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 |
|---|---|---|---|---|---|
| Hilton Head Capital Partners, LLC | 2,717 | $153.0K | 0.08% | +275+11.3% | Added |
| Smithfield Trust Co | 2,725 | $154.0K | 0.01% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 2,850 | $160.5K | 0.00% | −477−14.3% | Reduced |
| Global Retirement Partners, LLC | 2,908 | $163.8K | 0.00% | +2,908 | New |
| Capital Advisors, Ltd. LLC | 2,996 | $169.0K | 0.02% | +57+1.9% | Added |
| Tiaa Trust, National Association | 3,104 | $174.8K | 0.01% | 00.0% | Unchanged |
| SOA Wealth Advisors, LLC. | 3,191 | $179.7K | 0.03% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 3,224 | $181.6K | 0.00% | +3,030+1,561.9% | Added |
| Nemes Rush Group LLC | 3,264 | $183.9K | 0.02% | 00.0% | Unchanged |
| Arlington Trust Co LLC | 3,300 | $185.9K | 0.02% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 3,431 | $193.3K | 0.05% | +221+6.9% | Added |
| Colonial Trust Co | 3,592 | $202.3K | 0.03% | +100+2.9% | Added |
| Pacitti Group Inc. | 3,594 | $202.4K | 0.06% | +3,594 | New |
| JustInvest LLC | 3,596 | $202.6K | 0.00% | −1,848−33.9% | Reduced |
| Naples Global Advisors, LLC | 3,600 | $202.8K | 0.01% | 00.0% | Unchanged |
| ARK & TLK Investments, LLC | 3,620 | $203.9K | 0.05% | +3,620 | New |
| Rowland & Co Investment Counsel | 3,639 | $205.0K | 0.04% | +525+16.9% | Added |
| Requisite Capital Management, LLC | 3,642 | $205.2K | 0.03% | 00.0% | Unchanged |
| Vise Technologies, Inc. | 3,648 | $205.5K | 0.00% | +3,648 | New |
| Ascent Group, LLC | 3,650 | $205.6K | 0.01% | 00.0% | Unchanged |
| Waterloo Capital, L.P. | 3,672 | $206.8K | 0.01% | +10+0.3% | Added |
| ETF Portfolio Partners, Inc. | 3,692 | $208.0K | 0.05% | 00.0% | Unchanged |
| Adirondack Trust Co | 3,700 | $208.4K | 0.06% | 00.0% | Unchanged |
| Stonebridge Financial Group, LLC | 3,704 | $208.7K | 0.14% | +13+0.4% | Added |
| W.H. Cornerstone Investments Inc. | 3,713 | $209.2K | 0.12% | +3,713 | New |
| Balboa Wealth Partners | 3,721 | $209.6K | 0.03% | −100−2.6% | Reduced |
| Kingswood Wealth Advisors, LLC | 3,746 | $211.0K | 0.01% | −91−2.4% | Reduced |
| Chapin Davis, Inc. | 3,766 | $212.1K | 0.04% | +3,766 | New |
| Panoramic Investment Advisors, LLC | 3,782 | $213.0K | 0.10% | −95−2.5% | Reduced |
| Douglass Winthrop Advisors, LLC | 3,800 | $214.1K | 0.00% | 00.0% | Unchanged |
| VestGen Advisors, LLC | 3,849 | $216.8K | 0.01% | −4,438−53.6% | Reduced |
| Arrow Investment Advisors, LLC | 3,864 | $217.7K | 0.21% | +3,864 | New |
| Founders Financial Alliance, LLC | 3,869 | $217.9K | 0.03% | +39+1.0% | Added |
| Vivaldi Asset Management, LLC | 3,885 | $218.8K | 0.01% | +131+3.5% | Added |
| Teamwork Financial Advisors, LLC | 3,910 | $220.3K | 0.02% | 00.0% | Unchanged |
| MONECO Advisors, LLC | 3,936 | $221.7K | 0.01% | −31−0.8% | Reduced |
| LexAurum Advisors, LLC | 3,947 | $222.3K | 0.03% | +3,947 | New |
| XML Financial, LLC | 4,000 | $225.3K | 0.02% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 4,038 | $227.4K | 0.00% | 00.0% | Unchanged |
| Griffin Asset Management, Inc. | 4,046 | $227.9K | 0.02% | −574−12.4% | Reduced |
| Second Line Capital, LLC | 4,055 | $228.4K | 0.04% | +20.0% | Added |
| Archford Capital Strategies, LLC | 4,107 | $231.3K | 0.02% | 00.0% | Unchanged |
| Shepherd Financial Partners LLC | 4,120 | $232.1K | 0.02% | +78+1.9% | Added |
| Hanover Advisors Inc | 4,124 | $232.3K | 0.08% | +292+7.6% | Added |
| North Star Investment Management Corp. | 4,189 | $236.0K | 0.01% | 00.0% | Unchanged |
| Mattern Capital Management, LLC | 4,300 | $242.2K | 0.03% | 00.0% | Unchanged |
| Ieq Capital, LLC | 4,333 | $244.1K | 0.00% | 00.0% | Unchanged |
| Thoroughbred Financial Services, LLC | 4,384 | $246.0K | 0.01% | +211+5.1% | Added |
| Foundations Investment Advisors, LLC | 4,384 | $247.0K | 0.00% | −2,415−35.5% | Reduced |
| Great Valley Advisor Group, Inc. | 4,445 | $250.6K | 0.00% | −1,543−25.8% | Reduced |
