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
ACM
526
Advisors Capital Management
New Jersey
$12.9M
AF
527
Ally Financial
Michigan
$12.8M
SCA
528
Stonebridge Capital Advisors
Minnesota
$12.8M
Nomura Holdings
529
Nomura Holdings
Japan
$12.7M
WTB
530
Washington Trust Bank
Washington
$12.6M
CS
531
Central Securities
New York
$12.6M
O
532
Ossiam
France
$12.6M
OCM
533
One Capital Management
California
$12.4M
SW
534
SteelPeak Wealth
California
$12.4M
TIAA Trust, National Association
535
TIAA Trust, National Association
North Carolina
$12.4M
BFA
536
Bragg Financial Advisors
North Carolina
$12.4M
NB
537
Norinchukin Bank
Japan
$12.3M
CFIA
538
Cantor Fitzgerald Investment Advisors
New York
$12.3M
RGC
539
Redwood Grove Capital
California
$12.3M
HIMCH
540
Hartford Investment Management Co (HIMCO)
Connecticut
$12.3M
CC
541
Centiva Capital
New York
$12.2M
SC
542
Saturna Capital
Washington
$12.2M
MA
543
Montag & Associates
Georgia
$12.2M
Impax Asset Management Group
544
Impax Asset Management Group
United Kingdom
$12.1M
First Manhattan
545
First Manhattan
New York
$12.1M
MC
546
Middleton & Co
Massachusetts
$12M
MGP
547
Metis Global Partners
California
$12M
LOAMS
548
Lombard Odier Asset Management (Switzerland)
Switzerland
$11.9M
CA
549
Cornerstone Advisors
North Carolina
$11.9M
BRCM
550
Bright Rock Capital Management
Massachusetts
$11.9M