3,728 hedge funds and large institutions have $233B invested in Merck in 2026 Q1 according to their latest regulatory filings, with 309 funds opening new positions, 1,433 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: 1,433 | Existing positions reduced: 1,561

1.51% less ownership

Funds ownership: 79.45%77.94% (-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
HI
3726
Hoey Investments
Pennsylvania
$602
BMC
3727
Bear Mountain Capital
Washington
$586
WA
3728
Walsh & Associates
Florida
$481
HC
3729
Hurley Capital
New York
$241
FLP
3730
Financial Life Planners
Arizona
$78
Norges Bank
3731
Norges Bank
Norway
Pacer Advisors
3732
Pacer Advisors
Pennsylvania
Skandinaviska Enskilda Banken (SEB)
3733
Skandinaviska Enskilda Banken (SEB)
Sweden
RPI
3734
Railway Pension Investments
United Kingdom
FAF
3735
Första AP-fonden
Sweden
VPC
3736
Vestal Point Capital
New York
FFM
3737
FengHe Fund Management
Singapore
BA
3738
Bridgewater Associates
Connecticut
CAU
3739
Caxton Associates (UK)
PHS
3740
PFM Health Sciences
California
SCM
3741
Steadfast Capital Management
New York
LCM
3742
Logan Capital Management
Pennsylvania
CA
3743
Cornerstone Advisors
North Carolina
Walleye Trading
3744
Walleye Trading
New York
MASUI
3745
MIRAE ASSET SECURITIES (USA) INC.
New York
AWM
3746
Axxcess Wealth Management
California
FF
3747
Fluent Financial
Texas
IPAM
3748
ICICI Prudential Asset Management
India
UOTTAIMCU
3749
University of Texas/Texas AM Investment Management Co (UTIMCO)
Texas
Capital Fund Management (CFM)
3750
Capital Fund Management (CFM)
France