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 |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 322 | $0 | 0.00% | −542−62.7% | Reduced |
| CWM, LLC | 127 | $0 | 0.00% | −474−78.9% | Reduced |
| SBI Securities Co., Ltd. | 1 | $3 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 2 | $5 | 0.00% | +2 | New |
| True Wealth Design, LLC | 3 | $8 | 0.00% | −4−57.1% | Reduced |
| Optiver Holding B.V. | 8 | $21 | 0.00% | +8 | New |
| Citigroup Inc | 12 | $32 | 0.00% | −2,931−99.6% | Reduced |
| Essential Partners LLC | 16 | $43 | 0.00% | −17−51.5% | Reduced |
| EverSource Wealth Advisors, LLC | 17 | $45 | 0.00% | −14−45.2% | Reduced |
| Larson Financial Group LLC | 21 | $56 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 22 | $58 | 0.00% | +22 | New |
| Barclays PLC | 207 | $551 | 0.00% | +206+20,600.0% | Added |
| FMR LLC | 310 | $825 | 0.00% | −1,636−84.1% | Reduced |
| Jones Financial Companies LLLP | 370 | $999 | 0.00% | 00.0% | Unchanged |
| McIlrath & Eck, LLC | 753 | $2.00K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 928 | $2.47K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 2,382 | $6.34K | 0.00% | −6,499−73.2% | Reduced |
| Royal Bank of Canada | 2,755 | $8.00K | 0.00% | +368+15.4% | Added |
| Cubist Systematic Strategies, LLC | 5,320 | $14.2K | 0.00% | −20,597−79.5% | Reduced |
| UBS Group AG | 6,483 | $17.2K | 0.00% | +1,432+28.4% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 6,817 | $18.1K | 0.00% | −6,908−50.3% | Reduced |
| Synovus Financial Corp | 11,796 | $31.4K | 0.00% | 00.0% | Unchanged |
| Thomasville National Bank | 13,350 | $35.5K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 15,056 | $40.0K | 0.00% | −5,352−26.2% | Reduced |
| Two Sigma Advisers, LP | 16,300 | $43.4K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 18,881 | $50.2K | 0.00% | −6,995−27.0% | Reduced |
| BNP Paribas Arbitrage, SA | 20,610 | $54.8K | 0.00% | −119−0.6% | Reduced |
| National Bank of Canada | 25,000 | $66.0K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 25,002 | $66.5K | 0.00% | −87,082−77.7% | Reduced |
| HRT Financial LP | 26,156 | $69.0K | 0.00% | +26,156 | New |
| Qube Research & Technologies Ltd | 30,317 | $80.6K | 0.00% | −1,901−5.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 36,029 | $95.8K | 0.00% | −12,245−25.4% | Reduced |
| Citadel Advisors LLC | 42,816 | $113.9K | 0.00% | +10,333+31.8% | Added |
| Bank of America Corp | 47,389 | $126.1K | 0.00% | +29,181+160.3% | Added |
| Bank of New York Mellon Corp | 48,451 | $128.9K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 55,767 | $148.3K | 0.00% | +30,445+120.2% | 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 |
| Squarepoint Ops LLC | 62,159 | $165.3K | 0.00% | +22,383+56.3% | Added |
| Dimensional Fund Advisors LP | 64,316 | $171.1K | 0.00% | −6,649−9.4% | Reduced |
| State Street Corp | 67,306 | $179.0K | 0.00% | −1,220−1.8% | Reduced |
| Northern Trust Corp | 81,624 | $217.1K | 0.00% | −11,531−12.4% | Reduced |
| Morgan Stanley | 121,453 | $323.1K | 0.00% | +35,648+41.5% | Added |
| RBF Capital, LLC | 200,000 | $532.0K | 0.02% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 221,863 | $590.5K | 0.00% | +1,184+0.5% | Added |
| BlackRock, Inc. | 302,386 | $804.3K | 0.00% | −71,220−19.1% | Reduced |
| Millennium Management LLC | 416,344 | $1.11M | 0.00% | −135,003−24.5% | Reduced |
| Vanguard Group Inc | 819,239 | $2.18M | 0.00% | −126,166−13.3% | 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 |