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, Q2 2026
Institutional positions in MPLX LP as of Jun 30, 2026. 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
Q3 2026 data is still coming in: 367 institutions have reported holding MPLX so far. See Q3 2026
- Institutional holders
- 641
- 0 vs. Q1 2026
- Shares held
- 196.3M
- −5.77M (−2.9%) vs. Q1 2026
- Total value
- $11.1B
- −$473.5M (−4.1%) vs. Q1 2026
- New holders
- 57
- 245 more added
- Sold out
- 57
- 149 more reduced
7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alps Advisors Inc | 28,601,592 | $1.61B | 7.55% | +1,530,630+5.7% | Added |
| Invesco Ltd. | 18,273,448 | $1.03B | 0.08% | +6,8420.0% | Added |
| Blackstone Group Inc. | 12,956,943 | $729.9M | 1.99% | −2,393,740−15.6% | Reduced |
| Goldman Sachs Group Inc | 11,329,340 | $638.2M | 0.07% | −1,178,199−9.4% | Reduced |
| Tortoise Capital Advisors, L.L.C. | 10,500,469 | $591.5M | 6.01% | −2,760,115−20.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 8,011,582 | $451.3M | 0.54% | +692,332+9.5% | Added |
| Kayne Anderson Capital Advisors LP | 5,862,925 | $330.3M | 6.48% | −963,642−14.1% | Reduced |
| Energy Income Partners, LLC | 5,380,295 | $303.1M | 4.77% | +222,817+4.3% | Added |
| Morgan Stanley | 5,275,829 | $297.2M | 0.02% | +311,630+6.3% | Added |
| UBS Group AG | 5,259,274 | $296.3M | 0.05% | +25,762+0.5% | Added |
| Chickasaw Capital Management LLC | 5,211,734 | $293.6M | 10.56% | −10,953−0.2% | Reduced |
| FMR LLC | 3,920,887 | $220.9M | 0.01% | +560,024+16.7% | Added |
| JPMorgan Chase & Co | 3,428,352 | $192.7M | 0.01% | −705,314−17.1% | Reduced |
| Brave Warrior Advisors, LLC | 3,180,534 | $179.2M | 3.90% | −72,990−2.2% | Reduced |
| CIBC Bancorp USA Inc. | 2,988,109 | $168.3M | 0.21% | +346,005+13.1% | Added |
| Bank of Montreal | 2,549,532 | $143.6M | 0.05% | −1,477,895−36.7% | Reduced |
| Clearbridge Investments, LLC | 2,343,689 | $132.0M | 0.11% | 00.0% | Unchanged |
| Miller Howard Investments Inc | 2,325,809 | $131.0M | 3.48% | +86,115+3.8% | Added |
| Westwood Holdings Group Inc. | 2,113,845 | $119.1M | 0.90% | −123,011−5.5% | Reduced |
| Bank of America Corp | 2,070,457 | $116.6M | 0.01% | −502,819−19.5% | Reduced |
| Eagle Global Advisors LLC | 1,793,816 | $101.0M | 3.35% | −11,530−0.6% | Reduced |
| Fractal Investments LLC | 1,668,116 | $94.0M | 10.84% | −383,185−18.7% | Reduced |
| Royal Bank of Canada | 1,635,550 | $92.1M | 0.02% | +483,645+42.0% | Added |
| Duff & Phelps Investment Management Co | 1,618,467 | $91.2M | 0.86% | −50,000−3.0% | Reduced |
| AlphaCore Capital LLC | 1,615,591 | $91.0M | 1.67% | +770.0% | Added |
| Cushing Asset Management, LP | 1,614,600 | $91.0M | 4.07% | −244,500−13.2% | Reduced |
| Brookfield Asset Management Inc. | 1,356,028 | $76.4M | 0.10% | −817,788−37.6% | Reduced |
| BNP Paribas Arbitrage, SA | 1,313,107 | $74.0M | 0.04% | +22,565+1.7% | Added |
