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, 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
- 633
- +67 vs. Q3 2025
- Shares held
- 178.3M
- −31.5M (−15.0%) vs. Q3 2025
- Total value
- $9.52B
- −$965.4M (−9.2%) vs. Q3 2025
- New holders
- 99
- 230 more added
- Sold out
- 32
- 134 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 | 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, 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 |
|---|---|---|---|---|---|
| Moneta Group Investment Advisors LLC | 66,588 | $3.55M | 0.03% | −10,023−13.1% | Reduced |
| Militia Capital Partners, LP | 67,000 | $3.58M | 1.35% | 00.0% | Unchanged |
| Childress Capital Advisors, LLC | 67,641 | $3.61M | 0.58% | 00.0% | Unchanged |
| Basso Capital Management, L.P. | 71,200 | $3.80M | 2.26% | 00.0% | Unchanged |
| Dividend Assets Capital, LLC | 71,318 | $3.81M | 0.73% | +2,826+4.1% | Added |
| Castellan Group, LLC | 71,444 | $3.81M | 0.48% | +3,414+5.0% | Added |
| Cerity Partners LLC | 74,284 | $3.96M | 0.01% | −1,887−2.5% | Reduced |
| Prevail Innovative Wealth Advisors, LLC | 75,091 | $4.01M | 0.72% | +17,042+29.4% | Added |
| First Trust Advisors LP | 75,243 | $4.02M | 0.00% | −45,717−37.8% | Reduced |
| Fort Washington Investment Advisors Inc | 76,557 | $4.09M | 0.02% | +56,729+286.1% | Added |
| Captrust Financial Advisors | 80,413 | $4.29M | 0.01% | +3,578+4.7% | Added |
| Pinnacle Holdings, LLC | 80,850 | $4.31M | 1.46% | −573−0.7% | Reduced |
| Mercer Global Advisors Inc | 83,210 | $4.44M | 0.01% | +639+0.8% | Added |
| GWM Advisors LLC | 86,625 | $4.62M | 0.02% | +6,385+8.0% | Added |
| PPM America Inc | 87,200 | $4.65M | 42.59% | 00.0% | Unchanged |
| FourThought Financial Partners, LLC | 87,244 | $4.66M | 0.39% | +4,806+5.8% | Added |
| Adell Harriman & Carpenter Inc | 87,670 | $4.68M | 0.28% | +3,275+3.9% | Added |
| Spirit of America Management Corp | 90,397 | $4.82M | 1.02% | −18,000−16.6% | Reduced |
| CoreCap Advisors, LLC | 93,590 | $4.99M | 0.17% | +10,180+12.2% | Added |
| Private Wealth Partners, LLC | 94,400 | $5.04M | 0.36% | +7,600+8.8% | Added |
| Brown Advisory Inc | 99,305 | $5.30M | 0.01% | +11,883+13.6% | Added |
| Objectivity Squared, LLC | 99,312 | $5.30M | 2.96% | +1,999+2.1% | Added |
| Wexford Capital LP | 99,945 | $5.33M | 1.37% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 100,536 | $5.37M | 0.02% | +11,506+12.9% | Added |
| Bridges Investment Management Inc | 103,351 | $5.52M | 0.07% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 107,756 | $5.75M | 0.01% | +32,452+43.1% | Added |
| The PNC Financial Services Group, Inc. | 114,423 | $6.11M | 0.00% | +1,400+1.2% | Added |
| Empirical Finance, LLC | 116,567 | $6.22M | 0.30% | +31,500+37.0% | Added |
| Kestra Advisory Services, LLC | 130,695 | $6.98M | 0.03% | +768+0.6% | Added |
