DOSSIER · 13F Holders · Q1 2025
INSM 0.75 06/01/28

INSMED INC

1 institutions still hold INSMED INC as of Q1 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 457669AB5·1 13F holders·last filed Mar 31, 2025
Market cap
13F value held
$3M
visible holders
Holders
1
filers reporting
Concentration
100.00%
MIZUHO SECURITIES USA LLC #1
top holder share
AI Holders Summary · Q1 2025

1 institutions reported INSM 0.75 06/01/28 in Q1 2025. MIZUHO SECURITIES USA LLC leads at 100.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
MIZUHO SECURITIES USA LLC
CIK 0001513006
$3M1.2M0.06%Q1 2025