Xenetic BiosciencesXBIO
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 13 institutions reported holding Xenetic Biosciences Inc. (XBIO) in their 13F filings, unchanged from Q4 2024. 1 opened new positions and 1 sold out. The largest holders were Renaissance Technologies ($70K), Susquehanna International Group, LLP ($66K) and Citadel Advisors ($45K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Xenetic Biosciences Inc.
- CUSIP
- 984015602
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $585 |
| Exits | 1 | $100 |
All 13F filers, Q4 2024 → Q1 2025: 19,049 shares bought and 961 shares sold, net +18,088 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 13 holders
| Renaissance Technologies | 0.00% | Add +4.8% | 26,764 | $70K |
| Susquehanna International Group, LLP | 0.00% | Add +60.1% | 25,388 | $66K |
| Citadel Advisors | 0.00% | Add +29.2% | 17,289 | $45K |
| LGT Group Foundation | 0.00% | No change | 11,000 | $41K |
| Geode Capital Management, LLC | 0.00% | Reduce -7.9% | 10,953 | $29K |
| Sachetta, LLC | 0.01% | Add +44.7% | 10,666 | $28K |
| JTC Employer Solutions Trustee Ltd | 0.00% | No change | 2,700 | $7K |
| UBS Group AG | 0.00% | Add +52.8% | 2,531 | $7K |
| Barclays PLC | 0.00% | New | 224 | $585 |
| Bank of America Corp. | 0.00% | No change | 11 | $29 |
| SBI Securities Co., Ltd. | 0.00% | No change | 5 | $13 |
| Morgan Stanley | 0.00% | Add +300.0% | 4 | $11 |
| Darwin Wealth Management, LLC | 0.00% | No change | 2 | $7 |
"% of holder's portfolio" is XBIO's weight in each manager's 13F, not the share of Xenetic Biosciences Inc. the manager owns.