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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, Q3 2025

Institutional positions in MPLX LP as of Sep 30, 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
576
+9 vs. Q2 2025
Shares held
210.1M
−6.52M (−3.0%) vs. Q2 2025
Total value
$10.5B
−$645.3M (−5.8%) vs. Q2 2025
New holders
54
221 more added
Sold out
45
123 more reduced

8 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 576 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 heldQ3 2025: $10.5B
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, Q3 2025

Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q2 2025.

Institutions holding MPLX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Kovack Advisors, Inc.6,917$345.5K0.03%+64+0.9%Added
Severin Investments, LLC6,932$346.2K0.31%+6,932New
NewEdge Wealth, LLC6,737$347.5K0.00%00.0%Unchanged
International Assets Investment Management, LLC6,868$348.8K0.03%00.0%Unchanged
Hilton Capital Management, LLC7,085$353.9K0.03%00.0%Unchanged
Harbour Investments, Inc.7,220$360.7K0.01%−73−1.0%Reduced
Focus Financial Network, Inc.7,232$361.2K0.01%−719−9.0%Reduced
Mount Yale Investment Advisors, LLC7,280$363.6K0.03%+6,780+1,356.0%Added
Vestmark Advisory Solutions, Inc.7,280$363.6K0.01%+7,280New
Icon Wealth Advisors, LLC7,283$363.8K0.02%00.0%Unchanged
Arista Wealth Management, LLC7,306$364.9K0.05%00.0%Unchanged
Allegheny Financial Group LTD7,364$367.8K0.07%00.0%Unchanged
Benjamin Edwards Inc7,489$374.1K0.00%+7,489New
Sigma Planning Corp7,494$374.3K0.01%+806+12.1%Added
Schulhoff & Co Inc7,500$374.6K0.16%+2,500+50.0%Added
Sanders Morris Harris LLC7,540$376.6K0.05%+2,717+56.3%Added
Country Club Bank7,589$379.9K0.02%−3,676−32.6%Reduced
Pine Valley Investments Ltd Liability Co7,667$383.0K0.02%+216+2.9%Added
Belfer Management LLC7,668$383.0K5.32%00.0%Unchanged
Alpha Cubed Investments, LLC7,693$384.3K0.01%+2,834+58.3%Added
Advisor OS, LLC7,748$387.0K0.03%00.0%Unchanged
Maia Wealth LLC7,515$389.1K0.07%+7,515New
Hilltop Holdings Inc.7,795$389.4K0.02%+22+0.3%Added
Traynor Capital Management, Inc.7,875$393.3K0.02%+7,875New
Valeo Financial Advisors, LLC7,949$397.0K0.01%+21+0.3%Added
Signaturefd, LLC8,000$399.6K0.01%00.0%Unchanged
Matrix Private Capital Group LLC8,000$399.6K0.21%00.0%Unchanged
Quantum Financial Planning Services, Inc.8,000$399.6K0.16%00.0%Unchanged
ORG Partners LLC7,995$401.2K0.07%+728+10.0%Added
Newman Dignan & Sheerar, Inc.8,100$404.6K0.09%00.0%Unchanged
Stablepoint Partners, LLC8,205$409.8K0.07%+1,492+22.2%Added
Universal- Beteiligungs- und Servicegesellschaft mbH8,300$414.6K0.00%+800+10.7%Added
True North Advisors, LLC8,382$418.7K0.07%+35+0.4%Added
Robertson Stephens Wealth Management, LLC8,393$419.2K0.01%00.0%Unchanged
Silver Oak Securities, Inc8,414$420.3K0.03%+146+1.8%Added
Chung Wu Investment Group, LLC8,500$424.6K0.35%00.0%Unchanged
Farmers & Merchants Investments Inc8,690$434.1K0.01%00.0%Unchanged
Peapack Gladstone Financial Corp8,779$439.0K0.01%−120−1.3%Reduced
Perigon Wealth Management, LLC8,831$441.1K0.01%+500+6.0%Added
IFG Advisory, LLC8,838$441.5K0.02%−20,918−70.3%Reduced
Spire Wealth Management8,934$446.3K0.02%+1,483+19.9%Added
Holderness Investments Co8,945$446.8K0.09%+225+2.6%Added
Ameritas Investment Partners, Inc.8,983$448.7K0.01%00.0%Unchanged
Regions Financial Corp9,000$449.6K0.00%−6,250−41.0%Reduced
