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 |
|---|---|---|---|---|---|
| Clearstead Advisors, LLC | 4,038 | $227.4K | 0.00% | 00.0% | Unchanged |
| XML Financial, LLC | 4,000 | $225.3K | 0.02% | 00.0% | Unchanged |
| LexAurum Advisors, LLC | 3,947 | $222.3K | 0.03% | +3,947 | New |
| MONECO Advisors, LLC | 3,936 | $221.7K | 0.01% | −31−0.8% | Reduced |
| Teamwork Financial Advisors, LLC | 3,910 | $220.3K | 0.02% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 3,885 | $218.8K | 0.01% | +131+3.5% | Added |
| Founders Financial Alliance, LLC | 3,869 | $217.9K | 0.03% | +39+1.0% | Added |
| Arrow Investment Advisors, LLC | 3,864 | $217.7K | 0.21% | +3,864 | New |
| VestGen Advisors, LLC | 3,849 | $216.8K | 0.01% | −4,438−53.6% | Reduced |
| Douglass Winthrop Advisors, LLC | 3,800 | $214.1K | 0.00% | 00.0% | Unchanged |
| Panoramic Investment Advisors, LLC | 3,782 | $213.0K | 0.10% | −95−2.5% | Reduced |
| Chapin Davis, Inc. | 3,766 | $212.1K | 0.04% | +3,766 | New |
| Kingswood Wealth Advisors, LLC | 3,746 | $211.0K | 0.01% | −91−2.4% | Reduced |
| Balboa Wealth Partners | 3,721 | $209.6K | 0.03% | −100−2.6% | Reduced |
| W.H. Cornerstone Investments Inc. | 3,713 | $209.2K | 0.12% | +3,713 | New |
| Stonebridge Financial Group, LLC | 3,704 | $208.7K | 0.14% | +13+0.4% | Added |
| Adirondack Trust Co | 3,700 | $208.4K | 0.06% | 00.0% | Unchanged |
| ETF Portfolio Partners, Inc. | 3,692 | $208.0K | 0.05% | 00.0% | Unchanged |
| Waterloo Capital, L.P. | 3,672 | $206.8K | 0.01% | +10+0.3% | Added |
| Ascent Group, LLC | 3,650 | $205.6K | 0.01% | 00.0% | Unchanged |
| Vise Technologies, Inc. | 3,648 | $205.5K | 0.00% | +3,648 | New |
| Requisite Capital Management, LLC | 3,642 | $205.2K | 0.03% | 00.0% | Unchanged |
| Rowland & Co Investment Counsel | 3,639 | $205.0K | 0.04% | +525+16.9% | Added |
| ARK & TLK Investments, LLC | 3,620 | $203.9K | 0.05% | +3,620 | New |
| Naples Global Advisors, LLC | 3,600 | $202.8K | 0.01% | 00.0% | Unchanged |
| JustInvest LLC | 3,596 | $202.6K | 0.00% | −1,848−33.9% | Reduced |
| Pacitti Group Inc. | 3,594 | $202.4K | 0.06% | +3,594 | New |
| Colonial Trust Co | 3,592 | $202.3K | 0.03% | +100+2.9% | Added |
| Virtus Investment Advisers, Inc. | 3,431 | $193.3K | 0.05% | +221+6.9% | Added |
| Arlington Trust Co LLC | 3,300 | $185.9K | 0.02% | 00.0% | Unchanged |
| Nemes Rush Group LLC | 3,264 | $183.9K | 0.02% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 3,224 | $181.6K | 0.00% | +3,030+1,561.9% | Added |
| SOA Wealth Advisors, LLC. | 3,191 | $179.7K | 0.03% | 00.0% | Unchanged |
| Tiaa Trust, National Association | 3,104 | $174.8K | 0.01% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 2,996 | $169.0K | 0.02% | +57+1.9% | Added |
| Global Retirement Partners, LLC | 2,908 | $163.8K | 0.00% | +2,908 | New |
| Ancora Advisors, LLC | 2,850 | $160.5K | 0.00% | −477−14.3% | Reduced |
| Smithfield Trust Co | 2,725 | $154.0K | 0.01% | 00.0% | Unchanged |
| Hilton Head Capital Partners, LLC | 2,717 | $153.0K | 0.08% | +275+11.3% | Added |
| McDonald Partners LLC | 2,700 | $152.1K | 0.04% | +2,700 | New |
| Keating Financial Advisory Services, Inc. | 2,581 | $145.4K | 0.02% | +218+9.2% | Added |
| Parvin Asset Management, LLC | 2,515 | $141.7K | 0.11% | +2,515 | New |
| Boyd Watterson Asset Management LLC | 2,465 | $138.9K | 0.04% | 00.0% | Unchanged |
| Ritter Daniher Financial Advisory LLC | 2,173 | $122.4K | 0.02% | 00.0% | Unchanged |
| Proffitt & Goodson Inc | 2,148 | $121.0K | 0.02% | 00.0% | Unchanged |
| Private Trust Co NA | 2,000 | $112.7K | 0.01% | 00.0% | Unchanged |
| Caldwell Trust Co | 1,935 | $109.0K | 0.01% | +1,300+204.7% | Added |
| Clear Street Markets LLC | 1,900 | $107.0K | 0.02% | −200−9.5% | Reduced |
| Heritage Wealth Advisors | 1,819 | $102.4K | 0.00% | +260+16.7% | Added |
