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, Q3 2023
Institutional positions in MPLX LP as of Sep 30, 2023. 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
- 398
- +32 vs. Q2 2023
- Shares held
- 229.9M
- +5.33M (+2.4%) vs. Q2 2023
- Total value
- $8.18B
- +$555.7M (+7.3%) vs. Q2 2023
- New holders
- 54
- 133 more added
- Sold out
- 22
- 92 more reduced
4 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Groesbeck Investment Management Corp | 16,500 | $587.0K | 0.89% | 00.0% | Unchanged |
| Claybrook Capital, LLC | 16,516 | $587.5K | 0.34% | 00.0% | Unchanged |
| Sheaff Brock Investment Advisors, LLC | 17,099 | $608.2K | 0.06% | +702+4.3% | Added |
| Northwestern Mutual Wealth Management Co | 17,149 | $610.0K | 0.00% | −689−3.9% | Reduced |
| Moors & Cabot, Inc. | 17,696 | $629.4K | 0.04% | +1,000+6.0% | Added |
| Financial Counselors Inc | 18,056 | $642.3K | 0.01% | 00.0% | Unchanged |
| Bluefin Capital Management, LLC | 18,100 | $643.8K | 0.06% | +18,100 | New |
| C2C Wealth Management, LLC | 18,421 | $646.8K | 0.09% | 00.0% | Unchanged |
| SL Advisors, LLC | 18,350 | $652.6K | 1.43% | +18,350 | New |
| Axxcess Wealth Management, LLC | 18,578 | $660.8K | 0.02% | +18,578 | New |
| CFO4Life Group, LLC | 19,000 | $675.8K | 0.16% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 19,061 | $678.0K | 0.01% | +415+2.2% | Added |
| HB Wealth Management, LLC | 19,064 | $678.1K | 0.01% | +211+1.1% | Added |
| Modus Advisors, LLC | 19,606 | $697.4K | 0.30% | 00.0% | Unchanged |
| Donoghue Forlines LLC | 19,609 | $697.5K | 0.25% | +2,077+11.8% | Added |
| Jane Street Group, LLC | 19,741 | $702.2K | 0.00% | −238,744−92.4% | Reduced |
| Fayez Sarofim & Co | 20,814 | $740.4K | 0.00% | +20,814 | New |
| Advisory Services Network, LLC | 20,895 | $743.2K | 0.02% | −240−1.1% | Reduced |
| Franklin Resources Inc | 21,210 | $754.4K | 0.00% | 00.0% | Unchanged |
| Robertson Stephens Wealth Management, LLC | 21,445 | $762.8K | 0.05% | 00.0% | Unchanged |
| Grey Street Capital, LLC | 22,044 | $784.1K | 0.45% | +83+0.4% | Added |
| Cetera Investment Advisers | 23,510 | $836.3K | 0.01% | −601−2.5% | Reduced |
| American Financial Group Inc | 24,000 | $854.0K | 0.29% | +1,000+4.3% | Added |
| Exencial Wealth Advisors, LLC | 24,555 | $873.4K | 0.04% | −2,397−8.9% | Reduced |
| Creative Planning | 25,309 | $900.3K | 0.00% | −14,543−36.5% | Reduced |
| Veracity Capital LLC | 25,638 | $912.0K | 0.42% | 00.0% | Unchanged |
| Walnut Private Equity Partners, LLC | 26,500 | $942.6K | 0.72% | 00.0% | Unchanged |
| McIntyre Freedman & Flynn Investment Advisers Inc | 26,864 | $955.6K | 0.81% | +26,864 | New |
| Bessemer Group Inc | 26,881 | $956.0K | 0.00% | 00.0% | Unchanged |
| Atria Wealth Solutions, Inc. | 26,916 | $957.4K | 0.01% | +11,714+77.1% | Added |
