MPLX Ownership | Who Owns MPLX?
MPLX Ownership Summary
MPLX is owned by 19.29% institutional investors, 64.03% insiders, and 16.68% retail investors. Alps advisors is the largest institutional shareholder, holding 2.81% of MPLX shares. Cushing Midstream Strategy is the top mutual fund, with 19.02% of its assets in MPLX shares.
MPLX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | MPLX | 19.29% | 64.03% | 16.68% |
| Sector | Energy Stocks | 63.45% | 15.53% | 21.02% |
| Industry | Oil & Gas Midstream Stocks | 49.63% | 18.82% | 31.55% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Alps advisors | 28.60M | 2.81% | $1.61B |
| Invesco | 18.27M | 1.80% | $1.03B |
| Blackstone | 12.96M | 1.27% | $729.86M |
| Goldman sachs group | 11.33M | 1.11% | $638.18M |
| Tortoise capital advisors | 10.50M | 1.03% | $591.49M |
| Mirae asset global etfs | 8.01M | 0.79% | $451.29M |
| Kayne anderson capital advisors lp | 5.86M | 0.58% | $330.26M |
| Energy income partners | 5.38M | 0.53% | $303.07M |
| Morgan stanley | 5.28M | 0.52% | $297.19M |
| Ubs group | 5.26M | 0.52% | $296.25M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Ppm america inc/il | 87.20K | 32.61% | $4.91M |
| Heronetta management | 324.04K | 16.76% | $18.25M |
| Fractal investments | 1.67M | 10.84% | $93.96M |
| Chickasaw capital management | 5.21M | 10.56% | $293.58M |
| Walnut private equity partners | 268.00K | 8.46% | $15.66M |
| Alps advisors | 28.60M | 7.55% | $1.61B |
| Belfer management | 7.83K | 7.31% | $441.02K |
| Amplify investments | 8.62K | 6.71% | $485.56K |
| Longfellow investment management | 579.45K | 6.67% | $32.64M |
| Kayne anderson capital advisors lp | 5.86M | 6.48% | $330.26M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Alps advisors | 28.60M | 7.55% | 1.53M |
| Hrt financial lp | 821.05K | 0.08% | 748.11K |
| Mirae asset global etfs | 8.01M | 0.54% | 692.33K |
| Srs capital advisors | 596.04K | 0.22% | 594.31K |
| Mizuho markets americas | 575.00K | 0.51% | 575.00K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Kingstone capital partners texas | - | - | -15.08M |
| Mirae asset global investments | - | - | -5.96M |
| Tortoise capital advisors | 10.50M | 6.01% | -2.76M |
| Blackstone | 12.96M | 2.22% | -2.39M |
| Bank of montreal /can/ | 2.55M | 0.05% | -1.48M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Mizuho markets americas | 575.00K | 0.51% | 575.00K | $32.39M |
| Recurrent investment advisors | 544.71K | 1.90% | 544.71K | $30.68M |
| Treasurer of the state of north carolina | 127.72K | 0.02% | 127.72K | $7.20M |
| Group one trading | 72.90K | 0.01% | 72.90K | $4.11B |
| Caption management | 48.80K | 0.03% | 48.80K | $2.08M |
Sold Out
| Holder | Change |
|---|---|
| Transce3nd | -1.00 |
| Ridgewood investments | -12.00 |
| Abich financial wealth management | -60.00 |
| Truvestments capital | -62.00 |
| Wealth preservation advisors | -80.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 645 | -1.53% | 196,186,253 | -3.26% | 19 | 4.85% | 300 | 2.74% | 150 | -15.25% |
| Mar 31, 2026 | 416 | -34.38% | 74,000,016 | -58.48% | 7 | 2.37% | 184 | -43.56% | 106 | -18.46% |
| Dec 31, 2025 | 475 | -19.08% | 89,056,931 | -58.14% | 8 | 2.01% | 233 | -15.88% | 94 | -22.31% |
| Sep 30, 2025 | 562 | -3.93% | 209,440,684 | -1.44% | 20 | 4.73% | 265 | -4.33% | 116 | -12.12% |
| Jun 30, 2025 | 587 | 2.26% | 232,075,309 | 6.51% | 22 | 4.99% | 276 | 0.36% | 136 | 4.62% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Cushing Midstream Strategy | 193.00M | 19.02% | 4.43M |
| Alerian MLP ETF | 28.07M | 2.77% | 5.18K |
| Invesco SteelPath MLP Income Y | 11.30M | 1.11% | 50.00K |
| Kayne Anderson Energy Infrastructure Fund, Inc | 6.16M | 0.60% | - |
| Kayne Anderson Energy Infrastructure | 5.75M | 0.57% | - |
| Tortoise Midstream MLP Separate Accounts | 5.73M | 0.56% | 4.17M |
| Global X MLP ETF | 4.88M | 0.48% | 7.70K |
| Goldman Sachs MLP Energy Infras Instl | 3.67M | 0.36% | -72.92K |
| Tortoise Energy Infrastructure Inst Comp | 3.50M | 0.34% | 92.03K |
| Tortoise Strategic Midsteam Composite | 3.41M | 0.33% | -259.51K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 07, 2025 | Lyon Shawn M | Senior VP, Log. & Storage | Buy | $211.00K |
| Nov 18, 2024 | HAGEDORN CARL KRISTOPHER | Exec VP & Chief Fin Ofc | Sell | $188.96K |
| Apr 19, 2022 | Floerke Gregory Scott | Exec. VP and COO | Sell | $87.50K |
| Feb 07, 2022 | Floerke Gregory Scott | Exec. VP and COO | Sell | $83.00K |
| Feb 02, 2022 | SEMPLE FRANK M | - | Sell | $952.00K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | - |
| 2026 Q1 | - | - |
| 2025 Q4 | - | - |
| 2025 Q3 | - | - |
| 2025 Q2 | - | - |
MPLX Ownership FAQ
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