ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q4 2025

Shares 139,544 Value ($000) $16,014 Avg Close $97.45 Range $79.29 - $117.48

Q3 2025

Shares 52,541 Value ($000) $3,516 Avg Close $81.04 Range $70.42 - $96.20

Q2 2025

Shares 136,984 Value ($000) $11,827 Avg Close $68.45 Range $39.23 - $87.75

Q1 2025

Shares 176,528 Value ($000) $9,185 Avg Close $56.77 Range $49.07 - $66.80

Q4 2024

Shares 58,959 Value ($000) $3,245 Avg Close $58.97 Range $52.45 - $67.09

Q3 2024

Shares 52,541 Value ($000) $4 Avg Close $62.09 Range $53.90 - $68.92

Q2 2024

Shares 14,146 Value ($000) $784 Avg Close $56.03 Range $47.90 - $62.44

Q1 2024

Shares 129,460 Value ($000) $6,624 Avg Close $45.22 Range $38.04 - $51.95

Q4 2023

Shares 218,361 Value ($000) $9,929 Avg Close $41.52 Range $35.03 - $46.57

Q3 2023

Shares 101,048 Value ($000) $4,158 Avg Close $44.44 Range $41.04 - $47.92

Q2 2023

Shares 78,602 Value ($000) $3 Avg Close $38.25 Range $34.10 - $44.39

Q1 2023

Shares 65,341 Value ($000) $3 Avg Close $37.76 Range $29.37 - $43.32

Q4 2022

Shares 92,815 Value ($000) $3 Avg Close $29.27 Range $25.39 - $31.74

Q3 2022

Shares 70,147 Value ($000) $1,866 Avg Close $27.84 Range $20.52 - $33.31

Q2 2022

Shares 44,599 Value ($000) $1,013 Avg Close $26.35 Range $20.87 - $30.74

Q1 2022

Shares 142,140 Value ($000) $3,816 Avg Close $23.18 Range $16.02 - $28.45

Q4 2021

Shares 177,944 Value ($000) $2,835 Avg Close $16.05 Range $13.85 - $18.33

Q3 2021

Shares 103,866 Value ($000) $1,728 Avg Close $18.91 Range $15.75 - $22.33

Q2 2021

Shares 97,653 Value ($000) $2,036 Avg Close $22.93 Range $20.15 - $25.04

Q1 2021

Shares 164,609 Value ($000) $3,466 Avg Close $19.55 Range $15.97 - $22.87

Q4 2020

Shares 152,504 Value ($000) $2,558 Avg Close $12.70 Range $8.24 - $17.60

Q3 2020

Shares 156,601 Value ($000) $1,364 Avg Close $9.20 Range $8.04 - $11.06

Q2 2020

Shares 74,395 Value ($000) $758 Avg Close $8.67 Range $6.21 - $12.60

Q1 2020

Shares 83,524 Value ($000) $710 Avg Close $15.97 Range $4.95 - $20.91

Q4 2019

Shares 219,363 Value ($000) $4,532 Avg Close $21.68 Range $18.98 - $24.17

Q3 2019

Shares 164,388 Value ($000) $3,329 Avg Close $21.15 Range $17.03 - $25.66

Q2 2019

Shares 113,837 Value ($000) $2,868 Avg Close $24.37 Range $21.15 - $27.49

Q1 2019

Shares 94,054 Value ($000) $2,406 Avg Close $26.33 Range $21.00 - $29.50

Q4 2018

Shares 59,904 Value ($000) $1,303 Avg Close $25.93 Range $20.84 - $29.84

Q3 2018

Shares 155,207 Value ($000) $4,587 Avg Close $26.89 Range $24.31 - $30.18

Q2 2018

Shares 112,098 Value ($000) $2,817 Avg Close $27.05 Range $22.93 - $29.87

Q1 2018

Shares 107,084 Value ($000) $2,534 Avg Close $26.83 Range $22.70 - $30.25

Q4 2017

Shares 125,981 Value ($000) $3,041 Avg Close $23.80 Range $21.01 - $26.59

Q3 2017

Shares 71,127 Value ($000) $1,700 Avg Close $19.78 Range $16.51 - $24.00

Q2 2017

Shares 54,443 Value ($000) $925 Avg Close $16.82 Range $14.54 - $20.11

Q1 2017

Shares 33,579 Value ($000) $604 Avg Close $18.80 Range $15.61 - $23.69

Q4 2016

Shares 3,974 Value ($000) $63 Avg Close $16.62 Range $13.15 - $19.20

Q3 2016

Shares 3,615 Value ($000) $65 Avg Close $16.54 Range $12.22 - $18.59

Q2 2016

Shares 128,090 Value ($000) $1,634 Avg Close $14.18 Range $10.81 - $17.83

Q1 2016

