DOSSIER · 13F Holders · Q3 2026

IMMUNITYBIO INC

6 institutions still hold IMMUNITYBIO INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 45256X903·6 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$57M
visible holders
Holders
6
filers reporting
Concentration
65.80%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q3 2026

6 institutions reported IMMUNITYBIO INC in Q3 2026. GROUP ONE TRADING LLC leads at 65.8% 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
$38M4.0M0.05%Q3 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$12M1.3M0.01%Q3 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$4M471K0.00%Q3 2026
04
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$3M3K0.00%Q2 2026
05
HRT FINANCIAL LP
CIK 0001475597
$138K15K0.00%Q3 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025