Gulfstream Capital

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ATI: insider buying, 13F holders, analyst moves

ATI Inc

A summary of public filings about ATI Inc. For the latest insider history, price chart, analyst changes and activist filings, open the live lookup.

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SEC Form 13F · Q2 2026

5 of our 100 managers hold ATI

Combined reported value $468.3M.

Holders among our 100 managers: 2 in Q3 2023, 5 in Q2 2026.

ManagerValue% of portfolioChange vs Q1 2026
Viking Global Investors$227.4M0.65%Trimmed
Polen Capital$161.5M1.39%New
Rokos Capital$35.7M0.45%Added
Tudor Investment$29.3M0.12%Added
Soros Fund Management$14.5M0.19%Added

All holders and who sold out

Important information

Facts from public SEC filings, shown for information only. Not a recommendation. Not individualized investment advice. Gulfstream Capital and its clients may hold positions in securities shown.