XBIO — Xenetic Biosciences, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-11-07.
Performance
Technicals
Others in Healthcare
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-04-21 | PARSLOW JAMES F Interim CEO and CFO | Grant or award 10b5-1 plan | 100.0K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | 368.3K | 137.4K |
| GEODE CAPITAL MANAGEMENT, LLC | 57.5K | 21.4K |
| VANGUARD CAPITAL MANAGEMENT LLC | 18.0K | 6.7K |
| Tower Research Capital LLC (TRC) | 2.2K | 806 |
| JTC Employer Solutions Trustee Ltd | 7 | 2.7K |
| Darwin Wealth Management, LLC | 5 | 2 |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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