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, Q3 2021
Institutional positions in MPLX LP as of Sep 30, 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
- 311
- +16 vs. Q2 2021
- Shares held
- 263.8M
- −13.1M (−4.7%) vs. Q2 2021
- Total value
- $7.51B
- −$680.2M (−8.3%) vs. Q2 2021
- New holders
- 36
- 97 more added
- Sold out
- 20
- 100 more reduced
6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| First Republic Investment Management, Inc. | 69,160 | $1.97M | 0.00% | +8,590+14.2% | Added |
| Walnut Private Equity Partners, LLC | 70,500 | $2.01M | 1.00% | −15,500−18.0% | Reduced |
| Uniplan Investment Counsel, Inc. | 70,984 | $2.02M | 0.12% | −220,593−75.7% | Reduced |
| U.S. Capital Wealth Advisors, LLC | 71,022 | $2.02M | 0.09% | +71,022 | New |
| Jane Street Group, LLC | 71,706 | $2.04M | 0.01% | +64,399+881.3% | Added |
| Teacher Retirement System of Texas | 71,782 | $2.04M | 0.01% | +4,966+7.4% | Added |
| Rockefeller Capital Management L.P. | 79,182 | $2.25M | 0.01% | −11,023−12.2% | Reduced |
| Pinnacle Holdings, LLC | 79,147 | $2.25M | 0.99% | +90+0.1% | Added |
| Granby Capital Management, LLC | 80,000 | $2.28M | 1.95% | +40,039+100.2% | Added |
| The PNC Financial Services Group, Inc. | 81,142 | $2.31M | 0.00% | −24,181−23.0% | Reduced |
| Advisor Group Holdings, Inc. | 82,015 | $2.34M | 0.00% | +9,766+13.5% | Added |
| BlackRock Inc. | 85,512 | $2.43M | 0.00% | −1,114−1.3% | Reduced |
| Silvercrest Asset Management Group LLC | 88,802 | $2.53M | 0.02% | +1,425+1.6% | Added |
| PPM America Inc | 89,400 | $2.54M | 1.19% | +89,400 | New |
| ELCO Management Co., LLC | 92,076 | $2.62M | 2.02% | −1,050−1.1% | Reduced |
| Fort Washington Investment Advisors Inc | 93,518 | $2.66M | 0.02% | +8,600+10.1% | Added |
| Oppenheimer & Co Inc | 94,930 | $2.70M | 0.05% | −15,237−13.8% | Reduced |
| Dividend Assets Capital, LLC | 98,028 | $2.79M | 0.56% | +600+0.6% | Added |
| NBW Capital LLC | 99,835 | $2.84M | 0.68% | +715+0.7% | Added |
| Jump Financial, LLC | 99,874 | $2.84M | 0.21% | +99,874 | New |
| Cresset Asset Management, LLC | 101,187 | $2.88M | 0.04% | +51,615+104.1% | Added |
| Advisors Asset Management, Inc. | 102,894 | $2.93M | 0.04% | −4,257−4.0% | Reduced |
| Lido Advisors, LLC | 112,555 | $3.20M | 0.07% | +21,636+23.8% | Added |
| BNP Paribas Arbitrage, SA | 116,662 | $3.32M | 0.01% | +23,078+24.7% | Added |
| HRT Financial LP | 120,709 | $3.44M | 0.02% | +120,709 | New |
| Texas Yale Capital Corp. | 120,983 | $3.44M | 0.20% | +2,000+1.7% | Added |
| LPL Financial LLC | 122,639 | $3.49M | 0.00% | +14,622+13.5% | Added |
| Arch Capital Group Ltd | 123,397 | $3.51M | 0.45% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 131,020 | $3.73M | 0.00% | −15,526−10.6% | Reduced |
| Cincinnati Insurance Co | 145,463 | $4.14M | 0.08% | 00.0% | Unchanged |
