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
PCA
2201
Prosperity Capital Advisors
Ohio
$558K
AIA
2202
Allied Investment Advisors
Montana
$558K
SN
2203
Sittner & Nelson
Oregon
$557K
CH
2204
Cromwell Holdings
Wyoming
$557K
IRAG
2205
Investment Research & Advisory Group
Georgia
$556K
OSNBOA
2206
Old Second National Bank of Aurora
Illinois
$555K
Connor, Clark & Lunn Investment Management (CC&L)
2207
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$554K
CAG
2208
Curtis Advisory Group
California
$554K
SP
2209
Successful Portfolios
Florida
$554K
IA
2210
IFG Advisors
Missouri
$552K
SIM
2211
Sentry Investment Management
Wisconsin
$552K
S
2212
Sachetta
Massachusetts
$551K
CPA
2213
Capital Planning Advisors
California
$550K
CPCM
2214
Cardinal Point Capital Management
Ontario, Canada
$549K
I2I
2215
Insight 2811 Inc
Illinois
$548K
NB
2216
Nicolet Bankshares
Wisconsin
$548K
EFG
2217
Ethos Financial Group
Pennsylvania
$548K
JE
2218
JMAC Enterprises
Pennsylvania
$547K
HR
2219
Hardy Reed
Mississippi
$546K
SRL
2220
Scientech Research LLC
New Jersey
$546K
MCP
2221
Mirador Capital Partners
California
$545K
AA
2222
Advisory Alpha
Michigan
$545K
PTCG
2223
Pring Turner Capital Group
California
$544K
HWA
2224
HHM Wealth Advisors
Tennessee
$543K
VCM
2225
Versant Capital Management
Arizona
$543K