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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
CS
201
Cannell & Spears
New York
$1.52M -$137K -2,700 -8%
FFG
202
Fortem Financial Group
California
$1.49M +$58K +1,141 +4%
DADC
203
D.A. Davidson & Co
Montana
$1.49M +$88.6K +1,743 +6%
OF
204
Outfitter Financial
Maine
$1.44M
OC
205
Oppenheimer & Co
New York
$1.42M -$17.2K -339 -1%
OCPWS
206
One Charles Private Wealth Services
Massachusetts
$1.41M -$28K -550 -2%
MFFIA
207
McIntyre, Freedman & Flynn Investment Advisers
Massachusetts
$1.39M
ACP
208
Argyle Capital Partners
California
$1.38M +$12.7K +250 +0.9%
VC
209
Veracity Capital
Georgia
$1.32M
Pathstone Holdings
210
Pathstone Holdings
New Jersey
$1.31M -$11.3K -222 -0.9%
Bessemer Group
211
Bessemer Group
New Jersey
$1.29M +$10.2K +200 +0.8%
AFG
212
American Financial Group
Ohio
$1.29M
CCC
213
Chelsea Counsel Company
California
$1.29M
NPT
214
National Philanthropic Trust
Pennsylvania
$1.29M
AF
215
Allworth Financial
California
$1.28M +$1.13M +22,261 +861%
DIM
216
Delta Investment Management
California
$1.28M +$228K +4,478 +22%
SSG
217
Summit Securities Group
New York
$1.17M +$25.9K +510 +2%
SMC
218
Smith, Moore & Co
Missouri
$1.16M -$83.9K -1,650 -7%
HWM
219
HB Wealth Management
Georgia
$1.16M -$222K -4,367 -16%
EWA
220
Exencial Wealth Advisors
Oklahoma
$1.15M +$102 +2 +0%
IC
221
Inscription Capital
Texas
$1.15M -$268K -5,275 -19%
SEI Investments
222
SEI Investments
Pennsylvania
$1.15M -$24.9K -489 -2%
TC
223
Trilogy Capital
California
$1.14M +$4.68K +92 +0.4%
CAMG
224
CWA Asset Management Group
Florida
$1.12M +$18.2K +359 +2%
ACL
225
Applied Capital LLC
Florida
$1.09M +$182K +3,580 +20%

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.