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, Q2 2026
Institutional positions in MPLX LP as of Jun 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
- Institutional holders
- 639
- +2 vs. Q1 2026
- Shares held
- 196.3M
- −5.77M (−2.9%) vs. Q1 2026
- Total value
- $11.1B
- −$473.1M (−4.1%) vs. Q1 2026
- New holders
- 59
- 244 more added
- Sold out
- 57
- 149 more reduced
9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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 | 639 | $11.1B |
| Q1 2026 | 646 | $11.6B |
| Q4 2025 | 633 | $9.55B |
| Q3 2025 | 576 | $10.7B |
| Q2 2025 | 575 | $11.2B |
| Q1 2025 | 570 | $12.1B |
| Q4 2024 | 535 | $10.6B |
| Q3 2024 | 502 | $10.6B |
| Q2 2024 | 491 | $10.5B |
| Q1 2024 | 480 | $10.3B |
| Q4 2023 | 444 | $8.62B |
| Q3 2023 | 398 | $8.19B |
| Q2 2023 | 370 | $7.71B |
| Q1 2023 | 381 | $7.99B |
| Q4 2022 | 359 | $7.36B |
| Q3 2022 | 342 | $6.98B |
| Q2 2022 | 340 | $6.97B |
| Q1 2022 | 350 | $8.33B |
| Q4 2021 | 341 | $7.51B |
| Q3 2021 | 311 | $7.52B |
| Q2 2021 | 302 | $8.20B |
| Q1 2021 | 306 | $7.34B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Trilogy Capital Inc. | 20,683 | $1.17M | 0.05% | −139−0.7% | Reduced |
| Fayez Sarofim & Co | 20,814 | $1.17M | 0.00% | 00.0% | Unchanged |
| Wedbush Securities Inc | 20,854 | $1.18M | 0.03% | +2,171+11.6% | Added |
| Smith, Moore & Co. | 21,185 | $1.19M | 0.08% | +20+0.1% | Added |
| Mutual Advisors, LLC | 21,305 | $1.20M | 0.02% | −3,508−14.1% | Reduced |
| HB Wealth Management, LLC | 21,402 | $1.21M | 0.01% | −864−3.9% | Reduced |
| Guggenheim Capital LLC | 21,596 | $1.22M | 0.01% | +1,306+6.4% | Added |
| Toroso Investments, LLC | 21,882 | $1.23M | 0.00% | +4,582+26.5% | Added |
| C2C Wealth Management, LLC | 22,321 | $1.26M | 0.99% | 00.0% | Unchanged |
| Inscription Capital, LLC | 22,712 | $1.28M | 0.11% | +56+0.2% | Added |
| Spears Abacus Advisors LLC | 22,800 | $1.28M | 0.02% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 23,064 | $1.30M | 0.00% | +583+2.6% | Added |
| Private Advisor Group, LLC | 23,030 | $1.30M | 0.01% | −30,662−57.1% | Reduced |
| SEI Investments Co | 23,094 | $1.30M | 0.00% | +919+4.1% | Added |
| Merit Financial Group, LLC | 23,491 | $1.32M | 0.01% | −8,188−25.8% | Reduced |
| Natixis | 23,958 | $1.35M | 0.01% | 00.0% | Unchanged |
| AssuredPartners Investment Advisors, LLC | 23,995 | $1.35M | 0.13% | 00.0% | Unchanged |
| Robertson Stephens Wealth Management, LLC | 24,368 | $1.37M | 0.03% | +835+3.5% | Added |
| Oppenheimer & Co Inc | 24,409 | $1.37M | 0.01% | −11,850−32.7% | Reduced |
| We Are One Seven, LLC | 24,813 | $1.40M | 0.02% | +2,515+11.3% | Added |
| Burford Brothers, Inc. | 24,875 | $1.40M | 0.51% | +5,985+31.7% | Added |
| Westover Capital Advisors, LLC | 24,900 | $1.40M | 0.23% | +3,500+16.4% | Added |
| American Financial Group Inc | 25,000 | $1.41M | 0.50% | 00.0% | Unchanged |
| Chelsea Counsel Co | 25,000 | $1.41M | 0.60% | 00.0% | Unchanged |
