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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
HTC
176
Haverford Trust Company
Pennsylvania
$2.13M
BC
177
Barnett & Company
Tennessee
$2.13M
CGA
178
Crescent Grove Advisors
Illinois
$2.12M
Lido Advisors
179
Lido Advisors
California
$2.12M
Pathstone Holdings
180
Pathstone Holdings
New Jersey
$2.1M
OC
181
Oppenheimer & Co
New York
$2.07M
SAM
182
Silvercrest Asset Management
New York
$2.07M
Ameriprise
183
Ameriprise
Minnesota
$2.03M
BCM
184
Birch Capital Management
Texas
$2.03M
GP
185
Geneva Partners
Wisconsin
$2M
OAM
186
Oppenheimer Asset Management
New York
$1.98M
SA
187
Sanctuary Advisors
Indiana
$1.96M
PFS
188
Prospera Financial Services
Texas
$1.94M
Bank of New York Mellon
189
Bank of New York Mellon
New York
$1.93M
UB
190
UMB Bank
Missouri
$1.91M
BCM
191
Brookstone Capital Management
Illinois
$1.89M
QCM
192
Quantinno Capital Management
New York
$1.88M
AWM
193
Apollon Wealth Management
South Carolina
$1.87M
OWP
194
Obermeyer Wealth Partners
Colorado
$1.85M
MFG
195
Merit Financial Group
Georgia
$1.81M
ProShare Advisors
196
ProShare Advisors
Maryland
$1.79M
CAMG
197
CWA Asset Management Group
Florida
$1.79M
QCG
198
Quadrant Capital Group
Ohio
$1.78M
PP
199
Pingora Partners
Wyoming
$1.72M
FFG
200
Fortem Financial Group
California
$1.72M