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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 %
CAM
551
Congress Asset Management
Massachusetts
$13.1M +$54.3K +605 +0.4%
MC
552
Middleton & Co
Massachusetts
$13M -$114K -1,267 -0.9%
GIBU
553
Gulf International Bank (UK)
United Kingdom
$13M -$4.62M -51,495 -26%
SC
554
Saturna Capital
Washington
$13M -$71.8M -800,259 -85%
CIA
555
CCM Investment Advisers
South Carolina
$13M +$516K +5,746 +4%
WIA
556
World Investment Advisors
California
$12.9M +$601K +6,696 +5%
SCM
557
Suvretta Capital Management
New York
$12.9M +$8.18M +91,100 +172%
WHG
558
Westwood Holdings Group
Texas
$12.9M +$3.2M +35,628 +33%
AS
559
Aware Super
Australia
$12.8M – – –
JAFL
560
Jay A. Fishman Ltd
Michigan
$12.8M -$2.57M -28,661 -17%
BRCM
561
Bright Rock Capital Management
Massachusetts
$12.7M +$2.69M +30,000 +27%
BFA
562
Bragg Financial Advisors
North Carolina
$12.7M +$112K +1,251 +0.9%
Balyasny Asset Management
563
Balyasny Asset Management
Illinois
$12.5M -$136M -1,516,688 -92%
EIP
564
Easterly Investment Partners
Massachusetts
$12.5M -$1.75M -19,497 -12%
WTB
565
Washington Trust Bank
Washington
$12.5M +$209K +2,326 +2%
M
566
MOTCO
Texas
$12.4M +$300K +3,338 +2%
NB
567
Norinchukin Bank
Japan
$12.4M +$1.51M +16,860 +14%
OCBCO
568
Oversea-Chinese Banking Corp (OCBC)
Singapore
$12.4M +$1.58M +17,658 +15%
GG
569
Greenwood Gearhart
Arkansas
$12.3M +$2.1M +23,355 +21%
WAS
570
Wesleyan Assurance Society
United Kingdom
$12.2M – – –
KCM
571
Kennedy Capital Management
Missouri
$12.2M -$812K -9,044 -6%
IHL
572
Investment House LLC
California
$12.2M -$1.09M -12,172 -8%
LSERS
573
Louisiana State Employees Retirement System
Louisiana
$12.2M -$8.98K -100 -0.1%
FMII
574
Farmers & Merchants Investments Inc
Nebraska
$12.2M +$182K +2,033 +2%
JFG
575
Jefferies Financial Group
New York
$12.1M -$15.5M -172,362 -56%
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