3,244 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, 1,326 increasing their positions, 1,396 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: 1,326 | Existing positions reduced: 1,396

1% less funds holding

Funds holding: 3,2933,244 (-49)

2.24% less ownership

Funds ownership: 78.03%75.78% (-2.2%)

Holders
3,244
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
LOIM
851
Liberty One Investment Management
Illinois
$4.96M
BIM
852
Bridges Investment Management
Nebraska
$4.95M
HVP
853
Hudson Value Partners
Florida
$4.94M
SG
854
StoneX Group
New York
$4.93M
LFG
855
Larson Financial Group
Missouri
$4.92M
HIM
856
Hillsdale Investment Management
Ontario, Canada
$4.9M
TTWM
857
TCV Trust & Wealth Management
Virginia
$4.9M
CCM
858
Cutler Capital Management
Massachusetts
$4.89M
IFU
859
iSAM Funds (UK)
United Kingdom
$4.88M
ACM
860
Altrius Capital Management
North Carolina
$4.85M
IHL
861
Investment House LLC
California
$4.84M
BA
862
Baugh & Associates
Georgia
$4.83M
TYCC
863
Texas Yale Capital Corp
Florida
$4.82M
IWS
864
Insight Wealth Strategies
California
$4.8M
NSIM
865
North Star Investment Management
Illinois
$4.8M
HWM
866
Hohimer Wealth Management
Washington
$4.75M
TW
867
Trajan Wealth
Arizona
$4.74M
VF
868
Vest Financial
Virginia
$4.72M
AAMU
869
APG Asset Management US
New York
$4.72M
Group One Trading
870
Group One Trading
Illinois
$4.71M
CC
871
Courier Capital
New York
$4.69M
KIA
872
KCM Investment Advisors
California
$4.68M
BWM
873
Buckley Wealth Management
Nevada
$4.66M
CAM
874
Covenant Asset Management
New Jersey
$4.65M
CTA
875
Chesley Taft & Associates
Illinois
$4.64M