ATI (ATI)

As of 30 September 2026, short interest in ATI is 4,739,175 shares, up 1,038,556 shares over the last month. Over the last 48 readings it ranged from 1,923,515 shares (15 October 2024) to 4,739,175 shares (30 September 2026). The latest reading sits at the top of that range. At the reported average volume of 1.7M shares a day that is 2.8 days to cover.

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As of 9 October 2026, the short share of ATI volume is 55.1%, up 13.8 points over the last five sessions. Over the last 30 readings it ranged from 25.3% (23 September 2026) to 67.8% (4 September 2026). The latest reading is 5.3 points above the 30-session average of 49.8%, on 361K shares reported.

As of 2 September 2026, the fails-to-deliver balance in ATI is 4 shares, down 1,496 shares over the last settlement date. Over the last 30 readings it ranged from 3 shares (12 June 2026) to 6,070,401 shares (29 June 2026). The latest reading sits at the bottom of that range.

Insiders at ATI reported 12 open-market sells worth $27.5M in the last 90 days and no open-market buys. Latest filing: Harris Timothy J (Senior VP and CDIO) on 2026-09-21.

Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.

29 Form 144 notices on file for ATI worth $114.0M at the prices reported; 9 in the last 90 days worth $39.8M. Latest: Harris Timothy J filed on 2026-09-21 to sell 9,000 shares ($1.7M) from 2026-09-21.

2 holders report 5% or more of ATI in their latest filing, all on Schedule 13G (passive). The largest reported stake is BlackRock, Inc. at 10.1% of the class (13,891,604 shares), filed 2025-10-03 for an event on 2025-09-30.

11 of the 30 tracked managers held ATI at their latest 13F, $1.52B in total at quarter-end prices. AQR Capital Management is the largest at $282.4M (0.1% of its portfolio) as of 2026-06-30. Over the prior quarter 6 added shares and 5 cut.

Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.

In Q2 FY 2026 (quarter ended 2026-06-28) ATI reported revenue of $1.26B, up 10.6% from the same quarter a year earlier, and net income of $151.0M (1.09 diluted EPS). In FY 2025 it generated $614.3M of operating cash flow and spent $470.0M on buybacks. As of 2026-06-28, cash was $783.0M against $383.6M of debt.

Quarterly, last 8 quarters

Fiscal years, with buybacks and dividends

Quarters are the three-month figures the company reports; a fourth quarter marked derived is the fiscal year less the three reported quarters, since companies report it only inside the 10-K. Fiscal years are the annual figures. Buybacks are the cash the company paid to repurchase its common stock in the year, not the amount authorized. Balance sheet lines are as of 2026-06-28; shares outstanding as of 2026-08-03 from the cover page.