XbiotechXBIT
13F holders, Q2 2025 (June 30)53holders −2
15new positions
18sold out
2famous investors
$2.97avg. 13F price*
At the end of Q2 2025, 53 institutions reported holding Xbiotech Inc. (XBIT) in their 13F filings, down 2 from Q1 2025. 15 opened new positions and 18 sold out. The largest holders were Vanguard Group Inc. ($2.8M), Millennium Management ($1.6M) and BlackRock, Inc. ($1.1M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Xbiotech Inc.
- CUSIP
- 98400H102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 15 | $1.4M |
| Exits | 18 | $643K |
All 13F filers, Q1 2025 → Q2 2025: 1,023,342 shares bought and 2,085,569 shares sold, net −1,062,227 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 53 holders
| Vanguard Group Inc. | 0.00% | Reduce -11.0% | 945,405 | $2.8M |
| Millennium Management | 0.00% | Add +569.5% | 551,347 | $1.6M |
| BlackRock, Inc. | 0.00% | Reduce -70.9% | 373,606 | $1.1M |
| Geode Capital Management, LLC | 0.00% | Reduce -52.1% | 220,679 | $656K |
| RBF Capital, LLC | 0.03% | New | 200,000 | $594K |
| Goldman Sachs Group Inc. | 0.00% | Add +137.6% | 112,084 | $333K |
| Northern Trust Corp. | 0.00% | Reduce -55.5% | 93,155 | $277K |
| Morgan Stanley | 0.00% | Reduce -18.7% | 85,805 | $255K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -3.5% | 70,965 | $210K |
| State Street Corp. | 0.00% | Reduce -70.2% | 68,526 | $204K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -51.8% | 59,326 | $176K |
| Empowered Funds, LLC | 0.00% | Reduce -2.1% | 59,326 | $176K |
| Bank of New York Mellon Corp | 0.00% | Reduce -46.8% | 48,451 | $144K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Reduce -25.9% | 48,274 | $143K |
| Y-Intercept (Hong Kong) Ltd | 0.00% | New | 47,885 | $142K |
| Squarepoint Ops LLC | 0.00% | New | 39,776 | $118K |
| Susquehanna International Group, LLP | 0.00% | Add +48.5% | 39,381 | $117K |
| Citadel Advisors | 0.00% | New | 32,483 | $96K |
| Qube Research & Technologies Ltd | 0.00% | New | 32,218 | $96K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 25,917 | $77K |
| American Century Companies Inc. | 0.00% | Reduce -74.5% | 25,876 | $77K |
| Jane Street Group, LLC | 0.00% | New | 25,322 | $75K |
| National Bank of Canada | 0.00% | No change | 25,000 | $74K |
| BNP Paribas Financial Markets | 0.00% | Add +27.1% | 20,729 | $62K |
| XTX Topco Ltd | 0.00% | New | 20,408 | $61K |
| Bank of America Corp. | 0.00% | Add +41.5% | 18,208 | $54K |
| Jain Global LLC | 0.00% | New | 17,629 | $52K |
| HSBC Holdings PLC | 0.00% | Add +5.9% | 16,921 | $49K |
| Two Sigma Advisers, LP | 0.00% | Reduce -6.3% | 16,300 | $48K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.01% | New | 13,725 | $41K |
| Thomasville National Bank | 0.00% | No change | 13,350 | $40K |
| Synovus Financial Corp. | 0.00% | No change | 11,796 | $35K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +196.4% | 9,332 | $28K |
| JPMorgan Chase & Co. | 0.00% | Reduce -70.6% | 8,881 | $26K |
| UBS Group AG | 0.00% | Reduce -86.8% | 5,051 | $15K |
| Citigroup Inc. | 0.00% | Reduce -78.7% | 2,943 | $9K |
| Royal Bank of Canada | 0.00% | Add +14.3% | 2,387 | $7K |
| FMR LLC | 0.00% | Add +105.7% | 1,946 | $6K |
| Russell Investments Group, Ltd. | 0.00% | New | 1,425 | $4K |
| Rhumbline Advisers | 0.00% | Reduce -95.2% | 928 | $3K |
| McIlrath & Eck, LLC | 0.00% | No change | 753 | $2K |
| Simplex Trading, LLC | 0.00% | New | 864 | $2K |
| Cwm, LLC | 0.00% | Add +127.7% | 601 | $2K |
| Raymond James Financial Inc. | 0.00% | New | 358 | $1K |
| Jones Financial Companies LLLP | 0.00% | No change | 370 | $1K |
| Wells Fargo & Company | 0.00% | Reduce -98.8% | 149 | $443 |
| Essential Partners LLC | 0.00% | — | 33 | $98 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +138.5% | 31 | $92 |
| Larson Financial Group LLC | 0.00% | New | 21 | $62 |
| Clearstead Advisors, LLC | 0.00% | New | 17 | $51 |
| True Wealth Design, LLC | 0.00% | Add +40.0% | 7 | $21 |
| Barclays PLC | 0.00% | Reduce -100.0% | 1 | $3 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1 | $3 |
"% of holder's portfolio" is XBIT's weight in each manager's 13F, not the share of Xbiotech Inc. the manager owns.