ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025
Shares 2,125,976 Value ($000) $243,989 Avg Close $97.45 Range $79.29 - $117.48
Q3 2025
Shares 2,142,000 Value ($000) $174,210 Avg Close $81.04 Range $70.42 - $96.20
Q2 2025
Shares 1,999,304 Value ($000) $172,630 Avg Close $68.45 Range $39.23 - $87.75
Q1 2025
Shares 2,617,314 Value ($000) $136,164 Avg Close $56.77 Range $49.07 - $66.80
Q4 2024
Shares 2,557,503 Value ($000) $140,765 Avg Close $58.97 Range $52.45 - $67.09
Q3 2024
Shares 2,475,314 Value ($000) $165,619 Avg Close $62.09 Range $53.90 - $68.92
Q2 2024
Shares 2,506,609 Value ($000) $139,003 Avg Close $56.03 Range $47.90 - $62.44
Q1 2024
Shares 2,403,918 Value ($000) $123,008 Avg Close $45.22 Range $38.04 - $51.95
Q4 2023
Shares 2,317,722 Value ($000) $105,394 Avg Close $41.52 Range $35.03 - $46.57
Q3 2023
Shares 2,178,028 Value ($000) $89,634 Avg Close $44.44 Range $41.04 - $47.92
Q2 2023
Shares 2,464,983 Value ($000) $109,022 Avg Close $38.25 Range $34.10 - $44.39
Q1 2023
Shares 2,442,275 Value ($000) $96,370 Avg Close $37.76 Range $29.37 - $43.32
Q4 2022
Shares 2,512,441 Value ($000) $75 Avg Close $29.27 Range $25.39 - $31.74
Q3 2022
Shares 2,778,239 Value ($000) $73,936 Avg Close $27.84 Range $20.52 - $33.31
Q2 2022
Shares 2,917,486 Value ($000) $66,253 Avg Close $26.35 Range $20.87 - $30.74
Q1 2022
Shares 2,975,489 Value ($000) $79,867 Avg Close $23.18 Range $16.02 - $28.45
Q4 2021
Shares 3,643,301 Value ($000) $58,036 Avg Close $16.05 Range $13.85 - $18.33
Q3 2021
Shares 4,845,539 Value ($000) $80,584 Avg Close $18.91 Range $15.75 - $22.33
Q2 2021
Shares 6,454,128 Value ($000) $134,565 Avg Close $22.93 Range $20.15 - $25.04
Q1 2021
Shares 7,080,260 Value ($000) $149,112 Avg Close $19.55 Range $15.97 - $22.87
Q4 2020
Shares 6,562,319 Value ($000) $110,051 Avg Close $12.70 Range $8.24 - $17.60
Q3 2020
Shares 6,621,351 Value ($000) $57,738 Avg Close $9.20 Range $8.04 - $11.06
Q2 2020
Shares 7,088,276 Value ($000) $72,230 Avg Close $8.67 Range $6.21 - $12.60
Q1 2020
Shares 7,088,648 Value ($000) $60,255 Avg Close $15.97 Range $4.95 - $20.91
Q4 2019
Shares 6,621,658 Value ($000) $136,803 Avg Close $21.68 Range $18.98 - $24.17
Q3 2019
Shares 6,526,875 Value ($000) $132,172 Avg Close $21.15 Range $17.03 - $25.66
Q2 2019
Shares 6,055,182 Value ($000) $152,589 Avg Close $24.37 Range $21.15 - $27.49
Q1 2019
Shares 5,608,766 Value ($000) $143,415 Avg Close $26.33 Range $21.00 - $29.50
Q4 2018
Shares 4,424,729 Value ($000) $96,329 Avg Close $25.93 Range $20.84 - $29.84
Q3 2018
Shares 3,833,023 Value ($000) $113,267 Avg Close $26.89 Range $24.31 - $30.18
Q2 2018
Shares 3,453,657 Value ($000) $86,756 Avg Close $27.05 Range $22.93 - $29.87
Q1 2018
Shares 2,614,723 Value ($000) $61,917 Avg Close $26.83 Range $22.70 - $30.25
Q4 2017
Shares 1,935,533 Value ($000) $46,727 Avg Close $23.80 Range $21.01 - $26.59
Q3 2017
Shares 1,427,608 Value ($000) $34,119 Avg Close $19.78 Range $16.51 - $24.00
Q2 2017
Shares 1,459,142 Value ($000) $24,821 Avg Close $16.82 Range $14.54 - $20.11
Q1 2017
Shares 1,463,940 Value ($000) $26,292 Avg Close $18.80 Range $15.61 - $23.69
Q4 2016
Shares 1,187,268 Value ($000) $18,914 Avg Close $16.62 Range $13.15 - $19.20
Q3 2016
Shares 1,183,540 Value ($000) $21,385 Avg Close $16.54 Range $12.22 - $18.59
Q2 2016
Shares 1,202,353 Value ($000) $15,324 Avg Close $14.18 Range $10.81 - $17.83
Q1 2016
Shares 1,406,409 Value ($000) $22,929 Avg Close $12.00 Range $6.97 - $18.17
Q4 2015
Shares 1,457,217 Value ($000) $16,395 Avg Close $13.45 Range $9.91 - $18.65
Q3 2015
Shares 1,328,769 Value ($000) $18,843 Avg Close $20.12 Range $13.34 - $30.02
Q2 2015
Shares 1,149,293 Value ($000) $34,719 Avg Close $31.90 Range $27.97 - $36.35
Q1 2015
Shares 868,298 Value ($000) $26,062 Avg Close $29.80 Range $25.96 - $33.60
Q4 2014
Shares 864,107 Value ($000) $30,048 Avg Close $31.49 Range $28.73 - $35.21
Q3 2014
Shares 1,095,453 Value ($000) $40,654 Avg Close $39.92 Range $34.97 - $43.90
Q2 2014
Shares 1,109,834 Value ($000) $50,047 Avg Close $38.68 Range $35.44 - $42.89
Q1 2014
Shares 1,116,199 Value ($000) $42,057 Avg Close $31.60 Range $27.91 - $36.14
Q4 2013
Shares 1,133,940 Value ($000) $40,401 Avg Close $30.74 Range $27.52 - $33.68
Q3 2013
Shares 989,940 Value ($000) $30,208 Avg Close $26.04 Range $23.74 - $30.56
Q2 2013
Shares 976,427 Value ($000) $25,695 Avg Close $26.04 Range $23.70 - $29.42