William Blair $ Company »

Allegheny Technologies Incorporated shares owned by William Blair $ Company

Quarter-by-quarter ownership of Allegheny Technologies Incorporated (ATI) shares owned by William Blair $ Company from 13F filings

Historical chart of William Blair $ Company investment in Allegheny Technologies Incorporated

Tip: Access up to 7 years of quarterly data

All positions including Allegheny Technologies Incorporated held by William Blair $ Company consolidated in one spreadsheet with up to 7 years of data

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Quarterly reported holdings in Allegheny Technologies Incorporated by William Blair $ Company

Quarter filed Position value Share count Share price at filing
2026-03-31 $35M 237k 145.46
2025-12-31 $5.1M 44k 114.76
2025-09-30 $300k 3.7k 81.34
2025-06-30 $310k 3.6k 86.34
2024-09-30 $240k 3.6k 66.91