343 institutions reported holding $1.47B of Alphatec Holdings Inc (ATEC) in SEC 13F filings for 2026-06-30. Largest institutional holders: BRAIDWELL LP ($122.7M), BlackRock, Inc. ($105.5M), UBS Group AG ($65.7M), Linden Advisors LP ($65.4M), VANGUARD GROUP INC ($63.3M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30