DOSSIER · 13F Holders · Q2 2026

XOMA CORP DEL

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

CUSIP 98419J956·4 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$4M
visible holders
Holders
4
filers reporting
Concentration
59.56%
Groupe la Francaise #1
top holder share
AI Holders Summary · Q2 2026

4 institutions reported XOMA CORP DEL in Q2 2026. Groupe la Francaise leads at 59.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Groupe la Francaise
CIK 0002056088
$2M52K0.03%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$1M27K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$353K8K0.00%Q2 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025