ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

Capital World Investors's Holding History (CIK: 0001422849)

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

Q4 2025
Shares 7,355,793 Value ($000) $844,151 Avg Close $97.45 Range $79.29 - $117.48
Q3 2025
Shares 7,900,572 Value ($000) $642,633 Avg Close $81.04 Range $70.42 - $96.20
Q2 2025
Shares 6,820,371 Value ($000) $588,871 Avg Close $68.45 Range $39.23 - $87.75
Q1 2025
Shares 6,982,174 Value ($000) $363,283 Avg Close $56.77 Range $49.07 - $66.80
Q4 2024
Shares 6,875,576 Value ($000) $378,432 Avg Close $58.97 Range $52.45 - $67.09
Q3 2024
Shares 3,428,657 Value ($000) $229,411 Avg Close $62.09 Range $53.90 - $68.92
Q2 2024
Shares 2,868,878 Value ($000) $159,079 Avg Close $56.03 Range $47.90 - $62.44
Q1 2024
Shares 2,840,962 Value ($000) $145,372 Avg Close $45.22 Range $38.04 - $51.95
Q4 2023
Shares 1,974,652 Value ($000) $89,787 Avg Close $41.52 Range $35.03 - $46.57
Q3 2023
Shares 1,966,936 Value ($000) $80,939 Avg Close $44.44 Range $41.04 - $47.92
Q2 2023
Shares 970,000 Value ($000) $42,903 Avg Close $38.25 Range $34.10 - $44.39
Q1 2023
Shares 970,000 Value ($000) $38,276 Avg Close $37.76 Range $29.37 - $43.32
Q4 2022
Shares 1,350,000 Value ($000) $40,311 Avg Close $29.27 Range $25.39 - $31.74
Q3 2022
Shares 1,350,000 Value ($000) $35,924 Avg Close $27.84 Range $20.52 - $33.31
Q2 2022
Shares 1,750,000 Value ($000) $39,743 Avg Close $26.35 Range $20.87 - $30.74
Q1 2022
Shares 2,589,437 Value ($000) $69,500 Avg Close $23.18 Range $16.02 - $28.45
Q4 2021
Shares 2,589,437 Value ($000) $41,250 Avg Close $16.05 Range $13.85 - $18.33
Q3 2021
Shares 2,589,437 Value ($000) $43,062 Avg Close $18.91 Range $15.75 - $22.33
Q2 2021
Shares 2,589,437 Value ($000) $53,990 Avg Close $22.93 Range $20.15 - $25.04
Q1 2021
Shares 2,589,437 Value ($000) $54,534 Avg Close $19.55 Range $15.97 - $22.87
Q4 2020
Shares 2,589,437 Value ($000) $43,425 Avg Close $12.70 Range $8.24 - $17.60
Q3 2020
Shares 2,738,427 Value ($000) $23,879 Avg Close $9.20 Range $8.04 - $11.06
Q2 2020
Shares 3,563,427 Value ($000) $36,311 Avg Close $8.67 Range $6.21 - $12.60
Q1 2020
Shares 5,470,713 Value ($000) $46,501 Avg Close $15.97 Range $4.95 - $20.91
Q4 2019
Shares 7,433,406 Value ($000) $153,574 Avg Close $21.68 Range $18.98 - $24.17
Q3 2019
Shares 6,729,914 Value ($000) $136,281 Avg Close $21.15 Range $17.03 - $25.66
Q2 2019
Shares 5,580,634 Value ($000) $140,632 Avg Close $24.37 Range $21.15 - $27.49
Q1 2019
Shares 5,233,000 Value ($000) $133,808 Avg Close $26.33 Range $21.00 - $29.50
Q4 2018
Shares 4,502,000 Value ($000) $98,009 Avg Close $25.93 Range $20.84 - $29.84
Q3 2018
Shares 3,881,000 Value ($000) $114,684 Avg Close $26.89 Range $24.31 - $30.18
Q2 2018
Shares 3,326,500 Value ($000) $83,562 Avg Close $27.05 Range $22.93 - $29.87