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
- 214.9M
- −2.77M (−1.3%) vs. Q2 2025
- Total value
- $10.7B
- −$459.3M (−4.1%) vs. Q2 2025
- New holders
- 54
- 223 more added
- Sold out
- 45
- 121 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 639 | $11.1B |
| Q1 2026 | 646 | $11.6B |
| Q4 2025 | 633 | $9.55B |
| Q3 2025 | 576 | $10.7B |
| Q2 2025 | 575 | $11.2B |
| Q1 2025 | 570 | $12.1B |
| Q4 2024 | 535 | $10.6B |
| Q3 2024 | 502 | $10.6B |
| Q2 2024 | 491 | $10.5B |
| Q1 2024 | 480 | $10.3B |
| Q4 2023 | 444 | $8.62B |
| Q3 2023 | 398 | $8.19B |
| Q2 2023 | 370 | $7.71B |
| Q1 2023 | 381 | $7.99B |
| Q4 2022 | 359 | $7.36B |
| Q3 2022 | 342 | $6.98B |
| Q2 2022 | 340 | $6.97B |
| Q1 2022 | 350 | $8.33B |
| Q4 2021 | 341 | $7.51B |
| Q3 2021 | 311 | $7.52B |
| Q2 2021 | 302 | $8.20B |
| Q1 2021 | 306 | $7.34B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alps Advisors Inc | 26,409,654 | $1.32B | 7.35% | +325,451+1.2% | Added |
| Invesco Ltd. | 19,561,938 | $977.1M | 0.15% | +143,361+0.7% | Added |
| Blackstone Group Inc. | 14,017,717 | $700.2M | 2.99% | −2,925,721−17.3% | Reduced |
| Tortoise Capital Advisors, L.L.C. | 13,520,479 | $675.3M | 8.71% | +329,642+2.5% | Added |
| Goldman Sachs Group Inc | 13,096,229 | $654.2M | 0.09% | −1,049,561−7.4% | Reduced |
| Bank of America Corp | 9,345,942 | $466.8M | 0.03% | −527,677−5.3% | Reduced |
| JPMorgan Chase & Co | 9,316,522 | $465.4M | 0.01% | +4,449,209+91.4% | Added |
| Kayne Anderson Capital Advisors LP | 7,233,767 | $361.3M | 7.97% | −385,337−5.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 7,060,024 | $352.6M | 0.56% | +300,321+4.4% | Added |
| Energy Income Partners, LLC | 5,659,885 | $282.7M | 5.45% | +118,090+2.1% | Added |
| Chickasaw Capital Management LLC | 5,611,824 | $280.3M | 11.46% | +120,216+2.2% | Added |
| UBS Group AG | 5,266,463 | $263.1M | 0.05% | −1,542,786−22.7% | Reduced |
| Morgan Stanley | 4,658,600 | $232.7M | 0.01% | −586,044−11.2% | Reduced |
| Brave Warrior Advisors, LLC | 4,467,474 | $223.2M | 5.18% | +192,441+4.5% | Added |
| ING Groep NV | 4,304,300 | $215.0M | 1.16% | −258,200−5.7% | Reduced |
| Brookfield Asset Management Inc. | 2,824,971 | $141.1M | 0.16% | −931,611−24.8% | Reduced |
| CIBC Private Wealth Group, LLC | 2,688,090 | $134.3M | 0.23% | −35,979−1.3% | Reduced |
| Miller Howard Investments Inc | 2,258,674 | $112.8M | 3.44% | +18,538+0.8% | Added |
| Westwood Holdings Group Inc. | 2,238,864 | $111.8M | 0.80% | +32,918+1.5% | Added |
| Clearbridge Investments, LLC | 2,171,689 | $108.5M | 0.08% | +21,596+1.0% | Added |
| Fractal Investments LLC | 2,051,301 | $102.5M | 14.79% | −205,202−9.1% | Reduced |
| Eagle Global Advisors LLC | 1,937,055 | $96.8M | 3.71% | +17,490+0.9% | Added |
| Duff & Phelps Investment Management Co | 1,837,479 | $91.8M | 1.04% | +4,687+0.3% | Added |
| Cushing Asset Management, LP | 1,733,800 | $86.6M | 4.92% | +18,000+1.0% | Added |
| FMR LLC | 1,665,583 | $83.2M | 0.00% | +242,037+17.0% | Added |
