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 |
|---|---|---|---|---|---|
| Hartree Partners, LP | 30,000 | $1.71M | 0.37% | +30,000 | New |
| Clear Trail Advisors, LLC | 29,844 | $1.70M | 0.28% | −186−0.6% | Reduced |
| Northern Trust Corp | 28,953 | $1.65M | 0.00% | +2,477+9.4% | Added |
| Allworth Financial LP | 28,549 | $1.63M | 0.01% | +955+3.5% | Added |
| Independent Advisor Alliance | 28,543 | $1.63M | 0.02% | −20,628−42.0% | Reduced |
| D.A. Davidson & Co. | 28,501 | $1.63M | 0.01% | +654+2.3% | Added |
| One Charles Private Wealth Services, LLC | 28,118 | $1.60M | 0.40% | +733+2.7% | Added |
| Snowden Capital Advisors LLC | 28,065 | $1.60M | 0.04% | −2,775−9.0% | Reduced |
| Outfitter Financial LLC | 27,972 | $1.60M | 1.24% | 00.0% | Unchanged |
| Resolute Capital, LLC | 27,788 | $1.59M | 0.64% | +3,524+14.5% | Added |
| Acadian Asset Management LLC | 27,531 | $1.57M | 0.00% | 00.0% | Unchanged |
| Greenline Partners, LLC | 27,163 | $1.55M | 0.17% | +2,744+11.2% | Added |
| Argyle Capital Partners, LLC | 27,077 | $1.55M | 1.11% | +415+1.6% | Added |
| Virtu Financial LLC | 27,027 | $1.54M | 0.06% | +6,705+33.0% | Added |
| McIntyre Freedman & Flynn Investment Advisers Inc | 27,000 | $1.54M | 0.87% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 26,321 | $1.50M | 0.00% | +56+0.2% | Added |
| IFG Advisory, LLC | 26,320 | $1.50M | 4.31% | +26,320 | New |
| Johnson Investment Counsel Inc | 26,278 | $1.50M | 0.01% | +26,278 | New |
| Hourglass Capital, LLC | 25,872 | $1.48M | 0.31% | +25,872 | New |
| Exencial Wealth Advisors, LLC | 25,685 | $1.47M | 0.05% | +187+0.7% | Added |
| Bramshill Investments, LLC | 25,559 | $1.46M | 0.13% | −3,943−13.4% | Reduced |
| American Financial Group Inc | 25,000 | $1.43M | 0.53% | 00.0% | Unchanged |
| Chelsea Counsel Co | 25,000 | $1.43M | 0.63% | 00.0% | Unchanged |
| National Philanthropic Trust | 25,000 | $1.43M | 0.02% | 00.0% | Unchanged |
| Mutual Advisors, LLC | 24,813 | $1.42M | 0.03% | +5,252+26.8% | Added |
| Natixis | 23,958 | $1.37M | 0.01% | 00.0% | Unchanged |
| Robertson Stephens Wealth Management, LLC | 23,533 | $1.34M | 0.04% | +525+2.3% | Added |
| AssuredPartners Investment Advisors, LLC | 23,995 | $1.34M | 0.15% | −6,038−20.1% | Reduced |
| Spears Abacus Advisors LLC | 22,800 | $1.30M | 0.03% | −6,700−22.7% | Reduced |
| Inscription Capital, LLC | 22,656 | $1.29M | 0.14% | +91+0.4% | Added |
| C2C Wealth Management, LLC | 22,321 | $1.27M | 1.08% | +400+1.8% | Added |
| We Are One Seven, LLC | 22,298 | $1.27M | 0.03% | +2,122+10.5% | Added |
| HB Wealth Management, LLC | 22,266 | $1.27M | 0.01% | −4,324−16.3% | Reduced |
| Kovack Advisors, Inc. | 22,385 | $1.27M | 0.07% | −166−0.7% | Reduced |
| SEI Investments Co | 22,175 | $1.27M | 0.00% | +201+0.9% | Added |
| Allspring Global Investments Holdings, LLC | 22,481 | $1.26M | 0.00% | −399−1.7% | Reduced |
| Westover Capital Advisors, LLC | 21,400 | $1.22M | 0.22% | +3,600+20.2% | Added |
| Pasadena Private Wealth, LLC | 21,348 | $1.22M | 0.17% | −1,417−6.2% | Reduced |
| Inspire Advisors, LLC | 21,235 | $1.21M | 0.10% | +1,798+9.3% | Added |
| Smith, Moore & Co. | 21,165 | $1.21M | 0.09% | −1,300−5.8% | Reduced |
| Linscomb & Williams, Inc. | 21,100 | $1.20M | 0.05% | +5,152+32.3% | Added |
| Trilogy Capital Inc. | 20,822 | $1.19M | 0.05% | −250−1.2% | Reduced |
| Fayez Sarofim & Co | 20,814 | $1.19M | 0.00% | 00.0% | Unchanged |
| CVFG LLC | 20,700 | $1.18M | 0.15% | +20,700 | New |
| Tred Avon Family Wealth, LLC | 20,342 | $1.16M | 0.39% | +3,495+20.7% | Added |
| Guggenheim Capital LLC | 20,290 | $1.16M | 0.01% | −1,021−4.8% | Reduced |
| Novem Group | 20,156 | $1.15M | 0.13% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 19,427 | $1.11M | 0.01% | +8,737+81.7% | Added |
| Burford Brothers, Inc. | 18,890 | $1.08M | 0.44% | +1,441+8.3% | Added |
| Wedbush Securities Inc | 18,683 | $1.07M | 0.03% | −539−2.8% | Reduced |
