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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
AIP
326
Ameritas Investment Partners
Nebraska
$463K
CIC
327
Carnegie Investment Counsel
Ohio
$461K +$41.6K +819 +10%
PGFC
328
Peapack-Gladstone Financial Corp
New Jersey
$458K -$33.5K -659 -7%
NA
329
Navellier & Associates
Nevada
$456K +$203 +4 +0%
SFS
330
Sowell Financial Services
Arkansas
$454K -$38K -748 -8%
Focus Partners Wealth
331
Focus Partners Wealth
Massachusetts
$452K +$43.7K +859 +11%
HIC
332
Holderness Investments Company
North Carolina
$449K +$19.3K +380 +5%
RCM
333
Requisite Capital Management
Texas
$448K +$85.1K +1,674 +24%
FMII
334
Farmers & Merchants Investments Inc
Nebraska
$448K
CWIG
335
Chung Wu Investment Group
Texas
$438K -$15.2K -300 -3%
DAS
336
Diversify Advisory Services
Utah
$435K +$443K +8,723 New
RSWM
337
Robertson Stephens Wealth Management
California
$432K
CIA
338
Capital Investment Advisors
Georgia
$431K +$13.7K +269 +3%
TNA
339
True North Advisors
Texas
$430K -$33.8K -666 -7%
PWM
340
Perigon Wealth Management
California
$429K -$2.74K -54 -0.6%
SOS
341
Silver Oak Securities
Tennessee
$426K -$14.6K -287 -3%
NDSI
342
Newman Dignan & Sheerar Inc
Rhode Island
$417K -$10.2K -200 -2%
DAS
343
Dynamic Advisor Solutions
Arizona
$415K +$1.17K +23 +0.3%
MPCG
344
Matrix Private Capital Group
New York
$412K
S
345
SignatureFD
Georgia
$412K
QFPS
346
Quantum Financial Planning Services
Washington
$412K +$407K +8,000 New
WS
347
Wedbush Securities
California
$412K +$6.45K +127 +2%
MA
348
MAS Advisors
Florida
$412K +$15.2K +300 +4%
FFN
349
Focus Financial Network
Minnesota
$410K +$112K +2,200 +38%
VFA
350
Valeo Financial Advisors
Indiana
$408K +$966 +19 +0.2%

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.