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