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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 %
CHP
76
Castle Hook Partners
New York
$45.6M 452,656 +452,656 New
CS
77
Candriam SCA
Luxembourg
$44.2M 438,688 -16,720 -4%
SEI Investments
78
SEI Investments
Pennsylvania
$43.6M 433,628 +37,649 +10%
EHI
79
Eagle Health Investments
Connecticut
$43.1M 428,600 -14,700 -3%
Royal Bank of Canada
80
Royal Bank of Canada
Ontario, Canada
$43.1M 427,801 +182,539 +74%
New York State Common Retirement Fund
81
New York State Common Retirement Fund
New York
$43M 427,753 +72,031 +20%
Dimensional Fund Advisors
82
Dimensional Fund Advisors
Texas
$41.4M 411,744 +39,744 +11%
VOYA Investment Management
83
VOYA Investment Management
Georgia
$41M 407,679 -177,749 -30%
TD Asset Management
84
TD Asset Management
Ontario, Canada
$39.8M 395,194 -107,038 -21%
Two Sigma Investments
85
Two Sigma Investments
New York
$37.9M 376,508 -30,395 -7%
FTM
86
First Turn Management
California
$37.5M 372,672 -28,957 -7%
Envestnet Asset Management
87
Envestnet Asset Management
Illinois
$36.8M 365,827 +40,520 +12%
PSC
88
Patient Square Capital
California
$36.1M 358,800 +28,550 +9%
Swiss National Bank
89
Swiss National Bank
Switzerland
$35M 347,400 +18,100 +5%
WAM
90
Weiss Asset Management
Massachusetts
$34.2M 339,825 +339,825 New
Los Angeles Capital Management
91
Los Angeles Capital Management
California
$33.3M 330,800 +318,716 +2,638%
SI
92
Sofinnova Investments
California
$31.6M 313,923 +9,669 +3%
Voloridge Investment Management
93
Voloridge Investment Management
Florida
$31.5M 313,053 +310,376 +11,594%
Aberdeen Group
94
Aberdeen Group
United Kingdom
$31.2M 309,749 -26,608 -8%
Renaissance Technologies
95
Renaissance Technologies
New York
$31.1M 308,687 +308,687 New
BNP Paribas Asset Management
96
BNP Paribas Asset Management
France
$30.4M 302,065 -311,204 -51%
Allspring Global Investments
97
Allspring Global Investments
North Carolina
$29.7M 304,310 -134,364 -31%
UBS Group
98
UBS Group
Switzerland
$29.5M 293,454 -184,182 -39%
CSS
99
Cubist Systematic Strategies
Connecticut
$28.5M 283,102 +283,102 New
CWG
100
C WorldWide Group
Denmark
$27.3M 271,110 -50,000 -16%
2 3
4
5 6