665 hedge funds and large institutions have $37B invested in Insmed in 2025 Q4 according to their latest regulatory filings, with 193 funds opening new positions, 237 increasing their positions, 180 reducing their positions, and 80 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

0.05% more ownership

Funds ownership: 99.76%99.81% (+0.05%)

10% less call options, than puts

Call options by funds: $671M | Put options by funds: $741M

8% less funds holding in top 10

Funds holding in top 10: 2422 (-2)

Holders
665
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$671M
Puts
$741M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
EAM
151
EULAV Asset Management
Florida
$14.1M
ECM
152
ExodusPoint Capital Management
New York
$13.9M
Mirae Asset Global Investments
153
Mirae Asset Global Investments
South Korea
$13.7M
ACM
154
Atika Capital Management
New York
$13.4M
KK
155
KLP Kapitalforvaltning
Norway
$12.9M
Korea Investment Corp
156
Korea Investment Corp
South Korea
$12.6M
State of New Jersey Common Pension Fund D
157
State of New Jersey Common Pension Fund D
New Jersey
$12.6M
SCM
158
Silverarc Capital Management
Massachusetts
$12.4M
Creative Planning
159
Creative Planning
Kansas
$12.3M
Stifel Financial
160
Stifel Financial
Missouri
$12.1M
Schroder Investment Management Group
161
Schroder Investment Management Group
United Kingdom
$11.7M
SG Americas Securities
162
SG Americas Securities
New York
$11.6M
Squarepoint
163
Squarepoint
New York
$11.6M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
164
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$11.4M
Handelsbanken Fonder
165
Handelsbanken Fonder
Sweden
$11.1M
Ohio Public Employees Retirement System (OPERS)
166
Ohio Public Employees Retirement System (OPERS)
Ohio
$11M
Bank of Montreal
167
Bank of Montreal
Ontario, Canada
$10.9M
EIM
168
Essex Investment Management
Massachusetts
$10.9M
Bank of Nova Scotia
169
Bank of Nova Scotia
Ontario, Canada
$10.6M
RAM
170
Resona Asset Management
Japan
$10.5M
TCM
171
Tang Capital Management
California
$10.4M
Alyeska Investment Group
172
Alyeska Investment Group
Illinois
$10.4M
RA
173
Royce & Associates
New York
$10.4M
Swedbank
174
Swedbank
Sweden
$10.4M
AM
175
AGF Management
Ontario, Canada
$10.2M