3,253 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 191 funds opening new positions, 1,331 increasing their positions, 1,399 reducing their positions, and 147 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: $ → $

5% less repeat investments, than reductions

Existing positions increased: 1,331 | Existing positions reduced: 1,399

1% less funds holding

Funds holding: 3,2963,253 (-43)

2.2% less ownership

Funds ownership: 78.07%75.87% (-2.2%)

Holders
3,253
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
46
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.83B
Puts
$2.51B
Net Calls
Net Calls Change

Top Sellers

1 -$863M
2 -$579M
3 -$452M
4
BlackRock
BlackRock
New York
-$291M
5
Goldman Sachs
Goldman Sachs
New York
-$283M
Name Holding Trade Value Shares
Change
Change in
Stake
FHA
851
Flagship Harbor Advisors
Massachusetts
$4.99M
NHT
852
New Hampshire Trust
New Hampshire
$4.97M
RMC
853
Resources Management Corp
Connecticut
$4.96M
LOIM
854
Liberty One Investment Management
Illinois
$4.96M
BIM
855
Bridges Investment Management
Nebraska
$4.95M
HVP
856
Hudson Value Partners
Florida
$4.94M
SG
857
StoneX Group
New York
$4.93M
LFG
858
Larson Financial Group
Missouri
$4.92M
HIM
859
Hillsdale Investment Management
Ontario, Canada
$4.9M
TTWM
860
TCV Trust & Wealth Management
Virginia
$4.9M
CCM
861
Cutler Capital Management
Massachusetts
$4.89M
IFU
862
iSAM Funds (UK)
United Kingdom
$4.88M
ACM
863
Altrius Capital Management
North Carolina
$4.85M
IHL
864
Investment House LLC
California
$4.84M
BA
865
Baugh & Associates
Georgia
$4.83M
TYCC
866
Texas Yale Capital Corp
Florida
$4.82M
IWS
867
Insight Wealth Strategies
California
$4.8M
NSIM
868
North Star Investment Management
Illinois
$4.8M
HWM
869
Hohimer Wealth Management
Washington
$4.75M
TW
870
Trajan Wealth
Arizona
$4.74M
VF
871
Vest Financial
Virginia
$4.72M
AAMU
872
APG Asset Management US
New York
$4.72M
Group One Trading
873
Group One Trading
Illinois
$4.71M
CC
874
Courier Capital
New York
$4.69M
KIA
875
KCM Investment Advisors
California
$4.68M