3,590 hedge funds and large institutions have $207B invested in Merck in 2025 Q4 according to their latest regulatory filings, with 512 funds opening new positions, 1,362 increasing their positions, 1,386 reducing their positions, and 129 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more call options, than puts

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

more capital invested

Capital invested by funds: $ → $

9% more funds holding

Funds holding: 3,2903,590 (+300)

3.3% more ownership

Funds ownership: 76.04%79.34% (+3.3%)

2% less repeat investments, than reductions

Existing positions increased: 1,362 | Existing positions reduced: 1,386

Holders
3,590
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
77
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.75B
Puts
$2.61B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
LFS
1976
Lighthouse Financial Services
California
$1.02M
ALAM
1977
Asahi Life Asset Management
Japan
$1.02M
EAM
1978
Empirical Asset Management
Massachusetts
$1.02M
AFAS
1979
Acorn Financial Advisory Services
Virginia
$1.02M
JSC
1980
Jackson Square Capital
California
$1.02M
LI
1981
Lafayette Investments
Maryland
$1.02M
CA
1982
Crewe Advisors
Utah
$1.02M
MAM
1983
Mirabaud Asset Management
United Kingdom
$1.02M
S
1984
Storgate
Texas
$1.02M
LAIC
1985
Lederer & Associates Investment Counsel
California
$1.02M
SFG
1986
SNS Financial Group
Minnesota
$1.02M
ACM
1987
ADAR1 Capital Management
Texas
$1.01M
CCFM
1988
Clear Creek Financial Management
Washington
$1.01M
CBT
1989
CoreFirst Bank & Trust
Kansas
$1.01M
PGF
1990
Plan Group Financial
Oklahoma
$1.01M
ESBC
1991
E.S. Barr & Co
Kentucky
$1.01M
THCM
1992
Taylor Hoffman Capital Management
Virginia
$1.01M
AA
1993
Alta Advisers
United Kingdom
$1.01M
RRA
1994
Round Rock Advisors
Connecticut
$1.01M
FCG
1995
Fielder Capital Group
Tennessee
$1.01M
IFWM
1996
Institute for Wealth Management
Colorado
$1.01M
VWM
1997
Venturi Wealth Management
Texas
$1.01M
CG
1998
Corundum Group
Colorado
$1.01M
VCP
1999
Verus Capital Partners
Arizona
$1M
SN
2000
Sittner & Nelson
Oregon
$1M