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 |
|---|---|---|---|---|---|
| Caldwell Trust Co | 635 | $36.2K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 559 | $31.9K | 0.00% | +251+81.5% | Added |
| EverSource Wealth Advisors, LLC | 528 | $30.1K | 0.00% | 00.0% | Unchanged |
| PlanVest Financial, Inc | 524 | $29.9K | 0.02% | +524 | New |
| Private Wealth Asset Management, LLC | 500 | $28.5K | 0.00% | 00.0% | Unchanged |
| Ramirez Asset Management, Inc. | 450 | $25.7K | 0.00% | 00.0% | Unchanged |
| Elequin Capital LP | 417 | $23.8K | 0.00% | +417 | New |
| Pacifica Partners Inc. | 400 | $22.8K | 0.01% | 00.0% | Unchanged |
| Archer Investment Corp | 354 | $20.2K | 0.00% | +6+1.7% | Added |
| Ares Financial Consulting, LLC | 341 | $19.1K | 0.01% | 00.0% | Unchanged |
| Twin Peaks Wealth Advisors, LLC | 332 | $18.9K | 0.00% | +332 | New |
| C M Bidwell & Associates Ltd | 326 | $18.6K | 0.01% | 00.0% | Unchanged |
| Key Financial Inc | 300 | $17.1K | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 288 | $16.4K | 0.00% | +4+1.4% | Added |
| Curio Wealth, LLC | 263 | $15.0K | 0.01% | 00.0% | Unchanged |
| Signature Equity Partners, LLC | 215 | $12.3K | 0.01% | −766−78.1% | Reduced |
| Financial Network Wealth Advisors LLC | 210 | $12.0K | 0.01% | +1+0.5% | Added |
| Chilton Capital Management LLC | 200 | $11.4K | 0.00% | −450−69.2% | Reduced |
| Bravera Wealth | 200 | $11.4K | 0.01% | −27−11.9% | Reduced |
| Country Trust Bank | 200 | $11.4K | 0.00% | 00.0% | Unchanged |
| HHM Wealth Advisors, LLC | 200 | $11.4K | 0.00% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 194 | $11.1K | 0.00% | 00.0% | Unchanged |
| Pacific Center for Financial Services | 149 | $8.50K | 0.00% | +149 | New |
| Vision Financial Markets LLC | 133 | $7.56K | 0.01% | +3+2.3% | Added |
| Westside Investment Management, Inc. | 130 | $7.27K | 0.00% | +130 | New |
| Strengthening Families & Communities, LLC | 126 | $7.19K | 0.00% | 00.0% | Unchanged |
| Signature Resources Capital Management, LLC | 108 | $6.16K | 0.00% | +108 | New |
| Costello Asset Management, INC | 104 | $5.93K | 0.00% | 00.0% | Unchanged |
| Grove Bank & Trust | 100 | $5.71K | 0.00% | 00.0% | Unchanged |
| Measured Wealth Private Client Group, LLC | 100 | $5.71K | 0.00% | 00.0% | Unchanged |
| Bullseye Investment Management, LLC | 100 | $5.71K | 0.00% | 00.0% | Unchanged |
| Evolution Wealth Management Inc. | 100 | $5.71K | 0.00% | +100 | New |
| JPL Wealth Management, LLC | 100 | $5.71K | 0.00% | +100 | New |
| Kozak & Associates, Inc. | 96 | $5.36K | 0.00% | +2+2.1% | Added |
| Center for Financial Planning, Inc. | 85 | $4.85K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 69 | $3.94K | 0.00% | +69 | New |
| Rialto Wealth Management, LLC | 55 | $3.14K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 63 | $3.00K | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 26 | $1.48K | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 23 | $1.31K | 0.00% | 00.0% | Unchanged |
| Investors Research Corp | 20 | $1.14K | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 16 | $933 | 0.00% | 00.0% | Unchanged |
| Gunpowder Capital Management, LLC dba Oliver Wealth Management | 14 | $799 | 0.00% | 00.0% | Unchanged |
| Cedar Mountain Advisors, LLC | 11 | $628 | 0.00% | +11 | New |
| DHJJ Financial Advisors, Ltd. | 10 | $571 | 0.00% | 00.0% | Unchanged |
| Mountain Hill Investment Partners Corp. | 2 | $122 | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −156,208−100.0% | Sold out |
| Norden Group LLC | 0 | $0 | 0.00% | −142,300−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −99,945−100.0% | Sold out |
