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
Qube Research & Technologies (QRT)
126
Qube Research & Technologies (QRT)
United Kingdom
$24.3M
WP
127
Woodline Partners
California
$24.3M
ECM
128
ExodusPoint Capital Management
New York
$24.2M
LFCM
129
Long Focus Capital Management
Puerto Rico
$23.7M
PL
130
Perpetual Ltd
Australia
$23.3M
LPL Financial
131
LPL Financial
California
$22.6M
SG Americas Securities
132
SG Americas Securities
New York
$22.4M
Man Group
133
Man Group
United Kingdom
$20.7M
FAM
134
Fred Alger Management
New York
$20.6M
Mirae Asset Global ETFs Holdings
135
Mirae Asset Global ETFs Holdings
Hong Kong
$20.1M
Aviva
136
Aviva
United Kingdom
$20M
Universal-Beteiligungs- und Servicegesellschaft
137
Universal-Beteiligungs- und Servicegesellschaft
Germany
$19.7M
Schroder Investment Management Group
138
Schroder Investment Management Group
United Kingdom
$19.6M
HSBC Holdings
139
HSBC Holdings
United Kingdom
$19M
Rafferty Asset Management
140
Rafferty Asset Management
New York
$19M
PPF
141
PFA Pension Forsikringsaktieselskab
$18.8M
State of Wisconsin Investment Board
142
State of Wisconsin Investment Board
Wisconsin
$18.7M
DB
143
Danske Bank
Denmark
$18.2M
NIM
144
NEOS Investment Management
Connecticut
$18.1M
VGA
145
Vanguard Global Advisers
Pennsylvania
$17.8M
VIA
146
Vanguard Investments Australia
Australia
$17.3M
DCM
147
Driehaus Capital Management
Illinois
$17.2M
National Bank of Canada
148
National Bank of Canada
Quebec, Canada
$17.1M
VanEck Associates
149
VanEck Associates
New York
$17.1M
MGP
150
M&G plc
United Kingdom
$16.1M