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
Dodge & Cox
526
Dodge & Cox
California
$12.9M
PL
527
Parthenon LLC
Kentucky
$12.9M
TF
528
Talbot Financial
Washington
$12.9M
ACM
529
Advisors Capital Management
New Jersey
$12.9M
AF
530
Ally Financial
Michigan
$12.8M
SCA
531
Stonebridge Capital Advisors
Minnesota
$12.8M
Nomura Holdings
532
Nomura Holdings
Japan
$12.7M
WTB
533
Washington Trust Bank
Washington
$12.6M
CS
534
Central Securities
New York
$12.6M
O
535
Ossiam
France
$12.6M
OCM
536
One Capital Management
California
$12.4M
SW
537
SteelPeak Wealth
California
$12.4M
TIAA Trust, National Association
538
TIAA Trust, National Association
North Carolina
$12.4M
BFA
539
Bragg Financial Advisors
North Carolina
$12.4M
NB
540
Norinchukin Bank
Japan
$12.3M
CFIA
541
Cantor Fitzgerald Investment Advisors
New York
$12.3M
RGC
542
Redwood Grove Capital
California
$12.3M
HIMCH
543
Hartford Investment Management Co (HIMCO)
Connecticut
$12.3M
CC
544
Centiva Capital
New York
$12.2M
SC
545
Saturna Capital
Washington
$12.2M
MA
546
Montag & Associates
Georgia
$12.2M
Impax Asset Management Group
547
Impax Asset Management Group
United Kingdom
$12.1M
First Manhattan
548
First Manhattan
New York
$12.1M
MC
549
Middleton & Co
Massachusetts
$12M
MGP
550
Metis Global Partners
California
$12M