MPLX
MPLX (MPLX)
NYSE
$57.80+$0.90 (+1.58%)
Price as of Jun 23, 2026 6:44 PM EDT
  • $57.7B
    Market Cap
  • 20.38%
    1-Year Change
  • Oil & Gas Midstream
    Industry

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
2.67%
27.1M
+26.6M (+98.41%)
Mar 31, 2026
INVESCO LTD.
1.80%
18.3M
+78,728 (+0.43%)
Mar 31, 2026
BLACKSTONE INC.
1.51%
15.4M
-354,802 (-2.31%)
Mar 31, 2026
TORTOISE CAPITAL ADVISORS, L.L.C.
1.31%
13.3M
-59,334 (-0.45%)
Mar 31, 2026
GOLDMAN SACHS GROUP INC
1.23%
12.5M
+40,552 (+0.32%)
Mar 31, 2026

Current Ownership Distribution

  • Mutual Funds6.4B (60.27%)
  • Institutions4.2B (39.70%)
  • Insiders3.2M (0.03%)
  • Other0 (0.00%)

Insider Transactions

  • 0.03% (3.2M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
HAGEDORN CARL KRISTOPHER
Exec VP & Chief Fin Ofc
In Kind
Mar 02, 2026
$24,990.84
422
$59.22
21,988
Floerke Gregory Scott
Exec. VP and COO
In Kind
Mar 02, 2026
$58,923.90
995
$59.22
97,234
Lyon Shawn M
Senior VP, Log. & Storage
In Kind
Mar 02, 2026
$54,482.40
920
$59.22
30,120
Mannen Maryann T.
Chairman, President & CEO
In Kind
Mar 02, 2026
$201,762.54
3,407
$59.22
175,272
HAGEDORN CARL KRISTOPHER
Exec VP & Chief Fin Ofc
In Kind
Mar 02, 2026
$54,245.52
916
$59.22
21,072
Floerke Gregory Scott
Exec. VP and COO
In Kind
Mar 02, 2026
$65,142.00
1,100
$59.22
96,134
Lyon Shawn M
Senior VP, Log. & Storage
In Kind
Mar 02, 2026
$61,174.26
1,033
$59.22
29,087
Benson Molly R
Chief Legal Ofc & Corp Sec
In Kind
Mar 02, 2026
$36,361.08
614
$59.22
48,352
HAGEDORN CARL KRISTOPHER
Exec VP & Chief Fin Ofc
In Kind
Mar 02, 2026
$39,262.86
663
$59.22
20,409
Floerke Gregory Scott
Exec. VP and COO
In Kind
Mar 02, 2026
$47,198.34
797
$59.22
95,337
Lyon Shawn M
Senior VP, Log. & Storage
In Kind
Mar 02, 2026
$47,257.56
798
$59.22
28,289
Mannen Maryann T.
Chairman, President & CEO
In Kind
Mar 02, 2026
$201,584.88
3,404
$59.22
171,868
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
Lyon Shawn M
Senior VP, Log. & Storage
In Kind
Dec 12, 2025
$13,438.25
245
$54.85
25,054
Hennigan Michael J
Executive Chairman
In Kind
Dec 12, 2025
$73,224.75
1,335
$54.85
359,137
HELMS CHRISTOPHER A
Award
Nov 14, 2025
$0.00
1,358
$0.00
79,466
STICE J MICHAEL
Award
Nov 14, 2025
$0.00
1,037
$0.00
52,313