| Stifel Financial Corp | 1,306,287 | $73.6M | 0.06% | −24,178−1.8% | Reduced |
| ING Groep NV | 1,239,600 | $69.8M | 0.34% | −528,600−29.9% | Reduced |
| Cohen & Steers, Inc. | 1,178,658 | $66.4M | 0.10% | +248,907+26.8% | Added |
| Mariner, LLC | 1,143,271 | $64.4M | 0.07% | −9,331−0.8% | Reduced |
| Epoch Investment Partners, Inc. | 1,046,028 | $58.9M | 0.34% | −81,516−7.2% | Reduced |
| Progeny 3, Inc. | 1,015,966 | $57.2M | 2.95% | 00.0% | Unchanged |
| Barclays PLC | 970,593 | $54.7M | 0.02% | +83,365+9.4% | Added |
| Infrastructure Capital Advisors, LLC | 936,785 | $52.8M | 4.12% | −131,466−12.3% | Reduced |
| Raymond James Financial Inc | 922,179 | $51.9M | 0.01% | −55,761−5.7% | Reduced |
| Victory Capital Management Inc | 872,763 | $49.2M | 0.03% | −98,714−10.2% | Reduced |
| Wells Fargo & Company | 863,077 | $48.6M | 0.01% | +57,847+7.2% | Added |
| Americana Partners, LLC | 856,711 | $48.3M | 1.09% | +91,244+11.9% | Added |
| Deutsche Bank AG | 853,780 | $48.1M | 0.01% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 829,136 | $46.7M | 0.04% | 00.0% | Unchanged |
| HRT Financial LP | 821,049 | $46.2M | 0.08% | +748,114+1,025.7% | Added |
| Neuberger Berman Group LLC | 749,837 | $42.2M | 0.03% | −350,172−31.8% | Reduced |
| Reaves W H & Co Inc | 670,500 | $37.8M | 0.57% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 596,042 | $33.6M | 0.22% | +594,312+34,353.3% | Added |
| Longfellow Investment Management Co LLC | 579,453 | $32.6M | 6.67% | 00.0% | Unchanged |
| Mizuho Markets Americas LLC | 575,000 | $32.4M | 0.58% | +575,000 | New |
| Recurrent Investment Advisors LLC | 544,714 | $30.7M | 1.90% | +544,714 | New |
| Appaloosa LPSuperinvestorAppaloosa | 502,460 | $28.3M | 0.38% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 488,733 | $28.1M | 0.56% | +2,065+0.4% | Added |
| NEOS Investment Management LLC | 486,025 | $27.4M | 0.10% | +152,041+45.5% | Added |
| LPL Financial LLC | 470,133 | $26.5M | 0.01% | −6,556−1.4% | Reduced |
| Jennison Associates LLC | 441,796 | $24.9M | 0.01% | −103,274−18.9% | Reduced |
| Oxbow Advisors, LLC | 440,557 | $24.8M | 2.02% | +6,545+1.5% | Added |
| Bollard Group LLC | 431,910 | $24.3M | 0.74% | +26,182+6.5% | Added |
| Sovereign Investment Advisors, LLC | 373,955 | $21.1M | 3.95% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 368,974 | $20.8M | 0.10% | −34,903−8.6% | Reduced |
| HighTower Advisors, LLC | 365,716 | $20.6M | 0.02% | +2,038+0.6% | Added |
| Northside Capital Management, LLC | 362,982 | $20.4M | 1.67% | +874+0.2% | Added |
| Maryland State Retirement & Pension System | 355,372 | $20.0M | 0.34% | +16,261+4.8% | Added |
| CI Private Wealth, LLC | 348,098 | $19.6M | 0.03% | +10,377+3.1% | Added |
| Texas Yale Capital Corp. | 344,263 | $19.4M | 0.42% | +27,143+8.6% | Added |
| Nuveen, LLC | 341,636 | $19.2M | 0.00% | +4,802+1.4% | Added |
| Heronetta Management, L.P. | 324,039 | $18.3M | 16.76% | 00.0% | Unchanged |
