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
AS
376
Aware Super
Australia
$25.1M
BCM
377
Becker Capital Management
Oregon
$25.1M
AIM
378
ARGA Investment Management
Connecticut
$25M
CCMIC
379
Cardinal Capital Management Inc (Canada)
Manitoba, Canada
$24.7M
EI
380
Ethic Inc
New York
$24.4M
MCM
381
MAI Capital Management
Ohio
$24.4M
QPBE
382
Quintet Private Bank (Europe)
Luxembourg
$24.4M
BFS
383
Bradley Foster & Sargent
Connecticut
$24.4M
WTC
384
WhitTier Trust Company
Nevada
$24.3M
HTC
385
Haverford Trust Company
Pennsylvania
$24.3M
EMPI
386
Elo Mutual Pension Insurance
Finland
$24.2M
OPERF
387
Oregon Public Employees Retirement Fund
Oregon
$24M
CFG
388
Citizens Financial Group
Rhode Island
$23.9M
BPA
389
Beacon Pointe Advisors
California
$23.9M
GKIM
390
GW&K Investment Management
Massachusetts
$23.8M
VI
391
Vestcor Inc
New Brunswick, Canada
$23.6M
FMI
392
Factory Mutual Insurance
Massachusetts
$23.6M
Rafferty Asset Management
393
Rafferty Asset Management
New York
$23.5M
CAM
394
Cresset Asset Management
Illinois
$23.4M
VCM
395
Voleon Capital Management
California
$23.3M
OAC
396
OMERS Administration Corp
Ontario, Canada
$23.3M
KAS
397
Kestra Advisory Services
Texas
$23.3M
AV
398
ASR Vermogensbeheer
Netherlands
$23.2M
SCB
399
Saudi Central Bank
Saudi Arabia
$22.7M
MOACM
400
Mutual of America Capital Management
New York
$22.7M