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 |
|---|---|---|---|---|---|
| Aviance Capital Partners, LLC | 12,974 | $648.1K | 0.08% | 00.0% | Unchanged |
| Concurrent Investment Advisors, LLC | 13,028 | $650.7K | 0.01% | −553−4.1% | Reduced |
| Augustine Asset Management Inc | 13,080 | $653.3K | 0.13% | 00.0% | Unchanged |
| Pensionmark Financial Group, LLC | 13,223 | $660.5K | 0.01% | +198+1.5% | Added |
| Steel Peak Wealth Management LLC | 13,295 | $664.1K | 0.02% | +13,295 | New |
| Bradley Foster & Sargent Inc | 13,425 | $670.6K | 0.01% | 00.0% | Unchanged |
| First Heartland Consultants, Inc. | 13,430 | $670.8K | 0.05% | +720+5.7% | Added |
| Addis & Hill, Inc | 13,581 | $675.0K | 0.41% | +14+0.1% | Added |
| Fulcrum Asset Management LLP | 13,928 | $695.7K | 0.19% | 00.0% | Unchanged |
| Penn Mutual Asset Management, LLC | 13,970 | $697.8K | 1.36% | 00.0% | Unchanged |
| Bessemer Group Inc | 14,010 | $700.0K | 0.00% | −11,071−44.1% | Reduced |
| Centaurus Financial, Inc. | 14,023 | $700.0K | 0.03% | +168+1.2% | Added |
| Highlander Partners, L.P. | 14,291 | $713.8K | 0.25% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 14,339 | $716.2K | 0.00% | −3,679−20.4% | Reduced |
| J.W. Cole Advisors, Inc. | 14,413 | $719.9K | 0.01% | +59+0.4% | Added |
| Moors & Cabot, Inc. | 14,493 | $723.9K | 0.03% | −4,677−24.4% | Reduced |
| Cary Street Partners Financial LLC | 14,596 | $729.1K | 0.02% | 00.0% | Unchanged |
| 49 Wealth Management, LLC | 15,045 | $751.5K | 0.07% | +2,941+24.3% | Added |
| Hardy Reed LLC | 15,270 | $762.7K | 0.06% | 00.0% | Unchanged |
| Cherry Creek Investment Advisors, Inc. | 15,296 | $764.0K | 0.33% | +283+1.9% | Added |
| Segment Wealth Management, LLC | 15,447 | $771.6K | 0.05% | 00.0% | Unchanged |
| TCG Advisory Services, LLC | 15,712 | $784.8K | 0.03% | −4,558−22.5% | Reduced |
| Prime Capital Investment Advisors, LLC | 15,825 | $790.5K | 0.01% | +132+0.8% | Added |
| Linscomb & Williams, Inc. | 15,948 | $796.6K | 0.03% | 00.0% | Unchanged |
| First Interstate Bank | 16,000 | $799.2K | 0.04% | +16,000 | New |
| Citizens Financial Group Inc | 16,196 | $809.0K | 0.01% | +3,702+29.6% | Added |
| Rehmann Capital Advisory Group | 16,266 | $812.5K | 0.04% | +10.0% | Added |
| Lee Financial Co | 16,679 | $833.1K | 0.10% | +9,307+126.2% | Added |
| Integrated Wealth Concepts LLC | 16,797 | $839.0K | 0.01% | +66+0.4% | Added |
| Tred Avon Family Wealth, LLC | 16,947 | $846.5K | 0.29% | +16,947 | New |
| Novem Group | 17,156 | $857.0K | 0.10% | 00.0% | Unchanged |
| Burford Brothers, Inc. | 17,240 | $861.1K | 0.37% | +5,412+45.8% | Added |
| Brown Brothers Harriman & Co | 17,260 | $862.1K | 0.01% | −2,326−11.9% | Reduced |
| Searle & Co. | 17,400 | $869.1K | 0.23% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 17,400 | $869.1K | 0.00% | +10,022+135.8% | Added |
| SL Advisors, LLC | 17,680 | $883.1K | 1.74% | +305+1.8% | Added |
| Mutual Advisors, LLC | 17,474 | $889.1K | 0.02% | +5,302+43.6% | Added |
| Westover Capital Advisors, LLC | 17,800 | $889.1K | 0.16% | 00.0% | Unchanged |
| Level Four Advisory Services, LLC | 17,813 | $889.8K | 0.03% | 00.0% | Unchanged |
| Greenline Partners, LLC | 17,857 | $892.0K | 0.11% | +3,330+22.9% | Added |
| Pasadena Private Wealth, LLC | 18,339 | $916.1K | 0.13% | −34−0.2% | Reduced |
| CFO4Life Group, LLC | 18,500 | $924.1K | 0.13% | −204−1.1% | Reduced |
| Strategic Financial Concepts, LLC | 18,899 | $944.0K | 0.14% | +201+1.1% | Added |
| Merit Financial Group, LLC | 19,127 | $955.4K | 0.01% | +305+1.6% | Added |
| Wedbush Securities Inc | 19,324 | $965.0K | 0.03% | +11,319+141.4% | Added |
| Northwestern Mutual Wealth Management Co | 19,372 | $967.6K | 0.00% | +1,435+8.0% | Added |
| Modus Advisors, LLC | 19,606 | $979.3K | 0.27% | 00.0% | Unchanged |
| We Are One Seven, LLC | 19,827 | $990.4K | 0.02% | +4,596+30.2% | Added |
| Fort Washington Investment Advisors Inc | 19,828 | $990.4K | 0.01% | +19,828 | New |
