3,294 hedge funds and large institutions have $160B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,347 increasing their positions, 1,421 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: 3,3143,294 (-20)

5% less repeat investments, than reductions

Existing positions increased: 1,347 | Existing positions reduced: 1,421

2.2% less ownership

Funds ownership: 78.35%76.15% (-2.2%)

Holders
3,294
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
NEI
376
Northwest & Ethical Investments
Ontario, Canada
$25.6M
Northwestern Mutual Wealth Management
377
Northwestern Mutual Wealth Management
Wisconsin
$25.5M
IMCOOI
378
Investment Management Corp of Ontario (IMCO)
Canada
$25.4M
TSW
379
Thompson Siegel & Walmsley
Virginia
$25.4M
OAML
380
OP Asset Management Ltd
$25.4M
PAG
381
Private Advisor Group
New Jersey
$25.2M
AS
382
Aware Super
Australia
$25.1M
BCM
383
Becker Capital Management
Oregon
$25.1M
AIM
384
ARGA Investment Management
Connecticut
$25M
CCMIC
385
Cardinal Capital Management Inc (Canada)
Manitoba, Canada
$24.7M
EI
386
Ethic Inc
New York
$24.4M
MCM
387
MAI Capital Management
Ohio
$24.4M
QPBE
388
Quintet Private Bank (Europe)
Luxembourg
$24.4M
BFS
389
Bradley Foster & Sargent
Connecticut
$24.4M
WTC
390
WhitTier Trust Company
Nevada
$24.3M
HTC
391
Haverford Trust Company
Pennsylvania
$24.3M
EMPI
392
Elo Mutual Pension Insurance
Finland
$24.2M
OPERF
393
Oregon Public Employees Retirement Fund
Oregon
$24M
CFG
394
Citizens Financial Group
Rhode Island
$23.9M
BPA
395
Beacon Pointe Advisors
California
$23.9M
GKIM
396
GW&K Investment Management
Massachusetts
$23.8M
VI
397
Vestcor Inc
New Brunswick, Canada
$23.6M
FMI
398
Factory Mutual Insurance
Massachusetts
$23.6M
Rafferty Asset Management
399
Rafferty Asset Management
New York
$23.5M
VCM
400
Voleon Capital Management
California
$23.3M