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, 1,338 increasing their positions, 1,410 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: 1,338 | Existing positions reduced: 1,410

2.19% less ownership

Funds ownership: 78.17%75.98% (-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
LI
3101
Louisbourg Investments
New Brunswick, Canada
$86.8K
OAJ
3102
Ogorek Anthony Joseph
New York
$86K
HFS
3103
Hughes Financial Services
Virginia
$85.6K
SA
3104
Strategic Advocates
Utah
$85.1K
AWA
3105
American Wealth Advisors
Georgia
$85K
PWM
3106
Proathlete Wealth Management
Florida
$80.3K
UIA
3107
Ulland Investment Advisors
Minnesota
$80K
FWM
3108
FSA Wealth Management
Massachusetts
$79.8K
RFS
3109
Richardson Financial Services
Massachusetts
$79.5K
DWS
3110
Dynamic Wealth Strategies
California
$75.4K
HFS
3111
Hopwood Financial Services
Virginia
$73.5K
DPW
3112
DiNuzzo Private Wealth
Pennsylvania
$73.1K
1IA
3113
1620 Investment Advisors
Massachusetts
$70.7K
CTB
3114
Country Trust Bank
Illinois
$69.8K
HIW
3115
Holos Integrated Wealth
Pennsylvania
$69.5K
TSMHT
3116
Thurston Springer Miller Herd & Titak
Indiana
$68.2K
SOW
3117
State of Wyoming
Wyoming
$67.1K
FG
3118
Fairman Group
Pennsylvania
$66.9K
LFASL
3119
Lugano Financial Advisors SA (LFA)
Switzerland
$66.1K
SCA
3120
Stuart Chaussee & Associates
California
$64.6K
AWM
3121
Activest Wealth Management
Florida
$64.5K
BIM
3122
Breakwater Investment Management
Washington
$63.7K
VWWMG
3123
Vermillion & White Wealth Management Group
Pennsylvania
$62.9K
AP
3124
Atwood & Palmer
Missouri
$61.3K
BGA
3125
Battery Global Advisors
Massachusetts
$60.8K