40 institutions reported holding $4.9M of XBIOTECH INC (XBIT) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($738,636), VANGUARD GROUP INC ($688,980), GEODE CAPITAL MANAGEMENT, LLC ($492,755), RBF Capital, LLC ($456,552), MORGAN STANLEY ($340,124). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30