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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
HP
201
Hartree Partners
New York
$1.71M
CTA
202
Clear Trail Advisors
Texas
$1.7M
Northern Trust
203
Northern Trust
Illinois
$1.65M
AF
204
Allworth Financial
California
$1.63M
IAA
205
Independent Advisor Alliance
North Carolina
$1.63M
DADC
206
D.A. Davidson & Co
Montana
$1.63M
OCPWS
207
One Charles Private Wealth Services
Massachusetts
$1.6M
SCA
208
Snowden Capital Advisors
New York
$1.6M
OF
209
Outfitter Financial
Maine
$1.6M
RC
210
Resolute Capital
South Carolina
$1.59M
Acadian Asset Management
211
Acadian Asset Management
Massachusetts
$1.57M
GP
212
Greenline Partners
New York
$1.55M
ACP
213
Argyle Capital Partners
California
$1.55M
VF
214
Virtu Financial
New York
$1.54M
MFFIA
215
McIntyre, Freedman & Flynn Investment Advisers
Massachusetts
$1.54M
Northwestern Mutual Wealth Management
216
Northwestern Mutual Wealth Management
Wisconsin
$1.5M
IA
217
IFG Advisory
Georgia
$1.5M
JIC
218
Johnson Investment Counsel
Ohio
$1.5M
HC
219
Hourglass Capital
Texas
$1.48M
EWA
220
Exencial Wealth Advisors
Oklahoma
$1.47M
BI
221
Bramshill Investments
Florida
$1.46M
AFG
222
American Financial Group
Ohio
$1.43M
CCC
223
Chelsea Counsel Company
California
$1.43M
NPT
224
National Philanthropic Trust
Pennsylvania
$1.43M
MA
225
Mutual Advisors
Nebraska
$1.42M