| AlphaCore Capital LLC | 1,577,473 | $78.8M | 2.65% | +6,140+0.4% | Added |
| Stifel Financial Corp | 1,417,737 | $70.8M | 0.06% | +53,743+3.9% | Added |
| Barclays PLC | 1,173,400 | $58.6M | 0.02% | +31,049+2.7% | Added |
| Infrastructure Capital Advisors, LLC | 1,138,280 | $57.8M | 7.15% | −66,784−5.5% | Reduced |
| Mariner, LLC | 1,116,899 | $55.8M | 0.07% | −4170.0% | Reduced |
| Neuberger Berman Group LLC | 1,095,181 | $54.7M | 0.04% | +47,037+4.5% | Added |
| Progeny 3, Inc. | 1,082,559 | $54.1M | 2.79% | +22,100+2.1% | Added |
| BNP Paribas Arbitrage, SA | 1,062,002 | $53.0M | 0.04% | +118,882+12.6% | Added |
| Epoch Investment Partners, Inc. | 1,043,851 | $52.1M | 0.29% | −74,014−6.6% | Reduced |
| Natixis | 973,758 | $48.6M | 0.26% | +570,000+141.2% | Added |
| Raymond James Financial Inc | 947,948 | $47.3M | 0.02% | +39,011+4.3% | Added |
| Deutsche Bank AG | 930,180 | $46.5M | 0.02% | −52,750−5.4% | Reduced |
| Allianz Asset Management GmbH | 911,500 | $45.5M | 0.06% | −103,800−10.2% | Reduced |
| Jennison Associates LLC | 768,631 | $38.4M | 0.02% | 00.0% | Unchanged |
| Longfellow Investment Management Co LLC | 766,529 | $38.3M | 9.08% | 00.0% | Unchanged |
| Royal Bank of Canada | 745,100 | $37.2M | 0.01% | −863,270−53.7% | Reduced |
| Wells Fargo & Company | 736,895 | $36.8M | 0.01% | −11,966−1.6% | Reduced |
| Cohen & Steers, Inc. | 691,287 | $34.5M | 0.06% | 00.0% | Unchanged |
| Reaves W H & Co Inc | 670,500 | $33.5M | 0.60% | 00.0% | Unchanged |
| Citigroup Inc | 606,927 | $30.3M | 0.02% | +140,697+30.2% | Added |
| Northside Capital Management, LLC | 590,067 | $29.5M | 2.69% | −1,989−0.3% | Reduced |
| BlackRock, Inc. | 583,592 | $29.2M | 0.00% | −2,001−0.3% | Reduced |
| U.S. Capital Wealth Advisors, LLC | 578,009 | $28.9M | 0.78% | +84,151+17.0% | Added |
| HighTower Advisors, LLC | 557,680 | $27.9M | 0.03% | −80,154−12.6% | Reduced |
| Americana Partners, LLC | 548,612 | $27.4M | 0.82% | +28,611+5.5% | Added |
| Appaloosa LPSuperinvestorAppaloosa | 535,000 | $26.7M | 0.36% | −43,500−7.5% | Reduced |
| RR Advisors, LLC | 499,000 | $24.9M | 5.91% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 486,899 | $24.7M | 0.65% | +7,279+1.5% | Added |
| LPL Financial LLC | 429,854 | $21.5M | 0.01% | +26,251+6.5% | Added |
| Bollard Group LLC | 407,314 | $20.3M | 0.50% | +26,336+6.9% | Added |
| Oxbow Advisors, LLC | 393,420 | $19.7M | 1.83% | −9,089−2.3% | Reduced |
| Exchange Traded Concepts, LLC | 379,306 | $18.9M | 0.18% | −23,353−5.8% | Reduced |
| Sovereign Investment Advisors, LLC | 373,955 | $18.7M | 5.10% | 00.0% | Unchanged |
| Catalyst Capital Advisors LLC | 364,391 | $18.2M | 0.37% | −950.0% | Reduced |
| Heronetta Management, L.P. | 356,064 | $17.8M | 9.74% | 00.0% | Unchanged |
| Distillate Capital Partners LLC | 353,730 | $17.7M | 0.92% | −4,901−1.4% | Reduced |
| Maryland State Retirement & Pension System | 349,518 | $17.5M | 0.37% | +9,143+2.7% | Added |
| Susquehanna International Group, LLP | 340,170 | $17.0M | 0.02% | +304,120+843.6% | Added |
