MPLX LPMPLX
13F holders, Q1 2026 (March 31)647holders +13
71new positions
56sold out
3famous investors
$57.06avg. 13F price*
At the end of Q1 2026, 647 institutions reported holding MPLX LP (MPLX) in their 13F filings, up 13 from Q4 2025. 71 opened new positions and 56 sold out. The largest holders were Alps Advisors Inc. ($1.5B), Invesco Ltd. ($1.0B) and Blackstone Inc. ($876.1M). 3 famous investors held it, including Glenn Greenberg (4.6% of Brave Warrior Advisors's portfolio), David Tepper (0.5% of Appaloosa's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- MPLX LP
- CUSIP
- 55336V100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 71 | $31.9M |
| Exits | 56 | $52.2M |
All 13F filers, Q4 2025 → Q1 2026: 39,696,827 shares bought and 15,131,956 shares sold, net +24,564,871 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 647 holders
| Alps Advisors Inc. | 7.27% | Add +6201.9% | 27,070,962 | $1.5B |
| Invesco Ltd. | 0.10% | Add +0.4% | 18,266,606 | $1.0B |
| Blackstone Inc. | 3.59% | Reduce -2.3% | 15,350,683 | $876.1M |
| Tortoise Capital Advisors, L.L.C. | 7.88% | Reduce -0.5% | 13,260,584 | $756.8M |
| Goldman Sachs Group Inc. | 0.09% | Add +0.3% | 12,507,539 | $713.8M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.57% | Add +6.0% | 7,319,250 | $417.7M |
| Kayne Anderson Capital Advisors LP | 7.47% | Reduce -5.5% | 6,826,567 | $389.6M |
| UBS Group AG | 0.05% | Reduce -1.3% | 5,233,512 | $298.7M |
| Chickasaw Capital Management LLC | 10.54% | Reduce -3.8% | 5,222,687 | $298.1M |
| Energy Income Partners, LLC | 4.74% | Reduce -2.7% | 5,157,478 | $294.3M |
| Morgan Stanley | 0.02% | Reduce -13.9% | 4,964,199 | $283.3M |
| JPMorgan Chase & Co. | 0.02% | Add +25.8% | 4,133,666 | $238.4M |
| Bank of Montreal | 0.10% | Add +71257.7% | 4,027,427 | $229.8M |
| FMR LLC | 0.01% | Add +101.4% | 3,360,863 | $191.8M |
| Brave Warrior Advisors | 4.60% | Reduce -27.3% | 3,253,524 | $185.7M |
| CIBC Bancorp USA Inc. | 0.20% | — | 2,642,104 | $148.3M |
| Bank of America Corp. | 0.01% | Reduce -69.8% | 2,573,276 | $146.9M |
| Clearbridge Investments, LLC | 0.12% | No change | 2,343,689 | $133.8M |
| Miller Howard Investments Inc. | 3.49% | Reduce -3.3% | 2,239,694 | $127.8M |
| Westwood Holdings Group Inc. | 0.93% | Add +5211.1% | 2,236,856 | $127.7M |
| Brookfield Corp | 0.17% | Reduce -26.6% | 2,173,816 | $124.1M |
| Fractal Investments LLC | 13.85% | No change | 2,051,301 | $117.1M |
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT | 5.28% | Reduce -1.3% | 1,859,100 | $106.1M |
| Eagle Global Advisors LLC | 3.71% | Reduce -4.2% | 1,805,346 | $103.0M |
| ING Groep NV | 0.62% | Reduce -39.1% | 1,768,200 | $100.9M |
| Duff & Phelps Investment Management Co. | 0.99% | Reduce -8.9% | 1,668,467 | $95.2M |
| AlphaCore Capital LLC | 2.19% | Add +0.6% | 1,615,514 | $92.2M |
| Stifel Financial Corp. | 0.07% | Add +0.2% | 1,330,465 | $75.9M |
| BNP Paribas Financial Markets | 0.05% | Add +16.7% | 1,290,542 | $73.7M |
| Mariner, LLC | 0.08% | Reduce -0.1% | 1,152,602 | $65.8M |
| Royal Bank of Canada | 0.01% | Add +45.5% | 1,151,905 | $65.7M |
| Epoch Investment Partners, Inc. | 0.39% | Reduce -2.5% | 1,127,544 | $64.3M |
| Neuberger Berman Group LLC | 0.05% | Reduce -2.2% | 1,100,009 | $62.8M |
| Infrastructure Capital Advisors, LLC | 8.66% | Add +2.9% | 1,068,251 | $61.0M |
| Progeny 3, Inc. | 3.10% | Reduce -4.1% | 1,015,966 | $58.0M |
| Raymond James Financial Inc. | 0.02% | Add +2.3% | 977,940 | $55.8M |
| Victory Capital Management Inc. | 0.04% | Add +1401.0% | 971,477 | $55.4M |
| Cohen & Steers, Inc. | 0.09% | Add +5.6% | 929,751 | $53.1M |
| Barclays PLC | 0.02% | Reduce -3.1% | 887,228 | $50.6M |
| Deutsche Bank AG | 0.02% | No change | 853,780 | $48.7M |
| Allianz Asset Management GmbH | 0.05% | No change | 829,136 | $47.3M |
| Wells Fargo & Company | 0.01% | Add +7.5% | 805,230 | $46.0M |
| Americana Partners, LLC | 1.13% | Add +0.7% | 765,467 | $43.7M |
| Reaves W H & Co. Inc. | 0.64% | No change | 670,500 | $38.3M |
