Key facts
- RENAISSANCE TECHNOLOGIES LLC filed SCHEDULE 13G for Xenetic Biosciences, Inc. Common Stock, $0.001 par value per share (XBIO).
- Disclosed ownership: 7.8%.
- Date of event: 27 Oct 2025.
RENAISSANCE TECHNOLOGIES LLC - 27 Oct 2025 SCHEDULE 13G Report for Xenetic Biosciences, Inc. Common Stock, $0.001 par value per share (XBIO)
- Filing Manager
- RENAISSANCE TECHNOLOGIES LLC
- 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
- Next filing
- 14 May 2026
- SEC
- View on sec.gov
Key filing fact
RENAISSANCE TECHNOLOGIES LLC disclosed 7.8% ownership in Xenetic Biosciences, Inc. Common Stock, $0.001 par value per share (XBIO) on 27 Oct 2025.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 12 Feb 2026, 14:15.
Research use
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (2)
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| 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 |
CIK / CUSIP context first