# ATI Inc: overview

ATI · NYSE · CIK 1018963 · [Materials](/sectors/materials.md) · fiscal year ends Dec 28

Pages: [Overview](/companies/ati.md) · [Financials](/companies/ati/financials.md) · [Filings](/companies/ati/filings.md) · [Insiders](/companies/ati/insiders.md)

Latest reported revenue: [$1.42bn](/filings/0001628280-26-068145.md) for Q3 FY2026, three months to 2026-09-27, from the 10-Q filed Oct 29, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001628280-26-068145).

## Last eight quarters

| Line item | Unit | Q4 FY2024 (2024-12-29) | Q1 FY2025 (2025-03-30) | Q2 FY2025 (2025-06-29) | Q3 FY2025 (2025-09-28) | Q4 FY2025 (2025-12-28) | Q1 FY2026 (2026-03-29) | Q2 FY2026 (2026-06-28) | Q3 FY2026 (2026-09-27) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [1,173 d](/filings/0001628280-26-010140.md) | [1,144](/filings/0001628280-26-028684.md) | [1,140](/filings/0001628280-26-054233.md) | [1,126](/filings/0001628280-26-068145.md) | [1,177 d](/filings/0001628280-26-010140.md) | [1,152](/filings/0001628280-26-028684.md) | [1,261](/filings/0001628280-26-054233.md) | [1,424](/filings/0001628280-26-068145.md) |
| Gross margin | % | [21.2% d](/filings/0001628280-26-010140.md) | [20.6%](/filings/0001628280-26-028684.md) | [21.3%](/filings/0001628280-26-054233.md) | [22.7%](/filings/0001628280-26-068145.md) | [23.2% d](/filings/0001628280-26-010140.md) | [22.8%](/filings/0001628280-26-028684.md) | [24.6%](/filings/0001628280-26-054233.md) | [26.7%](/filings/0001628280-26-068145.md) |
| Operating margin | % | [17.8% d](/filings/0001628280-26-010140.md) | [12.8%](/filings/0001628280-26-028684.md) | [14.1%](/filings/0001628280-26-054233.md) | [14.4%](/filings/0001628280-26-068145.md) | [14.5% d](/filings/0001628280-26-010140.md) | [14.2%](/filings/0001628280-26-028684.md) | [17.4%](/filings/0001628280-26-054233.md) | [19.1%](/filings/0001628280-26-068145.md) |
| Net margin | % | [11.7% d](/filings/0001628280-26-010140.md) | [8.5%](/filings/0001628280-26-028684.md) | [8.8%](/filings/0001628280-26-054233.md) | [9.8%](/filings/0001628280-26-068145.md) | [8.2% d](/filings/0001628280-26-010140.md) | [10.3%](/filings/0001628280-26-028684.md) | [12.0%](/filings/0001628280-26-054233.md) | [13.3%](/filings/0001628280-26-068145.md) |
| Diluted EPS | $ per share | not reported | [0.67](/filings/0001628280-26-028684.md) | [0.70](/filings/0001628280-26-054233.md) | [0.78](/filings/0001628280-26-068145.md) | not reported | [0.85](/filings/0001628280-26-028684.md) | [1.09](/filings/0001628280-26-054233.md) | [1.37](/filings/0001628280-26-068145.md) |
| Free cash flow | $m | [334 d](/filings/0001628280-26-010140.md) | [(146)](/filings/0001628280-26-028684.md) | [89.4 d](/filings/0001628280-26-054233.md) | [167 d](/filings/0001628280-26-068145.md) | [223 d](/filings/0001628280-26-010140.md) | [73.0](/filings/0001628280-26-028684.md) | [63.2 d](/filings/0001628280-26-054233.md) | [61.8 d](/filings/0001628280-26-068145.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquireProductiveAssets. Derived values: 12-month figure less the 9-month figure; 6-month figure less the 3-month figure; 9-month figure less the 6-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-29) | FY2025 (2025-12-28) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [2,800](/filings/0001628280-23-005017.md) | [3,836](/filings/0001628280-23-005017.md) | [4,174](/filings/0001628280-26-010140.md) | [4,362](/filings/0001628280-26-010140.md) | [4,587](/filings/0001628280-26-010140.md) |
| Gross margin | % | [11.9%](/filings/0001628280-23-005017.md) | [18.6%](/filings/0001628280-23-005017.md) | [19.2%](/filings/0001628280-26-010140.md) | [20.6%](/filings/0001628280-26-010140.md) | [22.0%](/filings/0001628280-26-010140.md) |
| Operating margin | % | [4.2%](/filings/0001628280-23-005017.md) | [7.5%](/filings/0001628280-23-005017.md) | [11.2%](/filings/0001628280-26-010140.md) | [14.0%](/filings/0001628280-26-010140.md) | [14.0%](/filings/0001628280-26-010140.md) |
| Net margin | % | [(1.4%)](/filings/0001628280-23-005017.md) | [3.4%](/filings/0001628280-23-005017.md) | [9.8%](/filings/0001628280-26-010140.md) | [8.4%](/filings/0001628280-26-010140.md) | [8.8%](/filings/0001628280-26-010140.md) |
| Diluted EPS | $ per share | [(0.30)](/filings/0001628280-23-005017.md) | [0.96](/filings/0001628280-23-005017.md) | [2.81](/filings/0001628280-26-010140.md) | [2.55](/filings/0001628280-26-010140.md) | [2.85](/filings/0001628280-26-010140.md) |
| Free cash flow | $m | [(137)](/filings/0001628280-23-005017.md) | [94.0](/filings/0001628280-23-005017.md) | [(115)](/filings/0001628280-26-010140.md) | [168](/filings/0001628280-26-010140.md) | [334](/filings/0001628280-26-010140.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquireProductiveAssets.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/ati/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $3.69bn | 18,708,922 |  | Added +2,267,269 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $1.23bn | 6,219,875 |  | Added +398,367 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $1.21bn | 6,162,418 |  | Added +38,290 |
| [Capital World Investors](/funds/1422849.md) | 2026-06-30 | $1.03bn | 5,249,249 |  | Reduced −463,680 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $1.03bn | 5,237,299 |  | Reduced −143,714 |
| [Capital Research Global Investors](/funds/1422848.md) | 2026-06-30 | $1.00bn | 5,093,768 |  | Reduced −1,066,339 |
| [FMR LLC](/funds/315066.md) | 2026-06-30 | $983.4m | 4,989,171 |  | Reduced −258,004 |
| [Capital International Investors](/funds/1562230.md) | 2026-06-30 | $733.2m | 3,719,485 |  | Reduced −2,164,464 |
| [Invesco Ltd.](/funds/914208.md) | 2026-06-30 | $679.9m | 3,449,291 |  | Reduced −406,352 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $547.6m | 2,777,512 |  | Reduced −169,813 |