| Brookstone Capital Management | 25,424 | $1.43M | 0.01% | −7,719−23.3% | Reduced |
| Hourglass Capital, LLC | 25,872 | $1.46M | 0.29% | 00.0% | Unchanged |
| Allworth Financial LP | 26,006 | $1.46M | 0.01% | −2,543−8.9% | Reduced |
| Security National Bank | 26,222 | $1.48M | 0.18% | +26,222 | New |
| Johnson Investment Counsel Inc | 26,278 | $1.48M | 0.01% | 00.0% | Unchanged |
| McIntyre Freedman & Flynn Investment Advisers Inc | 27,000 | $1.52M | 0.91% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 27,055 | $1.52M | 0.01% | −1,446−5.1% | Reduced |
| Northwestern Mutual Wealth Management Co | 27,125 | $1.53M | 0.00% | +804+3.1% | Added |
| One Charles Private Wealth Services, LLC | 27,209 | $1.53M | 0.35% | −909−3.2% | Reduced |
| Greenline Partners, LLC | 27,729 | $1.56M | 0.16% | +566+2.1% | Added |
| Outfitter Financial LLC | 27,972 | $1.58M | 1.10% | 00.0% | Unchanged |
| Virtu Financial LLC | 28,135 | $1.58M | 0.05% | +1,108+4.1% | Added |
| Independent Advisor Alliance | 28,705 | $1.62M | 0.04% | +162+0.6% | Added |
| Fortem Financial Group, LLC | 29,190 | $1.64M | 0.34% | −883−2.9% | Reduced |
| Geneva Partners, LLC | 30,000 | $1.69M | 0.45% | −5,000−14.3% | Reduced |
| Pingora Partners LLC | 30,223 | $1.70M | 0.99% | 00.0% | Unchanged |
| Snowden Capital Advisors LLC | 30,652 | $1.73M | 0.04% | +2,587+9.2% | Added |
| Northern Trust Corp | 30,761 | $1.73M | 0.00% | +1,808+6.2% | Added |
| IFG Advisory, LLC | 31,041 | $1.75M | 0.06% | +4,721+17.9% | Added |
| CWA Asset Management Group, LLC | 31,172 | $1.76M | 0.05% | −204−0.7% | Reduced |
| Clear Trail Advisors, LLC | 31,269 | $1.76M | 0.27% | +1,425+4.8% | Added |
| Daymark Wealth Partners, LLC | 31,706 | $1.79M | 0.04% | −9,879−23.8% | Reduced |
| Apollon Wealth Management, LLC | 31,902 | $1.80M | 0.02% | −902−2.7% | Reduced |
| Castleark Management LLC | 32,092 | $1.81M | 0.05% | −9,800−23.4% | Reduced |
| Obermeyer Wood Investment Counsel, LLLP | 32,346 | $1.82M | 0.07% | 00.0% | Unchanged |
| Bramshill Investments, LLC | 32,578 | $1.84M | 0.14% | +7,019+27.5% | Added |
| Brown Brothers Harriman & Co | 32,692 | $1.84M | 0.01% | +15,432+89.4% | Added |
| Umb Bank N A | 32,725 | $1.84M | 0.02% | −811−2.4% | Reduced |
| Pathstone Holdings, LLC | 32,940 | $1.86M | 0.01% | −3,771−10.3% | Reduced |
| Barnett & Company, Inc. | 33,017 | $1.86M | 1.38% | −4,230−11.4% | Reduced |
| Argyle Capital Partners, LLC | 33,677 | $1.90M | 1.20% | +6,600+24.4% | Added |
| ProShare Advisors LLC | 34,212 | $1.93M | 0.00% | +2,836+9.0% | Added |
| Prospera Financial Services Inc | 34,547 | $1.95M | 0.03% | +625+1.8% | Added |
| Silvercrest Asset Management Group LLC | 34,812 | $1.96M | 0.01% | −1,380−3.8% | Reduced |
| Oppenheimer Asset Management Inc. | 34,924 | $1.97M | 0.02% | +162+0.5% | Added |
| Resolute Capital, LLC | 35,134 | $1.98M | 0.68% | +7,346+26.4% | Added |
| Birch Capital Management, LLC | 35,627 | $2.01M | 0.98% | 00.0% | Unchanged |
