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MPLX — MPLX LP

Reported value held$3.08B
Funds holding (latest)22
SectorEnergy
Funds holding (Q2 2026)17
Institutional value$3.00B · 53.22M sh
New / Add / Cut / Exit1 / 7 / 4 / 0
Top-5 / Top-10 concentration82.8% / 97.9%
Institutional holdings change Accumulating +6.2% (+3.11M sh)
Institutional value change Up +4.8%

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.

FundQuarterSharesValuePortfolio WeightChange
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

View all 22 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

No tracked fund fully exited this quarter.

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 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 — — — —

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