ATI
At a glance
ATI reported 2025 revenue of $4.59B, up 5.2% from $4.36B in 2024. Over 4 years since 2021 ($2.8B), that is growth of about 13.1% a year. Operating margin was 14%, up from 4.2% in 2021. 2025 was the highest revenue year in this period.
In the last 12 months 5 insiders reported 0 open-market purchases and 21 sales ($82.6M). 18 of the sales were made under pre-arranged 10b5-1 plans. The largest was a sale of $10.7M by Chair, President and CEO Kimberly A Fields on Jun 4, 2026.
ATI filed 11 current reports (Form 8-K) in the last 12 months, most often for results of operations (4), other events (3), officer or director change (2) and material agreement (1). The latest officer or director change was reported on Dec 8, 2025. It reported a material agreement or a completed acquisition or disposal 1 time.
4 of the 20 investors tracked here held ATI at the last quarter end, worth $264.6M combined. It is the largest weight for Viking Global Investors (0.6% of its portfolio), followed by Soros Fund Management (0.2%). Added: Soros Fund Management and Bridgewater Associates. Reduced: Viking Global Investors and ARK Investment Management.
Annual results
| Year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Net income | -$38.2M | $130.9M | $410.8M | $367.8M | $404.3M |
| Diluted EPS | $-0.30 | $0.96 | $2.81 | $2.55 | $2.85 |
Fiscal year ends Dec 28 · incorporated in DE
Tracked investors holding (13F)
Weight is the share of each investor's portfolio, as of the quarter end.
Current reports (8-K, last 12 months)
Insider open-market trades (last 12 months)
Source: SEC EDGAR. How figures are combined