575 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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

0.65% less ownership

Funds ownership: 21.27%20.61% (-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: 3028 (-2)

Holders
575
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$143M
Puts
$96.3M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MIM
576
Merewether Investment Management
Texas
Citadel Advisors
577
Citadel Advisors
Florida
CIA
578
Corigliano Investment Advisers
North Carolina
CMF
579
Counterpoint Mutual Funds
California
AIC
580
Anthracite Investment Company
Texas
CIS
581
Custom Index Systems
New York
VF
582
Virtu Financial
New York
Geode Capital Management
583
Geode Capital Management
Massachusetts
MP
584
McDonald Partners
Ohio
MIM
585
Morningstar Investment Management
Illinois
Franklin Resources
586
Franklin Resources
California
BFG
587
Bleakley Financial Group
New Jersey
SFS
588
Sowell Financial Services
Arkansas
RCM
589
Requisite Capital Management
Texas
TI
590
Tidal Investments
Wisconsin
IA
591
Integrity Alliance
Iowa
FAIM
592
Financial Advocates Investment Management
Washington
FFG
593
Frisch Financial Group
New York
DWA
594
Douglass Winthrop Advisors
New York
MCM
595
Mainstay Capital Management
Michigan
VCA
596
Verdence Capital Advisors
Maryland
NRW
597
Nova R Wealth
Kansas
FTCM
598
First Trust Capital Management
Illinois
LMKC
599
L.M. Kohn & Company
Ohio
ATI
600
ARK & TLK Investments
Oklahoma