## Recent filings

[All 1,460 filings](/companies/ati/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-29 | 14:16 ET | [10-Q](/filings/0001628280-26-068145.md) | Quarterly report, period 2026-09-27 | 0001628280-26-068145 |
| 2026-10-29 | 07:34 ET | [8-K](/filings/0001018963-26-000004.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001018963-26-000004 |
| 2026-08-06 | 15:36 ET | [10-Q](/filings/0001628280-26-054233.md) | Quarterly report, period 2026-06-28 | 0001628280-26-054233 |
| 2026-08-06 | 07:40 ET | [8-K](/filings/0001628280-26-053856.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-053856 |
| 2026-06-08 | 16:15 ET | [8-K](/filings/0001193125-26-261769.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-261769 |
| 2026-06-03 | 17:12 ET | [8-K](/filings/0001193125-26-255755.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-255755 |
| 2026-06-03 | 08:47 ET | [8-K](/filings/0001193125-26-254681.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-254681 |
| 2026-05-19 | 16:05 ET | [8-K](/filings/0001193125-26-230739.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-230739 |
| 2026-04-30 | 11:52 ET | [10-Q](/filings/0001628280-26-028684.md) | Quarterly report, period 2026-03-29 | 0001628280-26-028684 |
| 2026-04-30 | 07:33 ET | [8-K](/filings/0001628280-26-028589.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-028589 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 28, 2025](/filings/0001628280-26-010140.md), filed Feb 20, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-28, has been scored from the reported figures. [See the target](/leagues/2026q3/targets/d1e5405b-b6b6-4fb0-a9a0-d0376672cbe3)

## About the filer

- CIK: 1018963
- Tickers: ATI
- Exchange: NYSE
- SIC code: 3317 Steel Pipe & Tubes
- State of incorporation: DE
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 29, 2026, 14:24 ET. No prices; not investment advice.