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 |
|---|---|---|---|---|---|
| Robertson Stephens Wealth Management, LLC | 23,008 | $1.23M | 0.03% | +14,615+174.1% | Added |
| Natixis | 23,958 | $1.28M | 0.01% | −949,800−97.5% | Reduced |
| Resolute Capital, LLC | 24,264 | $1.29M | 0.54% | +24,264 | New |
| Greenline Partners, LLC | 24,419 | $1.30M | 0.15% | +6,562+36.7% | Added |
| American Financial Group Inc | 25,000 | $1.33M | 0.48% | 00.0% | Unchanged |
| Chelsea Counsel Co | 25,000 | $1.33M | 0.57% | 00.0% | Unchanged |
| National Philanthropic Trust | 25,000 | $1.33M | 0.01% | 00.0% | Unchanged |
| CWM Advisors, LLC | 25,282 | $1.35M | 0.12% | +25,282 | New |
| Exencial Wealth Advisors, LLC | 25,498 | $1.36M | 0.04% | +623+2.5% | Added |
| Veracity Capital LLC | 25,638 | $1.37M | 0.41% | 00.0% | Unchanged |
| ELCO Management Co., LLC | 26,080 | $1.39M | 0.88% | −57,891−68.9% | Reduced |
| Northwestern Mutual Wealth Management Co | 26,265 | $1.40M | 0.00% | +6,893+35.6% | Added |
| Northern Trust Corp | 26,476 | $1.41M | 0.00% | +609+2.4% | Added |
| HB Wealth Management, LLC | 26,590 | $1.42M | 0.01% | −2,224−7.7% | Reduced |
| Argyle Capital Partners, LLC | 26,662 | $1.42M | 1.04% | −300−1.1% | Reduced |
| McIntyre Freedman & Flynn Investment Advisers Inc | 27,000 | $1.44M | 0.90% | 00.0% | Unchanged |
| NEOS Investment Management LLC | 27,133 | $1.45M | 0.01% | +27,133 | New |
| One Charles Private Wealth Services, LLC | 27,385 | $1.46M | 0.38% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 27,531 | $1.47M | 0.00% | −14,101−33.9% | Reduced |
| Allworth Financial LP | 27,594 | $1.47M | 0.01% | +1,242+4.7% | Added |
| D.A. Davidson & Co. | 27,847 | $1.49M | 0.01% | −655−2.3% | Reduced |
| Outfitter Financial LLC | 27,972 | $1.49M | 1.17% | 00.0% | Unchanged |
| Fortem Financial Group, LLC | 28,094 | $1.50M | 0.40% | −816−2.8% | Reduced |
| Spears Abacus Advisors LLC | 29,500 | $1.57M | 0.03% | 00.0% | Unchanged |
| Bramshill Investments, LLC | 29,502 | $1.57M | 0.09% | +196+0.7% | Added |
| Clear Trail Advisors, LLC | 30,030 | $1.60M | 0.37% | +30,030 | New |
| AssuredPartners Investment Advisors, LLC | 30,033 | $1.60M | 0.24% | −1,477−4.7% | Reduced |
| Pingora Partners LLC | 30,223 | $1.61M | 0.99% | −600−1.9% | Reduced |
| Snowden Capital Advisors LLC | 30,840 | $1.65M | 0.04% | +293+1.0% | Added |
| Quadrant Capital Group LLC | 31,150 | $1.66M | 0.05% | +1,000+3.3% | Added |
| XTX Topco Ltd | 31,261 | $1.67M | 0.04% | +31,261 | New |
| Colony Group, LLC | 31,277 | $1.67M | 0.00% | +25,657+456.5% | Added |
| Prospera Financial Services Inc | 31,700 | $1.69M | 0.03% | +511+1.6% | Added |
| Umb Bank N A | 31,912 | $1.70M | 0.02% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 32,326 | $1.73M | 0.02% | +264+0.8% | Added |
| Obermeyer Wood Investment Counsel, LLLP | 32,346 | $1.73M | 0.08% | −1,417−4.2% | Reduced |
| Apollon Wealth Management, LLC | 33,520 | $1.79M | 0.03% | −587−1.7% | Reduced |
| CWA Asset Management Group, LLC | 33,775 | $1.80M | 0.06% | +11,582+52.2% | Added |
| Clear Street Markets LLC | 34,300 | $1.83M | 0.33% | +11,800+52.4% | Added |
| Northern Right Capital Management, L.P. | 35,038 | $1.87M | 0.49% | −12,312−26.0% | Reduced |
| ProShare Advisors LLC | 35,155 | $1.88M | 0.00% | +4,072+13.1% | Added |
| VELA Investment Management, LLC | 35,346 | $1.89M | 0.51% | −560−1.6% | Reduced |
| Birch Capital Management, LLC | 35,627 | $1.90M | 0.95% | −636−1.8% | Reduced |
| Crescent Grove Advisors, LLC | 35,765 | $1.91M | 0.18% | −68,539−65.7% | Reduced |
| Applied Capital LLC | 35,900 | $1.92M | 1.31% | +13,840+62.7% | Added |
| Blair William & Co | 37,144 | $1.98M | 0.01% | +2,602+7.5% | Added |
| Milestone Asset Management, LLC | 37,432 | $2.00M | 0.38% | +37,432 | New |
| Bank of New York Mellon Corp | 37,480 | $2.00M | 0.00% | +23,141+161.4% | Added |
| Brookstone Capital Management | 37,544 | $2.00M | 0.02% | +6,562+21.2% | Added |
| Barnett & Company, Inc. | 38,087 | $2.03M | 1.64% | −700−1.8% | Reduced |
