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, Q3 2026
Institutional positions in MPLX LP as of Sep 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 (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.
- Institutional holders
- 367
- 0 vs. Q2 2026
- Shares held
- 64.6M
- +2.27M (+3.6%) vs. Q2 2026
- Total value
- $3.64B
- +$128.8M (+3.7%) vs. Q2 2026
- New holders
- 28
- 139 more added
- Sold out
- 28
- 70 more reduced
274 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2026
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q2 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alps Advisors Inc | 30,463,695 | $1.72B | 7.86% | +1,862,103+6.5% | Added |
| Chickasaw Capital Management LLC | 5,212,185 | $293.6M | 10.53% | +4510.0% | Added |
| Bank of Montreal | 2,550,229 | $143.6M | 0.05% | +6970.0% | Added |
| Miller Howard Investments Inc | 2,317,575 | $130.5M | 3.51% | −8,234−0.4% | Reduced |
| Eagle Global Advisors LLC | 1,793,676 | $101.0M | 3.34% | −1400.0% | Reduced |
| Fractal Investments LLC | 1,668,116 | $93.9M | 10.64% | 00.0% | Unchanged |
| AlphaCore Capital LLC | 1,615,663 | $91.0M | 1.46% | +720.0% | Added |
| Duff & Phelps Investment Management Co | 1,423,467 | $80.2M | 0.83% | −195,000−12.0% | Reduced |
| Cushing Asset Management, LP | 1,330,800 | $75.0M | 3.44% | −283,800−17.6% | Reduced |
| Barclays PLC | 1,000,595 | $56.4M | 0.02% | +30,002+3.1% | Added |
| Deutsche Bank AG | 906,110 | $51.0M | 0.01% | +52,330+6.1% | Added |
| Americana Partners, LLC | 858,158 | $48.3M | 1.03% | +1,447+0.2% | Added |
| NEOS Investment Management LLC | 709,486 | $40.0M | 0.13% | +223,461+46.0% | Added |
| Reaves W H & Co Inc | 670,500 | $37.8M | 0.68% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 492,785 | $29.1M | 0.54% | +4,052+0.8% | Added |
| LPL Financial LLC | 487,817 | $27.5M | 0.01% | +17,684+3.8% | Added |
| Natixis | 483,958 | $27.3M | 0.12% | +460,000+1,920.0% | Added |
| Mizuho Markets Americas LLC | 422,800 | $23.8M | 0.39% | −152,200−26.5% | Reduced |
| Sovereign Investment Advisors, LLC | 373,955 | $21.1M | 6.26% | 00.0% | Unchanged |
| Northside Capital Management, LLC | 356,063 | $20.1M | 1.60% | −6,919−1.9% | Reduced |
| Exchange Traded Concepts, LLC | 340,459 | $19.2M | 0.08% | −28,515−7.7% | Reduced |
| Catalyst Capital Advisors LLC | 321,208 | $18.1M | 0.29% | −935−0.3% | Reduced |
| Maryland State Retirement & Pension System | 314,152 | $17.7M | 0.28% | −41,220−11.6% | Reduced |
| TrueMark Investments, LLC | 300,727 | $16.9M | 1.98% | +34,314+12.9% | Added |
| Walnut Private Equity Partners, LLC | 295,500 | $16.6M | 9.08% | +27,500+10.3% | Added |
| Tectonic Advisors LLC | 292,674 | $16.5M | 0.76% | +14,518+5.2% | Added |
| Private Capital Advisors, Inc. | 260,416 | $14.7M | 1.27% | −700.0% | Reduced |
| Citigroup Inc | 251,008 | $14.1M | 0.01% | −24,865−9.0% | Reduced |
