MPLX
MPLX (MPLX)
NYSE
$57.16+$0.57 (+1.01%)
Price as of Nov 13, 2026 1:08 PM EST
  • $57.3B
    Market Cap
  • 17.81%
    1-Year Change
  • Oil & Gas Midstream
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKSTONE GROUP INC
6.53%
66.1M
-612,543 (-0.93%)
Dec 31, 2021
ALPS ADVISORS INC
3.01%
30.5M
+1.9M (+6.11%)
Sep 30, 2026
HARVEST FUND ADVISORS LLC
2.84%
28.8M
+1.1M (+3.92%)
Mar 31, 2020
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.
1.04%
10.5M
-2.8M (-26.29%)
Jun 30, 2026

Current Ownership Distribution

  • Mutual Funds7.9B (63.68%)
  • Institutions4.5B (36.29%)
  • 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)
  • 1
    Number of InsiderSelling (last 12 months)
  • $759,464.90
    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
Sell
Nov 10, 2026
$199,270.88
3,512
$56.74
16,897
Niemeyer Bruce L
Award
Nov 01, 2026
$0.00
1,277
$0.00
1,277
Dunn Micheal G.
Award
Nov 01, 2026
$0.00
1,277
$0.00
1,277
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
HELMS CHRISTOPHER A
Award
Aug 14, 2026
$0.00
1,337
$0.00
86,208
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
$24,990.84
422
$59.22
21,988
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
$54,245.52
916
$59.22
21,072
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
HAGEDORN CARL KRISTOPHER
Exec VP & Chief Fin Ofc
In Kind
Mar 02, 2026
$39,262.86
663
$59.22
20,409
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
Khoury Maria A
Award
Mar 01, 2026
$0.00
8,451
$0.00
8,451
Floerke Gregory Scott
Exec. VP and COO
Award
Mar 01, 2026
$0.00
5,986
$0.00
98,229
HAGEDORN CARL KRISTOPHER
Exec VP & Chief Fin Ofc
Award
Mar 01, 2026
$0.00
4,930
$0.00
22,410
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