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
JSSH
151
J. Safra Sarasin Holding
$15.2M
Mirae Asset Global Investments
152
Mirae Asset Global Investments
South Korea
$15.1M
EAM
153
EULAV Asset Management
Florida
$15M
SAM
154
Storebrand Asset Management
Norway
$14.9M
Nomura Asset Management
155
Nomura Asset Management
Japan
$14.7M
Treasurer of the State of North Carolina
156
Treasurer of the State of North Carolina
North Carolina
$14.7M
PFSRSONJ
157
Police & Firemen's Retirement System of New Jersey
New Jersey
$14.7M
Mitsubishi UFJ Trust & Banking
158
Mitsubishi UFJ Trust & Banking
Japan
$13.8M
Swedbank
159
Swedbank
Sweden
$13.6M
Asset Management One
160
Asset Management One
Japan
$13.5M
GC
161
Guggenheim Capital
Illinois
$13.1M
AAF
162
Andra AP-fonden
Sweden
$12.7M
TAF
163
Tredje AP-fonden
Sweden
$12.5M
Stifel Financial
164
Stifel Financial
Missouri
$12.4M
KK
165
KLP Kapitalforvaltning
Norway
$12.1M
CCM
166
Cinctive Capital Management
New York
$11.9M
State of New Jersey Common Pension Fund D
167
State of New Jersey Common Pension Fund D
New Jersey
$11.9M
Manulife (Manufacturers Life Insurance)
168
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$11.9M
Creative Planning
169
Creative Planning
Kansas
$11.8M
Walleye Capital
170
Walleye Capital
New York
$11.7M
Parnassus Investments
171
Parnassus Investments
California
$11.4M
LF
172
Lansforsakringar Fondforvaltning
Sweden
$11.2M
FAF
173
Fjarde Ap-fonden
Sweden
$11.2M
Handelsbanken Fonder
174
Handelsbanken Fonder
Sweden
$11M
Assenagon Asset Management
175
Assenagon Asset Management
Luxembourg
$10.3M