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 | $9.52B |
| 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, 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 |
|---|---|---|---|---|---|
| Geneva Partners, LLC | 30,000 | $1.69M | 0.45% | −5,000−14.3% | Reduced |
| Fortem Financial Group, LLC | 29,190 | $1.64M | 0.34% | −883−2.9% | Reduced |
| Independent Advisor Alliance | 28,705 | $1.62M | 0.04% | +162+0.6% | Added |
| Virtu Financial LLC | 28,135 | $1.58M | 0.05% | +1,108+4.1% | Added |
| Outfitter Financial LLC | 27,972 | $1.58M | 1.10% | 00.0% | Unchanged |
| Greenline Partners, LLC | 27,729 | $1.56M | 0.16% | +566+2.1% | Added |
| One Charles Private Wealth Services, LLC | 27,209 | $1.53M | 0.35% | −909−3.2% | Reduced |
| Northwestern Mutual Wealth Management Co | 27,125 | $1.53M | 0.00% | +804+3.1% | Added |
| D.A. Davidson & Co. | 27,055 | $1.52M | 0.01% | −1,446−5.1% | Reduced |
| McIntyre Freedman & Flynn Investment Advisers Inc | 27,000 | $1.52M | 0.91% | 00.0% | Unchanged |
| Johnson Investment Counsel Inc | 26,278 | $1.48M | 0.01% | 00.0% | Unchanged |
| Security National Bank | 26,222 | $1.48M | 0.18% | +26,222 | New |
| Allworth Financial LP | 26,006 | $1.46M | 0.01% | −2,543−8.9% | Reduced |
| Hourglass Capital, LLC | 25,872 | $1.46M | 0.29% | 00.0% | Unchanged |
| Brookstone Capital Management | 25,424 | $1.43M | 0.01% | −7,719−23.3% | Reduced |
| 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 |
| Westover Capital Advisors, LLC | 24,900 | $1.40M | 0.23% | +3,500+16.4% | Added |
| Burford Brothers, Inc. | 24,875 | $1.40M | 0.51% | +5,985+31.7% | Added |
| We Are One Seven, LLC | 24,813 | $1.40M | 0.02% | +2,515+11.3% | Added |
| Oppenheimer & Co Inc | 24,409 | $1.37M | 0.01% | −11,850−32.7% | Reduced |
| Robertson Stephens Wealth Management, LLC | 24,368 | $1.37M | 0.03% | +835+3.5% | Added |
| AssuredPartners Investment Advisors, LLC | 23,995 | $1.35M | 0.13% | 00.0% | Unchanged |
| Natixis | 23,958 | $1.35M | 0.01% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 23,491 | $1.32M | 0.01% | −8,188−25.8% | Reduced |
| SEI Investments Co | 23,094 | $1.30M | 0.00% | +919+4.1% | Added |
| Private Advisor Group, LLC | 23,030 | $1.30M | 0.01% | −30,662−57.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 23,064 | $1.30M | 0.00% | +583+2.6% | Added |
| Spears Abacus Advisors LLC | 22,800 | $1.28M | 0.02% | 00.0% | Unchanged |
| Inscription Capital, LLC | 22,712 | $1.28M | 0.11% | +56+0.2% | Added |
| C2C Wealth Management, LLC | 22,321 | $1.26M | 0.99% | 00.0% | Unchanged |
| Toroso Investments, LLC | 21,882 | $1.23M | 0.00% | +4,582+26.5% | Added |
| Guggenheim Capital LLC | 21,596 | $1.22M | 0.01% | +1,306+6.4% | Added |
| HB Wealth Management, LLC | 21,402 | $1.21M | 0.01% | −864−3.9% | Reduced |
| Mutual Advisors, LLC | 21,305 | $1.20M | 0.02% | −3,508−14.1% | Reduced |
| Smith, Moore & Co. | 21,185 | $1.19M | 0.08% | +20+0.1% | Added |
| Wedbush Securities Inc | 20,854 | $1.18M | 0.03% | +2,171+11.6% | Added |
| Fayez Sarofim & Co | 20,814 | $1.17M | 0.00% | 00.0% | Unchanged |
| Trilogy Capital Inc. | 20,683 | $1.17M | 0.05% | −139−0.7% | Reduced |
| CVFG LLC | 20,600 | $1.16M | 0.12% | −100−0.5% | Reduced |
| Pasadena Private Wealth, LLC | 20,414 | $1.15M | 0.15% | −934−4.4% | Reduced |
| Tred Avon Family Wealth, LLC | 20,342 | $1.15M | 0.35% | 00.0% | Unchanged |
| Fidelis Capital Partners, LLC | 20,194 | $1.14M | 0.07% | −30,000−59.8% | Reduced |
| Novem Group | 20,000 | $1.13M | 0.11% | −156−0.8% | Reduced |
| Two Sigma Securities, LLC | 19,927 | $1.12M | 0.10% | +4,494+29.1% | Added |
| Compass Financial Group, INC | 19,589 | $1.10M | 0.13% | +11,940+156.1% | Added |
| Integrated Wealth Concepts LLC | 19,538 | $1.10M | 0.01% | +111+0.6% | Added |
| Bank of New York Mellon Corp | 19,420 | $1.09M | 0.00% | −14,452−42.7% | Reduced |
| Prime Capital Investment Advisors, LLC | 18,775 | $1.06M | 0.01% | +600+3.3% | Added |
