ATI — Ati Inc Institutional Holders · Q3 2026
Who owns Ati Inc (ATI)? 25 institutions reported holding $169.78M in SEC 13F filings for Q3 2026 (period ended 2026-09-30). Largest holders: Artemis Investment Management LLP ($161.8M), GAMMA Investing LLC ($1.2M), Fig Financial Advisory Services Inc ($1.2M).
Source: SEC Form 13F filings · as of 2026-09-30