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
Hudson Bay Capital Management
651
Hudson Bay Capital Management
Connecticut
$8.83M
TAM
652
Trillium Asset Management
Massachusetts
$8.83M
RDWM
653
Red Door Wealth Management
Tennessee
$8.8M
WG
654
Winton Group
United Kingdom
$8.72M
MMA
655
Miracle Mile Advisors
California
$8.67M
BFS
656
Bard Financial Services
Connecticut
$8.55M
TF
657
Tompkins Financial
New York
$8.54M
TCM
658
Tufton Capital Management
Maryland
$8.49M
A
659
Allianz
Germany
$8.45M
ET
660
Entropy Technologies
New York
$8.44M
VFM
661
Viking Fund Management
North Dakota
$8.39M
ECM
662
Estabrook Capital Management
New York
$8.37M
KA
663
Kintegral Advisory
New York
$8.36M
JGUA
664
John G. Ullman & Associates
New York
$8.28M
SFI
665
Siemens Fonds Invest
Germany
$8.28M
KCM
666
Kennedy Capital Management
Missouri
$8.27M
IWC
667
Integrated Wealth Concepts
Massachusetts
$8.25M
AC
668
Addenda Capital
Quebec, Canada
$8.24M
PCM
669
Parsons Capital Management
Rhode Island
$8.23M
ABC
670
Associated Banc-Corp
Wisconsin
$8.21M
AG
671
Advocate Group
Minnesota
$8.19M
EF
672
Empirical Finance
Pennsylvania
$8.14M
BMO
673
Beck Mack & Oliver
New York
$8.13M
CI
674
CX Institutional
Indiana
$8.13M
MKA
675
M. Kulyk & Associates
Georgia
$8.1M