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, Q1 2026
Institutional positions in MPLX LP as of Mar 31, 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
- 646
- +19 vs. Q4 2025
- Shares held
- 202.7M
- +27.3M (+15.5%) vs. Q4 2025
- Total value
- $11.6B
- +$2.20B (+23.5%) vs. Q4 2025
- New holders
- 76
- 216 more added
- Sold out
- 57
- 173 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Evercore Wealth Management, LLC | 132,053 | $7.54M | 0.12% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 131,972 | $7.53M | 0.01% | −25,217−16.0% | Reduced |
| Advisor Group Holdings, Inc. | 121,803 | $6.95M | 0.01% | −28,943−19.2% | Reduced |
| The PNC Financial Services Group, Inc. | 117,397 | $6.70M | 0.00% | +2,974+2.6% | Added |
| Bridges Investment Management Inc | 114,164 | $6.52M | 0.09% | +10,813+10.5% | Added |
| Van Eck Associates Corp | 112,001 | $6.39M | 0.00% | +45,762+69.1% | Added |
| Wealth Enhancement Advisory Services, LLC | 113,934 | $6.37M | 0.01% | −20,706−15.4% | Reduced |
| Janney Montgomery Scott LLC | 102,197 | $5.83M | 0.01% | −5,559−5.2% | Reduced |
| Objectivity Squared, LLC | 101,203 | $5.78M | 3.64% | +1,891+1.9% | Added |
| CoreCap Advisors, LLC | 97,657 | $5.57M | 0.19% | +4,067+4.3% | Added |
| Brown Advisory Inc | 96,240 | $5.49M | 0.01% | −3,065−3.1% | Reduced |
| FourThought Financial Partners, LLC | 94,964 | $5.42M | 0.47% | +7,720+8.8% | Added |
| Private Wealth Partners, LLC | 94,400 | $5.39M | 0.42% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 92,065 | $5.25M | 0.01% | −67,612−42.3% | Reduced |
| Adell Harriman & Carpenter Inc | 88,395 | $5.04M | 0.31% | +725+0.8% | Added |
| PPM America Inc | 87,200 | $4.98M | 29.98% | 00.0% | Unchanged |
| Captrust Financial Advisors | 83,760 | $4.78M | 0.01% | +3,347+4.2% | Added |
| GWM Advisors LLC | 82,799 | $4.73M | 0.02% | −3,826−4.4% | Reduced |
| ELCO Management Co., LLC | 82,237 | $4.69M | 2.25% | +56,157+215.3% | Added |
| Mercer Global Advisors Inc | 80,937 | $4.62M | 0.01% | −2,273−2.7% | Reduced |
| Pinnacle Holdings, LLC | 79,676 | $4.55M | 1.47% | −1,174−1.5% | Reduced |
| Spirit of America Management Corp | 79,397 | $4.53M | 0.89% | −11,000−12.2% | Reduced |
| Castellan Group, LLC | 77,053 | $4.40M | 0.61% | +5,609+7.9% | Added |
| First Trust Advisors LP | 75,238 | $4.29M | 0.00% | −50.0% | Reduced |
| Cerity Partners LLC | 75,019 | $4.28M | 0.01% | +735+1.0% | Added |
| Advisory Services Network, LLC | 73,567 | $4.20M | 0.06% | +19,282+35.5% | Added |
| HRT Financial LP | 72,935 | $4.16M | 0.01% | −266,070−78.5% | Reduced |
| TCG Advisory Services, LLC | 72,906 | $4.16M | 0.10% | +52,977+265.8% | Added |
| Basso Capital Management, L.P. | 71,200 | $4.06M | 2.49% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 74,490 | $3.99M | 1.31% | +74,490 | New |
