MPLX LP
MPLX · NYSE
$58.39+$0.21 (+0.36%)TodayMarket closed ·
Prev close $58.18
Who owns MPLX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 74.1% of MPLX’s shares.
- Marathon Petroleum Corporation63.8%
- Alps Advisors, Inc.2.8%
- Invesco Advisers, Inc.1.8%
- Harvest Fund Advisors LLC1.3%
- Next 6 largest institutions4.4%
- All other shareholders25.9%
| Holder | Shares | % of shares |
|---|---|---|
| Marathon Petroleum Corporation | 647.42M | 63.80% |
| Alps Advisors, Inc. | 28.60M | 2.82% |
| Invesco Advisers, Inc. | 18.24M | 1.80% |
| Harvest Fund Advisors LLC | 12.96M | 1.28% |
| Tortoise Capital Advisors, LLC | 10.50M | 1.03% |
| Goldman Sachs Asset Management, L.P. | 9.73M | 0.96% |
| Mirae Asset Global Investments (USA) LLC | 8.01M | 0.79% |
| Kayne Anderson Capital Advisors, L.P. | 5.86M | 0.58% |
| Energy Income Partners LLC | 5.38M | 0.53% |
| UBS Financial Services, Inc. | 5.26M | 0.52% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Alps Alerian MLP ETF | 28.76M | 2.83% |
| Invesco SteelPath MLP Income Fund | 11.30M | 1.11% |
| Global X MLP ETF | 4.99M | 0.49% |
| Kayne Anderson Energy Infrastructure Fund, Inc | 4.83M | 0.48% |
| Goldman Sachs MLP Energy Infrastructure Fund | 3.84M | 0.38% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of MPLX in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Breves Christine S | Award | 219 | — |
| Peiffer Garry L. | Award | 1.23K | — |
| STICE J MICHAEL | Award | 983 | — |
| Walker Ray N JR | Award | 82 | — |
| SEMPLE FRANK M | Award | 1.07K | — |
| SURMA JOHN P | Award | 1.56K | — |
| HELMS CHRISTOPHER A | Award | 1.34K | — |
| Breves Christine S | Award | 277 | — |
| Peiffer Garry L. | Award | 1.30K | — |
| STICE J MICHAEL | Award | 1.10K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 6.69M
- Days to cover
- 4.22
- % of shares outstanding
- 0.66%
- Average daily volume
- 1.59M
- Change since last report
- +0.8%
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