| Cary Street Partner Investment Advisory LLC | 1,800 | $101.4K | 0.02% | −600−25.0% | Reduced |
| Russell Investments Group, Ltd. | 1,734 | $97.7K | 0.00% | +79+4.8% | Added |
| Vestor Capital, LLC | 1,641 | $95.0K | 0.01% | +1,641 | New |
| CWM Advisors, LLC | 1,656 | $93.3K | 0.00% | +32+2.0% | Added |
| HM Payson & Co | 1,563 | $88.0K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 1,550 | $87.3K | 0.00% | −1,518−49.5% | Reduced |
| Fifth Third Bancorp | 1,549 | $87.3K | 0.00% | +50+3.3% | Added |
| Ronald Blue Trust, Inc. | 1,535 | $86.5K | 0.00% | 00.0% | Unchanged |
| Citizens National Bank Trust Department | 1,465 | $82.5K | 0.01% | 00.0% | Unchanged |
| Central Trust Co | 1,457 | $82.1K | 0.00% | 00.0% | Unchanged |
| Avalon Trust Co | 1,387 | $78.1K | 0.00% | 00.0% | Unchanged |
| Continuum Advisory, LLC | 1,379 | $77.7K | 0.01% | +1,379 | New |
| MCF Advisors LLC | 1,340 | $75.5K | 0.00% | +24+1.8% | Added |
| Prosperity Bancshares Inc | 1,312 | $73.9K | 0.05% | +500+61.6% | Added |
| Creative Financial Designs Inc | 1,260 | $71.0K | 0.00% | 00.0% | Unchanged |
| Acumen Wealth Advisors, LLC | 1,253 | $70.6K | 0.01% | −1,350−51.9% | Reduced |
| Aventura Private Wealth, LLC | 1,243 | $70.0K | 0.02% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 1,228 | $69.2K | 0.00% | +700+132.6% | Added |
| Geneos Wealth Management Inc. | 1,135 | $63.9K | 0.00% | 00.0% | Unchanged |
| Mather Group, LLC. | 1,123 | $63.3K | 0.00% | +59+5.5% | Added |
| Activest Wealth Management | 1,086 | $61.2K | 0.01% | +21+2.0% | Added |
| TIAA Wealth Investment Management LLC | 1,081 | $60.9K | 0.00% | +1,081 | New |
| 1 North Wealth Services LLC | 1,081 | $60.9K | 0.02% | +21+2.0% | Added |
| Harbor Investment Advisory, LLC | 1,000 | $56.3K | 0.00% | 00.0% | Unchanged |
| Atlantic Private Wealth, LLC | 1,000 | $56.3K | 0.03% | 00.0% | Unchanged |
| Vision Retirement, LLC | 998 | $56.2K | 0.01% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 996 | $56.1K | 0.00% | +970+3,730.8% | Added |
| First Horizon Corp | 950 | $53.5K | 0.00% | −275−22.4% | Reduced |
| Institute for Wealth Management, LLC. | 936 | $52.7K | 0.00% | +936 | New |
| Groesbeck Investment Management Corp | 910 | $51.0K | 0.08% | 00.0% | Unchanged |
| Hickory Point Bank & Trust | 900 | $50.7K | 0.03% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 861 | $48.5K | 0.00% | −1,293−60.0% | Reduced |
| Quent Capital, LLC | 846 | $47.7K | 0.00% | −1−0.1% | Reduced |
| Assetmark, Inc | 823 | $46.4K | 0.00% | +264+47.2% | Added |
| Wiser Advisor Group LLC | 801 | $45.1K | 0.05% | +15+1.9% | Added |
| Axiom Investment Management LLC | 800 | $45.1K | 0.03% | 00.0% | Unchanged |
| Trust Co of Toledo NA | 750 | $42.2K | 0.00% | 00.0% | Unchanged |
| VSM Wealth Advisory, LLC | 712 | $40.1K | 0.01% | 00.0% | Unchanged |
| Tanglewood Legacy Advisors, LLC | 696 | $39.2K | 0.01% | 00.0% | Unchanged |
| Tiaa-Cref Individual & Institutional Services, LLC | 632 | $35.6K | 0.00% | −1,017−61.7% | Reduced |
| Elequin Capital LP | 534 | $30.1K | 0.00% | +117+28.1% | Added |
| PlanVest Financial, Inc | 524 | $29.5K | 0.02% | 00.0% | Unchanged |
| Private Wealth Asset Management, LLC | 500 | $28.2K | 0.00% | 00.0% | Unchanged |
| Trust Co of Vermont | 500 | $28.2K | 0.00% | +500 | New |
| Ramirez Asset Management, Inc. | 450 | $25.3K | 0.00% | 00.0% | Unchanged |
| Osbon Capital Management LLC | 432 | $24.3K | 0.02% | +432 | New |
| Pacifica Partners Inc. | 400 | $22.8K | 0.01% | 00.0% | Unchanged |
| Napier Financial, LLC | 400 | $22.5K | 0.00% | +400 | New |
| Concord Wealth Partners | 389 | $21.9K | 0.00% | +389 | New |
| Archer Investment Corp | 361 | $20.3K | 0.00% | +7+2.0% | Added |
| Ares Financial Consulting, LLC | 341 | $19.2K | 0.01% | 00.0% | Unchanged |