MPLX
MPLX LP
Pipe Lines (No Natural Gas)NYSELarge accelerated filer
Total Trades
4
Buys
0
Sells
4
Largest Trade
$1M+
Insiders
3
Institutional Funds
541
Inst. Value
$1M+
Activist Filings
5
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| HAGEDORN CARL KRISTOPHER | Exec VP & Chief Fi… | SELL | $100K–$500K | 4K | $47.24 | Nov 20, 2024 |
| Floerke Gregory Scott | Exec. VP and COO | SELL | $50K–$100K | 3K | $35.00 | Apr 21, 2022 |
| Floerke Gregory Scott | Exec. VP and COO | SELL | $50K–$100K | 3K | $33.20 | Feb 9, 2022 |
| SEMPLE FRANK M | Director | SELL | $1M+ | 56K | $33.50 | Feb 3, 2022 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 541 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| TORTOISE CAPITAL ADVISORS, L.L.C. | 13.3M | $1M+ | SH |
| CHICKASAW CAPITAL MANAGEMENT LLC | 5.4M | $1M+ | SH |
| UBS Group AG | 4.4M | $1M+ | SH |
| BROOKFIELD Corp /ON/ | 3.0M | $1M+ | SH |
| ING GROEP NV | 2.9M | $1M+ | SH |
| CIBC Private Wealth Group LLC | 2.7M | $1M+ | SH |
| Clearbridge Investments, LLC | 2.3M | $1M+ | SH |
| MILLER HOWARD INVESTMENTS INC /NY | 2.3M | $1M+ | SH |
| Fractal Investments LLC | 2.1M | $1M+ | SH |
| EAGLE GLOBAL ADVISORS LLC | 1.9M | $1M+ | SH |
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT | 1.9M | $1M+ | SH |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO | 1.8M | $1M+ | SH |
| AlphaCore Capital LLC | 1.6M | $1M+ | SH |
| KAYNE ANDERSON CAPITAL ADVISORS LP | 1.5M | $1M+ | SH |
| PEAK6 LLC | 1.1M | $1M+ | SH (Call) |
| Neuberger Berman Group LLC | 1.1M | $1M+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 1.1M | $1M+ | SH |
| Progeny 3, Inc. | 1.1M | $1M+ | SH |
| BARCLAYS PLC | 916K | $1M+ | SH |
| COHEN & STEERS, INC. | 881K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Marathon Petroleum Corporation
SC 13D/A · May 10, 2024
63.3%
647.4M shares
SC 13G/A · Feb 9, 2024
2.3B shares
SC 13G/A · Feb 9, 2023
5.0%
50.5M shares
Marathon Petroleum Corporation
SC 13D/A · Oct 4, 2022
64.3%
647.4M shares
SC 13G/A · Feb 11, 2022
6.5%
66.1M shares