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, Q3 2025
Institutional positions in XBiotech Inc. as of Sep 30, 2025. 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
- 48
- −5 vs. Q2 2025
- Shares held
- 2.94M
- −480.4K (−14.1%) vs. Q2 2025
- Total value
- $7.81M
- −$2.34M (−23.0%) vs. Q2 2025
- New holders
- 4
- 11 more added
- Sold out
- 9
- 22 more reduced
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding XBiotech Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 819,239 | $2.18M | 0.00% | −126,166−13.3% | Reduced |
| Millennium Management LLC | 416,344 | $1.11M | 0.00% | −135,003−24.5% | Reduced |
| BlackRock, Inc. | 302,386 | $804.3K | 0.00% | −71,220−19.1% | Reduced |
| Geode Capital Management, LLC | 221,863 | $590.5K | 0.00% | +1,184+0.5% | Added |
| RBF Capital, LLC | 200,000 | $532.0K | 0.02% | 00.0% | Unchanged |
| Morgan Stanley | 121,453 | $323.1K | 0.00% | +35,648+41.5% | Added |
| Northern Trust Corp | 81,624 | $217.1K | 0.00% | −11,531−12.4% | Reduced |
| State Street Corp | 67,306 | $179.0K | 0.00% | −1,220−1.8% | Reduced |
| Dimensional Fund Advisors LP | 64,316 | $171.1K | 0.00% | −6,649−9.4% | Reduced |
| Squarepoint Ops LLC | 62,159 | $165.3K | 0.00% | +22,383+56.3% | Added |
| Bridgeway Capital Management, LLC | 59,547 | $158.4K | 0.00% | +221+0.4% | Added |
| Empowered Funds, LLC | 59,547 | $158.4K | 0.00% | +221+0.4% | Added |
| Jane Street Group, LLC | 55,767 | $148.3K | 0.00% | +30,445+120.2% | Added |
| Bank of New York Mellon Corp | 48,451 | $128.9K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 47,389 | $126.1K | 0.00% | +29,181+160.3% | Added |
| Citadel Advisors LLC | 42,816 | $113.9K | 0.00% | +10,333+31.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 36,029 | $95.8K | 0.00% | −12,245−25.4% | Reduced |
| Qube Research & Technologies Ltd | 30,317 | $80.6K | 0.00% | −1,901−5.9% | Reduced |
| HRT Financial LP | 26,156 | $69.0K | 0.00% | +26,156 | New |
| Goldman Sachs Group Inc | 25,002 | $66.5K | 0.00% | −87,082−77.7% | Reduced |
| National Bank of Canada | 25,000 | $66.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 20,610 | $54.8K | 0.00% | −119−0.6% | Reduced |
| American Century Companies Inc | 18,881 | $50.2K | 0.00% | −6,995−27.0% | Reduced |
| Two Sigma Advisers, LP | 16,300 | $43.4K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 15,056 | $40.0K | 0.00% | −5,352−26.2% | Reduced |
| Thomasville National Bank | 13,350 | $35.5K | 0.00% | 00.0% | Unchanged |
| Synovus Financial Corp | 11,796 | $31.4K | 0.00% | 00.0% | Unchanged |
| Point72 Asia (Singapore) Pte. Ltd. | 6,817 | $18.1K | 0.00% | −6,908−50.3% | Reduced |
| UBS Group AG | 6,483 | $17.2K | 0.00% | +1,432+28.4% | Added |
| Cubist Systematic Strategies, LLC | 5,320 | $14.2K | 0.00% | −20,597−79.5% | Reduced |
| Royal Bank of Canada | 2,755 | $8.00K | 0.00% | +368+15.4% | Added |
| JPMorgan Chase & Co | 2,382 | $6.34K | 0.00% | −6,499−73.2% | Reduced |
| Rhumbline Advisers | 928 | $2.47K | 0.00% | 00.0% | Unchanged |
| McIlrath & Eck, LLC | 753 | $2.00K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 370 | $999 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 310 | $825 | 0.00% | −1,636−84.1% | Reduced |
| Barclays PLC | 207 | $551 | 0.00% | +206+20,600.0% | Added |
| SRS Capital Advisors, Inc. | 22 | $58 | 0.00% | +22 | New |
| Larson Financial Group LLC | 21 | $56 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 17 | $45 | 0.00% | −14−45.2% | Reduced |
| Essential Partners LLC | 16 | $43 | 0.00% | −17−51.5% | Reduced |
| Citigroup Inc | 12 | $32 | 0.00% | −2,931−99.6% | Reduced |
| Optiver Holding B.V. | 8 | $21 | 0.00% | +8 | New |
| True Wealth Design, LLC | 3 | $8 | 0.00% | −4−57.1% | Reduced |
| Sunbelt Securities, Inc. | 2 | $5 | 0.00% | +2 | New |
| SBI Securities Co., Ltd. | 1 | $3 | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 322 | $0 | 0.00% | −542−62.7% | Reduced |
| CWM, LLC | 127 | $0 | 0.00% | −474−78.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −47,885−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −39,381−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −17,629−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −16,921−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −9,332−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −1,425−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −358−100.0% | Sold out |
| Wells Fargo & Company | 0 | $0 | 0.00% | −149−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |