3,288 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,344 increasing their positions, 1,419 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: 3,3093,288 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,344 | Existing positions reduced: 1,419

2.22% less ownership

Funds ownership: 78.27%76.04% (-2.2%)

Holders
3,288
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 -$847M
2 -$568M
3 -$443M
4
BlackRock
BlackRock
New York
-$285M
5
Goldman Sachs
Goldman Sachs
New York
-$278M
Name Holding Trade Value Shares
Change
Change in
Stake
BFIM
526
Beese Fulmer Investment Management
Ohio
$13M
Dodge & Cox
527
Dodge & Cox
California
$12.9M
PL
528
Parthenon LLC
Kentucky
$12.9M
TF
529
Talbot Financial
Washington
$12.9M
ACM
530
Advisors Capital Management
New Jersey
$12.9M
AF
531
Ally Financial
Michigan
$12.8M
SCA
532
Stonebridge Capital Advisors
Minnesota
$12.8M
Nomura Holdings
533
Nomura Holdings
Japan
$12.7M
WTB
534
Washington Trust Bank
Washington
$12.6M
CS
535
Central Securities
New York
$12.6M
O
536
Ossiam
France
$12.6M
OCM
537
One Capital Management
California
$12.4M
SW
538
SteelPeak Wealth
California
$12.4M
TIAA Trust, National Association
539
TIAA Trust, National Association
North Carolina
$12.4M
BFA
540
Bragg Financial Advisors
North Carolina
$12.4M
NB
541
Norinchukin Bank
Japan
$12.3M
CFIA
542
Cantor Fitzgerald Investment Advisors
New York
$12.3M
RGC
543
Redwood Grove Capital
California
$12.3M
HIMCH
544
Hartford Investment Management Co (HIMCO)
Connecticut
$12.3M
VCM
545
Virtue Capital Management
Tennessee
$12.3M
LSA
546
Leonteq Securities AG
Switzerland
$12.2M
CC
547
Centiva Capital
New York
$12.2M
SC
548
Saturna Capital
Washington
$12.2M
MA
549
Montag & Associates
Georgia
$12.2M
Impax Asset Management Group
550
Impax Asset Management Group
United Kingdom
$12.1M