ATI
ATI (ATI)
NYSE
$201.00-$3.09 (-1.51%)
Price as of Jun 23, 2026 3:29 PM EDT
  • $27.9B
    Market Cap
  • 144.57%
    1-Year Change
  • Metal Fabrication
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
13.07%
17.8M
+2.0M (+11.09%)
Dec 31, 2024
BLACKROCK, INC.
12.05%
16.4M
+1.8M (+10.80%)
Mar 31, 2026
BLACKROCK INC.
11.39%
15.5M
-4.5M (-29.19%)
Jun 30, 2024
VANGUARD GROUP INC
9.33%
12.7M
-327,723 (-2.58%)
Dec 31, 2025
BLACKROCK FUND ADVISORS
4.93%
6.7M
+876,830 (+13.03%)
Dec 31, 2016
CAPITAL RESEARCH GLOBAL INVESTORS
4.51%
6.2M
+2.5M (+41.37%)
Mar 31, 2026
N/A
4.49%
6.1M
+6.1M (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions2.4B (54.27%)
  • Mutual Funds2.0B (45.58%)
  • Insiders6.7M (0.15%)
  • Other0 (0.00%)

Insider Transactions

  • 0.15% (6.7M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $400.1M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Bhatia Vaishali S.
SVP, General Counsel and CCO
In Kind
Mar 20, 2026
$505,120.55
3,509
$143.95
58,420
Morehouse David J
Sell
Mar 09, 2026
$196,746.35
1,285
$153.11
43,492
Morehouse David J
Sell
Mar 09, 2026
$822,717.72
5,324
$154.53
38,168
BALL M LEROY
Gift
Feb 17, 2026
$0.00
350
$0.00
33,832
WETHERBEE ROBERT S
Executive Chairman
Sell
Feb 17, 2026
$1.8M
12,435
$144.01
317,188
WETHERBEE ROBERT S
Executive Chairman
Sell
Feb 17, 2026
$1.2M
8,403
$145.17
308,785
WETHERBEE ROBERT S
Executive Chairman
Sell
Feb 17, 2026
$4.2M
28,724
$146.07
280,061
WETHERBEE ROBERT S
Executive Chairman
Sell
Feb 10, 2026
$1.5M
10,438
$146.67
269,623
Fields Kimberly A
President, CEO and Director
Exempt
Jan 05, 2026
$0.00
35,898
$0.00
35,897
WETHERBEE ROBERT S
Executive Chairman
Exempt
Jan 05, 2026
$0.00
64,103
$0.00
64,102
Bhatia Vaishali S.
SVP, General Counsel and CCO
Award
Jan 05, 2026
$0.00
3,152
$0.00
63,873
Harris Timothy J
Senior VP and CDIO
Exempt
Jan 05, 2026
$0.00
25,641
$0.00
25,641
Fields Kimberly A
President, CEO and Director
Award
Jan 05, 2026
$0.00
12,510
$0.00
215,178
WETHERBEE ROBERT S
Executive Chairman
Exempt
Jan 05, 2026
$0.00
362,644
$0.00
186,538
Bhatia Vaishali S.
SVP, General Counsel and CCO
In Kind
Jan 05, 2026
$235,379.52
1,944
$121.08
61,929
Harris Timothy J
Senior VP and CDIO
Award
Jan 05, 2026
$0.00
2,677
$0.00
100,987
Fields Kimberly A
President, CEO and Director
Exempt
Jan 05, 2026
$0.00
98,620
$0.00
313,798
WETHERBEE ROBERT S
Executive Chairman
In Kind
Jan 05, 2026
$8.4M
69,369
$121.08
293,275
Miller Michael Benjamin
VP Chief Accounting Officer
Award
Jan 05, 2026
$0.00
854
$0.00
8,426
Harris Timothy J
Senior VP and CDIO
Exempt
Jan 05, 2026
$0.00
70,442
$0.00
171,429
Fields Kimberly A
President, CEO and Director
In Kind
Jan 05, 2026
$4.7M
38,871
$121.08
274,927
WETHERBEE ROBERT S
Executive Chairman
Award
Jan 05, 2026
$0.00
185,276
$0.00
478,551
Miller Michael Benjamin
VP Chief Accounting Officer
In Kind
Jan 05, 2026
$45,283.92
374
$121.08
8,052
Harris Timothy J
Senior VP and CDIO
In Kind
Jan 05, 2026
$3.7M
30,918
$121.08
140,511
Fields Kimberly A
President, CEO and Director
Award
Jan 05, 2026
$0.00
82,216
$0.00
357,143
WETHERBEE ROBERT S
Executive Chairman
In Kind
Jan 05, 2026
$8.8M
72,907
$121.08
405,644
Fields Kimberly A
President, CEO and Director
In Kind
Jan 05, 2026
$3.9M
32,352
$121.08
324,791
Harris Timothy J
Senior VP and CDIO
Award
Jan 05, 2026
$0.00
46,318
$0.00
186,829
Fields Kimberly A
President, CEO and Director
In Kind
Jan 05, 2026
$850,950.24
7,028
$121.08
317,763
WETHERBEE ROBERT S
Executive Chairman
In Kind
Jan 05, 2026
$1.9M
16,021
$121.08
389,623