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575 hedge funds and large institutions have $11.2B invested in MPLX in 2025 Q2 according to their latest regulatory filings, with 64 funds opening new positions, 214 increasing their positions, 132 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed

125% more call options, than puts

Call options by funds: $167M | Put options by funds: $74.1M

62% more repeat investments, than reductions

Existing positions increased: 214 | Existing positions reduced: 132

33% more first-time investments, than exits

New positions opened: 64 | Existing positions closed: 48

1% more funds holding

Funds holding: 567575 (+8)

0.05% less ownership

Funds ownership: 21.32%21.27% (-0.05%)

4% less capital invested

Capital invested by funds: $11.6B → $11.2B (-$476M)

3% less funds holding in top 10

Funds holding in top 10: 3130 (-1)

Holders
575
Holders Change
+8
Holders Change %
+1.41%
% of All Funds
7.57%
Holding in Top 10
30
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-3.23%
% of All Funds
0.39%
New
64
Increased
214
Reduced
132
Closed
48
Calls
$167M
Puts
$74.1M
Net Calls
+$92.6M
Net Calls Change
-$111M
Name Holding Trade Value Shares
Change
Change in
Stake
Jane Street
101
Jane Street
New York
$5.51M -$10.2M -200,871 -65%
WC
102
Wexford Capital
Florida
$5.15M
OS
103
Objectivity Squared
South Carolina
$4.92M +$4.85M +95,486 New
PNC Financial Services Group
104
PNC Financial Services Group
Pennsylvania
$4.78M -$11.4K -225 -0.2%
CAM
105
Cresset Asset Management
Illinois
$4.64M +$3.09M +60,774 +208%
P
106
&Partners
Tennessee
$4.6M +$211K +4,143 +5%
EM
107
ELCO Management
New York
$4.54M +$67.1K +1,321 +2%
CGA
108
Crescent Grove Advisors
Illinois
$4.54M -$2.44K -48 -0.1%
PA
109
PPM America
Illinois
$4.49M
PH
110
Pinnacle Holdings
Oklahoma
$4.19M +$41.5K +816 +1%
Mercer Global Advisors
111
Mercer Global Advisors
Colorado
$4.17M -$21.3K -419 -0.5%
Pacer Advisors
112
Pacer Advisors
Pennsylvania
$4.08M +$58.3K +1,148 +1%
First Trust Advisors
113
First Trust Advisors
Illinois
$4.06M -$2.22M -43,645 -36%
Brown Advisory
114
Brown Advisory
Maryland
$4.03M +$102 +2 +0%
VanEck Associates
115
VanEck Associates
New York
$4M +$261K +5,131 +7%
MGIA
116
Moneta Group Investment Advisors
Missouri
$3.97M -$15.4K -304 -0.4%
Kovitz Investment Group Partners
117
Kovitz Investment Group Partners
Illinois
$3.95M +$4.98K +98 +0.1%
NA
118
NewEdge Advisors
Louisiana
$3.94M +$2.66M +52,383 +218%
CIA
119
Corigliano Investment Advisers
North Carolina
$3.86M +$2.39M +47,000 +168%
CA
120
CoreCap Advisors
Michigan
$3.84M +$738K +14,526 +24%
FFP
121
FourThought Financial Partners
Florida
$3.83M +$234K +4,613 +7%
MCP
122
Militia Capital Partners
Nevada
$3.76M +$3.56M +70,000 +2,333%
AHC
123
Adell Harriman & Carpenter
Texas
$3.76M +$296K +5,825 +9%
CAPTRUST Financial Advisors
124
CAPTRUST Financial Advisors
North Carolina
$3.76M +$151K +2,974 +4%
PWP
125
Private Wealth Partners
California
$3.76M +$661K +13,000 +22%

MPLX Hedge Fund Activity: Q2 2025 in Review

575 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in MPLX (MPLX) for Q2 2025, worth a combined $11.2B — down 4.1% from $11.6B a quarter earlier.

Buyers outnumbered sellers: 64 funds opened new MPLX positions and 48 closed out — a net gain of 16 holders — while 214 added to existing stakes and 132 trimmed.

The largest buyer was Victory Capital Management, opening a new position worth an estimated $73.5M. The largest seller was Amundi, exiting entirely with an estimated $73.6M sold.

  • 575 institutional investors held MPLX (MPLX) as of Q2 2025, up from 567 in Q1 2025.
  • Funds reported $11.2B of MPLX stock for Q2 2025, down 4.1% quarter-over-quarter.
  • 64 funds opened new MPLX positions in Q2 2025 and 48 closed out, a net change of +16 holders.
  • The largest MPLX buyer in Q2 2025 was Victory Capital Management, an estimated $73.5M added.
  • The largest MPLX seller in Q2 2025 was Amundi, an estimated $73.6M sold.

Based on aggregated 13F filings for Q2 2025.