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644 hedge funds and large institutions have $11.6B invested in MPLX in 2026 Q1 according to their latest regulatory filings, with 76 funds opening new positions, 213 increasing their positions, 175 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
644
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
26
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$231M
Puts
$48.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SRCM
626
Signature Resources Capital Management
California
$6.16K
CAM
627
Costello Asset Management
Pennsylvania
$5.93K
GBT
628
Grove Bank & Trust
Florida
$5.71K
MWPCG
629
Measured Wealth Private Client Group
New Hampshire
$5.71K
EWM
630
Evolution Wealth Management
Florida
$5.71K
JWM
631
JPL Wealth Management
Colorado
$5.71K
KA
632
Kozak & Associates
Colorado
$5.36K
CFFP
633
Center for Financial Planning
Michigan
$4.85K
UBS AM
634
UBS AM
Illinois
$3.94K
RWM
635
Rialto Wealth Management
New York
$3.14K
PCM
636
Penserra Capital Management
California
$3K
PMFA
637
Plante Moran Financial Advisors
Michigan
$1.48K
TPCW
638
TD Private Client Wealth
New York
$1.31K
IRC
639
Investors Research Corp
Georgia
$1.14K
AWM
640
Abound Wealth Management
Tennessee
$933
GCM
641
Gunpowder Capital Management
Maryland
$799
CMA
642
Cedar Mountain Advisors
Oregon
$628
DFA
643
DHJJ Financial Advisors
Illinois
$571
MHIP
644
Mountain Hill Investment Partners
New Jersey
$122
Jane Street
645
Jane Street
New York
NG
646
Norden Group
Utah
WC
647
Wexford Capital
Florida
PIWA
648
Prevail Innovative Wealth Advisors
Kansas
Pacer Advisors
649
Pacer Advisors
Pennsylvania
MMC
650
Mizuho Markets Cayman
Cayman Islands