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
SLG
2951
Stanley-Laman Group
Pennsylvania
$228K
MGWM
2952
Marks Group Wealth Management
Minnesota
$228K
GPWM
2953
Grant Private Wealth Management
California
$228K
RFA
2954
Rollins Financial Advisors
New York
$227K
CWA
2955
Cura Wealth Advisors
Illinois
$227K
DDPIC
2956
Deroy & Devereaux Private Investment Counsel
Michigan
$227K
QPW
2957
Quantum Private Wealth
Florida
$227K
WRPWM
2958
Werba Rubin Papier Wealth Management
California
$226K
JCM
2959
Jag Capital Management
Missouri
$226K
SWM
2960
Shakespeare Wealth Management
Wisconsin
$226K
MP
2961
Moment Partners
California
$226K
LODC
2962
Lanham O'Dell & Company
West Virginia
$226K
SSA
2963
South Street Advisors
New York
$226K
4WM
2964
49 Wealth Management
Texas
$225K
BDL
2965
Bey-Douglas LLC
Georgia
$225K
FWP
2966
Family Wealth Partners
North Carolina
$225K
TWM
2967
Tripletail Wealth Management
Florida
$225K
TGIA
2968
Torrey Growth & Income Advisors
California
$224K
LFGO
2969
Legacy Financial Group (Oklahoma)
Oklahoma
$224K
DA
2970
Detalus Advisors
Missouri
$223K
B
2971
Birchbrook
Maine
$223K
AIM
2972
AHL Investment Management
Florida
$223K
TWM
2973
Triton Wealth Management
Arizona
$222K
SNWA
2974
Siligmueller & Norvid Wealth Advisors
Illinois
$221K
EL
2975
EWA LLC
Pennsylvania
$221K