DOSSIER · 13F Holders · Q2 2026

INSMED INC

7 institutions still hold INSMED INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 457669907·7 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$67M
visible holders
Holders
7
filers reporting
Concentration
71.13%
JPMORGAN CHASE & CO #1
top holder share
AI Holders Summary · Q2 2026

7 institutions reported INSMED INC in Q2 2026. JPMORGAN CHASE & CO leads at 71.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
JPMORGAN CHASE & CO
CIK 0000019617
$48M455K0.00%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$7M67K0.00%Q2 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$6M60K0.01%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$5M45K0.00%Q2 2026
05
HRT FINANCIAL LP
CIK 0001475597
$1M6K0.00%Q4 2025
06
OSAIC HOLDINGS, INC.
CIK 0001677044
$2K10.00%Q2 2026
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025