| Catalyst Capital Advisors LLC | 322,143 | $18.1M | 0.30% | +43,544+15.6% | Added |
| Tectonic Advisors LLC | 278,156 | $15.7M | 0.75% | +15,521+5.9% | Added |
| Walnut Private Equity Partners, LLC | 268,000 | $15.7M | 8.46% | +1,500+0.6% | Added |
| Citigroup Inc | 275,873 | $15.5M | 0.01% | +54,017+24.3% | Added |
| TrueMark Investments, LLC | 266,413 | $15.0M | 1.88% | +34,596+14.9% | Added |
| Opal Capital LLC | 266,131 | $15.0M | 2.68% | +34,596+14.9% | Added |
| Private Capital Advisors, Inc. | 260,486 | $14.7M | 1.29% | +2,734+1.1% | Added |
| Rockefeller Capital Management L.P. | 258,931 | $14.6M | 0.02% | +23,385+9.9% | Added |
| Envestnet Asset Management Inc | 255,507 | $14.4M | 0.00% | +6,697+2.7% | Added |
| Warren Averett Asset Management, LLC | 239,612 | $13.5M | 0.08% | −1,313−0.5% | Reduced |
| Deroy & Devereaux Private Investment Counsel Inc | 226,982 | $12.8M | 0.53% | −500−0.2% | Reduced |
| Adams Asset Advisors, LLC | 221,452 | $12.5M | 1.41% | +5,356+2.5% | Added |
| Wiley Bros.-Aintree Capital, LLC | 219,845 | $12.4M | 0.05% | −10,697−4.6% | Reduced |
| RR Advisors, LLC | 214,194 | $12.1M | 3.49% | 00.0% | Unchanged |
| Stephens Inc | 211,656 | $11.9M | 0.13% | +59,996+39.6% | Added |
| Citadel Advisors LLC | 209,147 | $11.8M | 0.01% | +203,901+3,886.8% | Added |
| Sequoia Financial Advisors, LLC | 203,936 | $11.5M | 0.06% | +3,692+1.8% | Added |
| Cetera Investment Advisers | 194,602 | $11.0M | 0.01% | −4,509−2.3% | Reduced |
| United Capital Financial Advisers, LLC | 187,586 | $10.6M | 0.06% | −218−0.1% | Reduced |
| Susquehanna International Group, LLP | 186,814 | $10.5M | 0.01% | +142,107+317.9% | Added |
| Avenir Corp | 185,366 | $10.4M | 1.27% | −1,526−0.8% | Reduced |
| Evergreen Capital Management LLC | 176,959 | $9.97M | 0.18% | −7,035−3.8% | Reduced |
| Advisors Asset Management, Inc. | 168,520 | $9.49M | 0.14% | +5,140+3.1% | Added |
| Empirical Finance, LLC | 164,540 | $9.27M | 0.39% | −52,954−24.3% | Reduced |
| Empowered Funds, LLC | 164,540 | $9.27M | 0.05% | −52,954−24.3% | Reduced |
| Hennessy Advisors Inc | 162,519 | $9.15M | 0.29% | 00.0% | Unchanged |
| Advisors Capital Management, LLC | 157,815 | $8.89M | 0.09% | +843+0.5% | Added |
| Blueprint Financial Advisors LLC | 156,970 | $8.84M | 0.98% | +2,977+1.9% | Added |
| Blueprint Investment Partners LLC | 156,970 | $8.84M | 0.74% | +4,977+3.3% | Added |
| Susquehanna Portfolio Strategies, LLC | 155,979 | $8.79M | 0.14% | −97,209−38.4% | Reduced |
| Gilman Hill Asset Management, LLC | 154,120 | $8.68M | 1.19% | −855−0.6% | Reduced |
| Glenmede Trust Co NA | 152,650 | $8.60M | 0.04% | −23,185−13.2% | Reduced |
| Evercore Wealth Management, LLC | 152,053 | $8.57M | 0.12% | +20,000+15.1% | Added |
| Turtle Creek Wealth Advisors, LLC | 150,386 | $8.47M | 0.45% | +4,296+2.9% | Added |
| Kestra Advisory Services, LLC | 144,371 | $8.13M | 0.03% | +5,810+4.2% | Added |