| Empowered Funds, LLC | 131,474 | $7.02M | 0.12% | +34,671+35.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 134,640 | $7.03M | 0.01% | +13,418+11.1% | Added |
| Evercore Wealth Management, LLC | 132,053 | $7.05M | 0.10% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 136,187 | $7.27M | 0.10% | +107,812+380.0% | Added |
| Kercheville Advisors, LLC | 131,336 | $7.30M | 1.91% | −3,453−2.6% | Reduced |
| Stephens Inc | 137,665 | $7.35M | 0.09% | +7,388+5.7% | Added |
| BlackRock, Inc. | 141,610 | $7.56M | 0.00% | −441,982−75.7% | Reduced |
| Norden Group LLC | 142,300 | $7.59M | 0.74% | +142,300 | New |
| Gilman Hill Asset Management, LLC | 142,821 | $7.62M | 1.20% | +2,500+1.8% | Added |
| Turtle Creek Wealth Advisors, LLC | 146,090 | $7.80M | 0.61% | +2,589+1.8% | Added |
| Susquehanna International Group, LLP | 148,049 | $7.90M | 0.01% | −192,121−56.5% | Reduced |
| Advisor Group Holdings, Inc. | 150,746 | $8.05M | 0.01% | +18,579+14.1% | Added |
| Blueprint Investment Partners LLC | 150,998 | $8.06M | 0.86% | −4,853−3.1% | Reduced |
| Blueprint Financial Advisors LLC | 152,998 | $8.17M | 1.25% | −4,853−3.1% | Reduced |
| Advisors Capital Management, LLC | 154,299 | $8.23M | 0.10% | +1,297+0.8% | Added |
| Jane Street Group, LLC | 156,208 | $8.34M | 0.01% | −37,301−19.3% | Reduced |
| Commonwealth Equity Services, LLC | 157,189 | $8.39M | 0.01% | +34,769+28.4% | Added |
| Advisors Asset Management, Inc. | 157,932 | $8.43M | 0.14% | +8,565+5.7% | Added |
| Cambridge Investment Research Advisors, Inc. | 159,677 | $8.52M | 0.02% | +74,974+88.5% | Added |
| Parkwood LLC | 169,976 | $9.07M | 0.77% | +3,161+1.9% | Added |
| United Capital Financial Advisers, LLC | 172,520 | $9.21M | 0.06% | +166,445+2,739.8% | Added |
| Glenmede Trust Co NA | 175,835 | $9.38M | 0.04% | +175,835 | New |
| Hennessy Advisors Inc | 176,549 | $9.42M | 0.33% | −3,000−1.7% | Reduced |
| Avenir Corp | 186,892 | $9.97M | 1.08% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 189,137 | $10.1M | 0.02% | −663−0.3% | Reduced |
| Evergreen Capital Management LLC | 189,494 | $10.1M | 0.23% | +2,550+1.4% | Added |
| Sequoia Financial Advisors, LLC | 195,035 | $10.4M | 0.06% | −1,592−0.8% | Reduced |
| Nuveen, LLC | 197,417 | $10.5M | 0.00% | −26,416−11.8% | Reduced |
| Cetera Investment Advisers | 200,517 | $10.7M | 0.01% | −23,543−10.5% | Reduced |
| RR Advisors, LLC | 209,438 | $11.2M | 3.49% | −289,562−58.0% | Reduced |
| Adams Asset Advisors, LLC | 209,589 | $11.2M | 1.47% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 216,960 | $11.6M | 0.06% | +102,358+89.3% | Added |
| TrueMark Investments, LLC | 218,032 | $11.6M | 2.22% | +15,551+7.7% | Added |
| Opal Capital LLC | 219,789 | $11.7M | 2.94% | +219,789 | New |
| Envestnet Asset Management Inc | 224,310 | $12.0M | 0.00% | −18,140−7.5% | Reduced |
| Deroy & Devereaux Private Investment Counsel Inc | 227,482 | $12.1M | 0.59% | +9,100+4.2% | Added |
