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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
Amundi
576
Amundi
France
-$73.6M -1,410,705 Closed
DFG
577
Delphi Financial Group
Delaware
-$18.3M -341,079 Closed
PVI
578
Partners Value Investments
Bermuda
-$8.59M -160,500 Closed
MMA
579
Mizuho Markets Americas
New York
-$2.57M -47,968 Closed
XT
580
XTX Topco
Cayman Islands
-$1.66M -31,019 Closed
SFI
581
Susquehanna Fundamental Investments
Pennsylvania
-$1.15M -21,552 Closed
FWIA
582
Fort Washington Investment Advisors
Ohio
-$1.12M -20,943 Closed
Macquarie Group
583
Macquarie Group
Australia
-$984K -18,386 Closed
GIM
584
Groesbeck Investment Management
New Jersey
-$899K -16,800 Closed
FCI
585
Financial Counselors Inc
Kansas
-$758K -14,156 Closed
BP
586
BBR Partners
New York
-$749K -14,000 Closed
FVCM
587
F&V Capital Management
Florida
-$656K -12,250 Closed
WGAM
588
Wilkinson Global Asset Management
New York
-$613K -11,445 Closed
PGF
589
Plan Group Financial
Oklahoma
-$548K -10,240 Closed
VWM
590
Venturi Wealth Management
Texas
-$538K -10,054 Closed
TC
591
TownSquare Capital
Utah
-$415K -7,751 Closed
TSS
592
Two Sigma Securities
New York
-$349K -6,522 Closed
BHPW
593
Beverly Hills Private Wealth
California
-$309K -5,772 Closed
AWE
594
Avidian Wealth Enterprises
Texas
-$306K -5,719 Closed
SC
595
Shay Capital
New York
-$305K -5,700 Closed
SGCA
596
Steel Grove Capital Advisors
Tennessee
-$268K -5,281 Closed
SWA
597
SFMG Wealth Advisors
Texas
-$265K -4,952 Closed
LA
598
Legacy Advisors
Pennsylvania
-$256K -4,775 Closed
GAA
599
Global Assets Advisory
Florida
-$230K -4,650 Closed
AWM
600
AE Wealth Management
Kansas
-$241K -4,498 Closed

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.