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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
AH
276
Addis & Hill
Pennsylvania
$699K +$3K +59 +0.4%
BFS
277
Bradley Foster & Sargent
Connecticut
$692K +$682K +13,425 New
AAM
278
Augustine Asset Management
Florida
$674K
WIA
279
World Investment Advisors
California
$671K -$10.2K -200 -2%
ACP
280
Aviance Capital Partners
Florida
$668K
Franklin Resources
281
Franklin Resources
California
$666K +$40.7K +800 +7%
AIP
282
ARS Investment Partners
New York
$664K +$656K +12,900 New
PSP
283
Principal Street Partners
Tennessee
$658K +$318K +6,262 +96%
SC
284
Savant Capital
Illinois
$657K
FHC
285
First Heartland Consultants
Missouri
$655K +$135K +2,659 +26%
CFG
286
Citizens Financial Group
Rhode Island
$644K +$635K +12,494 New
WB
287
WesBanco Bank
West Virginia
$630K +$173K +3,411 +39%
GAM
288
Griffin Asset Management
New York
$628K -$28.5K -560 -4%
4WM
289
49 Wealth Management
Texas
$623K +$159K +3,119 +35%
MA
290
Mutual Advisors
Nebraska
$620K +$66.2K +1,303 +12%
SWA
291
Stratos Wealth Advisors
Ohio
$614K -$12.3K -243 -2%
GGA
292
Granite Group Advisors
Connecticut
$613K
LFG
293
Larson Financial Group
Missouri
$609K +$64K +1,260 +12%
BB
294
Burford Brothers
Texas
$609K +$601K +11,828 New
CWM
295
Congress Wealth Management
Massachusetts
$601K +$1.42K +28 +0.2%
ACM
296
Avalon Capital Management
California
$599K
MMG
297
Monetary Management Group
Missouri
$598K
FAM
298
Formidable Asset Management
Ohio
$597K
MIM
299
Merrion Investment Management
New Jersey
$594K
PGAM
300
Princeton Global Asset Management
New Jersey
$592K -$20.8K -409 -3%

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.