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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 639 | $11.1B |
| Q1 2026 | 646 | $11.6B |
| Q4 2025 | 633 | $9.52B |
| Q3 2025 | 576 | $10.5B |
| Q2 2025 | 575 | $11.2B |
| Q1 2025 | 570 | $11.6B |
| Q4 2024 | 535 | $10.4B |
| Q3 2024 | 502 | $10.3B |
| Q2 2024 | 491 | $10.2B |
| Q1 2024 | 480 | $9.32B |
| Q4 2023 | 444 | $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 | 350 | $8.20B |
| Q4 2021 | 341 | $7.48B |
| Q3 2021 | 311 | $7.51B |
| Q2 2021 | 301 | $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 |
|---|---|---|---|---|---|
| Deroy & Devereaux Private Investment Counsel Inc | 218,382 | $10.9M | 0.54% | +743+0.3% | Added |
| Nuveen, LLC | 223,833 | $11.2M | 0.00% | −1,754−0.8% | Reduced |
| Cetera Investment Advisers | 224,060 | $11.2M | 0.01% | +36,431+19.4% | Added |
| Susquehanna Portfolio Strategies, LLC | 229,039 | $11.4M | 0.18% | −137,962−37.6% | Reduced |
| Tectonic Advisors LLC | 241,725 | $12.1M | 0.66% | +16,962+7.5% | Added |
| Envestnet Asset Management Inc | 242,450 | $12.1M | 0.00% | −13,565−5.3% | Reduced |
| Victory Capital Management Inc | 244,604 | $12.2M | 0.01% | −1,201,141−83.1% | Reduced |
| Warren Averett Asset Management, LLC | 246,114 | $12.3M | 0.12% | −7,492−3.0% | Reduced |
| Private Capital Advisors, Inc. | 256,309 | $12.8M | 1.42% | 00.0% | Unchanged |
| Walnut Private Equity Partners, LLC | 257,500 | $12.9M | 7.28% | +15,200+6.3% | Added |
| CI Private Wealth, LLC | 281,335 | $13.8M | 0.02% | +242,266+620.1% | Added |
| Goldentree Asset Management LP | 293,069 | $14.6M | 1.21% | +40,569+16.1% | Added |
| Texas Yale Capital Corp. | 299,845 | $15.0M | 0.47% | +24,405+8.9% | Added |
| Susquehanna International Group, LLP | 340,170 | $17.0M | 0.02% | +304,120+843.6% | Added |
| Maryland State Retirement & Pension System | 349,518 | $17.5M | 0.37% | +9,143+2.7% | Added |
| Distillate Capital Partners LLC | 353,730 | $17.7M | 0.92% | −4,901−1.4% | Reduced |
| Heronetta Management, L.P. | 356,064 | $17.8M | 9.74% | 00.0% | Unchanged |
| Catalyst Capital Advisors LLC | 364,391 | $18.2M | 0.37% | −950.0% | Reduced |
| Sovereign Investment Advisors, LLC | 373,955 | $18.7M | 5.10% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 379,306 | $18.9M | 0.18% | −23,353−5.8% | Reduced |
| Oxbow Advisors, LLC | 393,420 | $19.7M | 1.83% | −9,089−2.3% | Reduced |
| Bollard Group LLC | 407,314 | $20.3M | 0.50% | +26,336+6.9% | Added |
| LPL Financial LLC | 429,854 | $21.5M | 0.01% | +26,251+6.5% | Added |
| Chicago Partners Investment Group LLC | 486,899 | $24.7M | 0.65% | +7,279+1.5% | Added |
| RR Advisors, LLC | 499,000 | $24.9M | 5.91% | 00.0% | Unchanged |
| Appaloosa LPSuperinvestorAppaloosa | 535,000 | $26.7M | 0.36% | −43,500−7.5% | Reduced |
| Americana Partners, LLC | 548,612 | $27.4M | 0.82% | +28,611+5.5% | Added |
