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 |
|---|---|---|---|---|---|
| Mountain Hill Investment Partners Corp. | 2 | $112 | 0.00% | 00.0% | Unchanged |
| DHJJ Financial Advisors, Ltd. | 10 | $534 | 0.00% | 00.0% | Unchanged |
| Gunpowder Capital Management, LLC dba Oliver Wealth Management | 14 | $747 | 0.00% | +14 | New |
| Abound Wealth Management | 16 | $873 | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 20 | $1.07K | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 23 | $1.23K | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 26 | $1.36K | 0.00% | +1+4.0% | Added |
| Rialto Wealth Management, LLC | 55 | $2.94K | 0.00% | +55 | New |
| Penserra Capital Management LLC | 63 | $3.00K | 0.00% | −24−27.6% | Reduced |
| Wealth Preservation Advisors, LLC | 80 | $4.27K | 0.00% | +40+100.0% | Added |
| Center for Financial Planning, Inc. | 85 | $4.54K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 91 | $4.86K | 0.00% | −3,847−97.7% | Reduced |
| Kozak & Associates, Inc. | 94 | $4.97K | 0.00% | 00.0% | Unchanged |
| Grove Bank & Trust | 100 | $5.34K | 0.00% | 00.0% | Unchanged |
| Measured Wealth Private Client Group, LLC | 100 | $5.34K | 0.00% | 00.0% | Unchanged |
| Strategic Investment Solutions, Inc. | 100 | $5.34K | 0.00% | 00.0% | Unchanged |
| DV Trading LLC | 100 | $5.34K | 0.00% | +100 | New |
| Bullseye Investment Management, LLC | 100 | $5.34K | 0.00% | +100 | New |
| Costello Asset Management, INC | 104 | $5.55K | 0.00% | 00.0% | Unchanged |
| Strengthening Families & Communities, LLC | 126 | $6.72K | 0.00% | +126 | New |
| Vision Financial Markets LLC | 130 | $6.94K | 0.01% | +2+1.6% | Added |
| Atlantic Union Bankshares Corp | 194 | $10.4K | 0.00% | 00.0% | Unchanged |
| Country Trust Bank | 200 | $10.7K | 0.00% | 00.0% | Unchanged |
| HHM Wealth Advisors, LLC | 200 | $10.7K | 0.00% | 00.0% | Unchanged |
| Cape Investment Advisory, Inc. | 200 | $10.7K | 0.00% | +200 | New |
| Financial Network Wealth Advisors LLC | 209 | $11.2K | 0.01% | +1+0.5% | Added |
| Bravera Wealth | 227 | $12.1K | 0.01% | +227 | New |
| Darwin Advisors, LLC | 240 | $12.8K | 0.00% | 00.0% | Unchanged |
| Curio Wealth, LLC | 263 | $14.2K | 0.01% | +263 | New |
| Sunbelt Securities, Inc. | 284 | $15.2K | 0.00% | +4+1.4% | Added |
| Key Financial Inc | 300 | $16.0K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 308 | $16.4K | 0.00% | −33−9.7% | Reduced |
| Wolff Wiese Magana LLC | 317 | $16.9K | 0.01% | 00.0% | Unchanged |
| C M Bidwell & Associates Ltd | 326 | $17.4K | 0.01% | 00.0% | Unchanged |
| Ares Financial Consulting, LLC | 341 | $18.2K | 0.02% | +341 | New |
| Archer Investment Corp | 348 | $18.6K | 0.00% | +7+2.1% | Added |
| Concord Wealth Partners | 389 | $20.8K | 0.00% | 00.0% | Unchanged |
| Wellington Shields & Co., LLC | 400 | $21.3K | 0.01% | 00.0% | Unchanged |
| Pacifica Partners Inc. | 400 | $21.5K | 0.01% | 00.0% | Unchanged |
| Ramirez Asset Management, Inc. | 450 | $24.0K | 0.00% | 00.0% | Unchanged |
| Trust Co of Vermont | 500 | $26.7K | 0.00% | 00.0% | Unchanged |
| Solstein Capital, LLC | 500 | $26.7K | 0.01% | 00.0% | Unchanged |
| Private Wealth Asset Management, LLC | 500 | $26.7K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 528 | $28.2K | 0.00% | −85−13.9% | Reduced |
| Merited Wealth, LLC | 545 | $29.1K | 0.03% | +545 | New |
| Eq Wealth Advisors, LLC | 594 | $31.7K | 0.02% | +594 | New |
| Caldwell Trust Co | 635 | $33.9K | 0.00% | 00.0% | Unchanged |
| Chilton Capital Management LLC | 650 | $34.7K | 0.00% | 00.0% | Unchanged |
| VSM Wealth Advisory, LLC | 695 | $37.1K | 0.01% | +9+1.3% | Added |
| Tanglewood Legacy Advisors, LLC | 696 | $37.1K | 0.01% | 00.0% | Unchanged |
