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Who owns ATI (ATI) stock

759 funds reported ATI (ATI) shares in their latest 13F filings, worth $25.6B in all. The largest holder is BlackRock ($3.7B). Last quarter 423 funds added to their stakes and 255 cut them.

Largest holders of ATI (13F)Largest holders of ATI (13F)BlackRock$3.7BVanguard Group$1.5BVanguard Portfolio Management LLC$1.2BVanguard Capital Management LLC$1.2BCapital World Investors$1.0BState Street$1.0BCapital Research Global Investors$1.0BFMR LLC$983MCapital International Investors$733MInvesco$680M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock18,708,922$3.7Bincrease2026-06-30
Vanguard Group12,726,524$1.5Bdecrease2025-12-31
Vanguard Portfolio Management LLC6,219,875$1.2Bincrease2026-06-30
Vanguard Capital Management LLC6,162,418$1.2Bincrease2026-06-30
Capital World Investors5,249,249$1.0Bdecrease2026-06-30
State Street5,237,299$1.0Bdecrease2026-06-30
Capital Research Global Investors5,093,768$1.0Bdecrease2026-06-30
FMR LLC4,989,171$983Mdecrease2026-06-30
Capital International Investors3,719,485$733Mdecrease2026-06-30
Invesco3,449,291$680Mdecrease2026-06-30
Geode Capital Management, LLC2,777,512$548Mdecrease2026-06-30
Qube Research & Technologies2,144,028$423Mincrease2026-06-30
Morgan Stanley1,865,178$368Mincrease2026-06-30
Bank of America1,767,047$348Mincrease2026-06-30
Charles Schwab Investment Management1,483,253$292Mdecrease2026-06-30

ATI's latest quarter

ATI, Q3 2026: revenue $1.4B (+26% year over year), operating margin 19.1%, net earnings $190M, operating cash flow $155M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most ATI stock?

By the latest 13F filings: BlackRock ($3.7B); Vanguard Group ($1.5B); Vanguard Portfolio Management LLC ($1.2B); Vanguard Capital Management LLC ($1.2B); Capital World Investors ($1.0B).

What is the short interest in ATI?

4,730,551 shares were sold short at the 2026-10-15 settlement, -0.18% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.