Shares 14,530 Value ($000) $232 Avg Close $12.00 Range $6.97 - $18.17

Q4 2015

Shares 4,363 Value ($000) $48 Avg Close $13.45 Range $9.91 - $18.65

Q3 2015

Shares 5,861 Value ($000) $81 Avg Close $20.12 Range $13.34 - $30.02

Q2 2015

Shares 35,683 Value ($000) $1,071 Avg Close $31.90 Range $27.97 - $36.35

Q1 2015

Shares 66,089 Value ($000) $1,984 Avg Close $29.80 Range $25.96 - $33.60

Q4 2014

Shares 107,516 Value ($000) $3,655 Avg Close $31.49 Range $28.73 - $35.21

Q3 2014

Shares 84,772 Value ($000) $3,134 Avg Close $39.92 Range $34.97 - $43.90

Q2 2014

Shares 69,532 Value ($000) $3,131 Avg Close $38.68 Range $35.44 - $42.89

Q1 2014

Shares 86,418 Value ($000) $3,196 Avg Close $31.60 Range $27.91 - $36.14

Q4 2013

Shares 127,610 Value ($000) $4,468 Avg Close $30.74 Range $27.52 - $33.68

Q3 2013

Shares 129,780 Value ($000) $3,894 Avg Close $26.04 Range $23.74 - $30.56

Q2 2013

Shares 114,778 Value ($000) $3,021 Avg Close $26.04 Range $23.70 - $29.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	139,544	$16,014	$97.45	$79.29 - $117.48
Q3 2025	52,541	$3,516	$81.04	$70.42 - $96.20
Q2 2025	136,984	$11,827	$68.45	$39.23 - $87.75
Q1 2025	176,528	$9,185	$56.77	$49.07 - $66.80
Q4 2024	58,959	$3,245	$58.97	$52.45 - $67.09
Q3 2024	52,541	$4	$62.09	$53.90 - $68.92
Q2 2024	14,146	$784	$56.03	$47.90 - $62.44
Q1 2024	129,460	$6,624	$45.22	$38.04 - $51.95
Q4 2023	218,361	$9,929	$41.52	$35.03 - $46.57
Q3 2023	101,048	$4,158	$44.44	$41.04 - $47.92
Q2 2023	78,602	$3	$38.25	$34.10 - $44.39
Q1 2023	65,341	$3	$37.76	$29.37 - $43.32
Q4 2022	92,815	$3	$29.27	$25.39 - $31.74
Q3 2022	70,147	$1,866	$27.84	$20.52 - $33.31
Q2 2022	44,599	$1,013	$26.35	$20.87 - $30.74
Q1 2022	142,140	$3,816	$23.18	$16.02 - $28.45
Q4 2021	177,944	$2,835	$16.05	$13.85 - $18.33
Q3 2021	103,866	$1,728	$18.91	$15.75 - $22.33
Q2 2021	97,653	$2,036	$22.93	$20.15 - $25.04
Q1 2021	164,609	$3,466	$19.55	$15.97 - $22.87
Q4 2020	152,504	$2,558	$12.70	$8.24 - $17.60
Q3 2020	156,601	$1,364	$9.20	$8.04 - $11.06
Q2 2020	74,395	$758	$8.67	$6.21 - $12.60
Q1 2020	83,524	$710	$15.97	$4.95 - $20.91
Q4 2019	219,363	$4,532	$21.68	$18.98 - $24.17
Q3 2019	164,388	$3,329	$21.15	$17.03 - $25.66
Q2 2019	113,837	$2,868	$24.37	$21.15 - $27.49
Q1 2019	94,054	$2,406	$26.33	$21.00 - $29.50
Q4 2018	59,904	$1,303	$25.93	$20.84 - $29.84
Q3 2018	155,207	$4,587	$26.89	$24.31 - $30.18
Q2 2018	112,098	$2,817	$27.05	$22.93 - $29.87
Q1 2018	107,084	$2,534	$26.83	$22.70 - $30.25
Q4 2017	125,981	$3,041	$23.80	$21.01 - $26.59
Q3 2017	71,127	$1,700	$19.78	$16.51 - $24.00
Q2 2017	54,443	$925	$16.82	$14.54 - $20.11
Q1 2017	33,579	$604	$18.80	$15.61 - $23.69
Q4 2016	3,974	$63	$16.62	$13.15 - $19.20
Q3 2016	3,615	$65	$16.54	$12.22 - $18.59
Q2 2016	128,090	$1,634	$14.18	$10.81 - $17.83
Q1 2016	14,530	$232	$12.00	$6.97 - $18.17
Q4 2015	4,363	$48	$13.45	$9.91 - $18.65
Q3 2015	5,861	$81	$20.12	$13.34 - $30.02
Q2 2015	35,683	$1,071	$31.90	$27.97 - $36.35
Q1 2015	66,089	$1,984	$29.80	$25.96 - $33.60
Q4 2014	107,516	$3,655	$31.49	$28.73 - $35.21
Q3 2014	84,772	$3,134	$39.92	$34.97 - $43.90
Q2 2014	69,532	$3,131	$38.68	$35.44 - $42.89
Q1 2014	86,418	$3,196	$31.60	$27.91 - $36.14
Q4 2013	127,610	$4,468	$30.74	$27.52 - $33.68
Q3 2013	129,780	$3,894	$26.04	$23.74 - $30.56
Q2 2013	114,778	$3,021	$26.04	$23.70 - $29.42