ATI

ATI13F as of Jun 30, 2026 · next update ~Nov 14

Limited coverage

Only 2 funds we track own this stock, so quarterly sentiment and aggregates may be sparse.

Who's buying ATI

Top funds were split on ATI in Q2 (Apr⁠–⁠Jun)

Buying:

FundsInsidersCongress

Top funds
1 of 2 bought more, 1 sold some. Largest: Viking Global Investors, $227.4M (1% of its portfolio).
Insiders
No buys, 20 sales in 12 months.
Congress
No trades disclosed in the last 12 months.

2 funds$388.9M held1.0% avg. weightQ2: 1 bought / 1 sold

13F reports are a snapshot as of Jun 30, 2026; funds may have traded since. Insiders often sell for personal reasons (taxes, diversification, planned sales).

Share price · market data, not from 13F reports

Q2 2026

Insider trades (Form 4)

Last 2 years · 35 filings

Date	Insider	Type	Shares	Price	Value
Sep 21, 2026	Timothy J Harris VP	Sold	9,000	$191.82	$1.73M
Sep 14, 2026	Timothy J Harris VP	Sold	16,500	$193.06	$3.19M
Sep 8, 2026	Timothy J Harris VP	Sold	16,500	$207.54	$3.42M
Sep 2, 2026	David J Morehouse Director	Sold	2,485	$201.61	$501K
Aug 31, 2026	Timothy J Harris VP	Sold	16,500	$210.01	$3.47M
Aug 24, 2026	Timothy J Harris VP	Sold	16,500	$206.92	$3.41M
Aug 17, 2026	Kimberly A Fields Chair & President & CEO	Sold	24,845	$231.19	$5.74M
Jul 28, 2026	Kimberly A Fields Chair & President & CEO	Sold	31,757	$190.99	$6.07M
Jul 7, 2026	Kimberly A Fields Chair & President & CEO	Sold	40,000	$182.91	$7.32M
Jun 22, 2026	Kimberly A Fields Chair & President & CEO	Sold	20,693	$200.64	$4.15M
Jun 2, 2026	Kimberly A Fields Chair & President & CEO	Sold	59,749	$179.07	$10.70M
May 11, 2026	Kimberly A Fields President & CEO & Director	Sold	40,000	$159.21	$6.37M
Feb 17, 2026	Robert S Wetherbee Chair	Sold	60,000	$145.62	$8.74M
Dec 18, 2025	Robert S Wetherbee Chair	Sold	60,020	$109.57	$6.58M
Nov 25, 2025	Timothy J Harris VP	Sold	10,542	$97.88	$1.03M
Nov 21, 2025	Tina Killough Busch VP & CHRO	Sold	2,598	$93.26	$242K
Nov 18, 2025	Robert S Wetherbee Chair	Sold	60,000	$98.34	$5.90M
Nov 18, 2025	Timothy J Harris VP	Sold	10,542	$97.77	$1.03M
Nov 11, 2025	Timothy J Harris VP	Sold	10,543	$97.69	$1.03M
Nov 4, 2025	Timothy J Harris VP	Sold	10,543	$96.07	$1.01M
Oct 15, 2025	Kimberly A Fields President & CEO & Director	Sold	21,153	$85.87	$1.82M
Oct 6, 2025	Kimberly A Fields President & CEO & Director	Sold	21,154	$82.03	$1.74M
Sep 22, 2025	Kimberly A Fields President & CEO & Director	Sold	20,312	$80.33	$1.63M
Sep 9, 2025	Kimberly A Fields President & CEO	Sold	15,941	$77.52	$1.24M
Aug 4, 2025	David J Morehouse Director	Sold	7,900	$75.81	$599K
Aug 5, 2025	Robert S Wetherbee Chair	Sold	50,000	$74.66	$3.73M
Jun 12, 2025	Robert S Wetherbee Chair	Sold	50,000	$83.93	$4.20M
Jun 3, 2025	Robert S Wetherbee Chair	Sold	50,000	$81.64	$4.08M
May 20, 2025	Robert S Wetherbee Chair	Sold	50,000	$75.38	$3.77M
May 6, 2025	Robert S Wetherbee Chair	Sold	50,000	$68.18	$3.41M
Apr 1, 2025	David J Morehouse Director	Sold	17,000	$52.03	$885K
Feb 6, 2025	Tina Killough Busch VP & CHRO	Sold	9,900	$66.41	$657K
Dec 4, 2024	Robert S Wetherbee Chair	Sold	25,000	$58.99	$1.47M
Dec 4, 2024	Tina Killough Busch VP & CHRO	Sold	2,598	$60.02	$156K
Nov 15, 2024	Robert S Wetherbee Chair	Sold	25,000	$56.35	$1.41M