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; 641 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
- 634
- +66 vs. Q3 2025
- Shares held
- 178.3M
- −31.6M (−15.0%) vs. Q3 2025
- Total value
- $9.52B
- −$966.3M (−9.2%) vs. Q3 2025
- New holders
- 98
- 232 more added
- Sold out
- 32
- 135 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 641 | $11.1B |
| Q1 2026 | 648 | $11.6B |
| Q4 2025 | 634 | $9.52B |
| Q3 2025 | 578 | $10.5B |
| Q2 2025 | 577 | $11.2B |
| Q1 2025 | 572 | $11.6B |
| Q4 2024 | 536 | $10.4B |
| Q3 2024 | 502 | $10.3B |
| Q2 2024 | 490 | $10.2B |
| Q1 2024 | 479 | $9.32B |
| Q4 2023 | 443 | $8.15B |
| Q3 2023 | 398 | $8.18B |
| Q2 2023 | 370 | $7.62B |
| Q1 2023 | 381 | $7.91B |
| Q4 2022 | 359 | $7.36B |
| Q3 2022 | 342 | $6.98B |
| Q2 2022 | 340 | $6.97B |
| Q1 2022 | 349 | $8.20B |
| Q4 2021 | 341 | $7.48B |
| Q3 2021 | 311 | $7.51B |
| Q2 2021 | 301 | $8.20B |
| Q1 2021 | 306 | $7.34B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Invesco Ltd. | 18,187,878 | $970.7M | 0.09% | −1,374,060−7.0% | Reduced |
| Blackstone Group Inc. | 15,705,485 | $838.2M | 2.89% | +1,687,768+12.0% | Added |
| Tortoise Capital Advisors, L.L.C. | 13,319,918 | $710.9M | 9.05% | −200,561−1.5% | Reduced |
| Goldman Sachs Group Inc | 12,466,987 | $665.4M | 0.09% | −629,242−4.8% | Reduced |
| Bank of America Corp | 8,531,066 | $455.3M | 0.03% | −814,876−8.7% | Reduced |
| Kayne Anderson Capital Advisors LP | 7,227,400 | $385.7M | 8.76% | −6,367−0.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 6,908,382 | $368.7M | 0.55% | −151,642−2.1% | Reduced |
| Morgan Stanley | 5,763,110 | $307.6M | 0.02% | +1,104,510+23.7% | Added |
| Chickasaw Capital Management LLC | 5,429,906 | $289.8M | 11.94% | −181,918−3.2% | Reduced |
| UBS Group AG | 5,304,746 | $283.1M | 0.06% | +38,283+0.7% | Added |
| Energy Income Partners, LLC | 5,299,724 | $282.8M | 5.12% | −360,161−6.4% | Reduced |
| Brave Warrior Advisors, LLC | 4,474,115 | $238.8M | 5.59% | +6,641+0.1% | Added |
| JPMorgan Chase & Co | 3,286,142 | $175.4M | 0.01% | −1,372,119−29.5% | Reduced |
| Brookfield Asset Management Inc. | 2,959,830 | $158.0M | 0.20% | +134,859+4.8% | Added |
| ING Groep NV | 2,903,800 | $155.0M | 0.93% | −1,400,500−32.5% | Reduced |
| CIBC Private Wealth Group, LLC | 2,724,200 | $145.4M | 0.25% | +36,110+1.3% | Added |
| Clearbridge Investments, LLC | 2,343,689 | $125.1M | 0.10% | +172,000+7.9% | Added |
| Miller Howard Investments Inc | 2,315,921 | $123.6M | 3.73% | +57,247+2.5% | Added |
| Fractal Investments LLC | 2,051,301 | $109.5M | 15.29% | 00.0% | Unchanged |
| Eagle Global Advisors LLC | 1,884,585 | $100.6M | 3.72% | −52,470−2.7% | Reduced |
| Cushing Asset Management, LP | 1,883,800 | $100.5M | 5.77% | +150,000+8.7% | Added |
| Duff & Phelps Investment Management Co | 1,832,003 | $97.8M | 1.11% | −5,476−0.3% | Reduced |
| FMR LLC | 1,668,643 | $89.1M | 0.00% | +3,060+0.2% | Added |
| AlphaCore Capital LLC | 1,606,602 | $85.7M | 1.92% | +29,129+1.8% | Added |
| Stifel Financial Corp | 1,328,139 | $70.9M | 0.06% | −89,598−6.3% | Reduced |
