665 hedge funds and large institutions have $35B invested in Insmed in 2026 Q1 according to their latest regulatory filings, with 98 funds opening new positions, 286 increasing their positions, 212 reducing their positions, and 95 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
665
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
26
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$352M
Puts
$232M
Net Calls
Net Calls Change

Top Buyers

1 +$497M
2 +$259M
3 +$248M
4
Capital World Investors
Capital World Investors
California
+$209M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$196M

Top Sellers

1 -$635M
2 -$355M
3 -$146M
4
JFG
Jefferies Financial Group
New York
-$142M
5
Holocene Advisors
Holocene Advisors
New York
-$139M
Name Holding Trade Value Shares
Change
Change in
Stake
EIM
176
Essex Investment Management
Massachusetts
$10.2M
Bank of Montreal
177
Bank of Montreal
Ontario, Canada
$10.2M
Ohio Public Employees Retirement System (OPERS)
178
Ohio Public Employees Retirement System (OPERS)
Ohio
$9.97M
RAM
179
Resona Asset Management
Japan
$9.87M
DZ Bank
180
DZ Bank
Germany
$9.84M
NAM
181
Nissay Asset Management
Japan
$9.82M
TI
182
Tidal Investments
Wisconsin
$9.7M
ASRS
183
Arizona State Retirement System
Arizona
$9.48M
AM
184
AGF Management
Ontario, Canada
$9.4M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
185
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$9.24M
SSA
186
Schonfeld Strategic Advisors
New York
$9.17M
CFB
187
Cullen/Frost Bankers
Texas
$9.09M
Canada Life
188
Canada Life
Manitoba, Canada
$8.84M
DnB Asset Management
189
DnB Asset Management
Norway
$8.69M
SO
190
STRS Ohio
Ohio
$8.5M
EF
191
Empowered Funds
Pennsylvania
$8.5M
DekaBank Deutsche Girozentrale
192
DekaBank Deutsche Girozentrale
Germany
$8.19M
SQA
193
Simon Quick Advisors
New Jersey
$8.19M
GFM
194
GF Fund Management
China
$7.93M
CIBC Asset Management
195
CIBC Asset Management
Ontario, Canada
$7.88M
Alyeska Investment Group
196
Alyeska Investment Group
Illinois
$7.87M
X
197
Xponance
Pennsylvania
$7.82M
CUAMC
198
China Universal Asset Management Company
China
$7.69M
Connor, Clark & Lunn Investment Management (CC&L)
199
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$7.56M
NL
200
NWAM LLC
Washington
$7.34M