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Insmed
INSM

Overview Fund Activity

435 hedge funds and large institutions have $15.2B invested in Insmed in 2025 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 184 increasing their positions, 149 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
435
Holders Change
–
Holders Change %
0%
% of All Funds
5.91%
Holding in Top 10
31
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+6.9%
% of All Funds
0.42%
New
56
Increased
184
Reduced
149
Closed
49
Calls
$73M
Puts
$145M
Net Calls
-$72M
Net Calls Change
-$110M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$485M
2
DGM
Darwin Global Management
Jersey
$1.2B
3
Adage Capital Partners
Adage Capital Partners
Massachusetts
$263M
4
Holocene Advisors
Holocene Advisors
New York
$155M
5
DFO
Duquesne Family Office
New York
$104M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$259M
2
PAI
Palo Alto Investors
California
$75.3M
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$113M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
$3.03M
5
LGM
Logos Global Management
California
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
DekaBank Deutsche Girozentrale
176
DekaBank Deutsche Girozentrale
Germany
$3.86M – – –
PMAM
177
Picton Mahoney Asset Management
Ontario, Canada
$3.8M +$67.7K +887 +2%
Handelsbanken Fonder
178
Handelsbanken Fonder
Sweden
$3.75M +$298K +3,900 +9%
ASRS
179
Arizona State Retirement System
Arizona
$3.71M +$102K +1,336 +3%
EAM
180
Erste Asset Management
Austria
$3.71M – – –
Teacher Retirement System of Texas
181
Teacher Retirement System of Texas
Texas
$3.49M -$202K -2,654 -5%
Pathstone Holdings
182
Pathstone Holdings
New Jersey
$3.47M +$640K +8,388 +23%
ProShare Advisors
183
ProShare Advisors
Maryland
$3.47M -$877K -11,502 -20%
Truist Financial
184
Truist Financial
North Carolina
$3.44M +$1.15M +15,036 +50%
AG
185
Algert Global
California
$3.39M -$2.39M -31,330 -41%
Zurich Cantonal Bank
186
Zurich Cantonal Bank
Switzerland
$3.32M +$7.48K +98 +0.2%
Canada Life
187
Canada Life
Manitoba, Canada
$3.25M +$235K +3,079 +8%
ORI
188
Oak Ridge Investments
Illinois
$3.2M -$1.12M -14,691 -26%
LCM
189
Legato Capital Management
California
$3.19M +$380K +4,986 +14%
Hudson Bay Capital Management
190
Hudson Bay Capital Management
Connecticut
$3.06M -$13M -169,830 -81%
Parallax Volatility Advisers
191
Parallax Volatility Advisers
California
$3.04M -$2.34M -30,624 -43%
Assenagon Asset Management
192
Assenagon Asset Management
Luxembourg
$3.03M -$37M -485,415 -92%
Calamos Advisors
193
Calamos Advisors
Illinois
$3M +$1.98M +25,925 +194%
OPS
194
Orion Portfolio Solutions
Nebraska
$2.96M +$837K +10,973 +40%
BCI
195
Brinker Capital Investments
Pennsylvania
$2.96M +$837K +10,973 +40%
CWM
196
CIBC World Markets
New York
$2.92M +$1.69M +22,123 +137%
PHP
197
Parkman Healthcare Partners
Connecticut
$2.89M +$170K +2,233 +6%
State Board of Administration of Florida Retirement System
198
State Board of Administration of Florida Retirement System
Florida
$2.87M – – –
PFSRSONJ
199
Police & Firemen's Retirement System of New Jersey
New Jersey
$2.83M +$27.6K +362 +1%
LP
200
LMR Partners
United Kingdom
$2.82M +$2.82M +36,928 New
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