665 hedge funds and large institutions have $37B invested in Insmed in 2025 Q4 according to their latest regulatory filings, with 193 funds opening new positions, 237 increasing their positions, 180 reducing their positions, and 80 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

0.05% more ownership

Funds ownership: 99.76%99.81% (+0.05%)

10% less call options, than puts

Call options by funds: $671M | Put options by funds: $741M

8% less funds holding in top 10

Funds holding in top 10: 2422 (-2)

Holders
665
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$671M
Puts
$741M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
KeyBank National Association
276
KeyBank National Association
Ohio
$2.64M
FDCDDQ
277
Federation des caisses Desjardins du Quebec
Quebec, Canada
$2.63M
DFCM
278
Dark Forest Capital Management
Puerto Rico
$2.56M
LSERS
279
Louisiana State Employees Retirement System
Louisiana
$2.49M
IMCOOI
280
Investment Management Corp of Ontario (IMCO)
Canada
$2.48M
SLAM
281
Swiss Life Asset Management
$2.44M
ECSS
282
Eurizon Capital SGR SpA
$2.43M
Credit Agricole
283
Credit Agricole
France
$2.42M
BG
284
Bellevue Group
Switzerland
$2.42M
ORI
285
Oak Ridge Investments
Illinois
$2.4M
Jane Street
286
Jane Street
New York
$2.35M
MMEA
287
Main Management ETF Advisors
California
$2.32M
FAMI
288
Fideuram Asset Management (Ireland)
$2.31M
EMFAT
289
Emerald Mutual Fund Advisers Trust
Pennsylvania
$2.3M
FMI
290
F/M Investments
District of Columbia
$2.3M
OAM
291
Oppenheimer Asset Management
New York
$2.29M
FA
292
Fedenia Advisers
Wisconsin
$2.25M
EI
293
EAM Investors
California
$2.25M
MIM
294
MetLife Investment Management
New Jersey
$2.24M
EMPI
295
Elo Mutual Pension Insurance
Finland
$2.16M
OE
296
October Effect
Virginia
$2.11M
MA
297
MYDA Advisors
New York
$2.09M
EA
298
Emerald Advisers
Pennsylvania
$2.09M
AIP
299
Arrowpoint Investment Partners
Singapore
$2.01M
VPIM
300
Vanguard Personalized Indexing Management
California
$1.99M