| Citadel Advisors LLC | 236,462 | $12.6M | 0.01% | +236,462 | New |
| Warren Averett Asset Management, LLC | 246,265 | $13.1M | 0.11% | +151+0.1% | Added |
| Tectonic Advisors LLC | 252,688 | $13.5M | 0.71% | +10,963+4.5% | Added |
| Private Capital Advisors, Inc. | 256,752 | $13.7M | 1.40% | +443+0.2% | Added |
| Walnut Private Equity Partners, LLC | 257,500 | $13.7M | 7.99% | 00.0% | Unchanged |
| Catalyst Capital Advisors LLC | 274,980 | $14.7M | 0.30% | −89,411−24.5% | Reduced |
| CI Private Wealth, LLC | 280,102 | $14.9M | 0.02% | −1,233−0.4% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 282,768 | $15.1M | 0.23% | +53,729+23.5% | Added |
| Jump Financial, LLC | 300,765 | $16.1M | 0.20% | +97,465+47.9% | Added |
| Texas Yale Capital Corp. | 311,445 | $16.6M | 0.50% | +11,600+3.9% | Added |
| Heronetta Management, L.P. | 323,639 | $17.3M | 9.99% | −32,425−9.1% | Reduced |
| HRT Financial LP | 339,005 | $18.1M | 0.06% | +136,634+67.5% | Added |
| Bollard Group LLC | 353,420 | $18.9M | 0.50% | −53,894−13.2% | Reduced |
| Maryland State Retirement & Pension System | 354,526 | $18.9M | 0.39% | +5,008+1.4% | Added |
| HighTower Advisors, LLC | 366,713 | $19.6M | 0.02% | −190,967−34.2% | Reduced |
| Sovereign Investment Advisors, LLC | 372,208 | $19.9M | 4.97% | −1,747−0.5% | Reduced |
| Oxbow Advisors, LLC | 405,174 | $21.6M | 1.90% | +11,754+3.0% | Added |
| Goldentree Asset Management LP | 424,886 | $22.7M | 1.23% | +131,817+45.0% | Added |
| Alps Advisors Inc | 429,566 | $22.9M | 0.13% | −25,980,088−98.4% | Reduced |
| Citigroup Inc | 463,865 | $24.8M | 0.02% | −143,062−23.6% | Reduced |
| LPL Financial LLC | 478,898 | $25.6M | 0.01% | +49,044+11.4% | Added |
| Chicago Partners Investment Group LLC | 479,604 | $26.5M | 0.65% | −7,295−1.5% | Reduced |
| Exchange Traded Concepts, LLC | 558,737 | $29.8M | 0.25% | +179,431+47.3% | Added |
| U.S. Capital Wealth Advisors, LLC | 578,421 | $30.9M | 0.81% | +412+0.1% | Added |
| Northside Capital Management, LLC | 590,080 | $31.5M | 2.74% | +130.0% | Added |
| Appaloosa LPSuperinvestorAppaloosa | 627,500 | $33.5M | 0.49% | +92,500+17.3% | Added |
| Jennison Associates LLC | 670,327 | $35.8M | 0.02% | −98,304−12.8% | Reduced |
| Reaves W H & Co Inc | 670,500 | $35.8M | 0.63% | 00.0% | Unchanged |
| Wells Fargo & Company | 748,670 | $40.0M | 0.01% | +11,775+1.6% | Added |
| Americana Partners, LLC | 760,306 | $40.6M | 1.11% | +211,694+38.6% | Added |
| Longfellow Investment Management Co LLC | 766,529 | $40.9M | 9.23% | 00.0% | Unchanged |
| Royal Bank of Canada | 791,478 | $42.2M | 0.01% | +46,378+6.2% | Added |
| Allianz Asset Management GmbH | 829,136 | $44.3M | 0.05% | −82,364−9.0% | Reduced |
| Deutsche Bank AG | 853,780 | $45.6M | 0.01% | −76,400−8.2% | Reduced |
| Cohen & Steers, Inc. | 880,593 | $47.0M | 0.08% | +189,306+27.4% | Added |