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 |
|---|---|---|---|---|---|
| Barclays PLC | 915,691 | $48.9M | 0.02% | −257,709−22.0% | Reduced |
| Raymond James Financial Inc | 955,698 | $51.0M | 0.02% | +7,750+0.8% | Added |
| Infrastructure Capital Advisors, LLC | 1,037,984 | $55.4M | 6.10% | −100,296−8.8% | Reduced |
| Progeny 3, Inc. | 1,058,959 | $56.5M | 3.04% | −23,600−2.2% | Reduced |
| BNP Paribas Arbitrage, SA | 1,106,127 | $59.0M | 0.04% | +44,125+4.2% | Added |
| Neuberger Berman Group LLC | 1,124,270 | $60.0M | 0.04% | +29,089+2.7% | Added |
| Mariner, LLC | 1,153,276 | $61.6M | 0.07% | +36,377+3.3% | Added |
| Epoch Investment Partners, Inc. | 1,156,589 | $61.7M | 0.35% | +112,738+10.8% | Added |
| Stifel Financial Corp | 1,328,139 | $70.9M | 0.06% | −89,598−6.3% | Reduced |
| AlphaCore Capital LLC | 1,606,602 | $85.7M | 1.92% | +29,129+1.8% | Added |
| FMR LLC | 1,668,643 | $89.1M | 0.00% | +3,060+0.2% | Added |
| Duff & Phelps Investment Management Co | 1,832,003 | $97.8M | 1.11% | −5,476−0.3% | Reduced |
| Cushing Asset Management, LP | 1,883,800 | $100.5M | 5.77% | +150,000+8.7% | Added |
| Eagle Global Advisors LLC | 1,884,585 | $100.6M | 3.72% | −52,470−2.7% | Reduced |
| Fractal Investments LLC | 2,051,301 | $109.5M | 15.29% | 00.0% | Unchanged |
| Miller Howard Investments Inc | 2,315,921 | $123.6M | 3.73% | +57,247+2.5% | Added |
| Clearbridge Investments, LLC | 2,343,689 | $125.1M | 0.10% | +172,000+7.9% | Added |
| CIBC Private Wealth Group, LLC | 2,724,200 | $145.4M | 0.25% | +36,110+1.3% | Added |
| ING Groep NV | 2,903,800 | $155.0M | 0.93% | −1,400,500−32.5% | Reduced |
| Brookfield Asset Management Inc. | 2,959,830 | $158.0M | 0.20% | +134,859+4.8% | Added |
| JPMorgan Chase & Co | 3,286,142 | $175.4M | 0.01% | −1,372,119−29.5% | Reduced |
| Brave Warrior Advisors, LLC | 4,474,115 | $238.8M | 5.59% | +6,641+0.1% | Added |
| Energy Income Partners, LLC | 5,299,724 | $282.8M | 5.12% | −360,161−6.4% | Reduced |
| UBS Group AG | 5,304,746 | $283.1M | 0.06% | +38,283+0.7% | Added |
| Chickasaw Capital Management LLC | 5,429,906 | $289.8M | 11.94% | −181,918−3.2% | Reduced |
| Morgan Stanley | 5,763,110 | $307.6M | 0.02% | +1,104,510+23.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 6,908,382 | $368.7M | 0.55% | −151,642−2.1% | Reduced |
| Kayne Anderson Capital Advisors LP | 7,227,400 | $385.7M | 8.76% | −6,367−0.1% | Reduced |
| Bank of America Corp | 8,531,066 | $455.3M | 0.03% | −814,876−8.7% | Reduced |
| Goldman Sachs Group Inc | 12,466,987 | $665.4M | 0.09% | −629,242−4.8% | Reduced |
| Tortoise Capital Advisors, L.L.C. | 13,319,918 | $710.9M | 9.05% | −200,561−1.5% | Reduced |
| Blackstone Group Inc. | 15,705,485 | $838.2M | 3.64% | +1,687,768+12.0% | Added |
| Invesco Ltd. | 18,187,878 | $970.7M | 0.09% | −1,374,060−7.0% | Reduced |
| Distillate Capital Partners LLC | 0 | $0 | 0.00% | −353,730−100.0% | Sold out |
| Granby Capital Management, LLC | 0 | $0 | 0.00% | −140,000−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −51,611−100.0% | Sold out |
| Strategic Financial Concepts, LLC | 0 | $0 | 0.00% | −18,899−100.0% | Sold out |
| Centaurus Financial, Inc. | 0 | $0 | 0.00% | −14,023−100.0% | Sold out |
| Penn Mutual Asset Management, LLC | 0 | $0 | 0.00% | −13,970−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −12,521−100.0% | Sold out |
| Aire Advisors, LLC | 0 | $0 | 0.00% | −9,825−100.0% | Sold out |
| Regions Financial Corp | 0 | $0 | 0.00% | −9,000−100.0% | Sold out |
| IFG Advisory, LLC | 0 | $0 | 0.00% | −8,838−100.0% | Sold out |
| Hilton Capital Management, LLC | 0 | $0 | 0.00% | −7,085−100.0% | Sold out |
| SCP Investment, LP | 0 | $0 | 0.00% | −6,800−100.0% | Sold out |
| Cannon Advisors, Inc. | 0 | $0 | 0.00% | −6,554−100.0% | Sold out |
| Kovitz Investment Group Partners, LLC | 0 | $0 | 0.00% | −6,487−100.0% | Sold out |
| Mather Group, LLC. | 0 | $0 | 0.00% | −6,110−100.0% | Sold out |
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −5,578−100.0% | Sold out |
| Integrity Financial Corp | 0 | $0 | 0.00% | −5,447−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −4,772−100.0% | Sold out |
| Williamson Legacy Group, LLC | 0 | $0 | 0.00% | −4,371−100.0% | Sold out |
| Blue Square Asset Management, LLC | 0 | $0 | 0.00% | −4,268−100.0% | Sold out |
| Kingswood Wealth Advisors, LLC | 0 | $0 | 0.00% | −4,098−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −2,946−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −2,179−100.0% | Sold out |
| JFS Wealth Advisors, LLC | 0 | $0 | 0.00% | −1,620−100.0% | Sold out |
| Montag A & Associates Inc | 0 | $0 | 0.00% | −1,421−100.0% | Sold out |
| MCF Advisors LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Clear Investment Research, LLC | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Rossby Financial, LCC | 0 | $0 | 0.00% | −621−100.0% | Sold out |
| Operose Advisors LLC | 0 | $0 | 0.00% | −585−100.0% | Sold out |
| Mark Sheptoff Financial Planning, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Cloud Capital Management, LLC | 0 | $0 | 0.00% | −135−100.0% | Sold out |
| JPL Wealth Management, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Glenmede Investment Management, LP | – | – | – | – | Not filed |
| Wolverine Trading, LLC | – | – | – | – | Not filed |
| Creekmur Asset Management LLC | – | – | – | – | Not filed |
| MAS Advisors LLC | – | – | – | – | Not filed |
| Pinnacle Financial Partners Inc | – | – | – | – | Not filed |
| Country Club Bank | – | – | – | – | Not filed |
| Sonora Investment Management Group, LLC | – | – | – | – | Not filed |
| Cobblestone Capital Advisors LLC | – | – | – | – | Not filed |
| FSA Wealth Management LLC | – | – | – | – | Not filed |
| Optimum Investment Advisors | – | – | – | – | Not filed |