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 2021
Institutional positions in MPLX LP as of Dec 31, 2021. 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
- 341
- +36 vs. Q3 2021
- Shares held
- 252.6M
- −8.84M (−3.4%) vs. Q3 2021
- Total value
- $7.48B
- +$31.7M (+0.4%) vs. Q3 2021
- New holders
- 62
- 109 more added
- Sold out
- 26
- 100 more reduced
6 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Appaloosa LPSuperinvestorAppaloosa | 519,706 | $15.4M | 0.40% | 00.0% | Unchanged |
| Chiron Investment Management, LLC | 539,782 | $16.0M | 1.82% | +261,128+93.7% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 553,539 | $16.4M | 0.17% | −25,031−4.3% | Reduced |
| Allianz Asset Management GmbH | 660,100 | $19.5M | 0.01% | 00.0% | Unchanged |
| Mariner, LLC | 694,258 | $20.5M | 0.09% | −603,514−46.5% | Reduced |
| Cohen & Steers, Inc. | 706,011 | $20.9M | 0.03% | +14,612+2.1% | Added |
| Energy Income Partners, LLC | 870,000 | $25.7M | 0.61% | +870,000 | New |
| Stifel Financial Corp | 933,964 | $27.6M | 0.04% | +65,817+7.6% | Added |
| Jennison Associates LLC | 940,691 | $27.8M | 0.02% | −30,867−3.2% | Reduced |
| Wells Fargo & Company | 1,007,495 | $29.8M | 0.01% | +22,427+2.3% | Added |
| Bank of Montreal | 1,024,106 | $29.8M | 0.02% | +309,900+43.4% | Added |
| Fractal Investments LLC | 1,191,039 | $35.2M | 12.18% | +1,191,039 | New |
| Eagle Global Advisors LLC | 1,455,145 | $43.1M | 2.71% | −85,255−5.5% | Reduced |
| Longfellow Investment Management Co LLC | 1,526,165 | $45.2M | 7.34% | +73,718+5.1% | Added |
| Cushing Asset Management, LP | 1,561,388 | $46.2M | 4.68% | −101,880−6.1% | Reduced |
| Infrastructure Capital Advisors, LLC | 1,721,473 | $50.9M | 12.39% | −3,241−0.2% | Reduced |
| Citigroup Inc | 1,740,804 | $51.5M | 0.05% | −459,687−20.9% | Reduced |
| Amundi | 1,642,962 | $51.6M | 0.03% | +572,746+53.5% | Added |
| Duff & Phelps Investment Management Co | 1,852,846 | $54.8M | 0.64% | +76,885+4.3% | Added |
| Delphi Financial Group, Inc. | 2,046,079 | $60.5M | 18.49% | +69,049+3.5% | Added |
| TPG GP A, LLC | 2,071,416 | $61.3M | 0.61% | +2,071,416 | New |
| Natixis | 2,330,100 | $68.9M | 0.24% | −145,899−5.9% | Reduced |
| Miller Howard Investments Inc | 2,431,522 | $71.9M | 2.66% | +145,090+6.3% | Added |
| ING Groep NV | 2,732,500 | $80.9M | 0.72% | −351,500−11.4% | Reduced |
| JPMorgan Chase & Co | 2,749,548 | $81.4M | 0.01% | −2,284,228−45.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 3,956,716 | $117.1M | 0.25% | +185,986+4.9% | Added |
| Brookfield Asset Management Inc. | 4,097,668 | $121.3M | 0.47% | −3,808,732−48.2% | Reduced |
| Salient Capital Advisors, LLC | 4,668,843 | $138.2M | 6.97% | +91,824+2.0% | Added |
| Deutsche Bank AG | 4,757,478 | $140.8M | 0.06% | +1,530,706+47.4% | Added |
| UBS Group AG | 4,838,883 | $143.2M | 0.06% | −13,213−0.3% | Reduced |
| Clearbridge Investments, LLC | 4,947,475 | $146.4M | 0.10% | +65,220+1.3% | Added |
| Morgan Stanley | 5,546,624 | $164.1M | 0.02% | +478,409+9.4% | Added |
| CIBC Private Wealth Group, LLC | 6,543,582 | $193.6M | 0.40% | −681,242−9.4% | Reduced |
| Kayne Anderson Capital Advisors LP | 7,471,097 | $221.1M | 6.70% | −78,500−1.0% | Reduced |
| Chickasaw Capital Management LLC | 7,568,181 | $223.9M | 11.37% | −143,276−1.9% | Reduced |
| Bank of America Corp | 12,008,217 | $355.3M | 0.04% | −1,449,918−10.8% | Reduced |
| Goldman Sachs Group Inc | 14,475,655 | $428.3M | 0.10% | +170,707+1.2% | Added |
| Tortoise Capital Advisors, L.L.C. | 14,723,466 | $435.7M | 6.58% | −1,434,489−8.9% | Reduced |
| Alps Advisors Inc | 17,153,426 | $507.6M | 5.71% | −417,804−2.4% | Reduced |
| Invesco Ltd. | 20,369,875 | $602.7M | 0.15% | −408,763−2.0% | Reduced |
| Blackstone Group Inc. | 66,127,749 | $1.96B | 4.91% | −612,543−0.9% | Reduced |
| Zimmer Partners, LP | 0 | $0 | 0.00% | −1,631,770−100.0% | Sold out |
| Beach Investment Counsel Inc | 0 | $0 | 0.00% | −715,863−100.0% | Sold out |
| CastleArk Alternatives, LLC | 0 | $0 | 0.00% | −250,162−100.0% | Sold out |
| Intrinsic Edge Capital Management LLC | 0 | $0 | 0.00% | −180,000−100.0% | Sold out |
| Arch Capital Group Ltd | 0 | $0 | 0.00% | −123,397−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −120,709−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −99,874−100.0% | Sold out |
| Stableford Capital II LLC | 0 | $0 | 0.00% | −59,663−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −51,123−100.0% | Sold out |
| Geneva Partners, LLC | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −37,163−100.0% | Sold out |
| Formidable Asset Management, LLC | 0 | $0 | 0.00% | −16,696−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −14,135−100.0% | Sold out |
| McDonald Partners LLC | 0 | $0 | 0.00% | −14,077−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −13,337−100.0% | Sold out |
| Goodwin Daniel L | 0 | $0 | 0.00% | −13,300−100.0% | Sold out |
| BBR Partners, LLC | 0 | $0 | 0.00% | −10,209−100.0% | Sold out |
| Icon Wealth Partners, LLC | 0 | $0 | 0.00% | −8,455−100.0% | Sold out |
| FDx Advisors, Inc. | 0 | $0 | 0.00% | −8,341−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −5,350−100.0% | Sold out |
| Pacitti Group Inc. | 0 | $0 | 0.00% | −3,347−100.0% | Sold out |
| Capital Advisory Group Advisory Services, LLC | 0 | $0 | 0.00% | −850−100.0% | Sold out |
| HHM Wealth Advisors, LLC | 0 | $0 | 0.00% | −218−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −82−100.0% | Sold out |
| Jacobi Capital Management LLC | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| Center for Financial Planning, Inc. | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| TPG Group Holdings (SBS) Advisors, Inc. | – | – | – | – | Not filed |
| Marshall Wace North America L.P. | – | – | – | – | Not filed |
| Homrich & Berg | – | – | – | – | Not filed |
| Cardan Capital Partners, LLC | – | – | – | – | Not filed |
| Sonora Investment Management, LLC | – | – | – | – | Not filed |
| Green Harvest Asset Management LLC | – | – | – | – | Not filed |