551 hedge funds and large institutions have $30.3B invested in Insmed in 2025 Q3 according to their latest regulatory filings, with 127 funds opening new positions, 188 increasing their positions, 195 reducing their positions, and 71 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

7% less call options, than puts

Call options by funds: $610M | Put options by funds: $657M

15.77% less ownership

Funds ownership: 115.5%99.73% (-16%)

27% less funds holding in top 10

Funds holding in top 10: 3324 (-9)

Holders
551
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
24
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$610M
Puts
$657M
Net Calls
Net Calls Change

Top Buyers

1 +$1.07B
2 +$589M
3 +$330M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$322M
5
OAG
Orbis Allan Gray
Bermuda
+$249M
Name Holding Trade Value Shares
Change
Change in
Stake
TCM
76
TimesSquare Capital Management
New York
$61.2M
TD Asset Management
77
TD Asset Management
Ontario, Canada
$57.4M
CS
78
Candriam SCA
Luxembourg
$57.3M
Dimensional Fund Advisors
79
Dimensional Fund Advisors
Texas
$55.7M
RSCM
80
Rock Springs Capital Management
Maryland
$55.4M
IG
81
ING Group
Netherlands
$53.8M
PCH
82
Polar Capital Holdings
United Kingdom
$53.6M
Swiss National Bank
83
Swiss National Bank
Switzerland
$53.5M
Victory Capital Management
84
Victory Capital Management
Texas
$51.1M
Renaissance Technologies
85
Renaissance Technologies
New York
$50.8M
Amundi
86
Amundi
France
$50.2M
Envestnet Asset Management
87
Envestnet Asset Management
Illinois
$49.4M
LFCM
88
Long Focus Capital Management
Puerto Rico
$48.7M
FCM
89
Frontier Capital Management
Massachusetts
$47.4M
Federated Hermes
90
Federated Hermes
Pennsylvania
$47.3M
PSC
91
Patient Square Capital
California
$47M
FTM
92
First Turn Management
California
$46.1M
California Public Employees Retirement System
93
California Public Employees Retirement System
California
$44.8M
BHCM
94
Brevan Howard Capital Management
Jersey
$42.3M
SC
95
Samlyn Capital
New York
$42.1M
AQR Capital Management
96
AQR Capital Management
Connecticut
$40.9M
EHI
97
Eagle Health Investments
Connecticut
$39.1M
First Trust Advisors
98
First Trust Advisors
Illinois
$34.7M
Aberdeen Group
99
Aberdeen Group
United Kingdom
$33.8M
Susquehanna International Group
100
Susquehanna International Group
Pennsylvania
$33.6M