| Longfellow Investment Management Co. LLC | 6.89% | Reduce -24.4% | 579,453 | $33.1M |
| U.S. Capital Wealth Advisors, LLC | 0.83% | Reduce -0.1% | 577,581 | $33.0M |
| Jennison Associates LLC | 0.02% | Reduce -18.7% | 545,070 | $31.1M |
| Appaloosa | 0.48% | Reduce -19.9% | 502,460 | $28.7M |
| LPL Financial LLC | 0.01% | Reduce -0.5% | 476,689 | $27.2M |
| Chicago Partners Investment Group LLC | 0.61% | Add +1.5% | 486,668 | $27.1M |
| Oxbow Advisors, LLC | 2.14% | Add +7.1% | 434,012 | $24.8M |
| Bollard Group LLC | 0.71% | Add +14.8% | 405,728 | $23.2M |
| Exchange Traded Concepts, LLC | 0.18% | Reduce -27.7% | 403,877 | $23.0M |
| Sovereign Investment Advisors, LLC | 4.52% | Add +0.5% | 373,955 | $21.3M |
| HighTower Advisors, LLC | 0.02% | Reduce -0.8% | 363,678 | $20.8M |
| Northside Capital Management, LLC | 1.81% | Reduce -38.6% | 362,108 | $20.7M |
| Goldentree Asset Management LP | 1.17% | Reduce -18.9% | 344,686 | $19.7M |
| Maryland State Retirement & Pension System | 0.39% | Reduce -4.3% | 339,111 | $19.4M |
| Corient Private Wealth LP | 0.03% | Add +20.6% | 337,721 | $19.3M |
| Nuveen, LLC | 0.01% | Add +70.6% | 336,834 | $19.2M |
| NEOS Investment Management LLC | 0.10% | Add +1130.9% | 333,984 | $19.1M |
| Heronetta Management, L.P. | 16.88% | Add +0.1% | 324,039 | $18.5M |
| Jump Financial, LLC | 0.30% | Add +7.1% | 322,233 | $18.4M |
| Texas Yale Capital Corp. | 0.51% | Add +1.8% | 317,120 | $18.1M |
| Catalyst Capital Advisors LLC | 0.30% | Add +1.3% | 278,599 | $15.9M |
| Walnut Private Equity Partners, LLC | 8.39% | Add +3.5% | 266,500 | $15.2M |
| Tectonic Advisors LLC | 0.79% | Add +3.9% | 262,635 | $15.0M |
| Private Capital Advisors, Inc. | 1.69% | Add +0.4% | 257,752 | $14.7M |
| Susquehanna Portfolio Strategies, LLC | 0.21% | Reduce -10.5% | 253,188 | $14.4M |
| Envestnet Asset Management Inc. | 0.00% | Add +10.9% | 248,810 | $14.2M |
| Waverly Advisors, LLC | 0.10% | Reduce -2.2% | 240,925 | $13.7M |
| Rockefeller Capital Management L.P. | 0.02% | Add +24.5% | 235,546 | $13.4M |
| TrueMark Investments, LLC | 2.58% | Add +6.3% | 231,817 | $13.2M |
| Opal Capital LLC | 2.34% | Add +5.3% | 231,535 | $13.2M |
| &partners | 0.07% | Add +6.3% | 230,542 | $13.2M |
| Deroy & Devereaux Private Investment Counsel Inc. | 0.63% | No change | 227,482 | $13.0M |
| Citigroup Inc. | 0.01% | Reduce -52.2% | 221,856 | $12.7M |
| Empirical Finance, LLC | 0.58% | Add +86.6% | 217,494 | $12.4M |
| Empowered Funds, LLC | 0.08% | Add +65.4% | 217,494 | $12.4M |
| Adams Asset Advisors, LLC | 1.42% | Add +3.1% | 216,096 | $12.3M |
| RR Advisors, LLC | 3.39% | Add +2.3% | 214,194 | $12.2M |
| Sequoia Financial Advisors, LLC | 0.06% | Add +2.7% | 200,244 | $11.4M |
| Cetera Investment Advisers | 0.01% | Reduce -0.7% | 199,111 | $11.4M |
| United Capital Financial Advisors, LLC | 0.07% | Add +8.9% | 187,804 | $10.7M |
| Avenir Corp. | 1.30% | No change | 186,892 | $10.7M |
| Evergreen Capital Management LLC | 0.23% | Reduce -2.9% | 183,994 | $10.5M |
| Glenmede Trust Co. NA | 0.05% | No change | 175,835 | $10.0M |
| Advisors Asset Management, Inc. | 0.16% | Add +3.5% | 163,380 | $9.3M |
| Hennessy Advisors Inc. | 0.33% | Reduce -8.0% | 162,519 | $9.3M |
| Parkwood LLC | 0.82% | Reduce -4.9% | 161,615 | $9.2M |
| Advisors Capital Management, LLC | 0.11% | Add +1.7% | 156,972 | $9.0M |
| Gilman Hill Asset Management, LLC | 1.33% | Add +8.5% | 154,975 | $8.8M |
| Blueprint Financial Advisors LLC | 1.30% | Add +0.7% | 153,993 | $8.8M |
| Stephens Inc. | 0.11% | Add +10.2% | 151,660 | $8.7M |
| Blueprint Investment Partners LLC | 0.88% | Add +0.7% | 151,993 | $8.7M |
| Turtle Creek Wealth Advisors, LLC | 0.63% | No change | 146,090 | $8.3M |
| Cresset Asset Management, LLC | 0.04% | Add +41.3% | 142,013 | $8.1M |
| BlackRock, Inc. | 0.00% | Reduce -0.3% | 141,239 | $8.1M |
| Kestra Advisory Services, LLC | 0.03% | Add +6.0% | 138,561 | $7.9M |
| Kercheville Advisors, LLC | 2.47% | Add +3.0% | 135,336 | $7.7M |
"% of holder's portfolio" is MPLX's weight in each manager's 13F, not the share of MPLX LP the manager owns.