| HighTower Advisors, LLC | 557,680 | $27.9M | 0.03% | −80,154−12.6% | Reduced |
| U.S. Capital Wealth Advisors, LLC | 578,009 | $28.9M | 0.78% | +84,151+17.0% | Added |
| BlackRock, Inc. | 583,592 | $29.2M | 0.00% | −2,001−0.3% | Reduced |
| Northside Capital Management, LLC | 590,067 | $29.5M | 2.69% | −1,989−0.3% | Reduced |
| Citigroup Inc | 606,927 | $30.3M | 0.02% | +140,697+30.2% | Added |
| Reaves W H & Co Inc | 670,500 | $33.5M | 0.60% | 00.0% | Unchanged |
| Cohen & Steers, Inc. | 691,287 | $34.5M | 0.06% | 00.0% | Unchanged |
| Wells Fargo & Company | 736,895 | $36.8M | 0.01% | −11,966−1.6% | Reduced |
| Royal Bank of Canada | 745,100 | $37.2M | 0.01% | −59,085−7.3% | Reduced |
| Longfellow Investment Management Co LLC | 766,529 | $38.3M | 9.08% | 00.0% | Unchanged |
| Jennison Associates LLC | 768,631 | $38.4M | 0.02% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 911,500 | $45.5M | 0.06% | −103,800−10.2% | Reduced |
| Deutsche Bank AG | 930,180 | $46.5M | 0.02% | −52,750−5.4% | Reduced |
| Raymond James Financial Inc | 947,948 | $47.3M | 0.02% | +39,011+4.3% | Added |
| Natixis | 973,758 | $48.6M | 0.26% | +570,000+141.2% | Added |
| Epoch Investment Partners, Inc. | 1,043,851 | $52.1M | 0.29% | −74,014−6.6% | Reduced |
| BNP Paribas Arbitrage, SA | 1,062,002 | $53.0M | 0.04% | +118,882+12.6% | Added |
| Progeny 3, Inc. | 1,082,559 | $54.1M | 2.79% | +22,100+2.1% | Added |
| Neuberger Berman Group LLC | 1,095,181 | $54.7M | 0.04% | +47,037+4.5% | Added |
| Mariner, LLC | 1,116,899 | $55.8M | 0.07% | −4170.0% | Reduced |
| Infrastructure Capital Advisors, LLC | 1,138,280 | $57.8M | 7.15% | −66,784−5.5% | Reduced |
| Barclays PLC | 1,173,400 | $58.6M | 0.02% | +31,049+2.7% | Added |
| Stifel Financial Corp | 1,417,737 | $70.8M | 0.06% | +53,743+3.9% | Added |
| AlphaCore Capital LLC | 1,577,473 | $78.8M | 2.65% | +6,140+0.4% | Added |
| FMR LLC | 1,665,583 | $83.2M | 0.00% | +242,037+17.0% | Added |
| Cushing Asset Management, LP | 1,733,800 | $86.6M | 4.92% | +18,000+1.0% | Added |
| Duff & Phelps Investment Management Co | 1,837,479 | $91.8M | 1.04% | +4,687+0.3% | Added |
| Eagle Global Advisors LLC | 1,937,055 | $96.8M | 3.71% | +17,490+0.9% | Added |
| Fractal Investments LLC | 2,051,301 | $102.5M | 14.79% | −205,202−9.1% | Reduced |
| Clearbridge Investments, LLC | 2,171,689 | $108.5M | 0.08% | +21,596+1.0% | Added |
| Westwood Holdings Group Inc. | 2,238,864 | $111.8M | 0.80% | +32,918+1.5% | Added |
| Miller Howard Investments Inc | 2,258,674 | $112.8M | 3.44% | +18,538+0.8% | Added |
| CIBC Private Wealth Group, LLC | 2,688,090 | $134.3M | 0.23% | −35,979−1.3% | Reduced |
| Brookfield Asset Management Inc. | 2,824,971 | $141.1M | 0.16% | −931,611−24.8% | Reduced |
| ING Groep NV | 4,304,300 | $215.0M | 1.16% | −258,200−5.7% | Reduced |
| Brave Warrior Advisors, LLC | 4,467,474 | $223.2M | 5.18% | +192,441+4.5% | Added |