| Haverford Trust Co | 37,303 | $2.10M | 0.02% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 37,387 | $2.11M | 0.01% | +3,013+8.8% | Added |
| Blair William & Co | 37,418 | $2.11M | 0.01% | −1,493−3.8% | Reduced |
| Reuter James Wealth Management, LLC | 39,048 | $2.20M | 0.29% | 00.0% | Unchanged |
| Pekin Hardy Strauss, Inc. | 39,049 | $2.20M | 0.19% | +40.0% | Added |
| CAPROCK Group, Inc. | 39,319 | $2.21M | 0.04% | +316+0.8% | Added |
| Keybank National Association | 40,970 | $2.31M | 0.01% | −2,000−4.7% | Reduced |
| Bahl & Gaynor Inc | 41,225 | $2.32M | 0.01% | 00.0% | Unchanged |
| Colony Group, LLC | 41,783 | $2.35M | 0.00% | +878+2.1% | Added |
| Ameriprise Financial Inc | 41,956 | $2.36M | 0.00% | +6,328+17.8% | Added |
| Zurich Insurance Group Ltd | 42,400 | $2.39M | 0.02% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 43,312 | $2.44M | 0.17% | −489−1.1% | Reduced |
| National Philanthropic Trust | 45,102 | $2.54M | 0.04% | +20,102+80.4% | Added |
| Crescent Grove Advisors, LLC | 45,394 | $2.56M | 0.22% | +8,197+22.0% | Added |
| Searle & Co. | 45,400 | $2.56M | 0.57% | +29,000+176.8% | Added |
| RMB Capital Management, LLC | 45,720 | $2.58M | 0.04% | −3,230−6.6% | Reduced |
| CFM Wealth Partners LLC | 46,729 | $2.63M | 0.34% | 00.0% | Unchanged |
| Stratos Wealth Partners, LTD. | 47,003 | $2.65M | 0.03% | −117−0.2% | Reduced |
| PFG Investments, LLC | 48,382 | $2.73M | 0.11% | +2,522+5.5% | Added |
| Steward Partners Investment Advisory, LLC | 48,385 | $2.73M | 0.01% | +2,369+5.1% | Added |
| Howard Financial Services, Ltd. | 48,413 | $2.73M | 0.27% | +2,838+6.2% | Added |
| Applied Capital LLC | 48,875 | $2.75M | 1.84% | +5,945+13.8% | Added |
| Delta Investment Management, LLC | 48,922 | $2.76M | 0.45% | +5,350+12.3% | Added |
| Private Management Group Inc | 50,000 | $2.82M | 0.07% | 00.0% | Unchanged |
| Creative Planning | 50,653 | $2.85M | 0.00% | −6,970−12.1% | Reduced |
| Doliver Advisors, LP | 51,748 | $2.91M | 0.66% | +9,525+22.6% | Added |
| GraniteShares Advisors LLC | 52,023 | $2.93M | 1.88% | +6,800+15.0% | Added |
| Williams Jones Wealth Management, LLC. | 52,731 | $2.97M | 0.03% | +150+0.3% | Added |
| Savant Capital, LLC | 51,198 | $3.00M | 0.01% | +38,443+301.4% | Added |
| Pathway Financial Advisers, LLC | 53,539 | $3.02M | 0.76% | +1,906+3.7% | Added |
| Mutual of America Capital Management LLC | 54,099 | $3.05M | 0.03% | −4,387−7.5% | Reduced |
| Quantinno Capital Management LP | 54,704 | $3.08M | 0.00% | +21,826+66.4% | Added |
| Dividend Assets Capital, LLC | 56,240 | $3.17M | 0.61% | −9,310−14.2% | Reduced |
| Fort Washington Investment Advisors Inc | 58,535 | $3.30M | 0.02% | +2,684+4.8% | Added |
| Davenport & Co LLC | 59,583 | $3.36M | 0.02% | 00.0% | Unchanged |
| Lionhunter Capital Management, LLC | 59,595 | $3.36M | 1.51% | +59,595 | New |
| Samalin Investment Counsel, LLC | 59,733 | $3.36M | 1.08% | +1,496+2.6% | Added |
| US Bancorp | 59,742 | $3.37M | 0.00% | 00.0% | Unchanged |
| Forum Financial Management, LP | 62,292 | $3.51M | 0.05% | +80.0% | Added |