| Stratos Wealth Partners, LTD. | 38,438 | $2.05M | 0.02% | +521+1.4% | Added |
| Pathstone Holdings, LLC | 38,576 | $2.06M | 0.01% | +12,333+47.0% | Added |
| Daymark Wealth Partners, LLC | 38,861 | $2.07M | 0.07% | −207−0.5% | Reduced |
| Pekin Hardy Strauss, Inc. | 39,045 | $2.08M | 0.19% | +3,580+10.1% | Added |
| Reuter James Wealth Management, LLC | 39,048 | $2.08M | 0.29% | 00.0% | Unchanged |
| Silvercrest Asset Management Group LLC | 39,144 | $2.09M | 0.01% | −4,320−9.9% | Reduced |
| RMB Capital Management, LLC | 39,193 | $2.09M | 0.04% | −34−0.1% | Reduced |
| Geneva Partners, LLC | 40,000 | $2.13M | 0.76% | 00.0% | Unchanged |
| Delta Investment Management, LLC | 40,075 | $2.14M | 0.37% | +2,704+7.2% | Added |
| Bahl & Gaynor Inc | 41,225 | $2.20M | 0.01% | −1,250−2.9% | Reduced |
| Exit Wealth Advisors, LLC. | 41,346 | $2.21M | 1.30% | +41,346 | New |
| Westwood Holdings Group Inc. | 42,117 | $2.25M | 0.02% | −2,196,747−98.1% | Reduced |
| Zurich Insurance Group Ltd | 42,400 | $2.26M | 0.02% | 00.0% | Unchanged |
| Doliver Advisors, LP | 42,473 | $2.27M | 0.57% | +900+2.2% | Added |
| Kestra Private Wealth Services, LLC | 42,630 | $2.28M | 0.03% | +5,769+15.7% | Added |
| Merit Financial Group, LLC | 43,234 | $2.31M | 0.02% | +24,107+126.0% | Added |
| CAPROCK Group, Inc. | 43,256 | $2.31M | 0.05% | −9,790−18.5% | Reduced |
| Sanctuary Advisors, LLC | 43,735 | $2.33M | 0.01% | +14,687+50.6% | Added |
| Parkside Financial Bank & Trust | 43,776 | $2.34M | 0.18% | −509−1.1% | Reduced |
| Keybank National Association | 43,951 | $2.35M | 0.01% | +1,127+2.6% | Added |
| Pathway Financial Advisers, LLC | 44,463 | $2.37M | 0.69% | +1,815+4.3% | Added |
| Howard Financial Services, Ltd. | 44,734 | $2.39M | 0.28% | +10,890+32.2% | Added |
| Greenup Street Wealth Management LLC | 46,177 | $2.46M | 0.36% | +11,765+34.2% | Added |
| Steward Partners Investment Advisory, LLC | 46,302 | $2.47M | 0.01% | +1,608+3.6% | Added |
| PFG Investments, LLC | 46,308 | $2.47M | 0.12% | +6,530+16.4% | Added |
| CFM Wealth Partners LLC | 46,729 | $2.49M | 0.36% | 00.0% | Unchanged |
| Creative Planning | 47,091 | $2.51M | 0.00% | −11,749−20.0% | Reduced |
| Independent Advisor Alliance | 49,171 | $2.62M | 0.06% | +548+1.1% | Added |
| Private Management Group Inc | 50,000 | $2.67M | 0.08% | 00.0% | Unchanged |
| GraniteShares Advisors LLC | 50,391 | $2.69M | 1.63% | −13,666−21.3% | Reduced |
| Williams Jones Wealth Management, LLC. | 53,031 | $2.83M | 0.03% | −1,200−2.2% | Reduced |
| Castleark Management LLC | 53,112 | $2.83M | 0.08% | −7,510−12.4% | Reduced |
| Advisory Services Network, LLC | 54,285 | $2.90M | 0.04% | +7,497+16.0% | Added |
| Samalin Investment Counsel, LLC | 55,697 | $2.97M | 1.05% | −1,195−2.1% | Reduced |
| Ameriprise Financial Inc | 55,750 | $2.98M | 0.00% | +18,935+51.4% | Added |
| Private Advisor Group, LLC | 56,267 | $3.00M | 0.01% | −3,130−5.3% | Reduced |
| MAI Capital Management | 57,866 | $3.09M | 0.02% | −3,675−6.0% | Reduced |
| Mutual of America Capital Management LLC | 58,698 | $3.13M | 0.03% | +4,803+8.9% | Added |
| Davenport & Co LLC | 59,583 | $3.18M | 0.02% | 00.0% | Unchanged |
| Mizuho Markets Cayman LP | 60,308 | $3.22M | 0.16% | +5,283+9.6% | Added |
| Lido Advisors, LLC | 63,404 | $3.23M | 0.01% | +1,416+2.3% | Added |
| Forum Financial Management, LP | 61,770 | $3.30M | 0.04% | +61,770 | New |
| Botty Investors LLC | 62,977 | $3.36M | 0.80% | +757+1.2% | Added |
| Empire Financial Management Company, LLC | 63,321 | $3.38M | 0.73% | 00.0% | Unchanged |
| Asset One Wealth Management LLC | 62,403 | $3.45M | 0.47% | +62,403 | New |
| Victory Capital Management Inc | 64,722 | $3.45M | 0.00% | −179,882−73.5% | Reduced |
| US Bancorp | 65,042 | $3.47M | 0.00% | +197+0.3% | Added |
| Pacer Advisors, Inc. | 65,353 | $3.49M | 0.01% | −6,012−8.4% | Reduced |
| Jackson Hole Capital Partners, LLC | 65,407 | $3.49M | 0.60% | +1,413+2.2% | Added |
| Van Eck Associates Corp | 66,239 | $3.54M | 0.00% | −2,984−4.3% | Reduced |