3,244 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, 1,326 increasing their positions, 1,396 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: 1,326 | Existing positions reduced: 1,396

1% less funds holding

Funds holding: 3,2933,244 (-49)

2.24% less ownership

Funds ownership: 78.03%75.78% (-2.2%)

Holders
3,244
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
AIM
376
ARGA Investment Management
Connecticut
$25M
CCMIC
377
Cardinal Capital Management Inc (Canada)
Manitoba, Canada
$24.7M
EI
378
Ethic Inc
New York
$24.4M
MCM
379
MAI Capital Management
Ohio
$24.4M
QPBE
380
Quintet Private Bank (Europe)
Luxembourg
$24.4M
BFS
381
Bradley Foster & Sargent
Connecticut
$24.4M
WTC
382
WhitTier Trust Company
Nevada
$24.3M
HTC
383
Haverford Trust Company
Pennsylvania
$24.3M
EMPI
384
Elo Mutual Pension Insurance
Finland
$24.2M
OPERF
385
Oregon Public Employees Retirement Fund
Oregon
$24M
CFG
386
Citizens Financial Group
Rhode Island
$23.9M
BPA
387
Beacon Pointe Advisors
California
$23.9M
GKIM
388
GW&K Investment Management
Massachusetts
$23.8M
VI
389
Vestcor Inc
New Brunswick, Canada
$23.6M
FMI
390
Factory Mutual Insurance
Massachusetts
$23.6M
Rafferty Asset Management
391
Rafferty Asset Management
New York
$23.5M
CAM
392
Cresset Asset Management
Illinois
$23.4M
VCM
393
Voleon Capital Management
California
$23.3M
OAC
394
OMERS Administration Corp
Ontario, Canada
$23.3M
KAS
395
Kestra Advisory Services
Texas
$23.3M
AV
396
ASR Vermogensbeheer
Netherlands
$23.2M
SCB
397
Saudi Central Bank
Saudi Arabia
$22.7M
MOACM
398
Mutual of America Capital Management
New York
$22.7M
TWC
399
TD Waterhouse Canada
Ontario, Canada
$22.6M
TCA
400
Transcend Capital Advisors
New Jersey
$22.5M