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 2025
Institutional positions in MPLX LP as of Sep 30, 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
- 576
- +9 vs. Q2 2025
- Shares held
- 210.1M
- −6.52M (−3.0%) vs. Q2 2025
- Total value
- $10.5B
- −$645.3M (−5.8%) vs. Q2 2025
- New holders
- 54
- 221 more added
- Sold out
- 45
- 123 more reduced
8 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mountain Hill Investment Partners Corp. | 2 | $103 | 0.00% | 00.0% | Unchanged |
| DHJJ Financial Advisors, Ltd. | 10 | $500 | 0.00% | +10 | New |
| Abound Wealth Management | 16 | $817 | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 20 | $999 | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 23 | $1.15K | 0.00% | −67−74.4% | Reduced |
| Plante Moran Financial Advisors, LLC | 25 | $1.25K | 0.00% | 00.0% | Unchanged |
| Wealth Preservation Advisors, LLC | 40 | $2.00K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 87 | $4.00K | 0.00% | 00.0% | Unchanged |
| Center for Financial Planning, Inc. | 85 | $4.25K | 0.00% | 00.0% | Unchanged |
| Kozak & Associates, Inc. | 94 | $4.95K | 0.00% | +4+4.4% | Added |
| Optimum Investment Advisors | 100 | $5.00K | 0.00% | 00.0% | Unchanged |
| Grove Bank & Trust | 100 | $5.00K | 0.00% | 00.0% | Unchanged |
| Measured Wealth Private Client Group, LLC | 100 | $5.00K | 0.00% | +100 | New |
| Strategic Investment Solutions, Inc. | 100 | $5.00K | 0.00% | +100 | New |
| JPL Wealth Management, LLC | 100 | $5.00K | 0.00% | +100 | New |
| Costello Asset Management, INC | 104 | $5.20K | 0.00% | 00.0% | Unchanged |
| Cloud Capital Management, LLC | 135 | $6.00K | 0.00% | +135 | New |
| Ronald Blue Trust, Inc. | 125 | $6.24K | 0.00% | −484−79.5% | Reduced |
| Vision Financial Markets LLC | 128 | $6.36K | 0.01% | +3+2.4% | Added |
| Atlantic Union Bankshares Corp | 194 | $9.69K | 0.00% | +194 | New |
| Country Trust Bank | 200 | $9.99K | 0.00% | −100−33.3% | Reduced |
| Mark Sheptoff Financial Planning, LLC | 200 | $9.99K | 0.00% | 00.0% | Unchanged |
| HHM Wealth Advisors, LLC | 200 | $9.99K | 0.00% | +200 | New |
| Financial Network Wealth Advisors LLC | 208 | $10.4K | 0.01% | +1+0.5% | Added |
| Darwin Advisors, LLC | 240 | $12.0K | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 280 | $14.0K | 0.00% | +280 | New |
| Key Financial Inc | 300 | $14.9K | 0.00% | +300 | New |
| Wolff Wiese Magana LLC | 317 | $15.8K | 0.01% | +113+55.4% | Added |
| C M Bidwell & Associates Ltd | 326 | $16.3K | 0.01% | −326−50.0% | Reduced |
| Archer Investment Corp | 341 | $17.0K | 0.00% | +7+2.1% | Added |
| Assetmark, Inc | 341 | $17.0K | 0.00% | 00.0% | Unchanged |
| Concord Wealth Partners | 389 | $19.4K | 0.00% | 00.0% | Unchanged |
| Pacifica Partners Inc. | 400 | $19.9K | 0.01% | 00.0% | Unchanged |
| Wellington Shields & Co., LLC | 400 | $20.0K | 0.01% | +400 | New |
| Ramirez Asset Management, Inc. | 450 | $22.5K | 0.00% | 00.0% | Unchanged |
| Trust Co of Vermont | 500 | $25.0K | 0.00% | 00.0% | Unchanged |
| Private Wealth Asset Management, LLC | 500 | $25.0K | 0.00% | 00.0% | Unchanged |
| Solstein Capital, LLC | 500 | $25.0K | 0.01% | +500 | New |
| FSA Wealth Management LLC | 532 | $26.6K | 0.01% | 00.0% | Unchanged |
| Operose Advisors LLC | 585 | $29.2K | 0.01% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 613 | $30.6K | 0.00% | −266−30.3% | Reduced |
| Rossby Financial, LCC | 621 | $30.9K | 0.01% | 00.0% | Unchanged |
| Caldwell Trust Co | 635 | $31.7K | 0.00% | 00.0% | Unchanged |
| Chilton Capital Management LLC | 650 | $32.5K | 0.00% | −195−23.1% | Reduced |
| VSM Wealth Advisory, LLC | 686 | $34.3K | 0.01% | −303−30.6% | Reduced |
| Tanglewood Legacy Advisors, LLC | 696 | $34.8K | 0.01% | 00.0% | Unchanged |
| Clear Investment Research, LLC | 700 | $35.0K | 0.05% | 00.0% | Unchanged |
| Trust Co of Toledo NA | 750 | $37.5K | 0.00% | 00.0% | Unchanged |
