555 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, 190 increasing their positions, 196 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

15.76% less ownership

Funds ownership: 115.5%99.74% (-16%)

27% less funds holding in top 10

Funds holding in top 10: 3324 (-9)

Holders
555
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
HIA
551
HFM Investment Advisors
New Jersey
$288
BHWM
552
Bay Harbor Wealth Management
Maryland
$288
RWM
553
Rialto Wealth Management
New York
$145
SA
554
Seneschal Advisors
Washington
$145
CWP
555
Concord Wealth Partners
Virginia
$144
Norges Bank
556
Norges Bank
Norway
DTC
557
Deep Track Capital
Connecticut
HF
558
HRT Financial
New York
Alyeska Investment Group
559
Alyeska Investment Group
Illinois
WAM
560
Weiss Asset Management
Massachusetts
CSS
561
Cubist Systematic Strategies
Connecticut
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
562
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
Axa
563
Axa
France
Squarepoint
564
Squarepoint
New York
JF
565
Jump Financial
Illinois
PAM
566
Panagora Asset Management
Massachusetts
SBH
567
Segall Bryant & Hamill
Illinois
RAM
568
Readystate Asset Management
Illinois
ECM
569
ExodusPoint Capital Management
New York
PAMP
570
Polar Asset Management Partners
Ontario, Canada
PCM
571
Peregrine Capital Management
Minnesota
Hudson Bay Capital Management
572
Hudson Bay Capital Management
Connecticut
ITP
573
Iron Triangle Partners
Connecticut
FLAM
574
First Light Asset Management
Minnesota
XT
575
XTX Topco
Cayman Islands