| Jackson Hole Capital Partners, LLC | 69,650 | $3.97M | 0.66% | +4,243+6.5% | Added |
| Childress Capital Advisors, LLC | 67,641 | $3.86M | 0.70% | 00.0% | Unchanged |
| Militia Capital Management LLC | 67,000 | $3.82M | 0.86% | +67,000 | New |
| Moneta Group Investment Advisors LLC | 66,583 | $3.80M | 0.03% | −50.0% | Reduced |
| Dividend Assets Capital, LLC | 65,550 | $3.74M | 0.75% | −5,768−8.1% | Reduced |
| Asset One Wealth Management LLC | 67,104 | $3.72M | 0.41% | +4,701+7.5% | Added |
| Botty Investors LLC | 62,977 | $3.59M | 0.86% | 00.0% | Unchanged |
| Forum Financial Management, LP | 62,284 | $3.55M | 0.05% | +514+0.8% | Added |
| MAI Capital Management | 61,650 | $3.52M | 0.02% | +3,784+6.5% | Added |
| Empire Financial Management Company, LLC | 60,321 | $3.44M | 0.78% | −3,000−4.7% | Reduced |
| US Bancorp | 59,742 | $3.41M | 0.00% | −5,300−8.1% | Reduced |
| Davenport & Co LLC | 59,583 | $3.40M | 0.02% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 58,486 | $3.34M | 0.04% | −212−0.4% | Reduced |
| Samalin Investment Counsel, LLC | 58,237 | $3.32M | 1.18% | +2,540+4.6% | Added |
| Creative Planning | 57,623 | $3.29M | 0.00% | +10,532+22.4% | Added |
| Fort Washington Investment Advisors Inc | 55,851 | $3.19M | 0.02% | −20,706−27.0% | Reduced |
| Private Advisor Group, LLC | 53,692 | $3.06M | 0.01% | −2,575−4.6% | Reduced |
| Williams Jones Wealth Management, LLC. | 52,581 | $3.00M | 0.04% | −450−0.8% | Reduced |
| Pathway Financial Advisers, LLC | 51,633 | $2.95M | 0.83% | +7,170+16.1% | Added |
| Fidelis Capital Partners, LLC | 50,194 | $2.86M | 0.20% | +41,162+455.7% | Added |
| Private Management Group Inc | 50,000 | $2.85M | 0.08% | 00.0% | Unchanged |
| RMB Capital Management, LLC | 48,950 | $2.79M | 0.05% | +9,757+24.9% | Added |
| Stratos Wealth Partners, LTD. | 47,120 | $2.69M | 0.03% | +8,682+22.6% | Added |
| CFM Wealth Partners LLC | 46,729 | $2.67M | 0.40% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 46,016 | $2.63M | 0.01% | −286−0.6% | Reduced |
| PFG Investments, LLC | 45,860 | $2.62M | 0.12% | −448−1.0% | Reduced |
| Howard Financial Services, Ltd. | 45,575 | $2.60M | 0.29% | +841+1.9% | Added |
| GraniteShares Advisors LLC | 45,223 | $2.58M | 1.86% | −5,168−10.3% | Reduced |
| Susquehanna International Group, LLP | 44,707 | $2.55M | 0.00% | −103,342−69.8% | Reduced |
| Parkside Financial Bank & Trust | 43,801 | $2.50M | 0.19% | +25+0.1% | Added |
| Delta Investment Management, LLC | 43,572 | $2.49M | 0.44% | +3,497+8.7% | Added |
| Keybank National Association | 42,970 | $2.45M | 0.01% | −981−2.2% | Reduced |
| Applied Capital LLC | 42,930 | $2.45M | 1.78% | +7,030+19.6% | Added |
| Zurich Insurance Group Ltd | 42,400 | $2.42M | 0.02% | 00.0% | Unchanged |
| Doliver Advisors, LP | 42,223 | $2.41M | 0.55% | −250−0.6% | Reduced |