| NTV Asset Management LLC | 4,469 | $251.7K | 0.02% | 00.0% | Unchanged |
| Wealth Advisors of Tampa Bay, LLC | 4,500 | $253.5K | 0.08% | 00.0% | Unchanged |
| Phil A. Younker & Associates, Ltd. | 4,500 | $253.5K | 0.17% | 00.0% | Unchanged |
| Zhang Financial LLC | 4,543 | $255.9K | 0.01% | 00.0% | Unchanged |
| Wealth Alliance Advisory Group, LLC | 4,570 | $257.4K | 0.04% | +300+7.0% | Added |
| Greenup Street Wealth Management LLC | 4,622 | $260.4K | 0.03% | +12+0.3% | Added |
| Legacy Wealth Advisors, LLC | 4,627 | $260.6K | 0.11% | −228−4.7% | Reduced |
| Argent Trust Co | 4,669 | $263.0K | 0.01% | +4,669 | New |
| Elser Financial Planning, Inc | 4,687 | $264.0K | 0.01% | 00.0% | Unchanged |
| Strategic Wealth Partners, Ltd. | 4,728 | $266.3K | 0.02% | 00.0% | Unchanged |
| Brian Low Financial Group, LLC | 4,728 | $266.3K | 0.16% | 00.0% | Unchanged |
| WSFS Capital Management, LLC | 4,746 | $267.4K | 0.01% | +20.0% | Added |
| NBC Securities, Inc. | 4,794 | $270.1K | 0.02% | −87−1.8% | Reduced |
| Baldwin Brothers Inc | 4,796 | $270.2K | 0.02% | 00.0% | Unchanged |
| Independent Financial Group, LLC | 4,796 | $270.2K | 0.01% | +424+9.7% | Added |
| SNS Financial Group, LLC | 4,845 | $272.9K | 0.01% | +4,845 | New |
| Benjamin Edwards Inc | 4,848 | $273.1K | 0.00% | +3+0.1% | Added |
| Huntington National Bank | 4,880 | $274.9K | 0.00% | +990+25.4% | Added |
| Lodestone Wealth Management LLC | 4,887 | $275.3K | 0.10% | +93+1.9% | Added |
| Advisor Resource Council | 4,840 | $275.7K | 0.09% | −923−16.0% | Reduced |
| Hilltop Holdings Inc. | 4,927 | $277.5K | 0.02% | +429+9.5% | Added |
| Resources Investment Advisors, LLC. | 4,927 | $277.5K | 0.00% | 00.0% | Unchanged |
| Naviter Wealth, LLC | 4,950 | $278.8K | 0.03% | 00.0% | Unchanged |
| Atria Investments LLC | 4,973 | $280.1K | 0.00% | +4,973 | New |
| Annex Advisory Services, LLC | 4,986 | $280.9K | 0.00% | −429−7.9% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 5,000 | $281.6K | 0.00% | −1,166−18.9% | Reduced |
| Rockland Trust Co | 5,000 | $281.6K | 0.01% | 00.0% | Unchanged |
| Intrepid Capital Management Inc | 5,000 | $281.6K | 0.10% | 00.0% | Unchanged |
| Sittner & Nelson, LLC | 5,000 | $281.6K | 0.09% | 00.0% | Unchanged |
| Aspetuck Financial Management LLC | 5,000 | $281.6K | 0.17% | 00.0% | Unchanged |
| Everhart Financial Group, Inc. | 5,000 | $281.6K | 0.02% | +5,000 | New |
| Ascent Wealth Partners, LLC | 5,015 | $282.5K | 0.03% | 00.0% | Unchanged |
| Entrewealth, LLC | 4,756 | $287.4K | 0.11% | 00.0% | Unchanged |
| Somerset Trust Co | 5,120 | $288.4K | 0.08% | 00.0% | Unchanged |
| Tyche Wealth Partners LLC | 5,147 | $289.9K | 0.04% | +200+4.0% | Added |
| Fermata Advisors, LLC | 5,192 | $292.5K | 0.06% | +25+0.5% | Added |
| Royal Harbor Partners, LLC | 5,195 | $292.6K | 0.09% | 00.0% | Unchanged |
| Verdence Capital Advisors LLC | 5,209 | $293.4K | 0.02% | −510−8.9% | Reduced |
| Quantum Financial Planning Services, Inc. | 5,286 | $297.8K | 0.09% | −2,714−33.9% | Reduced |
| William John Sempolinski | 5,301 | $298.6K | 0.12% | −238−4.3% | Reduced |
| Intrua Financial, LLC | 5,342 | $300.9K | 0.03% | −1,807−25.3% | Reduced |
| Aptus Capital Advisors, LLC | 5,352 | $301.5K | 0.00% | +11+0.2% | Added |
| Green Square Capital Advisors LLC | 5,363 | $302.1K | 0.03% | +17+0.3% | Added |
| BSW Wealth Partners | 5,376 | $302.8K | 0.03% | 00.0% | Unchanged |
| Rockbridge Capital Management LLC | 5,381 | $303.1K | 0.20% | 00.0% | Unchanged |
| Quadrant Private Wealth Management, LLC | 5,400 | $304.2K | 0.07% | 00.0% | Unchanged |
| Outlook Wealth Advisors, LLC | 5,422 | $305.4K | 0.07% | +20.0% | Added |
| Avidian Wealth Solutions, LLC | 5,422 | $305.4K | 0.01% | +1,029+23.4% | Added |
| Annis Gardner Whiting Capital Advisors, LLC | 5,450 | $307.0K | 0.05% | 00.0% | Unchanged |
| Oak Family Advisors, LLC | 5,452 | $307.1K | 0.09% | +7+0.1% | Added |