LLC6,398$341.5K0.30%−534−7.7%Reduced
Lavaca Capital LLC6,400$341.6K0.06%00.0%Unchanged
Hilltop National Bank6,400$341.6K0.08%00.0%Unchanged
Aspen Grove Capital, LLC6,441$343.8K0.06%00.0%Unchanged
Gladstone Institutional Advisory LLC6,446$344.1K0.01%+377+6.2%Added
Glenview Trust Co6,500$346.9K0.01%00.0%Unchanged
Keudell/Morrison Wealth Management6,500$346.9K0.07%+6,500New
Principal Street Partners, LLC6,518$347.9K0.06%00.0%Unchanged
Titleist Asset Management, LLC6,554$349.8K0.03%+2,380+57.0%Added
Summit Trail Advisors, LLC6,600$352.2K0.01%+632+10.6%Added
Magnolia Capital Advisors LLC6,613$352.9K0.07%+6,613New
Vestia Personal Wealth Advisors6,420$357.1K0.18%−40−0.6%Reduced
Two Sigma Securities, LLC6,703$357.7K0.05%−175−2.5%Reduced
NewEdge Wealth, LLC6,737$359.6K0.00%00.0%Unchanged
ORBA Wealth Advisors, L.L.C.6,756$360.6K0.31%00.0%Unchanged
Peddock Capital Advisors, LLC6,825$364.3K0.08%+6,825New
Whittier Trust Co of Nevada Inc7,000$365.5K0.01%+7,000New
ORG Wealth Partners, LLC6,850$365.6K0.09%00.0%Unchanged
Dynamic Advisor Solutions LLC6,883$367.4K0.01%+164+2.4%Added
National Wealth Management Group, LLC6,895$368.0K0.13%+6,895New
Amplify Investments, LLC7,327$368.5K8.53%+1,293+21.4%Added
Intrua Financial, LLC7,070$377.3K0.04%+2,008+39.7%Added
Icon Wealth Advisors, LLC7,077$377.7K0.03%−206−2.8%Reduced
Harbour Investments, Inc.7,086$378.2K0.01%−134−1.9%Reduced
Formidable Asset Management, LLC7,580$378.6K0.06%−2,760−26.7%Reduced
Westco Advisory Services Inc7,145$381.3K0.23%+7,145New
Traynor Capital Management, Inc.7,269$387.9K0.02%−606−7.7%Reduced
Sigma Planning Corp7,274$388.2K0.01%−220−2.9%Reduced
American National Bank7,276$388.3K0.04%+5,096+233.8%Added
Arista Wealth Management, LLC7,306$389.9K0.05%00.0%Unchanged
Allegheny Financial Group LTD7,364$393.0K0.06%00.0%Unchanged
Lee Financial Co7,372$393.4K0.05%−9,307−55.8%Reduced
Capital Advisors Inc7,442$397.2K0.01%+3,000+67.5%Added
National Bank of Canada7,500$400.4K0.00%+1,000+15.4%Added
IFP Advisors, Inc7,542$402.5K0.01%+2,609+52.9%Added
Roman Butler Fullerton & Co7,249$402.8K0.11%+7,249New
First National Bank of Omaha7,589$407.1K0.01%+7,589New
Pine Valley Investments Ltd Liability Co7,686$410.2K0.02%+19+0.2%Added
Hilltop Holdings Inc.7,735$412.8K0.02%−60−0.8%Reduced
Benjamin Edwards Inc7,739$413.0K0.00%+250+3.3%Added
Advisor OS, LLC7,748$413.5K0.03%00.0%Unchanged
Belfer Management LLC7,849$418.9K7.34%+181+2.4%Added
International Assets Investment Management, LLC7,852$419.1K0.03%+984+14.3%Added
ORG Partners LLC7,826$419.4K0.07%−169−2.1%Reduced
Valeo Financial Advisors, LLC7,869$420.0K0.01%−80−1.0%Reduced
Maia Wealth LLC7,667$422.8K0.07%+152+2.0%Added
Signaturefd, LLC8,000$427.0K0.01%00.0%Unchanged
Matrix Private Capital Group LLC8,000$427.0K0.22%00.0%Unchanged
Quantum Financial Planning Services, Inc.8,000$427.0K0.15%00.0%Unchanged
MSH Capital Advisors LLC8,080$431.2K0.09%+8,080New
Fiduciary Financial Group, LLC8,085$431.5K0.06%+1,467+22.2%Added
Newman Dignan & Sheerar, Inc.8,100$432.3K0.09%00.0%Unchanged
Silver Oak Securities, Inc8,130$436.1K0.03%−284−3.4%Reduced
Focus Financial Network, Inc.8,194$437.3K0.02%+962+13.3%Added
Gen-Wealth Partners Inc8,207$438.0K0.14%+6,452+367.6%Added
Stablepoint Partners, LLC8,283$442.1K0.07%+78+1.0%Added
Citizens Financial Group Inc8,293$442.6K0.01%−7,903−48.8%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH8,300$445.2K0.00%00.0%Unchanged
True North Advisors, LLC8,420$449.4K0.06%+38+0.5%Added
Foresight Global Investors, Inc.8,464$451.7K0.21%+8,464New
Chung Wu Investment Group, LLC8,500$453.6K0.37%00.0%Unchanged
CWM, LLC8,549$456.0K0.00%+3,510+69.7%Added
Csenge Advisory Group8,692$463.9K0.02%−18,579−68.1%Reduced
Perigon Wealth Management, LLC8,721$465.4K0.01%−110−1.2%Reduced
Farmers & Merchants Investments Inc8,742$466.6K0.01%+52+0.6%Added
Ameritas Investment Partners, Inc.8,983$479.4K0.01%00.0%Unchanged
Hancock Whitney Corp8,988$479.7K0.01%−51−0.6%Reduced
Fidelis Capital Partners, LLC9,032$482.0K0.04%00.0%Unchanged
Peapack Gladstone Financial Corp9,068$484.0K0.01%+289+3.3%Added
Capital Investment Advisors, LLC9,120$486.8K0.01%+15+0.2%Added
Holderness Investments Co9,182$490.0K0.10%+237+2.6%Added
Legacy Advisors, LLC9,275$495.0K0.05%00.0%Unchanged
Bitterroot Capital Advisors LLC9,342$498.6K0.34%+9,342New
Walled Lake Planning & Wealth Management, LLC9,419$502.7K0.16%00.0%Unchanged
Schulhoff & Co Inc9,500$507.0K0.21%+2,000+26.7%Added
Silverberg Bernstein Capital Management LLC9,644$514.7K0.30%+567+6.2%Added
Bogart Wealth, LLC9,727$519.1K0.02%00.0%Unchanged
Trueblood Wealth Management, LLC9,736$519.6K0.20%+186+1.9%Added
IHT Wealth Management, LLC9,752$520.5K0.01%+5,359+122.0%Added
Carnegie Capital Asset Management, LLC9,816$523.9K0.01%00.0%Unchanged
Bokf, NA9,915$529.2K0.01%00.0%Unchanged
Abel Hall, LLC10,000$533.7K0.12%00.0%Unchanged
Wesbanco Bank Inc10,045$536.1K0.01%00.0%Unchanged
Rothschild Investment LLC10,150$541.7K0.03%−1,000−9.0%Reduced
BridgePort Financial Solutions, LLC10,154$541.9K0.15%+10,154New
Colonial River Wealth Management, LLC10,232$546.1K0.19%−507−4.7%Reduced