| Kercheville Advisors, LLC | 145,876 | $4.15M | 1.97% | +23,978+19.7% | Added |
| Advisors Capital Management, LLC | 147,948 | $4.21M | 0.13% | +3,455+2.4% | Added |
| First Trust Advisors LP | 148,275 | $4.22M | 0.00% | −7,044−4.5% | Reduced |
| Deroy & Devereaux Private Investment Counsel Inc | 156,160 | $4.45M | 0.35% | +17,350+12.5% | Added |
| Citadel Advisors LLC | 157,153 | $4.47M | 0.00% | +101,317+181.5% | Added |
| Morningstar Investment Management LLC | 167,093 | $4.80M | 0.80% | −5,064−2.9% | Reduced |
| Karpas Strategies, LLC | 154,028 | $4.81M | 1.59% | +700+0.5% | Added |
| Adams Asset Advisors, LLC | 175,583 | $5.00M | 1.01% | 00.0% | Unchanged |
| Intrinsic Edge Capital Management LLC | 180,000 | $5.13M | 0.36% | +30,000+20.0% | Added |
| Progeny 3, Inc. | 181,945 | $5.18M | 1.29% | +181,945 | New |
| Credit Suisse AG | 182,032 | $5.18M | 0.00% | +159,207+697.5% | Added |
| Marshall Wace North America L.P. | 190,062 | $5.41M | 0.02% | −71,807−27.4% | Reduced |
| Bollard Group LLC | 191,733 | $5.46M | 0.18% | +21,065+12.3% | Added |
| Evergreen Capital Management LLC | 196,081 | $5.58M | 0.25% | −3,815−1.9% | Reduced |
| Northern Trust Corp | 202,435 | $5.76M | 0.00% | −92,330−31.3% | Reduced |
| Securian Asset Management, Inc | 210,659 | $6.00M | 0.12% | +15,900+8.2% | Added |
| Avenir Corp | 227,497 | $6.48M | 0.54% | −1,300−0.6% | Reduced |
| Apollo Management Holdings, L.P. | 241,474 | $6.88M | 0.03% | 00.0% | Unchanged |
| Americana Partners, LLC | 247,640 | $7.05M | 1.70% | +87,305+54.5% | Added |
| Castleark Management LLC | 250,162 | $7.12M | 0.27% | −9,880−3.8% | Reduced |
| CastleArk Alternatives, LLC | 250,162 | $7.12M | 0.27% | +250,162 | New |
| Tortoise Index Solutions, LLC | 273,808 | $7.79M | 1.85% | −30,795−10.1% | Reduced |
| Vident Investment Advisory, LLC | 275,190 | $7.83M | 0.24% | −29,413−9.7% | Reduced |
| Chiron Investment Management, LLC | 278,654 | $7.93M | 1.26% | +278,654 | New |
| Raymond James & Associates | 332,275 | $9.46M | 0.01% | +12,370+3.9% | Added |
| FMR LLC | 338,986 | $9.65M | 0.00% | +26,593+8.5% | Added |
| Wellington Management Group LLP | 368,375 | $10.5M | 0.00% | −85,061−18.8% | Reduced |
| Sovereign Investment Advisors, LLC | 373,955 | $10.6M | 4.25% | 00.0% | Unchanged |
| Oxbow Advisors, LLC | 382,199 | $10.9M | 1.11% | +45,975+13.7% | Added |
| Raymond James Financial Services Advisors, Inc. | 387,593 | $11.0M | 0.02% | +1,601+0.4% | Added |
| Northeast Financial Consultants Inc | 401,978 | $11.4M | 0.76% | −2,180−0.5% | Reduced |
| Heronetta Management, L.P. | 412,637 | $11.7M | 9.05% | +11,700+2.9% | Added |
| Chicago Partners Investment Group LLC | 386,017 | $12.0M | 0.84% | +5,902+1.6% | Added |
| HighTower Advisors, LLC | 472,743 | $13.5M | 0.04% | +25,581+5.7% | Added |
| Royal Bank of Canada | 475,506 | $13.5M | 0.00% | +15,616+3.4% | Added |