| Epoch Investment Partners, Inc. | 1,156,589 | $61.7M | 0.35% | +112,738+10.8% | Added |
| Mariner, LLC | 1,153,276 | $61.6M | 0.07% | +36,377+3.3% | Added |
| Neuberger Berman Group LLC | 1,124,270 | $60.0M | 0.04% | +29,089+2.7% | Added |
| BNP Paribas Arbitrage, SA | 1,106,127 | $59.0M | 0.04% | +44,125+4.2% | Added |
| Progeny 3, Inc. | 1,058,959 | $56.5M | 3.04% | −23,600−2.2% | Reduced |
| Infrastructure Capital Advisors, LLC | 1,037,984 | $55.4M | 6.10% | −100,296−8.8% | Reduced |
| Raymond James Financial Inc | 955,698 | $51.0M | 0.02% | +7,750+0.8% | Added |
| Barclays PLC | 915,691 | $48.9M | 0.02% | −257,709−22.0% | Reduced |
| Cohen & Steers, Inc. | 880,593 | $47.0M | 0.08% | +189,306+27.4% | Added |
| Deutsche Bank AG | 853,780 | $45.6M | 0.01% | −76,400−8.2% | Reduced |
| Allianz Asset Management GmbH | 829,136 | $44.3M | 0.05% | −82,364−9.0% | Reduced |
| Royal Bank of Canada | 791,478 | $42.2M | 0.01% | +46,378+6.2% | Added |
| Longfellow Investment Management Co LLC | 766,529 | $40.9M | 9.23% | 00.0% | Unchanged |
| Americana Partners, LLC | 760,306 | $40.6M | 1.11% | +211,694+38.6% | Added |
| Wells Fargo & Company | 748,670 | $40.0M | 0.01% | +11,775+1.6% | Added |
| Reaves W H & Co Inc | 670,500 | $35.8M | 0.63% | 00.0% | Unchanged |
| Jennison Associates LLC | 670,327 | $35.8M | 0.02% | −98,304−12.8% | Reduced |
| Appaloosa LPSuperinvestorAppaloosa | 627,500 | $33.5M | 0.49% | +92,500+17.3% | Added |
| Northside Capital Management, LLC | 590,080 | $31.5M | 2.74% | +130.0% | Added |
| U.S. Capital Wealth Advisors, LLC | 578,421 | $30.9M | 0.81% | +412+0.1% | Added |
| Exchange Traded Concepts, LLC | 558,737 | $29.8M | 0.25% | +179,431+47.3% | Added |
| Chicago Partners Investment Group LLC | 479,604 | $26.5M | 0.65% | −7,295−1.5% | Reduced |
| LPL Financial LLC | 478,898 | $25.6M | 0.01% | +49,044+11.4% | Added |
| Citigroup Inc | 463,865 | $24.8M | 0.02% | −143,062−23.6% | Reduced |
| Alps Advisors Inc | 429,566 | $22.9M | 0.13% | −25,980,088−98.4% | Reduced |
| Goldentree Asset Management LP | 424,886 | $22.7M | 1.23% | +131,817+45.0% | Added |
| Oxbow Advisors, LLC | 405,174 | $21.6M | 1.90% | +11,754+3.0% | Added |
| Sovereign Investment Advisors, LLC | 372,208 | $19.9M | 4.97% | −1,747−0.5% | Reduced |
| HighTower Advisors, LLC | 366,713 | $19.6M | 0.02% | −190,967−34.2% | Reduced |
| Maryland State Retirement & Pension System | 354,526 | $18.9M | 0.39% | +5,008+1.4% | Added |
| Bollard Group LLC | 353,420 | $18.9M | 0.50% | −53,894−13.2% | Reduced |
| HRT Financial LP | 339,005 | $18.1M | 0.06% | +136,634+67.5% | Added |
| Heronetta Management, L.P. | 323,639 | $17.3M | 9.99% | −32,425−9.1% | Reduced |
| Texas Yale Capital Corp. | 311,445 | $16.6M | 0.50% | +11,600+3.9% | Added |
| Jump Financial, LLC | 300,765 | $16.1M | 0.20% | +97,465+47.9% | Added |
| Susquehanna Portfolio Strategies, LLC | 282,768 | $15.1M | 0.23% | +53,729+23.5% | Added |
| CI Private Wealth, LLC | 280,102 | $14.9M | 0.02% | −1,233−0.4% | Reduced |
| Catalyst Capital Advisors LLC | 274,980 | $14.7M | 0.30% | −89,411−24.5% | Reduced |
