ATI Inc. ATI

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179.09 USD 0.00 (+0.00%)

At closeNov 5, 2026, 9:05 AM EST

183.90 +4.81 +2.69%

Pre-market · Nov 5, 9:05 AM ET

Day range unavailable

93.11 52-week range 243.57

Held by insiders 0.82%

Held by institutions 97.16%

Float held by institutions 97.97%

Institutions 1,101

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	13.77%	18,708,922	3.35B	Jun 29, 2026
Vanguard Portfolio Management LLC	4.58%	6,219,875	1.11B	Jun 29, 2026
Vanguard Capital Management LLC	4.54%	6,162,418	1.10B	Jun 29, 2026
State Street Corporation	3.86%	5,237,299	937.84M	Jun 29, 2026
Capital World Investors	3.86%	5,249,249	939.98M	Jun 29, 2026
Capital Research Global Investors	3.75%	5,093,768	912.14M	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	868.56M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.19%	4,331,882	775.71M	Jun 29, 2026
SmallCap World Fund Inc	2.96%	4,014,385	718.86M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	2.30%	3,129,836	560.46M	Jun 29, 2026
Growth Fund of America	1.45%	1,965,907	352.03M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Growth Index Fund	1.33%	1,804,092	323.06M	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