XENETIC BIOSCIENCES INC XBIO
COM · Common Stock · CUSIP 984015602
Company in Lexington, United States
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersFramingham, MA
- Founded2014
- Websitexeneticbio.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $2.17.
Trends to Q4 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q2 2023 | 10 |
| Q3 2023 | 8 |
| Q4 2023 | 8 |
| Q1 2024 | 8 |
| Q2 2024 | 6 |
| Q3 2024 | 10 |
| Q4 2024 | 14 |
| Q1 2025 | 14 |
| Q2 2025 | 10 |
| Q3 2025 | 10 |
| Q4 2025 | 11 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q1 2024 | 2 | 1 |
| Q2 2024 | 2 | 5 |
| Q3 2024 | 6 | 2 |
| Q4 2024 | 5 | 4 |
| Q1 2025 | 7 | 2 |
| Q2 2025 | 2 | 6 |
| Q3 2025 | 4 | 2 |
| Q4 2025 | 7 | 4 |
Biggest buyers
| RENAISSANCE TECHNOLOGIES LLC | Added | +149.6k |
| CITADEL ADVISORS LLC | New | +14.9k |
| DRW Securities, LLC | New | +13.8k |
| Tower Research Capital LLC (TRC) | New | +4.0k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +2.9k |
| CITIGROUP INC | New | +1.2k |
| BANK OF AMERICA CORP /DE/ | Added | +6 |
Biggest sellers
| Sachetta, LLC | Sold out | -15.3k |
| UBS Group AG | Sold out | -497 |
| SBI Securities Co., Ltd. | Sold out | -5 |
| MORGAN STANLEY | Reduced | -1 |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| RENAISSANCE TECHNOLOGIES LLC 13G · institution -1.8 pts · filed 2026-05-14 | 6.0% |
Fell to 5% or below in the last year: MJL Manager LLC (0.0%, 2026-09-18)
Insider purchases and sales in Q4 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported in Q4 2025.
Holders, Q4 2025
| Manager | Shares | Change |
|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 178.5k $387.4k | Added +149.6k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 14.9k $32.3k | New |
| DRW Securities, LLC 0.00% of their portfolio | 13.8k $30.0k | New |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 13.6k $29.5k | Added +2.9k |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 4.0k $8.7k | New |
| JTC Employer Solutions Trustee Ltd 0.00% of their portfolio | 2.7k $6.0k | Unchanged |
| CITIGROUP INC 0.00% of their portfolio | 1.2k $2.7k | New |
| Alexis Investment Partners, LLC 0.00% of their portfolio | 25 $54 | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 18 $39 | Added +6 |
| MORGAN STANLEY 0.00% of their portfolio | 3 $7 | Reduced -1 |
| Darwin Wealth Management, LLC 0.00% of their portfolio | 2 $4 | Unchanged |