| Wiser Advisor Group LLC | 755 | $37.7K | 0.05% | +755 | New |
| Root Financial Partners, LLC | 778 | $38.9K | 0.00% | +778 | New |
| Quent Capital, LLC | 847 | $42.3K | 0.00% | +847 | New |
| Harbor Investment Advisory, LLC | 1,000 | $50.0K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 1,000 | $50.0K | 0.00% | 00.0% | Unchanged |
| WFA of San Diego, LLC | 1,000 | $50.0K | 0.03% | 00.0% | Unchanged |
| Atlantic Private Wealth, LLC | 1,000 | $50.0K | 0.03% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 1,009 | $50.4K | 0.01% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 1,135 | $56.7K | 0.00% | 00.0% | Unchanged |
| Heritage Wealth Advisors | 1,208 | $60.3K | 0.00% | +7+0.6% | Added |
| Trust Co | 1,235 | $61.7K | 0.01% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 1,243 | $62.1K | 0.02% | 00.0% | Unchanged |
| Creative Financial Designs Inc | 1,260 | $62.9K | 0.00% | 00.0% | Unchanged |
| First Horizon Corp | 1,315 | $65.7K | 0.00% | +1,315 | New |
| McIlrath & Eck, LLC | 1,377 | $68.8K | 0.01% | +1,377 | New |
| Avalon Trust Co | 1,387 | $69.3K | 0.00% | 00.0% | Unchanged |
| Montag A & Associates Inc | 1,421 | $71.0K | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 1,457 | $72.8K | 0.00% | 00.0% | Unchanged |
| Citizens National Bank Trust Department | 1,465 | $73.2K | 0.01% | 00.0% | Unchanged |
| Fifth Third Bancorp | 1,499 | $74.9K | 0.00% | −1,666−52.6% | Reduced |
| HM Payson & Co | 1,563 | $78.1K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 1,620 | $80.9K | 0.00% | +1,620 | New |
| Russell Investments Group, Ltd. | 1,623 | $81.1K | 0.00% | 00.0% | Unchanged |
| Gen-Wealth Partners Inc | 1,755 | $87.7K | 0.03% | +1,625+1,250.0% | Added |
| Cary Street Partner Investment Advisory LLC | 1,800 | $89.9K | 0.04% | +1,800 | New |
| Anfield Capital Management, LLC | 1,801 | $90.0K | 0.03% | −1,800−50.0% | Reduced |
| Private Trust Co NA | 2,000 | $99.9K | 0.01% | 00.0% | Unchanged |
| Crewe Advisors LLC | 2,167 | $108.3K | 0.01% | +40+1.9% | Added |
| Principal Securities, Inc. | 2,179 | $108.8K | 0.00% | −240−9.9% | Reduced |
| American National Bank | 2,180 | $108.9K | 0.01% | +2,116+3,306.3% | Added |
| Proffitt & Goodson Inc | 2,205 | $110.1K | 0.02% | −69−3.0% | Reduced |
| SG Americas Securities, LLC | 2,461 | $123.0K | 0.00% | +2,461 | New |
| Boyd Watterson Asset Management LLC | 2,465 | $123.1K | 0.04% | 00.0% | Unchanged |
| Smithfield Trust Co | 2,725 | $135.0K | 0.01% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 2,828 | $141.0K | 0.02% | +52+1.9% | Added |
| Cedar Wealth Management, LLC | 2,843 | $142.0K | 0.04% | +543+23.6% | Added |
| Ameritas Advisory Services, LLC | 2,946 | $147.1K | 0.01% | −2,105−41.7% | Reduced |
| Ulland Investment Advisors, LLC | 3,000 | $150.0K | 0.11% | −1,000−25.0% | Reduced |
| Nemes Rush Group LLC | 3,133 | $156.5K | 0.02% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 3,227 | $161.2K | 0.00% | +2,897+877.9% | Added |
| Ancora Advisors, LLC | 3,277 | $163.7K | 0.00% | +300+10.1% | Added |
| Arlington Trust Co LLC | 3,400 | $169.8K | 0.03% | +100+3.0% | Added |
| SOA Wealth Advisors, LLC. | 3,440 | $171.8K | 0.03% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 3,450 | $172.3K | 0.05% | +111+3.3% | Added |
| Colonial Trust Co | 3,492 | $174.4K | 0.02% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 3,738 | $180.5K | 0.01% | +507+15.7% | Added |
| Global Retirement Partners, LLC | 3,631 | $181.4K | 0.00% | +2,120+140.3% | Added |
| Adirondack Trust Co | 3,700 | $184.8K | 0.06% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,938 | $196.7K | 0.01% | +3,904+11,482.4% | Added |
| Huntington National Bank | 3,965 | $198.1K | 0.00% | −100−2.5% | Reduced |
| Welch & Forbes LLC | 4,029 | $201.2K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 4,038 | $201.7K | 0.00% | +8+0.2% | Added |