| Prime Capital Investment Advisors, LLC | 18,175 | $1.04M | 0.01% | +1,806+11.0% | Added |
| 49 Wealth Management, LLC | 18,037 | $1.03M | 0.08% | +955+5.6% | Added |
| Cascade Financial Partners, LLC | 17,616 | $1.01M | 0.10% | +1,275+7.8% | Added |
| Toroso Investments, LLC | 17,300 | $987.3K | 0.00% | +17,300 | New |
| Brown Brothers Harriman & Co | 17,260 | $985.0K | 0.01% | 00.0% | Unchanged |
| SL Advisors, LLC | 17,229 | $983.3K | 1.66% | 00.0% | Unchanged |
| Sym Financial Corp | 16,609 | $947.9K | 0.09% | +12,784+334.2% | Added |
| Pensionmark Financial Group, LLC | 16,553 | $944.7K | 0.02% | −1,492−8.3% | Reduced |
| VELA Investment Management, LLC | 16,513 | $942.4K | 0.24% | −18,833−53.3% | Reduced |
| Searle & Co. | 16,400 | $935.9K | 0.24% | −1,000−5.7% | Reduced |
| Cherry Creek Investment Advisors, Inc. | 16,372 | $934.3K | 0.41% | +768+4.9% | Added |
| Fulcrum Asset Management LLP | 16,052 | $925.7K | 0.14% | 00.0% | Unchanged |
| SageGuard Financial Group, LLC | 16,017 | $914.1K | 0.14% | −662−4.0% | Reduced |
| First Interstate Bank | 16,000 | $913.1K | 0.05% | 00.0% | Unchanged |
| Segment Wealth Management, LLC | 15,447 | $881.6K | 0.05% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 15,433 | $880.8K | 0.10% | +8,730+130.2% | Added |
| Rehmann Capital Advisory Group | 15,152 | $864.7K | 0.05% | −814−5.1% | Reduced |
| Larson Financial Group LLC | 15,129 | $863.4K | 0.03% | −5,782−27.7% | Reduced |
| Truist Financial Corp | 14,881 | $849.2K | 0.00% | +2,914+24.4% | Added |
| Cary Street Partners Financial LLC | 14,698 | $838.8K | 0.02% | +27+0.2% | Added |
| Hardy Reed LLC | 14,670 | $837.2K | 0.06% | −600−3.9% | Reduced |
| Steel Peak Wealth Management LLC | 14,385 | $821.0K | 0.03% | +396+2.8% | Added |
| Highlander Partners, L.P. | 14,291 | $815.6K | 0.32% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 14,282 | $815.0K | 0.00% | +3,587+33.5% | Added |
| HighPoint Advisor Group LLC | 14,230 | $812.1K | 0.03% | −2,593−15.4% | Reduced |
| Beacon Pointe Advisors, LLC | 14,133 | $806.6K | 0.00% | +2,968+26.6% | Added |
| Aviance Capital Partners, LLC | 14,015 | $799.8K | 0.09% | −459−3.2% | Reduced |
| Bessemer Group Inc | 14,010 | $799.0K | 0.00% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 13,943 | $795.7K | 0.03% | −550−3.8% | Reduced |
| ARS Investment Partners, LLC | 13,900 | $793.3K | 0.04% | +1,000+7.8% | Added |
| Modus Advisors, LLC | 13,875 | $791.8K | 0.22% | −5,731−29.2% | Reduced |
| Concurrent Investment Advisors, LLC | 13,871 | $791.6K | 0.01% | −7,722−35.8% | Reduced |
| J.W. Cole Advisors, Inc. | 13,493 | $770.0K | 0.03% | +103+0.8% | Added |
| Ausdal Financial Partners, Inc. | 13,472 | $768.8K | 0.03% | +20.0% | Added |
| Commerce Bank | 13,333 | $760.9K | 0.00% | +1,809+15.7% | Added |
| Cornerstone Select Advisors, LLC | 13,259 | $756.7K | 0.47% | +13,259 | New |
| Augustine Asset Management Inc | 13,074 | $746.1K | 0.17% | −60.0% | Reduced |
| Advisory Advocates, LLC | 12,928 | $737.8K | 0.75% | +489+3.9% | Added |
| Jones Financial Companies LLLP | 12,673 | $736.5K | 0.00% | +808+6.8% | Added |
| Peddock Capital Advisors, LLC | 12,799 | $730.4K | 0.16% | +5,974+87.5% | Added |
| Savant Capital, LLC | 12,755 | $727.9K | 0.00% | +20.0% | Added |
| Bradley Foster & Sargent Inc | 12,725 | $726.2K | 0.01% | 00.0% | Unchanged |
| Arete Wealth Advisors, LLC | 12,659 | $722.4K | 0.05% | +165+1.3% | Added |
| Diversified Trust Co | 12,478 | $712.1K | 0.01% | 00.0% | Unchanged |
| Addis & Hill, Inc | 12,150 | $693.4K | 0.42% | −504−4.0% | Reduced |
| Jefferies Financial Group Inc. | 12,019 | $685.9K | 0.01% | −2,415−16.7% | Reduced |
| Northstar Advisory Group, LLC | 12,000 | $684.8K | 0.26% | +500+4.3% | Added |
| Stratos Wealth Advisors, LLC | 11,939 | $681.4K | 0.04% | +8+0.1% | Added |
| David R. Rahn & Associates Inc. | 11,635 | $664.0K | 0.19% | 00.0% | Unchanged |
| Monetary Management Group Inc | 11,600 | $662.0K | 0.16% | 00.0% | Unchanged |