3,273 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 190 funds opening new positions, 1,339 increasing their positions, 1,409 reducing their positions, and 150 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: $ → $

1% less funds holding

Funds holding: 3,3023,273 (-29)

5% less repeat investments, than reductions

Existing positions increased: 1,339 | Existing positions reduced: 1,409

2.19% less ownership

Funds ownership: 78.17%75.99% (-2.2%)

Holders
3,273
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
CAG
651
Crestwood Advisors Group
Massachusetts
$8.88M
Verition Fund Management
652
Verition Fund Management
Connecticut
$8.86M
BCM
653
Brookstone Capital Management
Illinois
$8.85M
IPAM
654
ICICI Prudential Asset Management
India
$8.84M
Hudson Bay Capital Management
655
Hudson Bay Capital Management
Connecticut
$8.83M
TAM
656
Trillium Asset Management
Massachusetts
$8.83M
RDWM
657
Red Door Wealth Management
Tennessee
$8.8M
WG
658
Winton Group
United Kingdom
$8.72M
MMA
659
Miracle Mile Advisors
California
$8.67M
BFS
660
Bard Financial Services
Connecticut
$8.55M
TF
661
Tompkins Financial
New York
$8.54M
TCM
662
Tufton Capital Management
Maryland
$8.49M
A
663
Allianz
Germany
$8.45M
ET
664
Entropy Technologies
New York
$8.44M
VFM
665
Viking Fund Management
North Dakota
$8.39M
ECM
666
Estabrook Capital Management
New York
$8.37M
KA
667
Kintegral Advisory
New York
$8.36M
JGUA
668
John G. Ullman & Associates
New York
$8.28M
SFI
669
Siemens Fonds Invest
Germany
$8.28M
KCM
670
Kennedy Capital Management
Missouri
$8.27M
IWC
671
Integrated Wealth Concepts
Massachusetts
$8.25M
AC
672
Addenda Capital
Quebec, Canada
$8.24M
PCM
673
Parsons Capital Management
Rhode Island
$8.23M
ABC
674
Associated Banc-Corp
Wisconsin
$8.21M
AG
675
Advocate Group
Minnesota
$8.19M