| Prevail Innovative Wealth Advisors, LLC | 0 | $0 | 0.00% | −75,091−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −65,353−100.0% | Sold out |
| Mizuho Markets Cayman LP | 0 | $0 | 0.00% | −60,308−100.0% | Sold out |
| Exit Wealth Advisors, LLC. | 0 | $0 | 0.00% | −41,346−100.0% | Sold out |
| Milestone Asset Management, LLC | 0 | $0 | 0.00% | −37,432−100.0% | Sold out |
| Northern Right Capital Management, L.P. | 0 | $0 | 0.00% | −35,038−100.0% | Sold out |
| Veracity Capital LLC | 0 | $0 | 0.00% | −25,638−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −22,152−100.0% | Sold out |
| CFO4Life Group, LLC | 0 | $0 | 0.00% | −18,500−100.0% | Sold out |
| Three Seasons Wealth, LLC | 0 | $0 | 0.00% | −14,528−100.0% | Sold out |
| First Heartland Consultants, Inc. | 0 | $0 | 0.00% | −11,543−100.0% | Sold out |
| Granite Group Advisors, LLC | 0 | $0 | 0.00% | −10,621−100.0% | Sold out |
| Axxcess Wealth Management, LLC | 0 | $0 | 0.00% | −10,232−100.0% | Sold out |
| BridgePort Financial Solutions, LLC | 0 | $0 | 0.00% | −10,154−100.0% | Sold out |
| True North Advisors, LLC | 0 | $0 | 0.00% | −8,420−100.0% | Sold out |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | 0.00% | −8,300−100.0% | Sold out |
| MSH Capital Advisors LLC | 0 | $0 | 0.00% | −8,080−100.0% | Sold out |
| Roman Butler Fullerton & Co | 0 | $0 | 0.00% | −7,249−100.0% | Sold out |
| Magnolia Capital Advisors LLC | 0 | $0 | 0.00% | −6,613−100.0% | Sold out |
| Capital Advisory Group Advisory Services, LLC | 0 | $0 | 0.00% | −6,279−100.0% | Sold out |
| Wellington Shields Capital Management, LLC | 0 | $0 | 0.00% | −6,000−100.0% | Sold out |
| Prossimo Advisors, LLC | 0 | $0 | 0.00% | −5,994−100.0% | Sold out |
| Tucker Asset Management LLC | 0 | $0 | 0.00% | −5,560−100.0% | Sold out |
| StoneX Group Inc. | 0 | $0 | 0.00% | −5,531−100.0% | Sold out |
| Soltis Investment Advisors LLC | 0 | $0 | 0.00% | −5,468−100.0% | Sold out |
| Madden Securities Corp | 0 | $0 | 0.00% | −5,308−100.0% | Sold out |
| Meridian Wealth Management, LLC | 0 | $0 | 0.00% | −5,109−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Austin Wealth Management, LLC | 0 | $0 | 0.00% | −4,756−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −4,605−100.0% | Sold out |
| Stonehaven Wealth & Tax Solutions, LLC | 0 | $0 | 0.00% | −4,520−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −4,450−100.0% | Sold out |
| Simon Quick Advisors, LLC | 0 | $0 | 0.00% | −4,400−100.0% | Sold out |
| Stableford Capital II LLC | 0 | $0 | 0.00% | −3,920−100.0% | Sold out |
| Tocqueville Asset Management L.P. | 0 | $0 | 0.00% | −3,900−100.0% | Sold out |
| Ramiah Investment Group | 0 | $0 | 0.00% | −3,867−100.0% | Sold out |
| Willis Johnson & Associates, Inc. | 0 | $0 | 0.00% | −3,861−100.0% | Sold out |
| Gryphon Financial Partners LLC | 0 | $0 | 0.00% | −3,828−100.0% | Sold out |
| J Hagan Capital, Inc. | 0 | $0 | 0.00% | −3,823−100.0% | Sold out |
| Bluefin Capital Management, LLC | 0 | $0 | 0.00% | −3,800−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −2,050−100.0% | Sold out |
| Garton & Associates Financial Advisors LLC | 0 | $0 | 0.00% | −1,632−100.0% | Sold out |
| Brandywine Financial Group | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −948−100.0% | Sold out |
| Eq Wealth Advisors, LLC | 0 | $0 | 0.00% | −594−100.0% | Sold out |
| Merited Wealth, LLC | 0 | $0 | 0.00% | −545−100.0% | Sold out |
| Solstein Capital, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Wellington Shields & Co., LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −389−100.0% | Sold out |
| Darwin Advisors, LLC | 0 | $0 | 0.00% | −240−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |