ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 363,271 Value ($000) $41,689 Avg Close $97.45 Range $79.29 - $117.48
Q1 2020
Shares 178,446 Value ($000) $1,517 Avg Close $15.97 Range $4.95 - $20.91