Pinnacle Financial Partners Inc9,000$449.6K0.01%+9,000New
MAS Advisors LLC9,003$449.7K0.71%+1,012+12.7%Added
Fidelis Capital Partners, LLC9,032$451.2K0.04%00.0%Unchanged
Hancock Whitney Corp9,039$451.5K0.01%00.0%Unchanged
Silverberg Bernstein Capital Management LLC9,077$453.4K0.28%+1,701+23.1%Added
Capital Investment Advisors, LLC9,105$454.8K0.01%+738+8.8%Added
Legacy Advisors, LLC9,275$463.3K0.06%+9,275New
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management9,320$465.5K0.01%+1,500+19.2%Added
MML Investors Services, LLC9,337$466.4K0.00%+1,863+24.9%Added
Walled Lake Planning & Wealth Management, LLC9,419$470.5K0.15%00.0%Unchanged
Beacon Pointe Advisors, LLC9,432$471.1K0.00%+4,700+99.3%Added
Trueblood Wealth Management, LLC9,550$477.0K0.19%+255+2.7%Added
Bogart Wealth, LLC9,727$485.9K0.02%00.0%Unchanged
Navellier & Associates Inc9,801$489.5K0.05%+954+10.8%Added
Carnegie Capital Asset Management, LLC9,816$490.3K0.01%+868+9.7%Added
Aire Advisors, LLC9,825$490.8K0.09%−1,425−12.7%Reduced
Bokf, NA9,915$495.3K0.01%00.0%Unchanged
Commerce Bank9,933$496.2K0.00%00.0%Unchanged
Abel Hall, LLC10,000$499.5K0.20%00.0%Unchanged
Northstar Advisory Group, LLC10,000$499.5K0.20%+1,000+11.1%Added
Wesbanco Bank Inc10,045$501.7K0.01%−2,185−17.9%Reduced
Diversify Advisory Services, LLC9,963$506.6K0.02%+1,240+14.2%Added
Wedmont Private Capital10,416$511.4K0.02%+61+0.6%Added
Sunbeam Capital Management, LLC10,310$515.0K0.32%+10,310New
Venture Visionary Partners LLC10,339$516.5K0.02%+20.0%Added
Bedel Financial Consulting, Inc.10,394$519.2K0.07%+75+0.7%Added
Arete Wealth Advisors, LLC10,444$522.0K0.03%+392+3.9%Added
M&T Bank Corp10,494$524.2K0.00%00.0%Unchanged
Marshall Investment Management, LLC10,528$525.9K0.28%00.0%Unchanged
Bouchey Financial Group Ltd10,568$527.9K0.04%+10,568New
Granite Group Advisors, LLC10,617$530.3K0.32%−1,288−10.8%Reduced
Formidable Asset Management, LLC10,340$532.6K0.08%−813−7.3%Reduced
HBK Sorce Advisory LLC10,801$532.7K0.01%−41−0.4%Reduced
Jones Financial Companies LLLP10,446$535.7K0.00%+3,535+51.2%Added
Axxcess Wealth Management, LLC10,739$536.4K0.01%−463−4.1%Reduced
Colonial River Wealth Management, LLC10,739$536.4K0.20%−463−4.1%Reduced
Essex Financial Services, Inc.10,817$540.3K0.03%00.0%Unchanged
Rothschild Investment LLC11,150$556.9K0.03%00.0%Unchanged
Ausdal Financial Partners, Inc.11,157$557.3K0.03%−10−0.1%Reduced
Cascade Financial Partners, LLC11,491$574.0K0.07%+770+7.2%Added
Princeton Global Asset Management LLC11,502$574.5K0.10%+13+0.1%Added
Merrion Investment Management Co, LLC11,525$575.7K0.33%00.0%Unchanged
Bryn Mawr Trust Co11,569$577.9K0.01%−3,100−21.1%Reduced
Monetary Management Group Inc11,600$579.4K0.13%00.0%Unchanged
David R. Rahn & Associates Inc.11,635$581.2K0.14%00.0%Unchanged
Griffin Asset Management, Inc.11,873$593.0K0.07%−319−2.6%Reduced
Farther Finance Advisors, LLC11,893$594.1K0.01%+5,178+77.1%Added
Stratos Wealth Advisors, LLC11,922$595.5K0.03%+8+0.1%Added
Truist Financial Corp11,943$596.6K0.00%+4,294+56.1%Added
Wealthstar Advisors, LLC12,408$619.8K0.24%−1,212−8.9%Reduced
Larson Financial Group LLC12,423$620.5K0.02%+591+5.0%Added
FORA Capital, LLC12,521$625.4K0.11%+12,521New
Vestcor Inc12,568$628.0K0.02%−8,533−40.4%Reduced
Savant Capital, LLC12,753$637.0K0.00%00.0%Unchanged
Creekmur Asset Management LLC12,797$639.2K0.11%−6,748−34.5%Reduced
ARS Investment Partners, LLC12,900$644.4K0.04%00.0%Unchanged