3,288 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,344 increasing their positions, 1,419 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: 3,3093,288 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,344 | Existing positions reduced: 1,419

2.22% less ownership

Funds ownership: 78.27%76.05% (-2.2%)

Holders
3,288
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
AAMU
151
AEGON Asset Management (UK)
United Kingdom
$105M
SG Americas Securities
152
SG Americas Securities
New York
$104M
CAPTRUST Financial Advisors
153
CAPTRUST Financial Advisors
North Carolina
$104M
Focus Partners Wealth
154
Focus Partners Wealth
Massachusetts
$104M
BAMF
155
BI Asset Management Fondsmaeglerselskab
Denmark
$104M
AIM
156
AXA Investment Managers
France
$101M
QP
157
Quilter Plc
United Kingdom
$99.3M
SO
158
STRS Ohio
Ohio
$98.8M
Mackenzie Financial
159
Mackenzie Financial
Ontario, Canada
$98.6M
RPI
160
Railway Pension Investments
United Kingdom
$98.5M
LFG
161
Lazard Frères Gestion
France
$98.3M
KBC Group
162
KBC Group
Belgium
$98.2M
SLAM
163
Swiss Life Asset Management
$97.2M
Squarepoint
164
Squarepoint
New York
$95.3M
CCM
165
Causeway Capital Management
California
$95.2M
Treasurer of the State of North Carolina
166
Treasurer of the State of North Carolina
North Carolina
$95.1M
UM
167
UniSuper Management
Australia
$91.2M
Zurich Cantonal Bank
168
Zurich Cantonal Bank
Switzerland
$90.8M
Creative Planning
169
Creative Planning
Kansas
$90.4M
Cetera Investment Advisers
170
Cetera Investment Advisers
Illinois
$90.3M
Credit Agricole
171
Credit Agricole
France
$89.2M
MR
172
Munich Reinsurance
$88.6M
Adage Capital Partners
173
Adage Capital Partners
Massachusetts
$88.4M
DM
174
Deerfield Management
New York
$86.4M
BG
175
Bahl & Gaynor
Ohio
$86.4M