XBiotech Inc. (XBIT) ownership: Top institutional holder: BlackRock Fund Advisors ($10.26M). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock Fund Advisors | 1013917.00 | $10.26M | 2016-12-31 |
| VANGUARD GROUP INC | 299556.00 | $715940.00 | 2025-12-31 |
| BlackRock, Inc. | 293104.00 | $688795.00 | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 231020.00 | $543173.00 | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 200971.00 | $472282.00 | 2026-03-31 |
| RBF Capital, LLC | 198501.00 | $466477.00 | 2026-03-31 |
| AMERIPRISE FINANCIAL INC | 186796.00 | $446442.00 | 2025-12-31 |
| MORGAN STANLEY | 165554.00 | $389052.00 | 2026-03-31 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.