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
WCM
3776
Weaver Capital Management
Georgia
WWM
3777
Westwood Wealth Management
California
CG
3778
Cynosure Group
Utah
ACP
3779
Arcus Capital Partners
Georgia
JJBC
3780
James J. Burns & Company
New York
PCM
3781
Prelude Capital Management
New York
GCS
3782
Gordian Capital (Singapore)
Singapore
SCM
3783
SOL Capital Management
Maryland
WAM
3784
Watershed Asset Management
California
CAS
3785
Coppell Advisory Solutions
Texas
CICI
3786
Capital Investment Counsel Inc
North Carolina
RI
3787
Ruggiero Investments
Florida
PAP
3788
Persistent Asset Partners
Hong Kong
TIA
3789
Trust Investment Advisors
Indiana
MPIA
3790
Milestones Private Investment Advisors
New York
HAFG
3791
Hansen & Associates Financial Group
California
MWM
3792
Maridea Wealth Management
New York
PFG
3793
PAX Financial Group
Texas
A
3794
AlphaQuest
New York
KPWM
3795
KDK Private Wealth Management
Texas
QWM
3796
QP Wealth Management
New Jersey
HCA
3797
Heck Capital Advisors
Wisconsin
WCP
3798
Wick Capital Partners
Pennsylvania
TIA
3799
Tandem Investment Advisors
South Carolina
VIP
3800
Viewpoint Investment Partners
Alberta, Canada