| Oppenheimer & Co Inc | 27,700 | $985.3K | 0.02% | −26,566−49.0% | Reduced |
| Outfitter Financial LLC | 27,972 | $995.0K | 0.94% | 00.0% | Unchanged |
| Smith, Moore & Co. | 28,035 | $997.2K | 0.13% | −200−0.7% | Reduced |
| Prospera Financial Services Inc | 28,142 | $1.00M | 0.04% | +713+2.6% | Added |
| RMB Capital Management, LLC | 28,160 | $1.00M | 0.03% | +1,314+4.9% | Added |
| Apollon Wealth Management, LLC | 29,402 | $1.05M | 0.05% | +202+0.7% | Added |
| SEI Investments Co | 29,417 | $1.05M | 0.00% | −22−0.1% | Reduced |
| Oppenheimer Asset Management Inc. | 29,627 | $1.05M | 0.02% | +3,643+14.0% | Added |
| Quadrant Capital Group LLC | 29,728 | $1.06M | 0.11% | +490+1.7% | Added |
| Mutual of America Capital Management LLC | 30,005 | $1.07M | 0.01% | +131+0.4% | Added |
| Walleye Capital LLC | 30,196 | $1.07M | 0.02% | −100−0.3% | Reduced |
| Parkwood LLC | 31,107 | $1.11M | 0.20% | +2,006+6.9% | Added |
| Obermeyer Wood Investment Counsel, LLLP | 31,098 | $1.11M | 0.08% | −124−0.4% | Reduced |
| FourThought Financial Partners, LLC | 31,136 | $1.11M | 0.15% | +9,084+41.2% | Added |
| Stephens Inc | 31,201 | $1.11M | 0.02% | −2,416−7.2% | Reduced |
| Susquehanna Fundamental Investments, LLC | 31,457 | $1.12M | 0.07% | −70,732−69.2% | Reduced |
| First Republic Investment Management, Inc. | 31,514 | $1.12M | 0.00% | −7,416−19.0% | Reduced |
| ProShare Advisors LLC | 31,640 | $1.13M | 0.00% | −3,239−9.3% | Reduced |
| Umb Bank N A | 31,912 | $1.14M | 0.02% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 31,937 | $1.14M | 0.02% | +17,986+128.9% | Added |
| Cannell Peter B & Co Inc | 32,200 | $1.15M | 0.04% | 00.0% | Unchanged |
| Fortem Financial Group, LLC | 34,580 | $1.23M | 0.72% | −2,211−6.0% | Reduced |
| Stratos Wealth Partners, LTD. | 34,934 | $1.24M | 0.03% | −2,910−7.7% | Reduced |
| Empire Financial Management Company, LLC | 36,225 | $1.29M | 0.56% | −10,000−21.6% | Reduced |
| Janney Montgomery Scott LLC | 37,143 | $1.32M | 0.00% | +485+1.3% | Added |
| Mercer Global Advisors Inc | 37,209 | $1.32M | 0.01% | −1,604−4.1% | Reduced |
| Pacer Advisors, Inc. | 38,022 | $1.35M | 0.01% | −20,741−35.3% | Reduced |
| Mizuho Markets Americas LLC | 38,520 | $1.37M | 0.05% | +38,520 | New |
| SG Americas Securities, LLC | 38,740 | $1.38M | 0.02% | −1,488−3.7% | Reduced |
| Reuter James Wealth Management, LLC | 39,048 | $1.39M | 1.04% | 00.0% | Unchanged |
| Geneva Partners, LLC | 40,000 | $1.42M | 0.94% | 00.0% | Unchanged |
| Easterly Investment Partners LLC | 40,001 | $1.42M | 0.16% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 40,124 | $1.43M | 0.01% | −1,903−4.5% | Reduced |
| Lindbrook Capital, LLC | 40,191 | $1.43M | 0.16% | +1,677+4.4% | Added |
| Jump Financial, LLC | 42,000 | $1.49M | 0.06% | +42,000 | New |