| Castleark Management LLC | 41,892 | $2.39M | 0.08% | −11,220−21.1% | Reduced |
| Daymark Wealth Partners, LLC | 41,585 | $2.37M | 0.07% | +2,724+7.0% | Added |
| Bahl & Gaynor Inc | 41,225 | $2.35M | 0.01% | 00.0% | Unchanged |
| Colony Group, LLC | 40,905 | $2.33M | 0.00% | +9,628+30.8% | Added |
| Keeler Thomas Management LLC | 40,364 | $2.30M | 0.97% | +40,364 | New |
| Reuter James Wealth Management, LLC | 39,048 | $2.23M | 0.32% | 00.0% | Unchanged |
| Pekin Hardy Strauss, Inc. | 39,045 | $2.23M | 0.23% | 00.0% | Unchanged |
| CAPROCK Group, Inc. | 39,003 | $2.23M | 0.05% | −4,253−9.8% | Reduced |
| Blair William & Co | 38,911 | $2.22M | 0.01% | +1,767+4.8% | Added |
| Kestra Private Wealth Services, LLC | 38,827 | $2.22M | 0.03% | −3,803−8.9% | Reduced |
| Haverford Trust Co | 37,303 | $2.13M | 0.02% | +37,303 | New |
| Barnett & Company, Inc. | 37,247 | $2.13M | 1.65% | −840−2.2% | Reduced |
| Crescent Grove Advisors, LLC | 37,197 | $2.12M | 0.21% | +1,432+4.0% | Added |
| Lido Advisors, LLC | 37,155 | $2.12M | 0.01% | −26,249−41.4% | Reduced |
| Pathstone Holdings, LLC | 36,711 | $2.10M | 0.01% | −1,865−4.8% | Reduced |
| Oppenheimer & Co Inc | 36,259 | $2.07M | 0.03% | −99,928−73.4% | Reduced |
| Silvercrest Asset Management Group LLC | 36,192 | $2.07M | 0.01% | −2,952−7.5% | Reduced |
| Ameriprise Financial Inc | 35,628 | $2.03M | 0.00% | −20,122−36.1% | Reduced |
| Birch Capital Management, LLC | 35,627 | $2.03M | 1.07% | 00.0% | Unchanged |
| Geneva Partners, LLC | 35,000 | $2.00M | 0.96% | −5,000−12.5% | Reduced |
| Oppenheimer Asset Management Inc. | 34,762 | $1.98M | 0.02% | +2,436+7.5% | Added |
| Sanctuary Advisors, LLC | 34,374 | $1.96M | 0.01% | −9,361−21.4% | Reduced |
| Prospera Financial Services Inc | 33,922 | $1.94M | 0.03% | +2,222+7.0% | Added |
| Bank of New York Mellon Corp | 33,872 | $1.93M | 0.00% | −3,608−9.6% | Reduced |
| Umb Bank N A | 33,536 | $1.91M | 0.03% | +1,624+5.1% | Added |
| Brookstone Capital Management | 33,143 | $1.89M | 0.02% | −4,401−11.7% | Reduced |
| Quantinno Capital Management LP | 32,878 | $1.88M | 0.00% | +12,379+60.4% | Added |
| Apollon Wealth Management, LLC | 32,804 | $1.87M | 0.03% | −716−2.1% | Reduced |
| Obermeyer Wood Investment Counsel, LLLP | 32,346 | $1.85M | 0.09% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 31,679 | $1.81M | 0.01% | −11,555−26.7% | Reduced |
| ProShare Advisors LLC | 31,376 | $1.79M | 0.00% | −3,779−10.7% | Reduced |
| CWA Asset Management Group, LLC | 31,376 | $1.79M | 0.06% | −2,399−7.1% | Reduced |
| Quadrant Capital Group LLC | 31,150 | $1.78M | 0.05% | 00.0% | Unchanged |
| Pingora Partners LLC | 30,223 | $1.72M | 1.02% | 00.0% | Unchanged |
| Fortem Financial Group, LLC | 30,073 | $1.72M | 0.43% | +1,979+7.0% | Added |