| Texas Yale Capital Corp. | 299,845 | $15.0M | 0.47% | +24,405+8.9% | Added |
| Goldentree Asset Management LP | 293,069 | $14.6M | 1.21% | +40,569+16.1% | Added |
| CI Private Wealth, LLC | 281,335 | $13.8M | 0.02% | +242,266+620.1% | Added |
| Walnut Private Equity Partners, LLC | 257,500 | $12.9M | 7.28% | +15,200+6.3% | Added |
| Private Capital Advisors, Inc. | 256,309 | $12.8M | 1.42% | 00.0% | Unchanged |
| Warren Averett Asset Management, LLC | 246,114 | $12.3M | 0.12% | −7,492−3.0% | Reduced |
| Victory Capital Management Inc | 244,604 | $12.2M | 0.01% | −1,201,141−83.1% | Reduced |
| Envestnet Asset Management Inc | 242,450 | $12.1M | 0.00% | −13,565−5.3% | Reduced |
| Tectonic Advisors LLC | 241,725 | $12.1M | 0.66% | +16,962+7.5% | Added |
| Susquehanna Portfolio Strategies, LLC | 229,039 | $11.4M | 0.18% | −137,962−37.6% | Reduced |
| Cetera Investment Advisers | 224,060 | $11.2M | 0.01% | +36,431+19.4% | Added |
| Nuveen, LLC | 223,833 | $11.2M | 0.00% | −1,754−0.8% | Reduced |
| Deroy & Devereaux Private Investment Counsel Inc | 218,382 | $10.9M | 0.54% | +743+0.3% | Added |
| Adams Asset Advisors, LLC | 209,589 | $10.5M | 1.35% | 00.0% | Unchanged |
| Jump Financial, LLC | 203,300 | $10.2M | 0.13% | −65,762−24.4% | Reduced |
| TrueMark Investments, LLC | 202,481 | $10.1M | 1.76% | +51,797+34.4% | Added |
| HRT Financial LP | 202,371 | $10.1M | 0.04% | −12,829−6.0% | Reduced |
| Militia Capital Partners, LP | 201,000 | $10.0M | 1.58% | +55,000+37.7% | Added |
| Sequoia Financial Advisors, LLC | 196,627 | $9.82M | 0.06% | +3,359+1.7% | Added |
| Jane Street Group, LLC | 193,509 | $9.67M | 0.01% | +86,585+81.0% | Added |
| Glenmede Investment Management, LP | 192,035 | $9.59M | 0.05% | +6,461+3.5% | Added |
| Rockefeller Capital Management L.P. | 189,800 | $9.48M | 0.02% | −178,242−48.4% | Reduced |
| Evergreen Capital Management LLC | 186,944 | $9.34M | 0.22% | −9,344−4.8% | Reduced |
| Avenir Corp | 186,892 | $9.34M | 0.97% | +3,925+2.1% | Added |
| Hennessy Advisors Inc | 179,549 | $8.97M | 0.31% | 00.0% | Unchanged |
| Parkwood LLC | 166,815 | $8.33M | 0.81% | +6,915+4.3% | Added |
| Blueprint Financial Advisors LLC | 157,851 | $7.88M | 1.70% | +157,851 | New |
| Blueprint Investment Partners LLC | 155,851 | $7.78M | 1.09% | +4,997+3.3% | Added |
| Advisors Capital Management, LLC | 153,002 | $7.64M | 0.09% | +4,620+3.1% | Added |
| Advisors Asset Management, Inc. | 149,367 | $7.46M | 0.13% | +20,777+16.2% | Added |
| Turtle Creek Wealth Advisors, LLC | 143,501 | $7.17M | 0.64% | +88,292+159.9% | Added |
| Gilman Hill Asset Management, LLC | 140,321 | $7.01M | 1.10% | +14,721+11.7% | Added |
| Granby Capital Management, LLC | 140,000 | $6.99M | 3.71% | 00.0% | Unchanged |
| Kercheville Advisors, LLC | 134,789 | $6.73M | 2.03% | −108−0.1% | Reduced |
| Advisor Group Holdings, Inc. | 132,167 | $6.68M | 0.01% | −8,158−5.8% | Reduced |
| Evercore Wealth Management, LLC | 132,053 | $6.60M | 0.10% | 00.0% | Unchanged |
| Stephens Inc | 130,277 | $6.51M | 0.08% | +97,622+298.9% | Added |