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
SG Americas Securities
151
SG Americas Securities
New York
$104M
CAPTRUST Financial Advisors
152
CAPTRUST Financial Advisors
North Carolina
$104M
Focus Partners Wealth
153
Focus Partners Wealth
Massachusetts
$104M
BAMF
154
BI Asset Management Fondsmaeglerselskab
Denmark
$104M
AIM
155
AXA Investment Managers
France
$101M
QP
156
Quilter Plc
United Kingdom
$99.3M
SO
157
STRS Ohio
Ohio
$98.8M
Mackenzie Financial
158
Mackenzie Financial
Ontario, Canada
$98.6M
RPI
159
Railway Pension Investments
United Kingdom
$98.5M
LFG
160
Lazard Frères Gestion
France
$98.3M
Squarepoint
161
Squarepoint
New York
$95.3M
CCM
162
Causeway Capital Management
California
$95.2M
Treasurer of the State of North Carolina
163
Treasurer of the State of North Carolina
North Carolina
$95.1M
UM
164
UniSuper Management
Australia
$91.2M
Zurich Cantonal Bank
165
Zurich Cantonal Bank
Switzerland
$90.8M
Creative Planning
166
Creative Planning
Kansas
$90.4M
Cetera Investment Advisers
167
Cetera Investment Advisers
Illinois
$90.3M
Credit Agricole
168
Credit Agricole
France
$89.2M
MR
169
Munich Reinsurance
$88.6M
Adage Capital Partners
170
Adage Capital Partners
Massachusetts
$88.4M
DM
171
Deerfield Management
New York
$86.4M
BG
172
Bahl & Gaynor
Ohio
$86.4M
ZIM
173
Zacks Investment Management
Illinois
$86.3M
Ohio Public Employees Retirement System (OPERS)
174
Ohio Public Employees Retirement System (OPERS)
Ohio
$86.3M
Luther King Capital Management (LKCM)
175
Luther King Capital Management (LKCM)
Texas
$84.2M