12 institutions reported holding $453,024 of XENETIC BIOSCIENCES INC (XBIO) in SEC 13F filings for 2026-03-31. Largest institutional holders: RENAISSANCE TECHNOLOGIES LLC ($368,339), GEODE CAPITAL MANAGEMENT, LLC ($57,481), VANGUARD CAPITAL MANAGEMENT LLC ($18,039), JTC Employer Solutions Trustee Ltd ($7,000), Tower Research Capital LLC (TRC) ($2,160). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RENAISSANCE TECHNOLOGIES LLC | $368,339 | 137,440 | Trimmed |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | $57,481 | 21,441 | Added |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $18,039 | 6,731 | New |
| 4 | JTC Employer Solutions Trustee Ltd | $7,000 | 2,700 | Hold |
| 5 | Tower Research Capital LLC (TRC) | $2,160 | 806 | Trimmed |
| 6 | Darwin Wealth Management, LLC | $5 | 2 | Hold |
| 7 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 8 | DRW Securities, LLC | $0 | 0 | Exited |
| 9 | MORGAN STANLEY | $0 | 0 | Exited |
| 10 | CITIGROUP INC | $0 | 0 | Exited |
| 11 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
| 12 | Alexis Investment Partners, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31