ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

TWO SIGMA ADVISERS, LP's Holding History (CIK: 0001478735)

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

Q4 2025

Shares 2,900 Value ($000) $333 Avg Close $97.45 Range $79.29 - $117.48

Q3 2024

Shares 410,598 Value ($000) $27,473 Avg Close $62.09 Range $53.90 - $68.92

Q2 2024

Shares 368,098 Value ($000) $20,411 Avg Close $56.03 Range $47.90 - $62.44

Q1 2024

Shares 267,098 Value ($000) $13,667 Avg Close $45.22 Range $38.04 - $51.95

Q4 2023

Shares 133,198 Value ($000) $6,057 Avg Close $41.52 Range $35.03 - $46.57

Q1 2023

Shares 107,100 Value ($000) $4,226 Avg Close $37.76 Range $29.37 - $43.32

Q4 2022

Shares 22,600 Value ($000) $675 Avg Close $29.27 Range $25.39 - $31.74

Q3 2022

Shares 11,600 Value ($000) $309 Avg Close $27.84 Range $20.52 - $33.31

Q2 2022

Shares 47,100 Value ($000) $1,070 Avg Close $26.35 Range $20.87 - $30.74

Q1 2022

Shares 222,000 Value ($000) $5,958 Avg Close $23.18 Range $16.02 - $28.45

Q4 2021

Shares 199,300 Value ($000) $3,175 Avg Close $16.05 Range $13.85 - $18.33

Q3 2021

Shares 674,200 Value ($000) $11,212 Avg Close $18.91 Range $15.75 - $22.33

Q2 2021

Shares 1,221,700 Value ($000) $25,472 Avg Close $22.93 Range $20.15 - $25.04

Q1 2021

Shares 1,639,200 Value ($000) $34,522 Avg Close $19.55 Range $15.97 - $22.87

Q4 2020

Shares 1,623,900 Value ($000) $27,233 Avg Close $12.70 Range $8.24 - $17.60

Q3 2020

Shares 1,544,100 Value ($000) $13,465 Avg Close $9.20 Range $8.04 - $11.06

Q2 2020

Shares 881,700 Value ($000) $8,985 Avg Close $8.67 Range $6.21 - $12.60

Q1 2020

Shares 826,500 Value ($000) $7,025 Avg Close $15.97 Range $4.95 - $20.91

Q4 2019

Shares 187,300 Value ($000) $3,870 Avg Close $21.68 Range $18.98 - $24.17

Q3 2019

Shares 90,100 Value ($000) $1,825 Avg Close $21.15 Range $17.03 - $25.66

Q2 2019

Shares 184,900 Value ($000) $4,659 Avg Close $24.37 Range $21.15 - $27.49

Q1 2019

Shares 120,500 Value ($000) $3,081 Avg Close $26.33 Range $21.00 - $29.50

Q2 2017

Shares 12,969 Value ($000) $221 Avg Close $16.82 Range $14.54 - $20.11

Q1 2017

Shares 11,669 Value ($000) $210 Avg Close $18.80 Range $15.61 - $23.69

Q2 2016

Shares 11,997 Value ($000) $153 Avg Close $14.18 Range $10.81 - $17.83

Q4 2015

Shares 53,297 Value ($000) $600 Avg Close $13.45 Range $9.91 - $18.65

Q4 2014

Shares 9,697 Value ($000) $337 Avg Close $31.49 Range $28.73 - $35.21

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,900	$333	$97.45	$79.29 - $117.48
Q3 2024	410,598	$27,473	$62.09	$53.90 - $68.92
Q2 2024	368,098	$20,411	$56.03	$47.90 - $62.44
Q1 2024	267,098	$13,667	$45.22	$38.04 - $51.95
Q4 2023	133,198	$6,057	$41.52	$35.03 - $46.57
Q1 2023	107,100	$4,226	$37.76	$29.37 - $43.32
Q4 2022	22,600	$675	$29.27	$25.39 - $31.74
Q3 2022	11,600	$309	$27.84	$20.52 - $33.31
Q2 2022	47,100	$1,070	$26.35	$20.87 - $30.74
Q1 2022	222,000	$5,958	$23.18	$16.02 - $28.45
Q4 2021	199,300	$3,175	$16.05	$13.85 - $18.33
Q3 2021	674,200	$11,212	$18.91	$15.75 - $22.33
Q2 2021	1,221,700	$25,472	$22.93	$20.15 - $25.04
Q1 2021	1,639,200	$34,522	$19.55	$15.97 - $22.87
Q4 2020	1,623,900	$27,233	$12.70	$8.24 - $17.60
Q3 2020	1,544,100	$13,465	$9.20	$8.04 - $11.06
Q2 2020	881,700	$8,985	$8.67	$6.21 - $12.60
Q1 2020	826,500	$7,025	$15.97	$4.95 - $20.91
Q4 2019	187,300	$3,870	$21.68	$18.98 - $24.17
Q3 2019	90,100	$1,825	$21.15	$17.03 - $25.66
Q2 2019	184,900	$4,659	$24.37	$21.15 - $27.49
Q1 2019	120,500	$3,081	$26.33	$21.00 - $29.50
Q2 2017	12,969	$221	$16.82	$14.54 - $20.11
Q1 2017	11,669	$210	$18.80	$15.61 - $23.69
Q2 2016	11,997	$153	$14.18	$10.81 - $17.83
Q4 2015	53,297	$600	$13.45	$9.91 - $18.65
Q4 2014	9,697	$337	$31.49	$28.73 - $35.21