3,728 hedge funds and large institutions have $233B invested in Merck in 2026 Q1 according to their latest regulatory filings, with 310 funds opening new positions, 1,432 increasing their positions, 1,561 reducing their positions, and 123 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

3% more funds holding

Funds holding: 3,6343,728 (+94)

8% less repeat investments, than reductions

Existing positions increased: 1,432 | Existing positions reduced: 1,561

1.52% less ownership

Funds ownership: 79.45%77.93% (-1.5%)

Holders
3,728
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
87
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.43B
Puts
$2.78B
Net Calls
Net Calls Change

Top Sellers

1 -$997M
2 -$809M
3 -$605M
4
Corient Private Wealth
Corient Private Wealth
Florida
-$602M
5
Millennium Management
Millennium Management
New York
-$558M
Name Holding Trade Value Shares
Change
Change in
Stake
GSC
3801
Ground Swell Capital
South Carolina
SWM
3802
SFG Wealth Management
Maryland
OWCM
3803
One Wealth Capital Management
Arizona
AGA
3804
Accuvest Global Advisors
Utah
SWA
3805
Strategies Wealth Advisors
Michigan
TWM
3806
Thryve Wealth Management
Texas
HCWM
3807
Hidden Cove Wealth Management
Washington
AI
3808
Atom Investors
Texas
GWM
3809
GK Wealth Management
Nevada
DA
3810
Dillon & Associates
Michigan
CWM
3811
Collaborative Wealth Management
Florida
VCWM
3812
Vista Cima Wealth Management
Arizona
FWP
3813
Fiduciary Wealth Partners
Massachusetts
BLFG
3814
Brian Low Financial Group
Louisiana
B
3815
Barings
North Carolina
CM
3816
Cornerstone Management
Georgia
PBF
3817
Petix & Botte Financial
California
HBS
3818
Howard Bailey Securities
Indiana
LWIC
3819
Leith Wheeler Investment Counsel
British Columbia, Canada
LW
3820
Livet Wealth
Utah
OR
3821
Olympiad Research
Connecticut
GCM
3822
Goldstream Capital Management
Hong Kong
APA
3823
Astoria Portfolio Advisors
New York
CWP
3824
Concord Wealth Partners
Virginia
SA
3825
Strategic Advocates
Utah