Xenetic Biosciences, Inc. (XBIO) Ownership
XBIO ownership summary
as of October 18, 2026- Institutions
- 6.5% of shares outstanding
- Insiders
- 11.43% of shares outstanding
- Shares outstanding
- 2.3M
- Float
- 1.9M shares available to trade
- Short interest
- 0.57% 13K shares short
- Days to cover
- 0.08 short interest down 42.7% vs prior month
- Institutions 6.49%
- Insiders 11.43%
- Other investors 82.08%
XBIO top institutional holders
12 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Renaissance Technologies Corp | 5.01% | 117K | $233,706 | −20,000 (−14.6%) | June 30, 2026 |
| 2 | Geode Capital Management, LLC | 0.74% | 17K | $34,672 | −4,018 (−18.7%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 0.54% | 13K | $25,235 | +5,950 (+88.4%) | June 30, 2026 |
| 4 | JTC Employer Solutions Trustee Ltd | 0.12% | 2,700 | $5,373 | — | June 30, 2026 |
| 5 | SBI Securities Co Ltd | 0.04% | 1,000 | $1,990 | +1,000 (0.0%) | June 30, 2026 |
| 6 | Tower Research Capital LLC | 0.03% | 696 | $1,385 | −110 (−13.6%) | June 30, 2026 |
| 7 | Morgan Stanley - Brokerage Accounts | 0.01% | 150 | $298 | +150 (0.0%) | June 30, 2026 |
| 8 | Harwood Advisory Group, LLC | <0.01% | 2 | $4 | — | June 30, 2026 |
| 9 | DRW Securities, LLC | 0.00% | — | — | −13,824 (−100.0%) | March 31, 2026 |
| 10 | Citigroup Inc | 0.00% | — | — | −1,241 (−100.0%) | March 31, 2026 |
| 11 | Bank of America Corp | 0.00% | — | — | −18 (−100.0%) | March 31, 2026 |
| 12 | Citadel Advisors Llc | 0.00% | — | — | −14,879 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 12, 3 holders added 7,100 shares and 7 cut 54K.
XBIO top mutual fund and ETF holders
3 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.45% | 10K | $20,764 | −56 (−0.5%) | August 31, 2026 |
| 2 | Fidelity Series Total Market Index | 0.06% | 1,388 | $2,762 | — | August 31, 2026 |
| 3 | Fidelity Nasdaq Composite Index | 0.05% | 1,287 | $2,561 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
XBIO shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns XBIO
Institutional investors own 6.5% of Xenetic Biosciences's shares and insiders 11.43%. The largest holder is Renaissance Technologies Corp with 5.01% of the shares (117K), as of June 30, 2026. Among the top 12 institutions, 3 added shares and 7 reduced their stake in the latest filings. Short interest is 0.57% of the float, or 0.08 days of average trading volume. The share count rose 551.3% since 2014.
Related: XBIO analyst forecast, XBIO key metrics. See the XBIO stock overview for the latest quote and news.
XBIO ownership FAQ
Who owns the most Xenetic Biosciences stock?
The largest shareholders of Xenetic Biosciences are Renaissance Technologies Corp (5.01%), Geode Capital Management, LLC (0.74%), Vanguard Capital Management, LLC (0.54%), JTC Employer Solutions Trustee Ltd (0.12%), SBI Securities Co Ltd (0.04%).
What percentage of Xenetic Biosciences is owned by institutions?
Institutions hold 6.5% of Xenetic Biosciences's shares outstanding; insiders hold 11.43%.
Which funds own Xenetic Biosciences?
The largest fund holders of Xenetic Biosciences are Fidelity Extended Market Index (0.45%), Fidelity Series Total Market Index (0.06%), Fidelity Nasdaq Composite Index (0.05%).
What is Xenetic Biosciences's short interest?
13K shares of Xenetic Biosciences were sold short, 0.57% of the float; at the average daily volume it would take 0.08 days to cover.
How many shares of Xenetic Biosciences are outstanding?
Xenetic Biosciences has 2.3M shares outstanding, of which 1.9M are in the public float.