MPLX — MPLX LP
As of Q2 2026, 17 SEC-registered investment managers reported holding MPLX (MPLX LP) in their latest 13F filings, with a combined reported value of $3.00B across 53.22M shares. That is +6.2% by share count (+3.11M shares) versus the previous quarter, while reported value moved +4.8%. Ownership is concentrated: the five largest holders account for 82.8% of reported value and the top ten for 97.9%.
Compared with the prior quarter, 1 opened new positions, 7 added to existing stakes, 4 trimmed. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
MPLX is classified in the Energy sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Invesco Ltd history | Q2 2026 | 18.27M | $1.03B | 0.09% | Hold |
| Goldman Sachs Group history | Q2 2026 | 11.33M | $638.18M | 0.06% | Reduce |
| Morgan Stanley history | Q2 2026 | 5.28M | $297.19M | 0.02% | Add |
| UBS Group AG history | Q2 2026 | 5.26M | $296.25M | 0.04% | Hold |
| Fidelity Management & Research (FMR) history | Q2 2026 | 3.92M | $220.86M | 0.01% | Add |
| JPMorgan Chase & Co history | Q2 2026 | 3.43M | $192.74M | 0.02% | New |
| Bank of America Corp history | Q2 2026 | 2.07M | $116.63M | 0.01% | Reduce |
| Amundi US history | Q1 2025 | 1.41M | $73.60M | 0.03% | Hold |
| Wells Fargo & Co history | Q2 2026 | 863.08K | $48.62M | 0.01% | Add |
| Deutsche Bank AG history | Q2 2026 | 853.78K | $48.09M | 0.01% | Hold |
| Citadel Advisors history | Q2 2026 | 849.65K | $47.86M | 0.01% | Add |
| Appaloosa Management history | Q2 2026 | 502.46K | $28.30M | 0.37% | Hold |
| Citigroup Inc history | Q2 2026 | 275.87K | $15.54M | 0.01% | Add |
| BlackRock Inc history | Q2 2026 | 140.18K | $7.90M | 0.00% | Reduce |
| PNC Financial Services history | Q2 2026 | 118.99K | $6.70M | 0.00% | Add |
| Wellington Management Group history | Q1 2022 | 124.33K | $4.12M | 0.00% | Reduce |
| Northern Trust Corp history | Q2 2026 | 30.76K | $1.73M | 0.00% | Add |
| BNY Mellon history | Q2 2026 | 19.42K | $1.09M | 0.00% | Reduce |
| Geode Capital Management history | Q2 2025 | 16.56K | $852.85K | 0.00% | Add |
| Franklin Resources history | Q2 2025 | 12.92K | $665.51K | 0.00% | Add |
New Positions (Q2 2026)
- JPMorgan Chase & Co 3.43M sh · $192.74M
Fully Exited (vs previous quarter)
No tracked fund fully exited this quarter.
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Invesco Ltd | 20.78M | 20.38M | 20.02M | 20.57M | 20.51M | 20.91M | 20.11M | 20.11M | 20.92M | 20.84M | 20.82M | 21.17M | 21.04M | 20.96M | 20.05M | 19.42M | 19.56M | 18.19M | 18.27M | 18.27M |
| Goldman Sachs Group | 14.30M | 14.48M | 14.41M | 12.52M | 12.75M | 13.17M | 13.91M | 13.56M | 16.02M | 17.30M | 14.67M | 15.78M | 14.94M | 13.57M | 13.65M | 14.15M | 13.10M | 12.46M | 12.51M | 11.33M |
| Morgan Stanley | 5.07M | 5.55M | 5.04M | 4.45M | 4.40M | 5.14M | 5.32M | 5.57M | 5.81M | 5.74M | 8.47M | 7.05M | 6.46M | 5.58M | 6.46M | 5.24M | 4.66M | 5.76M | 4.96M | 5.28M |
| UBS Group AG | 4.85M | 4.84M | 5.27M | 5.80M | 6.22M | 5.29M | 5.63M | 5.23M | 5.87M | 5.74M | 6.39M | 5.74M | 5.62M | 6.11M | 6.20M | 6.81M | 5.27M | 5.30M | 5.23M | 5.26M |