| Davenport & Co LLC | 42,585 | $1.51M | 0.01% | 00.0% | Unchanged |
| Keybank National Association | 43,110 | $1.53M | 0.01% | +3,801+9.7% | Added |
| GraniteShares Advisors LLC | 43,313 | $1.54M | 1.44% | +217+0.5% | Added |
| Penn Mutual Asset Management, LLC | 44,857 | $1.60M | 1.50% | +4,730+11.8% | Added |
| Barnett & Company, Inc. | 45,420 | $1.62M | 1.26% | −1,300−2.8% | Reduced |
| Independent Advisor Alliance | 47,395 | $1.69M | 0.08% | +38,022+405.7% | Added |
| CI Private Wealth, LLC | 48,186 | $1.71M | 0.00% | +675+1.4% | Added |
| Silvercrest Asset Management Group LLC | 48,637 | $1.73M | 0.01% | −540−1.1% | Reduced |
| Jackson Hole Capital Partners, LLC | 49,263 | $1.75M | 0.51% | 00.0% | Unchanged |
| Doliver Advisors, LP | 49,620 | $1.76M | 0.53% | −500−1.0% | Reduced |
| Morningstar Investment Management LLC | 49,876 | $1.77M | 0.24% | 00.0% | Unchanged |
| US Bancorp | 49,918 | $1.78M | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 50,346 | $1.79M | 0.03% | 00.0% | Unchanged |
| Van Eck Associates Corp | 51,138 | $1.82M | 0.00% | +12,128+31.1% | Added |
| Private Advisor Group, LLC | 53,292 | $1.90M | 0.02% | +4,875+10.1% | Added |
| Alden Global Capital LLC | 56,291 | $2.00M | 1.36% | +56,291 | New |
| Fort Washington Investment Advisors Inc | 57,187 | $2.03M | 0.02% | −70,000−55.0% | Reduced |
| Williams Jones Wealth Management, LLC. | 57,983 | $2.06M | 0.03% | +2,000+3.6% | Added |
| Samalin Investment Counsel, LLC | 57,998 | $2.06M | 1.19% | +1,895+3.4% | Added |
| Botty Investors LLC | 59,504 | $2.12M | 0.81% | 00.0% | Unchanged |
| Institutional & Family Asset Management, LLC | 60,451 | $2.15M | 0.35% | +4,241+7.5% | Added |
| Commonwealth Equity Services, LLC | 60,473 | $2.15M | 0.00% | −1,575−2.5% | Reduced |
| Northern Trust Corp | 61,520 | $2.19M | 0.00% | −2,708−4.2% | Reduced |
| Childress Capital Advisors, LLC | 62,982 | $2.24M | 0.73% | +2,400+4.0% | Added |
| Moneta Group Investment Advisors LLC | 66,529 | $2.37M | 0.05% | 00.0% | Unchanged |
| Basso Capital Management, L.P. | 66,950 | $2.38M | 2.64% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 66,993 | $2.38M | 0.05% | −11,233−14.4% | Reduced |
| AE Wealth Management LLC | 72,357 | $2.57M | 0.02% | −21,436−22.9% | Reduced |
| Crescent Grove Advisors, LLC | 72,902 | $2.59M | 0.32% | +1,547+2.2% | Added |
| Dividend Assets Capital, LLC | 74,000 | $2.63M | 0.55% | −5,397−6.8% | Reduced |
| KMG Fiduciary Partners, LLC | 75,909 | $2.70M | 0.36% | −381−0.5% | Reduced |
| Pinnacle Holdings, LLC | 78,521 | $2.79M | 1.31% | −995−1.3% | Reduced |
| Cetera Advisor Networks LLC | 79,055 | $2.81M | 0.02% | +10,346+15.1% | Added |
| BlackRock Inc. | 88,627 | $3.15M | 0.00% | +12,178+15.9% | Added |
| PPM America Inc | 89,400 | $3.18M | 27.96% | 00.0% | Unchanged |