| Deroy & Devereaux Private Investment Counsel Inc | 228,032 | $12.8M | 0.56% | +1,050+0.5% | Added |
| Adams Asset Advisors, LLC | 221,452 | $12.5M | 1.27% | 00.0% | Unchanged |
| Evergreen Capital Management LLC | 172,844 | $9.73M | 0.17% | −4,115−2.3% | Reduced |
| Hennessy Advisors Inc | 162,519 | $9.15M | 0.35% | 00.0% | Unchanged |
| Blueprint Investment Partners LLC | 160,788 | $9.06M | 0.73% | +3,818+2.4% | Added |
| Blueprint Financial Advisors LLC | 160,788 | $9.06M | 0.97% | +3,818+2.4% | Added |
| Gilman Hill Asset Management, LLC | 151,340 | $8.52M | 1.19% | −2,780−1.8% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 151,333 | $8.52M | 0.45% | +947+0.6% | Added |
| Kestra Advisory Services, LLC | 144,403 | $8.13M | 0.02% | +320.0% | Added |
| Kercheville Advisors, LLC | 134,274 | $7.56M | 2.09% | −3,383−2.5% | Reduced |
| Commonwealth Equity Services, LLC | 128,970 | $7.26M | 0.01% | −2,795−2.1% | Reduced |
| The PNC Financial Services Group, Inc. | 124,590 | $7.02M | 0.00% | +5,600+4.7% | Added |
| CoreCap Advisors, LLC | 123,372 | $6.95M | 0.20% | +17,254+16.3% | Added |
| Jefferies Financial Group Inc. | 121,125 | $6.82M | 0.09% | +121,125 | New |
| Lido Advisors, LLC | 108,007 | $6.08M | 0.02% | +4,201+4.0% | Added |
| Wealth Enhancement Advisory Services, LLC | 101,934 | $5.84M | 0.01% | +26,190+34.6% | Added |
| Cambridge Investment Research Advisors, Inc. | 100,376 | $5.65M | 0.01% | +6,974+7.5% | Added |
| Adell Harriman & Carpenter Inc | 95,120 | $5.36M | 0.26% | +3,975+4.4% | Added |
| Private Wealth Partners, LLC | 94,400 | $5.32M | 0.36% | 00.0% | Unchanged |
| TCG Advisory Services, LLC | 89,244 | $5.03M | 0.09% | +10,280+13.0% | Added |
| ELCO Management Co., LLC | 87,441 | $4.92M | 2.32% | +2,695+3.2% | Added |
| Castellan Group, LLC | 83,509 | $4.70M | 0.55% | +578+0.7% | Added |
| Asset One Wealth Management LLC | 67,702 | $3.81M | 0.33% | +58+0.1% | Added |
| Childress Capital Advisors, LLC | 67,641 | $3.81M | 0.59% | 00.0% | Unchanged |
| Fort Washington Investment Advisors Inc | 65,336 | $3.68M | 0.02% | +6,801+11.6% | Added |
| Savant Capital, LLC | 65,228 | $3.67M | 0.01% | +14,030+27.4% | Added |
| Spirit of America Management Corp | 64,647 | $3.64M | 0.68% | 00.0% | Unchanged |
| Forum Financial Management, LP | 62,300 | $3.51M | 0.05% | +80.0% | Added |
| Oppenheimer & Co Inc | 61,864 | $3.48M | 0.04% | +37,455+153.4% | Added |
| US Bancorp | 60,742 | $3.42M | 0.00% | +1,000+1.7% | Added |
| Samalin Investment Counsel, LLC | 60,593 | $3.41M | 1.09% | +860+1.4% | Added |
| Davenport & Co LLC | 59,583 | $3.36M | 0.02% | 00.0% | Unchanged |
| Pathway Financial Advisers, LLC | 57,395 | $3.23M | 0.81% | +3,856+7.2% | Added |
| Mutual of America Capital Management LLC | 54,099 | $3.05M | 0.03% | 00.0% | Unchanged |
| Williams Jones Wealth Management, LLC. | 53,481 | $3.01M | 0.03% | +750+1.4% | Added |
