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 | $5.96M |
| Q3 2025 | 48 | $7.81M |
| Q2 2025 | 53 | $10.2M |
| Q1 2025 | 55 | $14.5M |
| Q4 2024 | 53 | $18.6M |
| Q3 2024 | 50 | $37.6M |
| Q2 2024 | 46 | $23.3M |
| Q1 2024 | 46 | $34.9M |
| Q4 2023 | 39 | $14.2M |
| Q3 2023 | 38 | $14.0M |
| Q2 2023 | 39 | $20.7M |
| Q1 2023 | 39 | $8.68M |
| Q4 2022 | 41 | $9.68M |
| Q3 2022 | 45 | $11.1M |
| Q2 2022 | 56 | $18.9M |
| Q1 2022 | 64 | $34.9M |
| Q4 2021 | 61 | $47.2M |
| 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 321,146 | $738.6K | 0.00% | +28,042+9.6% | Added |
| Geode Capital Management, LLC | 214,116 | $492.8K | 0.00% | −16,904−7.3% | Reduced |
| Vanguard Capital Management LLC | 200,182 | $460.4K | 0.00% | −789−0.4% | Reduced |
| RBF Capital, LLC | 198,501 | $456.6K | 0.02% | 00.0% | Unchanged |
| Morgan Stanley | 147,880 | $340.1K | 0.00% | −17,674−10.7% | Reduced |
| Bridgeway Capital Management, LLC | 98,447 | $226.4K | 0.00% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 92,365 | $212.4K | 0.00% | +789+0.9% | Added |
| Millennium Management LLC | 79,330 | $182.5K | 0.00% | −26,210−24.8% | Reduced |
| State Street Corp | 73,006 | $167.9K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 66,258 | $152.4K | 0.00% | −9,829−12.9% | Reduced |
| Empowered Funds, LLC | 59,547 | $137.0K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 41,663 | $95.8K | 0.00% | +19,225+85.7% | Added |
| Bank of New York Mellon Corp | 39,355 | $90.5K | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 36,053 | $83.0K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 34,757 | $79.9K | 0.00% | −6,457−15.7% | Reduced |
| Qube Research & Technologies Ltd | 33,570 | $77.2K | 0.00% | +14,879+79.6% | Added |
| Gsa Capital Partners LLP | 30,654 | $71.0K | 0.00% | +30,654 | New |
| Citadel Advisors LLC | 29,192 | $67.1K | 0.00% | +29,192 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 27,943 | $64.3K | 0.00% | −720−2.5% | Reduced |
| BNP Paribas Arbitrage, SA | 26,464 | $60.9K | 0.00% | −700−2.6% | Reduced |
| National Bank of Canada | 25,000 | $57.5K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 23,789 | $54.7K | 0.00% | −12,900−35.2% | Reduced |
| American Century Companies Inc | 18,381 | $42.3K | 0.00% | −500−2.6% | Reduced |
| Thomasville National Bank | 13,350 | $30.7K | 0.00% | +13,350 | New |
| XTX Topco Ltd | 13,080 | $30.1K | 0.00% | −4,821−26.9% | Reduced |
| Pinnacle Financial Partners, Inc. | 11,796 | $27.1K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 11,476 | $26.4K | 0.00% | −48,624−80.9% | Reduced |
| Vanguard Global Advisers, LLC | 7,009 | $16.1K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 5,035 | $11.6K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,206 | $3.00K | 0.00% | +17+1.4% | Added |
| Jones Financial Companies LLLP | 370 | $862 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 96 | $224 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 94 | $216 | 0.00% | +94 | New |
| SBI Securities Co., Ltd. | 37 | $85 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 21 | $48 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 11 | $25 | 0.00% | 00.0% | Unchanged |
| 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 |