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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 %
Norges Bank
3401
Norges Bank
Norway
– -$3.48B -34,979,885 Closed
Capital World Investors
3402
Capital World Investors
California
– -$787M -7,906,912 Closed
AIM
3403
Alphinity Investment Management
Australia
– -$693M -6,967,370 Closed
O
3404
OrbiMed
New York
– -$82.6M -829,900 Closed
VPC
3405
Vestal Point Capital
New York
– -$79.6M -800,000 Closed
ERSOT
3406
Employees Retirement System of Texas
Texas
– -$74.1M -745,324 Closed
Lord, Abbett & Co
3407
Lord, Abbett & Co
New Jersey
– -$44M -442,414 Closed
EOJOAM
3408
E. Ohman J:or Asset Management
Sweden
– -$41.1M -412,872 Closed
MIH
3409
Meitav Investment House
Israel
– -$39.5M -397,392 Closed
BCP
3410
BSN Capital Partners
United Kingdom
– -$26.1M -264,734 Closed
WAM
3411
Weiss Asset Management
Massachusetts
– -$24.8M -249,608 Closed
CNAM
3412
Campbell Newman Asset Management
Wisconsin
– -$24.6M -246,988 Closed
TAM
3413
Todd Asset Management
Kentucky
– -$21.4M -214,765 Closed
IHAM
3414
Integral Health Asset Management
New York
– -$19.9M -200,000 Closed
GIM
3415
Generate Investment Management
New Zealand
– -$14M -140,675 Closed
MGAM
3416
McGowan Group Asset Management
Texas
– -$11.7M -118,102 Closed
Westfield Capital Management
3417
Westfield Capital Management
Massachusetts
– -$10.5M -105,933 Closed
SJIC
3418
St. James Investment Company
Texas
– -$9.72M -97,746 Closed
PAS
3419
Park Avenue Securities
New York
– -$9.41M -94,603 Closed
ECM
3420
ExodusPoint Capital Management
New York
– -$9.08M -91,315 Closed
CM
3421
Crestline Management
Texas
– -$8.82M -88,644 Closed
GFG
3422
Greystone Financial Group
Michigan
– -$8.35M -83,970 Closed
BHCM
3423
Brevan Howard Capital Management
Jersey
– -$8.22M -82,648 Closed
Twin Tree Management
3424
Twin Tree Management
Texas
– -$8.21M -82,568 Closed
AIM
3425
Artemis Investment Management
United Kingdom
– -$8.11M -81,553 Closed
135 136
137
138 139