3,728 hedge funds and large institutions have $233B invested in Merck in 2026 Q1 according to their latest regulatory filings, with 310 funds opening new positions, 1,432 increasing their positions, 1,561 reducing their positions, and 123 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: $ → $

3% more funds holding

Funds holding: 3,6343,728 (+94)

8% less repeat investments, than reductions

Existing positions increased: 1,432 | Existing positions reduced: 1,561

1.52% less ownership

Funds ownership: 79.45%77.93% (-1.5%)

Holders
3,728
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
87
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.43B
Puts
$2.78B
Net Calls
Net Calls Change

Top Sellers

1 -$997M
2 -$809M
3 -$605M
4
Corient Private Wealth
Corient Private Wealth
Florida
-$602M
5
Millennium Management
Millennium Management
New York
-$558M
Name Holding Trade Value Shares
Change
Change in
Stake
NAMI
151
Nomura Asset Management International
Pennsylvania
$162M
Brown Advisory
152
Brown Advisory
Maryland
$161M
QCM
153
Quantinno Capital Management
New York
$160M
CS
154
Candriam SCA
Luxembourg
$159M
RFC
155
Regions Financial Corp
Alabama
$158M
Creative Planning
156
Creative Planning
Kansas
$157M
Wealth Enhancement Advisory Services
157
Wealth Enhancement Advisory Services
Minnesota
$157M
DK
158
DJE Kapital
Germany
$157M
AAMU
159
AEGON Asset Management (UK)
United Kingdom
$153M
Chevy Chase Trust
160
Chevy Chase Trust
Maryland
$151M
CIBC World Market
161
CIBC World Market
Ontario, Canada
$149M
VIA
162
Vanguard Investments Australia
Australia
$149M
CI Investments Inc
163
CI Investments Inc
Ontario, Canada
$149M
Commonwealth Equity Services
164
Commonwealth Equity Services
Massachusetts
$147M
KBC Group
165
KBC Group
Belgium
$146M
KK
166
KLP Kapitalforvaltning
Norway
$145M
Cetera Investment Advisers
167
Cetera Investment Advisers
Illinois
$144M
CB
168
Commerce Bank
Missouri
$143M
QP
169
Quilter Plc
United Kingdom
$143M
FAF
170
Fjarde Ap-fonden
Sweden
$142M
Baird Financial Group
171
Baird Financial Group
Wisconsin
$140M
Treasurer of the State of North Carolina
172
Treasurer of the State of North Carolina
North Carolina
$138M
LFG
173
Lazard Frères Gestion
France
$136M
BAMF
174
BI Asset Management Fondsmaeglerselskab
Denmark
$135M
UM
175
UniSuper Management
Australia
$132M