| Spirit of America Management Corp | 519,516 | $14.8M | 3.18% | −32,450−5.9% | Reduced |
| Appaloosa LPSuperinvestorAppaloosa | 519,706 | $14.8M | 0.35% | −27,300−5.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 578,570 | $16.5M | 0.19% | −1,948,918−77.1% | Reduced |
| Allianz Asset Management GmbH | 660,100 | $18.8M | 0.02% | +35,800+5.7% | Added |
| RR Advisors, LLC | 667,000 | $19.0M | 3.77% | +667,000 | New |
| Cohen & Steers, Inc. | 691,399 | $19.7M | 0.04% | −543,241−44.0% | Reduced |
| Neuberger Berman Group LLC | 704,607 | $20.1M | 0.02% | −15,701−2.2% | Reduced |
| Beach Investment Counsel Inc | 715,863 | $20.4M | 1.93% | −3,480−0.5% | Reduced |
| Bank of Montreal | 714,206 | $20.6M | 0.01% | +132,516+22.8% | Added |
| Stifel Financial Corp | 868,147 | $24.7M | 0.04% | −69,094−7.4% | Reduced |
| State of New Jersey Common Pension Fund D | 947,006 | $27.0M | 0.08% | −231,900−19.7% | Reduced |
| Jennison Associates LLC | 971,558 | $27.7M | 0.02% | −9,507−1.0% | Reduced |
| Wells Fargo & Company | 985,068 | $28.0M | 0.01% | −85,308−8.0% | Reduced |
| Amundi | 1,070,216 | $30.5M | 0.02% | +4,315+0.4% | Added |
| Mariner, LLC | 1,297,772 | $36.9M | 0.19% | +17,112+1.3% | Added |
| Longfellow Investment Management Co LLC | 1,452,447 | $41.4M | 6.76% | 00.0% | Unchanged |
| Eagle Global Advisors LLC | 1,540,400 | $43.9M | 2.90% | −64,006−4.0% | Reduced |
| Barclays PLC | 1,597,296 | $45.5M | 0.03% | +46,195+3.0% | Added |
| Zimmer Partners, LP | 1,631,770 | $46.5M | 0.74% | −97,784−5.7% | Reduced |
| Cushing Asset Management, LP | 1,663,268 | $47.4M | 4.69% | −63,966−3.7% | Reduced |
| Duff & Phelps Investment Management Co | 1,775,961 | $50.6M | 0.66% | −5,477−0.3% | Reduced |
| Infrastructure Capital Advisors, LLC | 1,724,714 | $51.9M | 8.12% | −180,298−9.5% | Reduced |
| Delphi Financial Group, Inc. | 1,977,030 | $56.3M | 16.57% | −48,010−2.4% | Reduced |
| TPG Group Holdings (SBS) Advisors, Inc. | 2,069,650 | $58.9M | 0.58% | −141,932−6.4% | Reduced |
| Citigroup Inc | 2,200,491 | $62.6M | 0.06% | −515,675−19.0% | Reduced |
| Miller Howard Investments Inc | 2,286,432 | $65.1M | 2.69% | −60,331−2.6% | Reduced |
| Natixis | 2,475,999 | $70.5M | 0.24% | +848,900+52.2% | Added |
| ING Groep NV | 3,084,000 | $87.8M | 1.13% | +261,000+9.2% | Added |
| Deutsche Bank AG | 3,226,772 | $91.9M | 0.04% | −582,115−15.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 3,770,730 | $107.4M | 0.27% | −4,275−0.1% | Reduced |
| Salient Capital Advisors, LLC | 4,577,019 | $130.3M | 6.65% | −1,204,772−20.8% | Reduced |
| UBS Group AG | 4,852,096 | $138.1M | 0.06% | −241,654−4.7% | Reduced |
| Clearbridge Investments, LLC | 4,882,255 | $139.0M | 0.10% | −39,190−0.8% | Reduced |
| JPMorgan Chase & Co | 5,033,776 | $143.3M | 0.02% | −240,686−4.6% | Reduced |
| Morgan Stanley | 5,068,215 | $144.3M | 0.02% | −169,967−3.2% | Reduced |