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
AAIS
476
ABN AMRO Investment Solutions
$15.9M
SCM
477
Shelton Capital Management
Colorado
$15.8M
MNA
478
Manning & Napier Advisors
New York
$15.7M
NCM
479
Nearwater Capital Markets
Ireland
$15.6M
CPCPP
480
Canada Post Corporation Pension Plan
Canada
$15.5M
NRG
481
Nemes Rush Group
Michigan
$15.5M
GD
482
Grandfield & Dodd
New York
$15.5M
MSU
483
Mizuho Securities USA
New York
$15.3M
SCA
484
Stillwater Capital Advisors
Pennsylvania
$15.2M
AIM
485
Achmea Investment Management
Netherlands
$15.1M
AI
486
Atria Investments
North Carolina
$15.1M
EAM
487
EdenTree Asset Management
United Kingdom
$15M
AFCM
488
Applied Finance Capital Management
Puerto Rico
$14.9M
SWM
489
Stockman Wealth Management
Montana
$14.9M
SCM
490
Sio Capital Management
New York
$14.9M
AssetMark Inc
491
AssetMark Inc
California
$14.8M
BG
492
Bollard Group
Massachusetts
$14.6M
FFH
493
Fairfax Financial Holdings
Ontario, Canada
$14.5M
AWAG
494
ARS Wealth Advisors Group
Florida
$14.4M
CVM
495
Cheviot Value Management
California
$14.4M
JMFC
496
J.M. Forbes & Co
Massachusetts
$14.2M
ATPW
497
Ashton Thomas Private Wealth
Arizona
$14.2M
BC
498
Blackhill Capital
New Jersey
$14.2M
ONB
499
Old National Bancorp
Indiana
$14.1M
WIC
500
Woodmont Investment Counsel
Tennessee
$14M