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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
Independent Financial Group, LLC11,967$638.7K0.01%+11,967New
Griffin Asset Management, Inc.11,932$636.8K0.07%+59+0.5%Added
Stratos Wealth Advisors, LLC11,931$636.8K0.03%+9+0.1%Added
Jones Financial Companies LLLP11,865$633.2K0.00%+1,419+13.6%Added
David R. Rahn & Associates Inc.11,635$621.0K0.15%00.0%Unchanged
Monetary Management Group Inc11,600$619.1K0.14%00.0%Unchanged
Venture Visionary Partners LLC11,569$617.5K0.02%+1,230+11.9%Added
Bryn Mawr Trust Co11,569$617.4K0.01%00.0%Unchanged
First Heartland Consultants, Inc.11,543$616.0K0.05%−1,887−14.1%Reduced
Merrion Investment Management Co, LLC11,525$615.1K0.33%00.0%Unchanged
Commerce Bank11,524$615.0K0.00%+1,591+16.0%Added
Princeton Global Asset Management LLC11,515$614.5K0.10%+13+0.1%Added
Northstar Advisory Group, LLC11,500$613.8K0.22%+1,500+15.0%Added
Foundations Investment Advisors, LLC11,449$611.0K0.01%+11,449New
Mitchell McLeod Pugh & Williams Inc10,901$610.5K0.09%+10,901New
Beacon Pointe Advisors, LLC11,165$595.9K0.00%+1,733+18.4%Added
Diversify Advisory Services, LLC10,399$588.4K0.02%+436+4.4%Added
Lifetime Wealth Management P.C.11,000$587.1K0.37%+11,000New
Equitable Holdings, Inc.10,986$586.3K0.00%+5,440+98.1%Added
Wedmont Private Capital11,080$579.9K0.02%+664+6.4%Added
Essex Financial Services, Inc.10,817$577.3K0.03%00.0%Unchanged
MML Investors Services, LLC10,767$574.6K0.00%+1,430+15.3%Added
SG Americas Securities, LLC10,695$571.0K0.00%+8,234+334.6%Added
Integrated Wealth Concepts LLC10,690$570.5K0.01%−6,107−36.4%Reduced
Granite Group Advisors, LLC10,621$566.9K0.32%+40.0%Added
Bouchey Financial Group Ltd10,568$564.0K0.04%00.0%Unchanged
Marshall Investment Management, LLC10,528$561.9K0.28%00.0%Unchanged
M&T Bank Corp10,494$560.1K0.00%00.0%Unchanged
Navellier & Associates Inc10,485$559.6K0.06%+684+7.0%Added
Bedel Financial Consulting, Inc.10,475$559.0K0.06%+81+0.8%Added
Spire Wealth Management10,410$555.6K0.02%+1,476+16.5%Added
Sunbeam Capital Management, LLC10,319$550.7K0.33%+9+0.1%Added
Colonial River Wealth Management, LLC10,232$546.1K0.19%−507−4.7%Reduced
Axxcess Wealth Management, LLC10,232$546.1K0.01%−507−4.7%Reduced
BridgePort Financial Solutions, LLC10,154$541.9K0.15%+10,154New
Rothschild Investment LLC10,150$541.7K0.03%−1,000−9.0%Reduced
Wesbanco Bank Inc10,045$536.1K0.01%00.0%Unchanged
Abel Hall, LLC10,000$533.7K0.12%00.0%Unchanged
Bokf, NA9,915$529.2K0.01%00.0%Unchanged
Carnegie Capital Asset Management, LLC9,816$523.9K0.01%00.0%Unchanged
IHT Wealth Management, LLC9,752$520.5K0.01%+5,359+122.0%Added
Trueblood Wealth Management, LLC9,736$519.6K0.20%+186+1.9%Added
Bogart Wealth, LLC9,727$519.1K0.02%00.0%Unchanged
Silverberg Bernstein Capital Management LLC9,644$514.7K0.30%+567+6.2%Added
Schulhoff & Co Inc9,500$507.0K0.21%+2,000+26.7%Added
Walled Lake Planning & Wealth Management, LLC9,419$502.7K0.16%00.0%Unchanged
Bitterroot Capital Advisors LLC9,342$498.6K0.34%+9,342New
