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
JC
576
JB Capital
Connecticut
$10.7M
GIM
577
Goelzer Investment Management
Indiana
$10.7M
BPWM
578
Badgley Phelps Wealth Managers
Washington
$10.6M
GIBU
579
Gulf International Bank (UK)
United Kingdom
$10.6M
MSRPS
580
Maryland State Retirement & Pension System
Maryland
$10.6M
HAI
581
Hennessy Advisors Inc
California
$10.5M
AAIM
582
American Assets Investment Management
California
$10.5M
TA
583
Tectonic Advisors
Texas
$10.5M
EWM
584
Edge Wealth Management
New York
$10.5M
MCM
585
Monarch Capital Management
Indiana
$10.4M
CK
586
Cohen Klingenstein
New York
$10.4M
LI
587
LMCG Investments
Massachusetts
$10.4M
AF
588
Allworth Financial
California
$10.4M
WC
589
Woodstock Corp
Massachusetts
$10.4M
CCM
590
Coldstream Capital Management
Washington
$10.4M
FNBT
591
FineMark National Bank & Trust
Florida
$10.4M
FMII
592
Farmers & Merchants Investments Inc
Nebraska
$10.3M
NRS
593
Neville Rodie & Shaw
New York
$10.3M
GH
594
GAM Holding
Switzerland
$10.3M
OC
595
Optimas Capital
Hong Kong
$10.3M
WBC
596
Westpac Banking Corp
Australia
$10.2M
ERP
597
Eldred Rock Partners
Texas
$10.2M
UCFA
598
United Capital Financial Advisors
Texas
$10.2M
HFS
599
Hantz Financial Services
Michigan
$10.2M
SAM
600
Securian Asset Management
Minnesota
$10.1M