| GraniteShares Advisors LLC | 52,839 | $2.98M | 1.95% | +816+1.6% | Added |
| Doliver Advisors, LP | 51,548 | $2.90M | 0.64% | −200−0.4% | Reduced |
| Creative Planning | 50,829 | $2.86M | 0.00% | +176+0.3% | Added |
| Private Management Group Inc | 50,000 | $2.82M | 0.08% | 00.0% | Unchanged |
| Delta Investment Management, LLC | 49,473 | $2.79M | 0.45% | +551+1.1% | Added |
| Applied Capital LLC | 49,415 | $2.78M | 1.85% | +540+1.1% | Added |
| Howard Financial Services, Ltd. | 49,258 | $2.77M | 0.29% | +845+1.7% | Added |
| Crescent Grove Advisors, LLC | 48,487 | $2.73M | 0.23% | +3,093+6.8% | Added |
| CFM Wealth Partners LLC | 46,729 | $2.63M | 0.33% | 00.0% | Unchanged |
| Prospera Financial Services Inc | 42,390 | $2.55M | 0.03% | +7,843+22.7% | Added |
| Parkside Financial Bank & Trust | 44,312 | $2.50M | 0.17% | +1,000+2.3% | Added |
| Searle & Co. | 43,400 | $2.44M | 0.58% | −2,000−4.4% | Reduced |
| Bahl & Gaynor Inc | 39,975 | $2.25M | 0.01% | −1,250−3.0% | Reduced |
| Pekin Hardy Strauss, Inc. | 39,054 | $2.20M | 0.19% | +50.0% | Added |
| Reuter James Wealth Management, LLC | 39,048 | $2.20M | 0.29% | 00.0% | Unchanged |
| Keybank National Association | 36,970 | $2.08M | 0.01% | −4,000−9.8% | Reduced |
| Birch Capital Management, LLC | 34,880 | $1.96M | 0.92% | −747−2.1% | Reduced |
| Argyle Capital Partners, LLC | 32,820 | $1.85M | 1.14% | −857−2.5% | Reduced |
| Umb Bank N A | 32,725 | $1.84M | 0.02% | 00.0% | Unchanged |
| Obermeyer Wood Investment Counsel, LLLP | 32,346 | $1.82M | 0.07% | 00.0% | Unchanged |
| Clear Trail Advisors, LLC | 31,631 | $1.78M | 0.27% | +362+1.2% | Added |
| CWA Asset Management Group, LLC | 31,172 | $1.76M | 0.05% | 00.0% | Unchanged |
| Daymark Wealth Partners, LLC | 31,031 | $1.75M | 0.04% | −675−2.1% | Reduced |
| Apollon Wealth Management, LLC | 31,004 | $1.75M | 0.02% | −898−2.8% | Reduced |
| ORG Wealth Partners, LLC | 30,793 | $1.73M | 0.29% | +23,943+349.5% | Added |
| Geneva Partners, LLC | 30,000 | $1.69M | 0.51% | 00.0% | Unchanged |
| Fortem Financial Group, LLC | 29,941 | $1.69M | 0.35% | +751+2.6% | Added |
| ProShare Advisors LLC | 29,154 | $1.64M | 0.00% | −5,058−14.8% | Reduced |
| Outfitter Financial LLC | 27,972 | $1.58M | 1.15% | 00.0% | Unchanged |
| Allworth Financial LP | 27,479 | $1.55M | 0.01% | +1,473+5.7% | Added |
| Simplex Trading, LLC | 27,451 | $1.55M | 0.05% | +20,589+300.0% | Added |
| Brookstone Capital Management | 26,900 | $1.51M | 0.02% | +1,476+5.8% | Added |
| Security National Bank | 26,797 | $1.51M | 0.17% | +575+2.2% | Added |
| Venture Visionary Partners LLC | 26,423 | $1.49M | 0.04% | +14,746+126.3% | Added |
| Hourglass Capital, LLC | 25,872 | $1.46M | 0.30% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 25,670 | $1.45M | 0.01% | −1,385−5.1% | Reduced |
| Bokf, NA | 25,155 | $1.42M | 0.02% | +15,012+148.0% | Added |