| Trust Co of Toledo NA | 750 | $40.0K | 0.00% | 00.0% | Unchanged |
| Wiser Advisor Group LLC | 771 | $41.2K | 0.05% | +16+2.1% | Added |
| Root Financial Partners, LLC | 778 | $41.5K | 0.00% | 00.0% | Unchanged |
| Prosperity Bancshares Inc | 812 | $43.3K | 0.04% | +812 | New |
| Quent Capital, LLC | 847 | $45.2K | 0.00% | 00.0% | Unchanged |
| Groesbeck Investment Management Corp | 910 | $49.0K | 0.09% | +910 | New |
| SageView Advisory Group, LLC | 948 | $50.6K | 0.00% | +948 | New |
| Signature Equity Partners, LLC | 981 | $52.4K | 0.03% | +981 | New |
| Vision Retirement, LLC | 998 | $53.3K | 0.01% | +998 | New |
| Harbor Investment Advisory, LLC | 1,000 | $53.4K | 0.00% | 00.0% | Unchanged |
| WFA of San Diego, LLC | 1,000 | $53.4K | 0.04% | 00.0% | Unchanged |
| Atlantic Private Wealth, LLC | 1,000 | $53.4K | 0.03% | 00.0% | Unchanged |
| Brandywine Financial Group | 1,000 | $53.4K | 0.12% | +1,000 | New |
| Fortitude Family Office, LLC | 1,009 | $53.9K | 0.01% | 00.0% | Unchanged |
| 1 North Wealth Services LLC | 1,040 | $55.5K | 0.02% | +1,040 | New |
| Activest Wealth Management | 1,045 | $55.8K | 0.01% | +1,045 | New |
| Geneos Wealth Management Inc. | 1,135 | $60.6K | 0.00% | 00.0% | Unchanged |
| Trust Co | 1,235 | $65.9K | 0.01% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 1,243 | $66.3K | 0.02% | 00.0% | Unchanged |
| Creative Financial Designs Inc | 1,260 | $67.2K | 0.00% | 00.0% | Unchanged |
| First Horizon Corp | 1,315 | $70.2K | 0.00% | 00.0% | Unchanged |
| McIlrath & Eck, LLC | 1,377 | $73.5K | 0.01% | 00.0% | Unchanged |
| Avalon Trust Co | 1,387 | $74.0K | 0.00% | 00.0% | Unchanged |
| Heritage Wealth Advisors | 1,452 | $77.5K | 0.00% | +244+20.2% | Added |
| Central Trust Co | 1,457 | $77.8K | 0.00% | 00.0% | Unchanged |
| Citizens National Bank Trust Department | 1,465 | $78.2K | 0.01% | 00.0% | Unchanged |
| Fifth Third Bancorp | 1,499 | $80.0K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 1,560 | $83.3K | 0.00% | +1,435+1,148.0% | Added |
| HM Payson & Co | 1,563 | $83.4K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 1,624 | $86.7K | 0.00% | +1+0.1% | Added |
| Garton & Associates Financial Advisors LLC | 1,632 | $87.1K | 0.05% | +1,632 | New |
| Cary Street Partner Investment Advisory LLC | 1,800 | $96.1K | 0.03% | 00.0% | Unchanged |
| Anfield Capital Management, LLC | 1,801 | $96.1K | 0.03% | 00.0% | Unchanged |
| Private Trust Co NA | 2,000 | $106.7K | 0.01% | 00.0% | Unchanged |
| Flagship Harbor Advisors, LLC | 2,050 | $109.4K | 0.01% | +2,050 | New |
| Ritter Daniher Financial Advisory LLC | 2,133 | $113.8K | 0.02% | +2,133 | New |
| Crewe Advisors LLC | 2,211 | $118.0K | 0.01% | +44+2.0% | Added |
| Proffitt & Goodson Inc | 2,218 | $118.4K | 0.02% | +13+0.6% | Added |
| Boyd Watterson Asset Management LLC | 2,465 | $131.6K | 0.04% | 00.0% | Unchanged |
| Acumen Wealth Advisors, LLC | 2,603 | $138.9K | 0.04% | +2,603 | New |
| Smithfield Trust Co | 2,725 | $145.0K | 0.01% | 00.0% | Unchanged |
| Cedar Wealth Management, LLC | 2,843 | $151.7K | 0.05% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 2,885 | $154.0K | 0.02% | +57+2.0% | Added |
| Virtus Investment Advisers, Inc. | 3,025 | $161.4K | 0.04% | −425−12.3% | Reduced |
| Nemes Rush Group LLC | 3,133 | $167.2K | 0.02% | 00.0% | Unchanged |
| SOA Wealth Advisors, LLC. | 3,191 | $170.3K | 0.03% | −249−7.2% | Reduced |
| Arlington Trust Co LLC | 3,300 | $176.1K | 0.02% | −100−2.9% | Reduced |
| Ancora Advisors, LLC | 3,327 | $177.6K | 0.00% | +50+1.5% | Added |
| Colonial Trust Co | 3,492 | $186.4K | 0.02% | 00.0% | Unchanged |
| Adirondack Trust Co | 3,700 | $197.4K | 0.06% | 00.0% | Unchanged |