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MPLX
MPLX

576 hedge funds and large institutions have $10.5B invested in MPLX in 2025 Q3 according to their latest regulatory filings, with 54 funds opening new positions, 221 increasing their positions, 123 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed

80% more repeat investments, than reductions

Existing positions increased: 221 | Existing positions reduced: 123

48% more call options, than puts

Call options by funds: $143M | Put options by funds: $96.3M

20% more first-time investments, than exits

New positions opened: 54 | Existing positions closed: 45

0% more funds holding

Funds holding: 575 → 576 (+1)

0.65% less ownership

Funds ownership: 21.27% → 20.62% (-0.65%)

6% less capital invested

Capital invested by funds: $11.2B → $10.5B (-$672M)

7% less funds holding in top 10

Funds holding in top 10: 30 → 28 (-2)

Holders
576
Holders Change
+1
Holders Change %
+0.17%
% of All Funds
7.56%
Holding in Top 10
28
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-6.67%
% of All Funds
0.37%
New
54
Increased
221
Reduced
123
Closed
45
Calls
$143M
Puts
$96.3M
Net Calls
+$46.4M
Net Calls Change
-$46.2M

Top Buyers

1
N
Natixis
France
+$28.9M
2
TCA
Tortoise Capital Advisors
Kansas
+$16.7M
3
AA
ALPS Advisors
Colorado
+$16.5M
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$15.4M
5
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings
Hong Kong
+$15.2M

Top Sellers

1
Blackstone Inc
Blackstone Inc
New York
-$148M
2
UBS Group
UBS Group
Switzerland
-$78.3M
3
Victory Capital Management
Victory Capital Management
Texas
-$60.9M
4
Goldman Sachs
Goldman Sachs
New York
-$53.2M
5
BC
Brookfield Corp
Ontario, Canada
-$47.3M
Name Holding Trade Value Shares
Change 		Change in
Stake
BLFG
451
Brian Low Financial Group
Louisiana
$236K – – –
BMCM
452
Bryn Mawr Capital Management
Pennsylvania
$236K +$239K +4,721 New
LWM
453
Lodestone Wealth Management
Washington
$230K +$4.36K +86 +2%
IC
454
IEQ Capital
California
$229K – – –
VPIM
455
Vanguard Personalized Indexing Management
California
$228K +$232K +4,569 New
ZF
456
Zhang Financial
Michigan
$227K – – –
MWM
457
Mission Wealth Management
California
$225K +$25.4K +500 +13%
RP
458
Rowlandmiller & Partners
Georgia
$224K +$104K +2,060 +85%
CAI
459
Capital Advisors Inc
Oklahoma
$222K – – –
AWM
460
AE Wealth Management
Kansas
$222K +$225K +4,435 New
IWM
461
IHT Wealth Management
Illinois
$219K -$17.6K -346 -7%
WLG
462
Williamson Legacy Group
Indiana
$218K -$819K -16,141 -79%
ACA
463
Aptus Capital Advisors
Alabama
$216K +$101 +2 +0%
JIP
464
Jaffetilchin Investment Partners
Florida
$215K +$2.59K +51 +1%
MCM
465
Mattern Capital Management
Colorado
$215K – – –
BSAM
466
Blue Square Asset Management
New York
$213K +$216K +4,268 New
SG
467
StoneX Group
New York
$213K +$254 +5 +0.1%
MWM
468
MinichMacGregor Wealth Management
New York
$212K -$659 -13 -0.3%
TAM
469
Titleist Asset Management
Texas
$208K +$212K +4,174 New
TWP
470
Tyche Wealth Partners
Texas
$207K – – –
MWM
471
Meridian Wealth Management
Kentucky
$205K +$208K +4,109 New
ACS
472
Archford Capital Strategies
Illinois
$205K – – –
KWA
473
Kingswood Wealth Advisors
California
$205K +$208K +4,098 New
PIA
474
Panoramic Investment Advisors
Colorado
$203K – – –
HA
475
HFG Advisors
Ohio
$202K – – –
17 18
19
20 21

MPLX Hedge Fund Activity: Q3 2025 in Review

576 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in MPLX (MPLX) for Q3 2025, worth a combined $10.5B — down 6% from $11.2B a quarter earlier.

Buyers outnumbered sellers: 54 funds opened new MPLX positions and 45 closed out — a net gain of 9 holders — while 221 added to existing stakes and 123 trimmed.

The largest buyer was Natixis, adding an estimated $28.9M. The largest seller was Blackstone Inc, cutting an estimated $148M.

  • 576 institutional investors held MPLX (MPLX) as of Q3 2025, up from 575 in Q2 2025.
  • Funds reported $10.5B of MPLX stock for Q3 2025, down 6% quarter-over-quarter.
  • 54 funds opened new MPLX positions in Q3 2025 and 45 closed out, a net change of +9 holders.
  • The largest MPLX buyer in Q3 2025 was Natixis, an estimated $28.9M added.
  • The largest MPLX seller in Q3 2025 was Blackstone Inc, an estimated $148M sold.

Based on aggregated 13F filings for Q3 2025.