| Inspire Advisors, LLC | 19,901 | $994.0K | 0.10% | +3,204+19.2% | Added |
| Guggenheim Capital LLC | 20,073 | $1.00M | 0.01% | +934+4.9% | Added |
| Trilogy Capital Inc. | 21,307 | $1.06M | 0.05% | −903−4.1% | Reduced |
| C2C Wealth Management, LLC | 21,421 | $1.07M | 0.92% | +1,000+4.9% | Added |
| Applied Capital LLC | 22,060 | $1.10M | 0.79% | +910+4.3% | Added |
| CWA Asset Management Group, LLC | 22,193 | $1.11M | 0.04% | +376+1.7% | Added |
| SEI Investments Co | 22,293 | $1.11M | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 22,402 | $1.12M | 0.00% | +6,204+38.3% | Added |
| Inscription Capital, LLC | 22,442 | $1.12M | 0.12% | +92+0.4% | Added |
| Clear Street Markets LLC | 22,500 | $1.12M | 0.37% | −135−0.6% | Reduced |
| Smith, Moore & Co. | 22,665 | $1.13M | 0.09% | +80+0.4% | Added |
| Wolverine Trading, LLC | 24,235 | $1.21M | 0.02% | +19,067+368.9% | Added |
| Exencial Wealth Advisors, LLC | 24,875 | $1.24M | 0.04% | +2,503+11.2% | Added |
| American Financial Group Inc | 25,000 | $1.25M | 0.48% | 00.0% | Unchanged |
| Chelsea Counsel Co | 25,000 | $1.25M | 0.55% | 00.0% | Unchanged |
| National Philanthropic Trust | 25,000 | $1.25M | 0.01% | 00.0% | Unchanged |
| Veracity Capital LLC | 25,638 | $1.28M | 0.41% | 00.0% | Unchanged |
| Northern Trust Corp | 25,867 | $1.29M | 0.00% | −8,118−23.9% | Reduced |
| Pathstone Holdings, LLC | 26,243 | $1.31M | 0.01% | +832+3.3% | Added |
| Allworth Financial LP | 26,352 | $1.32M | 0.01% | +1,505+6.1% | Added |
| Argyle Capital Partners, LLC | 26,962 | $1.35M | 0.97% | +250+0.9% | Added |
| McIntyre Freedman & Flynn Investment Advisers Inc | 27,000 | $1.35M | 0.81% | 00.0% | Unchanged |
| Csenge Advisory Group | 27,271 | $1.36M | 0.07% | +13,395+96.5% | Added |
| One Charles Private Wealth Services, LLC | 27,385 | $1.37M | 0.36% | 00.0% | Unchanged |
| Outfitter Financial LLC | 27,972 | $1.40M | 1.13% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 28,375 | $1.42M | 0.02% | +754+2.7% | Added |
| D.A. Davidson & Co. | 28,502 | $1.42M | 0.01% | −398−1.4% | Reduced |
| HB Wealth Management, LLC | 28,814 | $1.44M | 0.01% | +6,370+28.4% | Added |
| Fortem Financial Group, LLC | 28,910 | $1.44M | 0.41% | −108−0.4% | Reduced |
| Sanctuary Advisors, LLC | 29,048 | $1.45M | 0.01% | +9,325+47.3% | Added |
| Bramshill Investments, LLC | 29,306 | $1.46M | 0.10% | −700−2.3% | Reduced |
| Spears Abacus Advisors LLC | 29,500 | $1.47M | 0.03% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 30,150 | $1.51M | 0.05% | 00.0% | Unchanged |
| Snowden Capital Advisors LLC | 30,547 | $1.53M | 0.04% | +10,442+51.9% | Added |
| Pingora Partners LLC | 30,823 | $1.54M | 1.02% | 00.0% | Unchanged |
| Brookstone Capital Management | 30,982 | $1.55M | 0.02% | −2,368−7.1% | Reduced |
| ProShare Advisors LLC | 31,083 | $1.55M | 0.00% | +1,485+5.0% | Added |
| Prospera Financial Services Inc | 31,189 | $1.56M | 0.03% | −383−1.2% | Reduced |
| AssuredPartners Investment Advisors, LLC | 31,510 | $1.57M | 0.35% | −1,252−3.8% | Reduced |
| Umb Bank N A | 31,912 | $1.59M | 0.02% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 32,062 | $1.60M | 0.02% | −100−0.3% | Reduced |
| Obermeyer Wood Investment Counsel, LLLP | 33,763 | $1.69M | 0.08% | −436−1.3% | Reduced |
| Howard Financial Services, Ltd. | 33,844 | $1.69M | 0.21% | +168+0.5% | Added |
| Apollon Wealth Management, LLC | 34,107 | $1.70M | 0.03% | +425+1.3% | Added |
| Greenup Street Wealth Management LLC | 34,412 | $1.72M | 0.26% | −23,866−41.0% | Reduced |
| Blair William & Co | 34,542 | $1.73M | 0.00% | +1,092+3.3% | Added |
| Pekin Hardy Strauss, Inc. | 35,465 | $1.77M | 0.18% | −100−0.3% | Reduced |
| VELA Investment Management, LLC | 35,906 | $1.79M | 0.52% | −779−2.1% | Reduced |
| Birch Capital Management, LLC | 36,263 | $1.81M | 0.92% | +5,219+16.8% | Added |
| Ameriprise Financial Inc | 36,815 | $1.84M | 0.00% | −26,380−41.7% | Reduced |
| Kestra Private Wealth Services, LLC | 36,861 | $1.84M | 0.02% | +5,525+17.6% | Added |