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