DOSSIER · 13F Holders · Q1 2026

ADICET BIO INC

2 institutions still hold ADICET BIO INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 007002957·2 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$3K
visible holders
Holders
2
filers reporting
Concentration
80.00%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q1 2026

2 institutions reported ADICET BIO INC in Q1 2026. SIMPLEX TRADING, LLC leads at 80.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SIMPLEX TRADING, LLC
CIK 0001488542
$3K4000.00%Q1 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$6811000.00%Q1 2026