| JPMorgan Chase & Co | 4,658,261 | $232.7M | 0.01% | −209,052−4.3% | Reduced |
| Morgan Stanley | 4,658,600 | $232.7M | 0.01% | −586,044−11.2% | Reduced |
| UBS Group AG | 5,266,463 | $263.1M | 0.05% | −1,542,786−22.7% | Reduced |
| Chickasaw Capital Management LLC | 5,611,824 | $280.3M | 11.46% | +120,216+2.2% | Added |
| Energy Income Partners, LLC | 5,659,885 | $282.7M | 5.45% | +118,090+2.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 7,060,024 | $352.6M | 0.56% | +300,321+4.4% | Added |
| Kayne Anderson Capital Advisors LP | 7,233,767 | $361.3M | 7.97% | −385,337−5.1% | Reduced |
| Bank of America Corp | 9,345,942 | $466.8M | 0.03% | −527,677−5.3% | Reduced |
| Goldman Sachs Group Inc | 13,096,229 | $654.2M | 0.09% | −1,049,561−7.4% | Reduced |
| Tortoise Capital Advisors, L.L.C. | 13,520,479 | $675.3M | 8.71% | +329,642+2.5% | Added |
| Blackstone Group Inc. | 14,017,717 | $700.2M | 2.99% | −2,925,721−17.3% | Reduced |
| Invesco Ltd. | 19,561,938 | $977.1M | 0.15% | +143,361+0.7% | Added |
| Alps Advisors Inc | 26,409,654 | $1.32B | 7.35% | +325,451+1.2% | Added |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −216,419−100.0% | Sold out |
| Corigliano Investment Advisers, LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −36,767−100.0% | Sold out |
| Anthracite Investment Company, Inc. | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Custom Index Systems, LLC | 0 | $0 | 0.00% | −19,116−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −18,680−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −16,557−100.0% | Sold out |
| McDonald Partners LLC | 0 | $0 | 0.00% | −16,248−100.0% | Sold out |
| Morningstar Investment Management LLC | 0 | $0 | 0.00% | −14,610−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −12,920−100.0% | Sold out |
| Bleakley Financial Group, LLC | 0 | $0 | 0.00% | −10,675−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −8,814−100.0% | Sold out |
| Requisite Capital Management, LLC | 0 | $0 | 0.00% | −8,698−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −7,395−100.0% | Sold out |
| Integrity Alliance, LLC. | 0 | $0 | 0.00% | −7,031−100.0% | Sold out |
| Financial Advocates Investment Management | 0 | $0 | 0.00% | −7,027−100.0% | Sold out |
| Frisch Financial Group, Inc. | 0 | $0 | 0.00% | −6,098−100.0% | Sold out |
| Douglass Winthrop Advisors, LLC | 0 | $0 | 0.00% | −5,800−100.0% | Sold out |
| Mainstay Capital Management LLC | 0 | $0 | 0.00% | −5,548−100.0% | Sold out |
| Verdence Capital Advisors LLC | 0 | $0 | 0.00% | −5,205−100.0% | Sold out |
| Nova R Wealth, Inc. | 0 | $0 | 0.00% | −4,691−100.0% | Sold out |
| Vivaldi Asset Management, LLC | 0 | $0 | 0.00% | −4,262−100.0% | Sold out |
| L.M. Kohn & Company | 0 | $0 | 0.00% | −4,236−100.0% | Sold out |
| ARK & TLK Investments, LLC | 0 | $0 | 0.00% | −4,129−100.0% | Sold out |