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MPLX (MPLX)
NYSE
$58.50+$0.09 (+0.15%)
Price as of Aug 21, 2026 7:39 PM EDT- $59.2BMarket Cap
- 24.46%1-Year Change
- Oil & Gas MidstreamIndustry
MPLX (MPLX)
$58.50+$0.09 (+0.15%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKSTONE GROUP INC | 6.52% | 66.1M | -612,543 (-0.93%) | Dec 31, 2021 |
HARVEST FUND ADVISORS LLC | 2.84% | 28.8M | +1.1M (+3.92%) | Mar 31, 2020 |
ALPS ADVISORS INC | 2.82% | 28.6M | +1.5M (+5.35%) | Jun 30, 2026 |
INVESCO LTD. | 1.80% | 18.3M | +6,842 (+0.04%) | Jun 30, 2026 |
BLACKSTONE INC. | 1.28% | 13.0M | -2.4M (-18.47%) | Jun 30, 2026 |
GOLDMAN SACHS GROUP INC | 1.12% | 11.3M | -1.2M (-10.40%) | Jun 30, 2026 |
TORTOISE CAPITAL ADVISORS, L.L.C. | 1.03% | 10.5M | -2.8M (-26.29%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
LORD ABBETT INVESTMENT TRUST | 9.79% | 99.4M | 0 (0.00%) | May 31, 2026 |
JOHN HANCOCK SOVEREIGN BOND FUND | 5.37% | 54.5M | 0 (0.00%) | May 31, 2026 |
BAIRD FUNDS INC | 4.85% | 49.2M | 0 (0.00%) | Jun 30, 2026 |
VANGUARD FIXED INCOME SECURITIES FUNDS | 4.09% | 41.5M | 0 (0.00%) | Apr 30, 2026 |
THOMPSON IM FUNDS INC | 3.72% | 37.8M | 0 (0.00%) | May 31, 2026 |
ALPS ETF Trust | 2.69% | 27.3M | +2.1M (+7.78%) | May 31, 2026 |
PRUDENTIAL SHORT-TERM CORPORATE BOND FUND, INC. | 1.80% | 18.3M | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Mutual Funds7.2B (62.04%)
- Institutions4.4B (37.94%)
- Insiders3.2M (0.03%)
- Other0 (0.00%)
Insider Transactions
- 0.03% (3.2M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
HELMS CHRISTOPHER A | Award | Aug 14, 2026 | $0.00 | 1,337 | $0.00 | 86,208 |
STICE J MICHAEL | Award | Aug 14, 2026 | $0.00 | 983 | $0.00 | 58,413 |
SURMA JOHN P | Award | Aug 14, 2026 | $0.00 | 1,563 | $0.00 | 95,448 |
Breves Christine S | Award | Aug 14, 2026 | $0.00 | 219 | $0.00 | 15,038 |
Floerke Gregory Scott Exec. VP and COO | In Kind | Mar 02, 2026 | $58,923.90 | 995 | $59.22 | 97,234 |
HAGEDORN CARL KRISTOPHER Exec VP & Chief Fin Ofc | In Kind | Mar 02, 2026 | $24,990.84 | 422 | $59.22 | 21,988 |
Mannen Maryann T. Chairman, President & CEO | In Kind | Mar 02, 2026 | $201,762.54 | 3,407 | $59.22 | 175,272 |
Lyon Shawn M Senior VP, Log. & Storage | In Kind | Mar 02, 2026 | $54,482.40 | 920 | $59.22 | 30,120 |
Floerke Gregory Scott Exec. VP and COO | In Kind | Mar 02, 2026 | $65,142.00 | 1,100 | $59.22 | 96,134 |
HAGEDORN CARL KRISTOPHER Exec VP & Chief Fin Ofc | In Kind | Mar 02, 2026 | $54,245.52 | 916 | $59.22 | 21,072 |
Benson Molly R Chief Legal Ofc & Corp Sec | In Kind | Mar 02, 2026 | $36,361.08 | 614 | $59.22 | 48,352 |
Lyon Shawn M Senior VP, Log. & Storage | In Kind | Mar 02, 2026 | $61,174.26 | 1,033 | $59.22 | 29,087 |
Floerke Gregory Scott Exec. VP and COO | In Kind | Mar 02, 2026 | $47,198.34 | 797 | $59.22 | 95,337 |
HAGEDORN CARL KRISTOPHER Exec VP & Chief Fin Ofc | In Kind | Mar 02, 2026 | $39,262.86 | 663 | $59.22 | 20,409 |
Mannen Maryann T. Chairman, President & CEO | In Kind | Mar 02, 2026 | $201,584.88 | 3,404 | $59.22 | 171,868 |
Lyon Shawn M Senior VP, Log. & Storage | In Kind | Mar 02, 2026 | $47,257.56 | 798 | $59.22 | 28,289 |
Benson Molly R Chief Legal Ofc & Corp Sec | In Kind | Mar 02, 2026 | $73,432.80 | 1,240 | $59.22 | 47,112 |
Mannen Maryann T. Chairman, President & CEO | In Kind | Mar 02, 2026 | $379,540.98 | 6,409 | $59.22 | 165,459 |
Benson Molly R Chief Legal Ofc & Corp Sec | In Kind | Mar 02, 2026 | $59,101.56 | 998 | $59.22 | 46,114 |
HAGEDORN CARL KRISTOPHER Exec VP & Chief Fin Ofc | Award | Mar 01, 2026 | $0.00 | 4,930 | $0.00 | 22,410 |
Floerke Gregory Scott Exec. VP and COO | Award | Mar 01, 2026 | $0.00 | 5,986 | $0.00 | 98,229 |
Khoury Maria A | Award | Mar 01, 2026 | $0.00 | 8,451 | $0.00 | 8,451 |
Mannen Maryann T. Chairman, President & CEO | Award | Mar 01, 2026 | $0.00 | 52,817 | $0.00 | 178,679 |
Lyon Shawn M Senior VP, Log. & Storage | Award | Mar 01, 2026 | $0.00 | 5,986 | $0.00 | 31,040 |
Benson Molly R Chief Legal Ofc & Corp Sec | Award | Mar 01, 2026 | $0.00 | 8,803 | $0.00 | 48,966 |
Peiffer Garry L. | Award | Feb 17, 2026 | $0.00 | 1,181 | $0.00 | 64,072 |
Breves Christine S | Award | Feb 17, 2026 | $0.00 | 218 | $0.00 | 11,837 |
STICE J MICHAEL | Award | Feb 17, 2026 | $0.00 | 982 | $0.00 | 53,295 |
Floerke Gregory Scott Exec. VP and COO | In Kind | Dec 12, 2025 | $13,273.70 | 242 | $54.85 | 92,243 |
Benson Molly R Chief Legal Ofc & Corp Sec | In Kind | Dec 12, 2025 | $16,784.10 | 306 | $54.85 | 40,163 |