565 hedge funds and large institutions have $10.5B invested in MPLX in 2025 Q3 according to their latest regulatory filings, with 51 funds opening new positions, 219 increasing their positions, 121 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
565
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
MOACM
151
Mutual of America Capital Management
New York
$2.69M
IMC Chicago
152
IMC Chicago
Illinois
$2.58M
PMG
153
Private Management Group
California
$2.5M
IAA
154
Independent Advisor Alliance
North Carolina
$2.43M
NRCM
155
Northern Right Capital Management
Connecticut
$2.37M
ASN
156
Advisory Services Network
Georgia
$2.34M
CWP
157
CFM Wealth Partners
Texas
$2.33M
SPIA
158
Steward Partners Investment Advisory
New York
$2.23M
PFBT
159
Parkside Financial Bank & Trust
Missouri
$2.21M
SAM
160
Silvercrest Asset Management
New York
$2.17M
KeyBank National Association
161
KeyBank National Association
Ohio
$2.14M
Fayez Sarofim & Co
162
Fayez Sarofim & Co
Texas
$2.14M
PFA
163
Pathway Financial Advisers
Indiana
$2.13M
BG
164
Bahl & Gaynor
Ohio
$2.12M
ZIG
165
Zurich Insurance Group
Switzerland
$2.12M
Acadian Asset Management
166
Acadian Asset Management
Massachusetts
$2.08M
DA
167
Doliver Advisors
Texas
$2.08M
GP
168
Geneva Partners
Wisconsin
$2M
PI
169
PFG Investments
New York
$1.99M
CRC
170
Curi RMB Capital
Illinois
$1.96M
DWP
171
Daymark Wealth Partners
Ohio
$1.95M
FCM
172
Fourpath Capital Management
Oklahoma
$1.95M
BC
173
Barnett & Company
Tennessee
$1.94M
SWP
174
Stratos Wealth Partners
Ohio
$1.89M
DIM
175
Delta Investment Management
California
$1.87M