ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2025
Shares 1,227,453 Value ($000) $140,862 Avg Close $97.45 Range $79.29 - $117.48
Q3 2025
Shares 1,554,561 Value ($000) $126,448 Avg Close $81.04 Range $70.42 - $96.20
Q2 2025
Shares 2,225,724 Value ($000) $192,169 Avg Close $68.45 Range $39.23 - $87.75
Q1 2025
Shares 2,602,258 Value ($000) $135,395 Avg Close $56.77 Range $49.07 - $66.80
Q4 2024
Shares 3,058,551 Value ($000) $168,343 Avg Close $58.97 Range $52.45 - $67.09
Q3 2024
Shares 3,121,211 Value ($000) $208,840 Avg Close $62.09 Range $53.90 - $68.92
Q2 2024
Shares 3,132,239 Value ($000) $173,683 Avg Close $56.03 Range $47.90 - $62.44
Q1 2024
Shares 3,339,331 Value ($000) $170,874 Avg Close $45.22 Range $38.04 - $51.95
Q4 2023
Shares 3,645,644 Value ($000) $165,767 Avg Close $41.52 Range $35.03 - $46.57
Q3 2023
Shares 3,051,000 Value ($000) $125,549 Avg Close $44.44 Range $41.04 - $47.92
Q2 2023
Shares 3,493,594 Value ($000) $154,522 Avg Close $38.25 Range $34.10 - $44.39
Q1 2023
Shares 3,595,166 Value ($000) $141,865 Avg Close $37.76 Range $29.37 - $43.32
Q4 2022
Shares 3,548,206 Value ($000) $105,949 Avg Close $29.27 Range $25.39 - $31.74
Q3 2022
Shares 1,482,962 Value ($000) $39,462 Avg Close $27.84 Range $20.52 - $33.31
Q2 2022
Shares 1,064,495 Value ($000) $24,175 Avg Close $26.35 Range $20.87 - $30.74
Q1 2022
Shares 1,833,679 Value ($000) $49,216 Avg Close $23.18 Range $16.02 - $28.45
Q4 2021
Shares 1,855,576 Value ($000) $29,559 Avg Close $16.05 Range $13.85 - $18.33
Q3 2021
Shares 1,409,122 Value ($000) $23,434 Avg Close $18.91 Range $15.75 - $22.33
Q2 2021
Shares 2,000,237 Value ($000) $41,705 Avg Close $22.93 Range $20.15 - $25.04
Q1 2021
Shares 986,907 Value ($000) $20,784 Avg Close $19.55 Range $15.97 - $22.87
Q4 2020
Shares 375,038 Value ($000) $6,289 Avg Close $12.70 Range $8.24 - $17.60
Q3 2020
Shares 425,270 Value ($000) $3,708 Avg Close $9.20 Range $8.04 - $11.06
Q2 2020
Shares 460,841 Value ($000) $4,696 Avg Close $8.67 Range $6.21 - $12.60
Q1 2020
Shares 2,999,479 Value ($000) $25,496 Avg Close $15.97 Range $4.95 - $20.91
Q4 2019
Shares 5,452,980 Value ($000) $112,659 Avg Close $21.68 Range $18.98 - $24.17
Q3 2019
Shares 5,069,097 Value ($000) $102,649 Avg Close $21.15 Range $17.03 - $25.66
Q2 2019
Shares 7,135,552 Value ($000) $179,816 Avg Close $24.37 Range $21.15 - $27.49
Q1 2019
Shares 8,998,522 Value ($000) $230,092 Avg Close $26.33 Range $21.00 - $29.50
Q4 2018
Shares 8,954,758 Value ($000) $194,945 Avg Close $25.93 Range $20.84 - $29.84
Q3 2018
Shares 9,562,933 Value ($000) $282,585 Avg Close $26.89 Range $24.31 - $30.18
Q2 2018
Shares 7,990,410 Value ($000) $200,719 Avg Close $27.05 Range $22.93 - $29.87
Q1 2018
Shares 7,743,803 Value ($000) $183,373 Avg Close $26.83 Range $22.70 - $30.25
Q4 2017
Shares 7,848,107 Value ($000) $189,453 Avg Close $23.80 Range $21.01 - $26.59
Q3 2017
Shares 5,782,970 Value ($000) $138,213 Avg Close $19.78 Range $16.51 - $24.00
Q2 2017
Shares 5,405,055 Value ($000) $91,940 Avg Close $16.82 Range $14.54 - $20.11
Q1 2017
Shares 4,599,199 Value ($000) $82,602 Avg Close $18.80 Range $15.61 - $23.69
Q4 2016
Shares 4,401,175 Value ($000) $70,111 Avg Close $16.62 Range $13.15 - $19.20
Q3 2016
Shares 3,548,336 Value ($000) $64,118 Avg Close $16.54 Range $12.22 - $18.59
Q2 2016
Shares 2,781,717 Value ($000) $35,467 Avg Close $14.18 Range $10.81 - $17.83
Q1 2016
Shares 2,870,371 Value ($000) $46,787 Avg Close $12.00 Range $6.97 - $18.17
Q4 2015
Shares 2,793,213 Value ($000) $31,424 Avg Close $13.45 Range $9.91 - $18.65
Q3 2015
Shares 1,931,520 Value ($000) $27,389 Avg Close $20.12 Range $13.34 - $30.02
Q2 2015
Shares 742,550 Value ($000) $22,425 Avg Close $31.90 Range $27.97 - $36.35
Q1 2015
Shares 740,404 Value ($000) $22,220 Avg Close $29.80 Range $25.96 - $33.60
Q4 2014
Shares 613,708 Value ($000) $21,339 Avg Close $31.49 Range $28.73 - $35.21
Q3 2014
Shares 552,298 Value ($000) $20,490 Avg Close $39.92 Range $34.97 - $43.90
Q2 2014
Shares 569,480 Value ($000) $25,684 Avg Close $38.68 Range $35.44 - $42.89
Q1 2014
Shares 602,430 Value ($000) $22,700 Avg Close $31.60 Range $27.91 - $36.14
Q4 2013
Shares 617,920 Value ($000) $22,016 Avg Close $30.74 Range $27.52 - $33.68
Q3 2013
Shares 627,250 Value ($000) $19,144 Avg Close $26.04 Range $23.74 - $30.56
Q2 2013
Shares 605,276 Value ($000) $15,925 Avg Close $26.04 Range $23.70 - $29.42