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Marathon Petro (MPC)
NYSE
$246.25-$1.04 (-0.42%)
Price as of Jun 23, 2026 7:58 PM EDT- $72.2BMarket Cap
- 51.33%1-Year Change
- Oil & Gas Refining & MarketingIndustry
Marathon Petro (MPC)
$246.25-$1.04 (-0.42%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD GROUP INC | 13.12% | 38.3M | -52,760 (-0.14%) | Dec 31, 2025 |
BLACKROCK INC. | 9.65% | 28.2M | -1.8M (-6.49%) | Jun 30, 2024 |
BLACKROCK FUNDING, INC. /DE | 8.48% | 24.8M | -613,848 (-2.48%) | Dec 31, 2024 |
BLACKROCK, INC. | 8.36% | 24.4M | +2.0M (+8.07%) | Mar 31, 2026 |
N/A | 6.57% | 19.2M | +19.2M (+100.00%) | Mar 31, 2026 |
STATE STREET CORP | 6.52% | 19.0M | +1.1M (+5.73%) | Mar 31, 2026 |
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. | 5.65% | 16.5M | +253,905 (+1.54%) | Dec 31, 2016 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD FIXED INCOME SECURITIES FUNDS | 23.98% | 70.0M | 0 (0.00%) | Jan 31, 2026 |
THOMPSON IM FUNDS INC | 12.55% | 36.6M | 0 (0.00%) | Feb 28, 2026 |
BAIRD FUNDS INC | 10.56% | 30.8M | 0 (0.00%) | Mar 31, 2026 |
VANGUARD INDEX FUNDS | 9.66% | 28.2M | -347,328 (-1.23%) | Mar 31, 2026 |
INVESCO ACTIVELY MANAGED EXCHANGE-TRADED FUND TRUST | 6.85% | 20.0M | 0 (0.00%) | Jan 31, 2026 |
NORTHERN FUNDS | 4.20% | 12.3M | 0 (0.00%) | Mar 31, 2026 |
LORD ABBETT INVESTMENT TRUST | 2.88% | 8.4M | 0 (0.00%) | Feb 28, 2026 |
Current Ownership Distribution
- Institutions5.4B (60.87%)
- Mutual Funds3.1B (35.03%)
- Insiders360.4M (4.10%)
- Other0 (0.00%)
Insider Transactions
- 4.10% (360.4M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 3Number of InsiderSelling (last 12 months)
- $6.6MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Hessling Ricky D. Chief Commercial Officer | Sell | Mar 13, 2026 | $371,020.68 | 1,626 | $228.18 | 7,525 |
Lyon Shawn M SVP Log & Storage, MPLX GP LLC | Gift | Mar 11, 2026 | $0.00 | 1,186 | $0.00 | 15,119 |
Brzezinski Erin M VP and Controller | In Kind | Mar 02, 2026 | $10,108.70 | 49 | $206.30 | 2,247 |
Floerke Gregory Scott Ex VP & COO, MPLX GP LLC | In Kind | Mar 02, 2026 | $57,351.40 | 278 | $206.30 | 31,560 |
Brzezinski Erin M VP and Controller | In Kind | Mar 02, 2026 | $8,664.60 | 42 | $206.30 | 2,205 |
Benson Molly R Chief Legal Ofc & Corp Sec | In Kind | Mar 02, 2026 | $35,277.30 | 171 | $206.30 | 30,966 |
Brzezinski Erin M VP and Controller | In Kind | Mar 02, 2026 | $12,171.70 | 59 | $206.30 | 2,146 |
Floerke Gregory Scott Ex VP & COO, MPLX GP LLC | In Kind | Mar 02, 2026 | $51,781.30 | 251 | $206.30 | 31,309 |
Lyon Shawn M SVP Log & Storage, MPLX GP LLC | In Kind | Mar 02, 2026 | $53,019.10 | 257 | $206.30 | 16,821 |
Henschen Michael A II Ex VP, Refining | In Kind | Mar 02, 2026 | $34,452.10 | 167 | $206.30 | 18,586 |
Lyon Shawn M SVP Log & Storage, MPLX GP LLC | In Kind | Mar 02, 2026 | $48,893.10 | 237 | $206.30 | 16,584 |
Floerke Gregory Scott Ex VP & COO, MPLX GP LLC | In Kind | Mar 02, 2026 | $57,351.40 | 278 | $206.30 | 31,031 |
Lyon Shawn M SVP Log & Storage, MPLX GP LLC | In Kind | Mar 02, 2026 | $57,557.70 | 279 | $206.30 | 16,305 |
Benson Molly R Chief Legal Ofc & Corp Sec | In Kind | Mar 02, 2026 | $58,589.20 | 284 | $206.30 | 30,682 |
Henschen Michael A II Ex VP, Refining | In Kind | Mar 02, 2026 | $25,374.90 | 123 | $206.30 | 18,463 |
Benson Molly R Chief Legal Ofc & Corp Sec | In Kind | Mar 02, 2026 | $71,792.40 | 348 | $206.30 | 30,334 |
Henschen Michael A II Ex VP, Refining | In Kind | Mar 02, 2026 | $39,403.30 | 191 | $206.30 | 18,272 |
Khoury Maria A Exec VP & Chief Fin Ofc | Award | Mar 01, 2026 | $0.00 | 2,443 | $0.00 | 4,017 |
Brzezinski Erin M VP and Controller | Award | Mar 01, 2026 | $0.00 | 509 | $0.00 | 2,296 |
Floerke Gregory Scott Ex VP & COO, MPLX GP LLC | Award | Mar 01, 2026 | $0.00 | 1,730 | $0.00 | 31,838 |
Lyon Shawn M SVP Log & Storage, MPLX GP LLC | Award | Mar 01, 2026 | $0.00 | 1,730 | $0.00 | 17,078 |
Benson Molly R Chief Legal Ofc & Corp Sec | Award | Mar 01, 2026 | $0.00 | 2,544 | $0.00 | 31,137 |
Henschen Michael A II Ex VP, Refining | Award | Mar 01, 2026 | $0.00 | 2,290 | $0.00 | 18,753 |
Henschen Michael A II Ex VP, Refining | Sell | Feb 12, 2026 | $1.1M | 5,289 | $202.32 | 16,974 |
Henschen Michael A II Ex VP, Refining | Gift | Feb 12, 2026 | $0.00 | 511 | $0.00 | 16,463 |
Khoury Maria A Exec VP & Chief Fin Ofc | Award | Feb 01, 2026 | $0.00 | 1,574 | $0.00 | 1,574 |
Henschen Michael A II Ex VP, Refining | In Kind | Dec 12, 2025 | $29,723.20 | 160 | $185.77 | 22,263 |
Lyon Shawn M SVP Log & Storage, MPLX GP LLC | In Kind | Dec 12, 2025 | $15,976.22 | 86 | $185.77 | 15,348 |
Hessling Ricky D. Chief Commercial Officer | In Kind | Dec 12, 2025 | $18,205.46 | 98 | $185.77 | 12,064 |
Benson Molly R Chief Legal Ofc & Corp Sec | In Kind | Dec 12, 2025 | $19,877.39 | 107 | $185.77 | 28,593 |