Reporting Manager
Renaissance Technologies LLC
Symbol
XBIO
Shares outstanding
2,291,515 shares
Disclosed Ownership
178,509 shares
Ownership
7.8%
Form type
SCHEDULE 13G
Filing time
12 Feb 2026, 14:15:28 UTC
Date of event
27 Oct 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Renaissance Technologies LLC 7.8% 178,509 178,509 0 Brian Felczak Chief Financial Officer
Renaissance Technologies Holdings Corporation 7.8% 178,509 178,509 0 Brian Felczak Vice President