XBiotech Inc.
XBIT- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001626878
No open-market purchases or sales by XBiotech Inc. insiders were filed in the last 90 days; 36 institutions reported holding it in 13F filings for Q2 2026, worth $4.56M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in XBiotech Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 36
- +1 vs. Q1 2026
- Shares held
- 1.98M
- −10.8K (−0.5%) vs. Q1 2026
- Total value
- $4.56M
- −$122.7K (−2.6%) vs. Q1 2026
- New holders
- 4
- 5 more added
- Sold out
- 3
- 12 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting XBIT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 36 | $4.56M |
| Q1 2026 | 37 | $4.68M |
| Q4 2025 | 41 | $5.48M |
| Q3 2025 | 48 | $7.81M |
| Q2 2025 | 53 | $10.1M |
| Q1 2025 | 55 | $14.5M |
| Q4 2024 | 53 | $18.6M |
| Q3 2024 | 50 | $37.5M |
| Q2 2024 | 46 | $23.2M |
| Q1 2024 | 46 | $32.5M |
| Q4 2023 | 39 | $13.8M |
| Q3 2023 | 38 | $14.0M |
| Q2 2023 | 39 | $20.7M |
| Q1 2023 | 39 | $8.61M |
| Q4 2022 | 41 | $9.68M |
| Q3 2022 | 45 | $11.1M |
| Q2 2022 | 56 | $18.9M |
| Q1 2022 | 64 | $34.9M |
| Q4 2021 | 61 | $46.8M |
| Q3 2021 | 66 | $56.7M |
| Q2 2021 | 56 | $66.8M |
| Q1 2021 | 65 | $74.1M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding XBiotech Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caitong International Asset Management Co., Ltd | 11 | $25 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 21 | $48 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 37 | $85 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 94 | $216 | 0.00% | +94 | New |
| JPMorgan Chase & Co | 96 | $224 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 370 | $862 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,206 | $3.00K | 0.00% | +17+1.4% | Added |
| UBS Group AG | 5,035 | $11.6K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 7,009 | $16.1K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 11,476 | $26.4K | 0.00% | −48,624−80.9% | Reduced |
| Pinnacle Financial Partners, Inc. | 11,796 | $27.1K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 13,080 | $30.1K | 0.00% | −4,821−26.9% | Reduced |
| Thomasville National Bank | 13,350 | $30.7K | 0.00% | +13,350 | New |
| American Century Companies Inc | 18,381 | $42.3K | 0.00% | −500−2.6% | Reduced |
| Bank of America Corp | 23,789 | $54.7K | 0.00% | −12,900−35.2% | Reduced |
| National Bank of Canada | 25,000 | $57.5K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 26,464 | $60.9K | 0.00% | −700−2.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 27,943 | $64.3K | 0.00% | −720−2.5% | Reduced |
| Citadel Advisors LLC | 29,192 | $67.1K | 0.00% | +29,192 | New |
| Gsa Capital Partners LLP | 30,654 | $71.0K | 0.00% | +30,654 | New |
| Qube Research & Technologies Ltd | 33,570 | $77.2K | 0.00% | +14,879+79.6% | Added |
| Squarepoint Ops LLC | 34,757 | $79.9K | 0.00% | −6,457−15.7% | Reduced |
| Dimensional Fund Advisors LP | 36,053 | $83.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 39,355 | $90.5K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 41,663 | $95.8K | 0.00% | +19,225+85.7% | Added |
| Empowered Funds, LLC | 59,547 | $137.0K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 66,258 | $152.4K | 0.00% | −9,829−12.9% | Reduced |
| State Street Corp | 73,006 | $167.9K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 79,330 | $182.5K | 0.00% | −26,210−24.8% | Reduced |
| Vanguard Fiduciary Trust Co | 92,365 | $212.4K | 0.00% | +789+0.9% | Added |
| Bridgeway Capital Management, LLC | 98,447 | $226.4K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 147,880 | $340.1K | 0.00% | −17,674−10.7% | Reduced |
| RBF Capital, LLC | 198,501 | $456.6K | 0.02% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 200,182 | $460.4K | 0.00% | −789−0.4% | Reduced |
| Geode Capital Management, LLC | 214,116 | $492.8K | 0.00% | −16,904−7.3% | Reduced |
| BlackRock, Inc. | 321,146 | $738.6K | 0.00% | +28,042+9.6% | Added |
| Rhumbline Advisers | 0 | $0 | 0.00% | −928−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| McIlrath & Eck, LLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |