563 hedge funds and large institutions have $30.3B invested in Insmed in 2025 Q3 according to their latest regulatory filings, with 129 funds opening new positions, 193 increasing their positions, 196 reducing their positions, and 72 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

15.75% less ownership

Funds ownership: 115.51%99.76% (-16%)

27% less funds holding in top 10

Funds holding in top 10: 3324 (-9)

Holders
563
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 +$908M
2 +$501M
3 +$281M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$274M
5
OAG
Orbis Allan Gray
Bermuda
+$212M
Name Holding Trade Value Shares
Change
Change in
Stake
MSRPS
276
Maryland State Retirement & Pension System
Maryland
$1.34M
DFCM
277
Dark Forest Capital Management
Puerto Rico
$1.33M
Mirae Asset Global Investments
278
Mirae Asset Global Investments
South Korea
$1.31M
Rockefeller Capital Management
279
Rockefeller Capital Management
New York
$1.28M
SC
280
SummitTX Capital
Texas
$1.27M
WPW
281
Waldron Private Wealth
Pennsylvania
$1.27M
Parnassus Investments
282
Parnassus Investments
California
$1.26M
SLAM
283
Swiss Life Asset Management
$1.26M
US Bancorp
284
US Bancorp
Minnesota
$1.25M
HCS
285
Himension Capital (Singapore)
Singapore
$1.24M
Wealth Enhancement Advisory Services
286
Wealth Enhancement Advisory Services
Minnesota
$1.23M
BFA
287
Beacon Financial Advisory
Ohio
$1.22M
WSCM
288
Wellington Shields Capital Management
New York
$1.22M
OAM
289
Oxford Asset Management
United Kingdom
$1.2M
SCI
290
S&CO Inc
Massachusetts
$1.2M
SCA
291
Snowden Capital Advisors
New York
$1.12M
JSSH
292
J. Safra Sarasin Holding
$1.09M
ProShare Advisors
293
ProShare Advisors
Maryland
$1.08M
JGC
294
J. Goldman & Co
New York
$1.06M
PS
295
Principal Securities
Iowa
$1.01M
Walleye Capital
296
Walleye Capital
New York
$998K
PNC Financial Services Group
297
PNC Financial Services Group
Pennsylvania
$981K
ECM
298
Everence Capital Management
Indiana
$928K
QCM
299
QRG Capital Management
Illinois
$925K
LPC
300
Lion Point Capital
New York
$900K