| Fidelity Management & Research (FMR) | 338.99K | 275.99K | 260.81K | 179.56K | 185.97K | 194.65K | 177.01K | 335.16K | 372.24K | 165.50K | 135.34K | 168.97K | 823.47K | 1.99M | 1.94M | 1.42M | 1.67M | 1.67M | 3.36M | 3.92M |
| JPMorgan Chase & Co | 5.03M | 2.75M | 1.45M | 1.20M | 1.70M | 693.75K | 4.30M | 4.53M | 2.24M | 7.16M | 6.64M | 6.75M | 5.71M | 4.39M | 5.05M | 4.87M | 4.66M | 3.29M | — | 3.43M |
| Bank of America Corp | 13.46M | 12.01M | 14.40M | 13.07M | 12.52M | 11.08M | 12.98M | 12.26M | 12.23M | 11.28M | 8.70M | 17.20M | 16.56M | 8.08M | 9.12M | 9.87M | 9.35M | 8.53M | 2.57M | 2.07M |
| Wells Fargo & Co | 985.07K | 1.01M | 1.06M | 1.15M | 1.29M | 1.28M | 1.11M | 1.06M | 1.07M | 1.16M | 1.01M | 1.02M | 717.74K | 923.06K | 928.96K | 783.86K | 736.89K | 748.67K | 805.23K | 863.08K |
| Deutsche Bank AG | 3.23M | 4.76M | 4.78M | 4.81M | 4.80M | 5.18M | 1.66M | 1.69M | 1.51M | 1.51M | 1.53M | 1.41M | 1.14M | 912.44K | 880.18K | 982.93K | 930.18K | 853.78K | 853.78K | 853.78K |
| Citadel Advisors | 1.29M | 1.16M | 1.03M | 957.60K | 1.29M | 2.34M | 1.86M | 1.07M | 2.57M | 1.47M | 2.30M | 1.08M | 942.02K | 1.94M | 1.82M | 1.05M | 720.50K | 1.04M | 488.05K | 849.65K |
| Appaloosa Management | 519.71K | 519.71K | 120.38K | 192.32K | 192.32K | 192.32K | 192.32K | 182.32K | 182.32K | 660.00K | 660.00K | 611.50K | 578.50K | 578.50K | 578.50K | 578.50K | 535.00K | 627.50K | 502.46K | 502.46K |
| Citigroup Inc | 2.20M | 1.74M | 2.17M | 1.25M | 1.23M | 933.45K | 1.49M | 1.26M | 2.03M | 1.78M | 1.19M | 1.11M | 1.14M | 461.84K | 542.09K | 466.23K | 606.93K | 463.87K | 221.86K | 275.87K |
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 91.97K | 91.97K | 110.75K | 585.59K | 583.59K | 141.61K | 141.24K | 140.18K |
| PNC Financial Services | 81.14K | 83.55K | 81.38K | 90.99K | 90.13K | 103.38K | 109.30K | 110.53K | 118.00K | 106.24K | 102.22K | 102.98K | 101.08K | 99.56K | 93.02K | 92.79K | 113.02K | 114.42K | 117.40K | 118.99K |
| Northern Trust Corp | 202.44K | 173.96K | 73.78K | 57.01K | 57.00K | 79.92K | 86.02K | 64.23K | 61.52K | 62.63K | 61.45K | 51.46K | 54.80K | 36.42K | 316.11K | 33.98K | 25.87K | 26.48K | 28.95K | 30.76K |
| BNY Mellon | — | — | — | — | — | — | — | — | 5.88K | 6.48K | 14.26K | 15.93K | 33.78K | 14.05K | 17.53K | 18.02K | 14.34K | 37.48K | 33.87K | 19.42K |
| Foresight Global Investors | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8.46K | 8.46K | 8.46K |
| Amundi US | 1.07M | 1.64M | 2.20M | 2.51M | 2.08M | 814.36K | 814.36K | 814.36K | 937.82K | 1.50M | 1.58M | 1.41M | 1.41M | 1.41M | 1.41M | — | — | — | — | — |
| Franklin Resources | 21.95K | 21.95K | 21.95K | 21.95K | 21.21K | 21.21K | 21.21K | 21.21K | 21.21K | 21.21K | 21.21K | 21.21K | 21.21K | 21.21K | 12.12K | 12.92K | — | — | — | — |
| Geode Capital Management | 24.09K | 23.70K | 23.89K | 23.07K | 14.43K | 14.14K | 14.61K | 15.04K | 14.21K | 14.38K | 14.61K | 14.70K | 15.49K | 15.15K | 15.54K | 16.56K | — | — | — | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
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