| Walnut Private Equity Partners, LLC | 257,500 | $13.7M | 7.99% | 00.0% | Unchanged |
| Private Capital Advisors, Inc. | 256,752 | $13.7M | 1.40% | +443+0.2% | Added |
| Tectonic Advisors LLC | 252,688 | $13.5M | 0.71% | +10,963+4.5% | Added |
| Warren Averett Asset Management, LLC | 246,265 | $13.1M | 0.11% | +151+0.1% | Added |
| Citadel Advisors LLC | 236,462 | $12.6M | 0.01% | +236,462 | New |
| Deroy & Devereaux Private Investment Counsel Inc | 227,482 | $12.1M | 0.59% | +9,100+4.2% | Added |
| Envestnet Asset Management Inc | 224,310 | $12.0M | 0.00% | −18,140−7.5% | Reduced |
| Opal Capital LLC | 219,789 | $11.7M | 2.94% | +219,789 | New |
| TrueMark Investments, LLC | 218,032 | $11.6M | 2.22% | +15,551+7.7% | Added |
| Wiley Bros.-Aintree Capital, LLC | 216,960 | $11.6M | 0.06% | +102,358+89.3% | Added |
| Adams Asset Advisors, LLC | 209,589 | $11.2M | 1.47% | 00.0% | Unchanged |
| RR Advisors, LLC | 209,438 | $11.2M | 3.49% | −289,562−58.0% | Reduced |
| Cetera Investment Advisers | 200,517 | $10.7M | 0.01% | −23,543−10.5% | Reduced |
| Nuveen, LLC | 197,417 | $10.5M | 0.00% | −26,416−11.8% | Reduced |
| Sequoia Financial Advisors, LLC | 195,035 | $10.4M | 0.06% | −1,592−0.8% | Reduced |
| Evergreen Capital Management LLC | 189,494 | $10.1M | 0.23% | +2,550+1.4% | Added |
| Rockefeller Capital Management L.P. | 189,137 | $10.1M | 0.02% | −663−0.3% | Reduced |
| Avenir Corp | 186,892 | $9.97M | 1.08% | 00.0% | Unchanged |
| Hennessy Advisors Inc | 176,549 | $9.42M | 0.33% | −3,000−1.7% | Reduced |
| Glenmede Trust Co NA | 175,835 | $9.38M | 0.04% | +175,835 | New |
| United Capital Financial Advisers, LLC | 172,520 | $9.21M | 0.06% | +166,445+2,739.8% | Added |
| Parkwood LLC | 169,976 | $9.07M | 0.77% | +3,161+1.9% | Added |
| Cambridge Investment Research Advisors, Inc. | 159,677 | $8.52M | 0.02% | +74,974+88.5% | Added |
| Advisors Asset Management, Inc. | 157,932 | $8.43M | 0.14% | +8,565+5.7% | Added |
| Commonwealth Equity Services, LLC | 157,189 | $8.39M | 0.01% | +34,769+28.4% | Added |
| Jane Street Group, LLC | 156,208 | $8.34M | 0.01% | −37,301−19.3% | Reduced |
| Advisors Capital Management, LLC | 154,299 | $8.23M | 0.10% | +1,297+0.8% | Added |
| Blueprint Financial Advisors LLC | 152,998 | $8.17M | 1.25% | −4,853−3.1% | Reduced |
| Blueprint Investment Partners LLC | 150,998 | $8.06M | 0.86% | −4,853−3.1% | Reduced |
| Advisor Group Holdings, Inc. | 150,746 | $8.05M | 0.01% | +18,579+14.1% | Added |
| Susquehanna International Group, LLP | 148,049 | $7.90M | 0.01% | −192,121−56.5% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 146,090 | $7.80M | 0.61% | +2,589+1.8% | Added |
| Gilman Hill Asset Management, LLC | 142,821 | $7.62M | 1.20% | +2,500+1.8% | Added |
| Norden Group LLC | 142,300 | $7.59M | 0.74% | +142,300 | New |
| BlackRock, Inc. | 141,610 | $7.56M | 0.00% | −441,982−75.7% | Reduced |
| Stephens Inc | 137,665 | $7.35M | 0.09% | +7,388+5.7% | Added |
| Kercheville Advisors, LLC | 131,336 | $7.30M | 1.91% | −3,453−2.6% | Reduced |