3,273 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 190 funds opening new positions, 1,339 increasing their positions, 1,409 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: 3,3023,273 (-29)

5% less repeat investments, than reductions

Existing positions increased: 1,339 | Existing positions reduced: 1,409

2.19% less ownership

Funds ownership: 78.17%75.99% (-2.2%)

Holders
3,273
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
SWP
476
Stratos Wealth Partners
Ohio
$16M
UAS
477
United Asset Strategies
New York
$16M
FFM
478
Fisher Funds Management
New Zealand
$16M
AAIS
479
ABN AMRO Investment Solutions
$15.9M
SCM
480
Shelton Capital Management
Colorado
$15.8M
MNA
481
Manning & Napier Advisors
New York
$15.7M
NCM
482
Nearwater Capital Markets
Ireland
$15.6M
CPCPP
483
Canada Post Corporation Pension Plan
Canada
$15.5M
NRG
484
Nemes Rush Group
Michigan
$15.5M
GD
485
Grandfield & Dodd
New York
$15.5M
MSU
486
Mizuho Securities USA
New York
$15.3M
SCA
487
Stillwater Capital Advisors
Pennsylvania
$15.2M
AIM
488
Achmea Investment Management
Netherlands
$15.1M
AI
489
Atria Investments
North Carolina
$15.1M
EAM
490
EdenTree Asset Management
United Kingdom
$15M
AFCM
491
Applied Finance Capital Management
Puerto Rico
$14.9M
SWM
492
Stockman Wealth Management
Montana
$14.9M
SCM
493
Sio Capital Management
New York
$14.9M
AssetMark Inc
494
AssetMark Inc
California
$14.8M
BG
495
Bollard Group
Massachusetts
$14.6M
FFH
496
Fairfax Financial Holdings
Ontario, Canada
$14.5M
AWAG
497
ARS Wealth Advisors Group
Florida
$14.4M
CVM
498
Cheviot Value Management
California
$14.4M
JMFC
499
J.M. Forbes & Co
Massachusetts
$14.2M
ATPW
500
Ashton Thomas Private Wealth
Arizona
$14.2M