ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q4 2025
Shares 10,468 Value ($000) $1,201 Avg Close $97.45 Range $79.29 - $117.48
Q3 2025
Shares 15,000 Value ($000) $1,220 Avg Close $81.04 Range $70.42 - $96.20
Q1 2023
Shares 95,245 Value ($000) $3,758 Avg Close $37.76 Range $29.37 - $43.32
Q4 2022
Shares 107,154 Value ($000) $3,200 Avg Close $29.27 Range $25.39 - $31.74
Q3 2022
Shares 89,275 Value ($000) $2,376 Avg Close $27.84 Range $20.52 - $33.31
Q2 2022
Shares 60,000 Value ($000) $1,363 Avg Close $26.35 Range $20.87 - $30.74
Q2 2019
Shares 150,000 Value ($000) $3,780 Avg Close $24.37 Range $21.15 - $27.49
Q4 2018
Shares 46,070 Value ($000) $1,003 Avg Close $25.93 Range $20.84 - $29.84
Q2 2018
Shares 250,000 Value ($000) $6,280 Avg Close $27.05 Range $22.93 - $29.87
Q1 2018
Shares 1,040,528 Value ($000) $24,640 Avg Close $26.83 Range $22.70 - $30.25
Q4 2017
Shares 1,674,200 Value ($000) $40,415 Avg Close $23.80 Range $21.01 - $26.59
Q3 2017
Shares 774,200 Value ($000) $18,503 Avg Close $19.78 Range $16.51 - $24.00
Q4 2016
Shares 250,000 Value ($000) $3,983 Avg Close $16.62 Range $13.15 - $19.20
Q2 2016
Shares 450,000 Value ($000) $5,738 Avg Close $14.18 Range $10.81 - $17.83
Q2 2015
Shares 164,800 Value ($000) $4,977 Avg Close $31.90 Range $27.97 - $36.35
Q1 2015
Shares 214,800 Value ($000) $6,446 Avg Close $29.80 Range $25.96 - $33.60
Q4 2014
Shares 47,100 Value ($000) $1,638 Avg Close $31.49 Range $28.73 - $35.21
Q3 2014
Shares 114,200 Value ($000) $4,237 Avg Close $39.92 Range $34.97 - $43.90
Q2 2014
Shares 154,600 Value ($000) $6,972 Avg Close $38.68 Range $35.44 - $42.89