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Insmed
INSM

Overview Fund Activity

508 hedge funds and large institutions have $21.1B invested in Insmed in 2025 Q2 according to their latest regulatory filings, with 132 funds opening new positions, 161 increasing their positions, 185 reducing their positions, and 52 closing their positions.

Holders
508
Holders Change
+73
Holders Change %
+16.78%
% of All Funds
6.82%
Holding in Top 10
33
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+6.45%
% of All Funds
0.44%
New
132
Increased
161
Reduced
185
Closed
52
Calls
$199M
Puts
$247M
Net Calls
-$48.5M
Net Calls Change
+$23.5M

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$1.57B
2
DGM
2
Darwin Global Management
Jersey
$1.92B
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$344M
4
BBA
4
Baker Bros. Advisors
New York
$776M
5
Norges Bank
5
Norges Bank
Norway
$195M

Top Sellers

1
BlackRock
1
BlackRock
New York
$1.12B
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$1.13B
3
State Street
3
State Street
Massachusetts
$431M
4
SCM
4
Suvretta Capital Management
New York
$24M
5
Macquarie Group
5
Macquarie Group
Australia
$114M
Name Market Value Shares Shares
Change 		Shares
Change %
Victory Capital Management
126
Victory Capital Management
Texas
$18.4M 182,773 -226,341 -55%
JF
127
Jump Financial
Illinois
$18.3M 181,554 +181,554 New
RPAM
128
Rhenman & Partners Asset Management
Sweden
$17.7M 175,435 -10,065 -5%
California State Teachers Retirement System (CalSTRS)
129
California State Teachers Retirement System (CalSTRS)
California
$17.5M 173,529 +15,831 +10%
IC
130
Ikarian Capital
Texas
$16.5M 163,751 +78,951 +93%
Prudential Financial
131
Prudential Financial
New Jersey
$15.6M 155,440 +263 +0.2%
BGI
132
B Group Inc
Texas
$15.6M 155,000 -107,500 -41%
WCM Investment Management
133
WCM Investment Management
California
$15.3M 153,986 +9,607 +7%
PAM
134
Panagora Asset Management
Massachusetts
$15.1M 149,591 -157,126 -51%
FCM
135
Frontier Capital Management
Massachusetts
$14.9M 147,801 -409,786 -73%
Tudor Investment Corp
136
Tudor Investment Corp
Connecticut
$13.5M 134,010 +134,010 New
State Board of Administration of Florida Retirement System
137
State Board of Administration of Florida Retirement System
Florida
$13.1M 130,165 +92,533 +246%
JG
138
Jain Global
New York
$12.8M 127,161 +127,161 New
VanEck Associates
139
VanEck Associates
New York
$12.1M 119,786 -3,766 -3%
SBH
140
Segall Bryant & Hamill
Illinois
$12M 119,136 -51,723 -30%
State of Wisconsin Investment Board
141
State of Wisconsin Investment Board
Wisconsin
$11.9M 117,961 -8,014 -6%
GIM
142
Granahan Investment Management
Massachusetts
$11.7M 115,917 -71,885 -38%
Federated Hermes
143
Federated Hermes
Pennsylvania
$10.9M 108,385 -84,258 -44%
DCM
144
Driehaus Capital Management
Illinois
$10.9M 108,081 -223,378 -67%
Rafferty Asset Management
145
Rafferty Asset Management
New York
$9.87M 98,110 -47,874 -33%
QC
146
Quadrature Capital
United Kingdom
$9.73M 96,703 +89,217 +1,192%
RAM
147
Readystate Asset Management
Illinois
$9.47M 94,052 -40,517 -30%
Verition Fund Management
148
Verition Fund Management
Connecticut
$9.4M 93,370 +66,896 +253%
ECM
149
ExodusPoint Capital Management
New York
$9.33M 92,717 +4,934 +6%
PAMP
150
Polar Asset Management Partners
Ontario, Canada
$9.29M 92,300 +92,300 New
4 5
6
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