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Merck
MRK

Overview Fund Activity

3,400 hedge funds and large institutions have $177B invested in Merck in 2025 Q1 according to their latest regulatory filings, with 183 funds opening new positions, 1,323 increasing their positions, 1,580 reducing their positions, and 275 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
3,400
Holders Change
-162
Holders Change %
-4.55%
% of All Funds
46.18%
Holding in Top 10
64
Holding in Top 10 Change
-8
Holding in Top 10 Change %
-11.11%
% of All Funds
0.87%
New
183
Increased
1,323
Reduced
1,580
Closed
275
Calls
$2.57B
Puts
$2.32B
Net Calls
+$255M
Net Calls Change
+$17.9M

Top Buyers

1
Charles Schwab
Charles Schwab
California
+$2.61B
2
TIM
Thornburg Investment Management
New Mexico
+$1.09B
3
Fisher Asset Management
Fisher Asset Management
Washington
+$748M
4
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$708M
5
Pacer Advisors
Pacer Advisors
Pennsylvania
+$454M

Top Sellers

1
Capital World Investors
Capital World Investors
California
-$787M
2
AIM
Alphinity Investment Management
Australia
-$693M
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$498M
4
Bank of America
Bank of America
North Carolina
-$481M
5
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$377M
Name Holding Trade Value Shares
Change 		Shares
Change %
EP
3451
Essential Planning
New Hampshire
– -$2.52M -24,395 Closed
CSS
3452
Cubist Systematic Strategies
Connecticut
– -$2.38M -23,906 Closed
GLR
3453
Great Lakes Retirement
Ohio
– -$2.18M -21,693 Closed
N
3454
Numerai
California
– -$2.14M -21,542 Closed
CAMV
3455
Concord Asset Management (Virginia)
Virginia
– -$2.14M -21,483 Closed
AFM
3456
Anson Funds Management
Texas
– -$1.99M -20,000 Closed
SEM
3457
Suncoast Equity Management
Florida
– -$1.98M -19,953 Closed
WP
3458
WMS Partners
Maryland
– -$1.96M -19,745 Closed
FHB
3459
First Hawaiian Bank
Hawaii
– -$1.94M -19,488 Closed
IMC Chicago
3460
IMC Chicago
Illinois
– -$1.85M -18,557 Closed
SPI
3461
Sutton Place Investors
New York
– -$1.74M -17,530 Closed
HCCM
3462
Hudson Canyon Capital Management
New York
– -$1.54M -15,500 Closed
MC
3463
Mirabaud & Cie
Switzerland
– -$1.5M -15,059 Closed
WCAMG
3464
Woodard & Company Asset Management Group
North Carolina
– -$1.5M -15,042 Closed
CTC (Chicago Trading Company)
3465
CTC (Chicago Trading Company)
Illinois
– -$1.41M -14,148 Closed
FSA
3466
Financial Sense Advisors
California
– -$1.38M -13,859 Closed
PCP
3467
Pacific Capital Partners
– -$1.36M -13,681 Closed
SCM
3468
Semanteon Capital Management
Massachusetts
– -$1.34M -13,427 Closed
PAP
3469
Persistent Asset Partners
Hong Kong
– -$1.33M -13,422 Closed
SFS
3470
Stiles Financial Services
Minnesota
– -$1.32M -13,232 Closed
PCOTEOTHU
3471
Provident Company of the Employees of the Hebrew University
Israel
– -$1.31M -13,136 Closed
HT
3472
Headlands Technologies
Illinois
– -$1.3M -13,043 Closed
HFO
3473
Heritage Family Offices
Arizona
– -$1.25M -12,575 Closed
PE
3474
Point72 Europe
United Kingdom
– -$1.17M -11,768 Closed
ADIM
3475
Alpha DNA Investment Management
Maryland
– -$1.12M -11,222 Closed
137 138
139
140 141