| Kovack Advisors, Inc. | 18,695 | $1.05M | 0.05% | −3,690−16.5% | Reduced |
| Attessa Capital LLC | 18,500 | $1.04M | 0.47% | +18,500 | New |
| IFP Advisors, Inc | 18,490 | $1.04M | 0.02% | +8,717+89.2% | Added |
| VELA Investment Management, LLC | 18,164 | $1.02M | 0.25% | +1,651+10.0% | Added |
| M&T Bank Corp | 17,915 | $1.01M | 0.00% | +7,421+70.7% | Added |
| Sym Financial Corp | 17,845 | $1.01M | 0.08% | +1,236+7.4% | Added |
| NewEdge Wealth, LLC | 17,790 | $1.00M | 0.01% | +9,859+124.3% | Added |
| Cascade Financial Partners, LLC | 17,616 | $992.3K | 0.09% | 00.0% | Unchanged |
| SL Advisors, LLC | 17,116 | $964.1K | 1.69% | −113−0.7% | Reduced |
| Navellier & Associates Inc | 17,010 | $958.2K | 0.08% | +6,250+58.1% | Added |
| Cherry Creek Investment Advisors, Inc. | 16,825 | $947.7K | 0.37% | +453+2.8% | Added |
| Jones Financial Companies LLLP | 16,617 | $939.2K | 0.00% | +3,944+31.1% | Added |
| Fulcrum Asset Management LLP | 16,052 | $902.4K | 0.09% | 00.0% | Unchanged |
| Linscomb & Williams, Inc. | 16,002 | $901.4K | 0.04% | −5,098−24.2% | Reduced |
| First Interstate Bank | 16,000 | $901.3K | 0.05% | 00.0% | Unchanged |
| Ausdal Financial Partners, Inc. | 15,711 | $885.0K | 0.03% | +2,239+16.6% | Added |
| Wellington Grp LLC | 15,589 | $878.1K | 0.23% | +5,914+61.1% | Added |
| Segment Wealth Management, LLC | 15,447 | $870.1K | 0.05% | 00.0% | Unchanged |
| Peddock Capital Advisors, LLC | 15,264 | $859.8K | 0.17% | +2,465+19.3% | Added |
| Rehmann Capital Advisory Group | 15,173 | $854.7K | 0.04% | +21+0.1% | Added |
| SageGuard Financial Group, LLC | 15,127 | $852.1K | 0.12% | −890−5.6% | Reduced |
| Cary Street Partners Financial LLC | 15,019 | $846.0K | 0.02% | +321+2.2% | Added |
| IMC-Chicago, LLC | 14,873 | $837.8K | 0.01% | +14,873 | New |
| Gsa Capital Partners LLP | 14,763 | $832.0K | 0.05% | +14,763 | New |
| Pensionmark Financial Group, LLC | 14,520 | $828.4K | 0.01% | −2,033−12.3% | Reduced |
| Hardy Reed LLC | 14,670 | $826.4K | 0.05% | 00.0% | Unchanged |
| Gen-Wealth Partners Inc | 14,645 | $824.9K | 0.23% | +3,401+30.2% | Added |
| Cornerstone Select Advisors, LLC | 14,457 | $814.4K | 0.34% | +1,198+9.0% | Added |
| Advisory Advocates, LLC | 14,294 | $805.2K | 0.69% | +1,366+10.6% | Added |
| Highlander Partners, L.P. | 14,291 | $805.0K | 0.27% | 00.0% | Unchanged |
| Beacon Pointe Advisors, LLC | 14,226 | $801.4K | 0.00% | +93+0.7% | Added |
| Concurrent Investment Advisors, LLC | 14,069 | $792.5K | 0.01% | +198+1.4% | Added |
| Aviance Capital Partners, LLC | 14,015 | $789.5K | 0.08% | 00.0% | Unchanged |
| Bessemer Group Inc | 14,010 | $789.0K | 0.00% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 13,943 | $785.4K | 0.03% | 00.0% | Unchanged |
| ARS Investment Partners, LLC | 13,900 | $783.0K | 0.03% | 00.0% | Unchanged |
| Modus Advisors, LLC | 13,875 | $781.6K | 0.19% | 00.0% | Unchanged |
| Steel Peak Wealth Management LLC | 13,595 | $765.8K | 0.02% | −790−5.5% | Reduced |
| Truist Financial Corp | 13,508 | $760.9K | 0.00% | −1,373−9.2% | Reduced |
| Larson Financial Group LLC | 13,482 | $759.4K | 0.02% | −1,647−10.9% | Reduced |
| HighPoint Advisor Group LLC | 13,382 | $753.8K | 0.03% | −848−6.0% | Reduced |
| Commerce Bank | 13,333 | $751.0K | 0.00% | 00.0% | Unchanged |
| Augustine Asset Management Inc | 13,074 | $736.5K | 0.15% | 00.0% | Unchanged |
| J.W. Cole Advisors, Inc. | 13,057 | $735.5K | 0.01% | −436−3.2% | Reduced |
| Bradley Foster & Sargent Inc | 12,725 | $716.8K | 0.01% | 00.0% | Unchanged |
| State of Wyoming | 12,692 | $714.9K | 0.07% | +12,692 | New |
| Diversified Trust Co | 12,478 | $702.9K | 0.01% | 00.0% | Unchanged |
| Arete Wealth Advisors, LLC | 12,439 | $700.7K | 0.05% | −220−1.7% | Reduced |
| Stratos Wealth Advisors, LLC | 12,348 | $695.6K | 0.04% | +409+3.4% | Added |
| HBK Sorce Advisory LLC | 11,720 | $694.9K | 0.01% | −33−0.3% | Reduced |
| Dynamic Advisor Solutions LLC | 12,251 | $690.1K | 0.02% | +1,316+12.0% | Added |