DOSSIER · 13F Holders · Q2 2026

LEGEND BIOTECH CORP

5 institutions still hold LEGEND BIOTECH CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 52490G902·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$5M
visible holders
Holders
5
filers reporting
Concentration
37.26%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported LEGEND BIOTECH CORP in Q2 2026. GROUP ONE TRADING LLC leads at 37.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$2M64K0.00%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$2M56K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$898K31K0.00%Q2 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$617K21K0.00%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025