ATI Inc. ATI

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175.79 USD +7.45 (+4.43%)

At closeNov 6, 2026, 4:08 PM EST

175.79 0.00 0.00%

After hours · Nov 6, 4:08 PM ET

166.95 Day range 176.79

93.11 52-week range 243.57

Held by insiders 0.82%

Held by institutions 97.63%

Float held by institutions 98.44%

Institutions 1,106

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	13.77%	18,708,922	3.29B	Jun 29, 2026
Vanguard Portfolio Management LLC	4.58%	6,219,875	1.09B	Jun 29, 2026
Vanguard Capital Management LLC	4.54%	6,162,418	1.08B	Jun 29, 2026
State Street Corporation	3.86%	5,237,299	919.88M	Jun 29, 2026
Capital World Investors	3.86%	5,249,249	921.98M	Jun 29, 2026
Capital Research Global Investors	3.75%	5,093,768	894.67M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
iShares Trust-iShares Core S&P Mid-Cap ETF	3.57%	4,850,420	851.93M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.19%	4,331,882	760.85M	Jun 29, 2026
SmallCap World Fund Inc	2.96%	4,014,385	705.09M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	2.30%	3,129,836	549.72M	Jun 29, 2026
Growth Fund of America	1.45%	1,965,907	345.29M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Growth Index Fund	1.33%	1,804,092	316.87M	Jun 29, 2026

ATI insiders
Insider	Relation	Latest transaction	Date	Shares held
BHATIA VAISHALI S	General Counsel	Stock Award(Grant)	Jan 4, 2026	61,929
CARLISLE HERBERT J	Director	Stock Award(Grant)	May 18, 2026	37,556
CORVI CAROLYN	Director	Stock Award(Grant)	May 18, 2026	71,145
FIELDS KIMBERLY A	Chief Executive Officer	Sale	Aug 16, 2026	100,719
FOSTER JAMES ROBERT	Chief Financial Officer	Conversion of Exercise of derivative security	Jun 30, 2026	57,824
HARRIS TIMOTHY J	Chief Technology Officer	Sale	Sep 20, 2026	88,187

Held by funds