Legacy Advisors, LLC9,275$495.0K0.05%00.0%Unchanged
Holderness Investments Co9,182$490.0K0.10%+237+2.6%Added
Capital Investment Advisors, LLC9,120$486.8K0.01%+15+0.2%Added
Peapack Gladstone Financial Corp9,068$484.0K0.01%+289+3.3%Added
Fidelis Capital Partners, LLC9,032$482.0K0.04%00.0%Unchanged
Hancock Whitney Corp8,988$479.7K0.01%−51−0.6%Reduced
Ameritas Investment Partners, Inc.8,983$479.4K0.01%00.0%Unchanged
Farmers & Merchants Investments Inc8,742$466.6K0.01%+52+0.6%Added
Perigon Wealth Management, LLC8,721$465.4K0.01%−110−1.2%Reduced
Csenge Advisory Group8,692$463.9K0.02%−18,579−68.1%Reduced
CWM, LLC8,549$456.0K0.00%+3,510+69.7%Added
Chung Wu Investment Group, LLC8,500$453.6K0.37%00.0%Unchanged
Foresight Global Investors, Inc.8,464$451.7K0.21%+8,464New
True North Advisors, LLC8,420$449.4K0.06%+38+0.5%Added
Universal- Beteiligungs- und Servicegesellschaft mbH8,300$445.2K0.00%00.0%Unchanged
Citizens Financial Group Inc8,293$442.6K0.01%−7,903−48.8%Reduced
Stablepoint Partners, LLC8,283$442.1K0.07%+78+1.0%Added
Gen-Wealth Partners Inc8,207$438.0K0.14%+6,452+367.6%Added
Focus Financial Network, Inc.8,194$437.3K0.02%+962+13.3%Added
Silver Oak Securities, Inc8,130$436.1K0.03%−284−3.4%Reduced
Newman Dignan & Sheerar, Inc.8,100$432.3K0.09%00.0%Unchanged
Fiduciary Financial Group, LLC8,085$431.5K0.06%+1,467+22.2%Added
MSH Capital Advisors LLC8,080$431.2K0.09%+8,080New
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
Maia Wealth LLC7,667$422.8K0.07%+152+2.0%Added
Valeo Financial Advisors, LLC7,869$420.0K0.01%−80−1.0%Reduced
ORG Partners LLC7,826$419.4K0.07%−169−2.1%Reduced
International Assets Investment Management, LLC7,852$419.1K0.03%+984+14.3%Added
Belfer Management LLC7,849$418.9K7.34%+181+2.4%Added
Advisor OS, LLC7,748$413.5K0.03%00.0%Unchanged
Benjamin Edwards Inc7,739$413.0K0.00%+250+3.3%Added
Hilltop Holdings Inc.7,735$412.8K0.02%−60−0.8%Reduced
Pine Valley Investments Ltd Liability Co7,686$410.2K0.02%+19+0.2%Added
First National Bank of Omaha7,589$407.1K0.01%+7,589New
Roman Butler Fullerton & Co7,249$402.8K0.11%+7,249New
IFP Advisors, Inc7,542$402.5K0.01%+2,609+52.9%Added
National Bank of Canada7,500$400.4K0.00%+1,000+15.4%Added
Capital Advisors Inc7,442$397.2K0.01%+3,000+67.5%Added
Lee Financial Co7,372$393.4K0.05%−9,307−55.8%Reduced
Allegheny Financial Group LTD7,364$393.0K0.06%00.0%Unchanged
Arista Wealth Management, LLC7,306$389.9K0.05%00.0%Unchanged
American National Bank7,276$388.3K0.04%+5,096+233.8%Added
Sigma Planning Corp7,274$388.2K0.01%−220−2.9%Reduced
Traynor Capital Management, Inc.7,269$387.9K0.02%−606−7.7%Reduced
Westco Advisory Services Inc7,145$381.3K0.23%+7,145New
Formidable Asset Management, LLC7,580$378.6K0.06%−2,760−26.7%Reduced
Harbour Investments, Inc.7,086$378.2K0.01%−134−1.9%Reduced
Icon Wealth Advisors, LLC7,077$377.7K0.03%−206−2.8%Reduced
Intrua Financial, LLC7,070$377.3K0.04%+2,008+39.7%Added
Amplify Investments, LLC7,327$368.5K8.53%+1,293+21.4%Added
National Wealth Management Group, LLC6,895$368.0K0.13%+6,895New