ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 102,702 Value ($000) $11,786 Avg Close $97.45 Range $79.29 - $117.48

Q3 2025

Shares 112,903 Value ($000) $9,184 Avg Close $81.04 Range $70.42 - $96.20

Q2 2025

Shares 592,475 Value ($000) $51,154 Avg Close $68.45 Range $39.23 - $87.75

Q1 2025

Shares 1,066,398 Value ($000) $55,485 Avg Close $56.77 Range $49.07 - $66.80

Q4 2024

Shares 390,750 Value ($000) $21,507 Avg Close $58.97 Range $52.45 - $67.09

Q3 2024

Shares 253,716 Value ($000) $16,976 Avg Close $62.09 Range $53.90 - $68.92

Q2 2024

Shares 837,927 Value ($000) $46,463 Avg Close $56.03 Range $47.90 - $62.44

Q1 2024

Shares 56,488 Value ($000) $2,890 Avg Close $45.22 Range $38.04 - $51.95

Q4 2023

Shares 259,556 Value ($000) $11,802 Avg Close $41.52 Range $35.03 - $46.57

Q3 2023

Shares 91,026 Value ($000) $3,746 Avg Close $44.44 Range $41.04 - $47.92

Q2 2023

Shares 78,892 Value ($000) $3,489 Avg Close $38.25 Range $34.10 - $44.39

Q1 2023

Shares 543,640 Value ($000) $21,452 Avg Close $37.76 Range $29.37 - $43.32

Q4 2022

Shares 439,434 Value ($000) $13,121 Avg Close $29.27 Range $25.39 - $31.74

Q3 2022

Shares 828,157 Value ($000) $22,037 Avg Close $27.84 Range $20.52 - $33.31

Q2 2022

Shares 571,504 Value ($000) $12,979 Avg Close $26.35 Range $20.87 - $30.74

Q1 2022

Shares 534,854 Value ($000) $14,355 Avg Close $23.18 Range $16.02 - $28.45

Q4 2021

Shares 405,456 Value ($000) $6,458 Avg Close $16.05 Range $13.85 - $18.33

Q3 2021

Shares 292,347 Value ($000) $4,862 Avg Close $18.91 Range $15.75 - $22.33

Q2 2021

Shares 653,857 Value ($000) $13,633 Avg Close $22.93 Range $20.15 - $25.04

Q1 2021

Shares 253,353 Value ($000) $5,336 Avg Close $19.55 Range $15.97 - $22.87

Q4 2020

Shares 273,832 Value ($000) $4,592 Avg Close $12.70 Range $8.24 - $17.60

Q3 2020

Shares 612,092 Value ($000) $5,337 Avg Close $9.20 Range $8.04 - $11.06

Q2 2020

Shares 40,379 Value ($000) $411 Avg Close $8.67 Range $6.21 - $12.60

Q1 2020

Shares 1,166,525 Value ($000) $9,915 Avg Close $15.97 Range $4.95 - $20.91

Q4 2019

Shares 524,093 Value ($000) $10,827 Avg Close $21.68 Range $18.98 - $24.17

Q3 2019

Shares 768,109 Value ($000) $15,554 Avg Close $21.15 Range $17.03 - $25.66

Q2 2019

Shares 968,469 Value ($000) $24,405 Avg Close $24.37 Range $21.15 - $27.49

Q1 2019

Shares 493,966 Value ($000) $12,631 Avg Close $26.33 Range $21.00 - $29.50

Q4 2018

Shares 215,219 Value ($000) $4,686 Avg Close $25.93 Range $20.84 - $29.84

Q3 2018

Shares 473,808 Value ($000) $14,001 Avg Close $26.89 Range $24.31 - $30.18

Q2 2018

Shares 287,310 Value ($000) $7,217 Avg Close $27.05 Range $22.93 - $29.87

Q1 2018

Shares 572,851 Value ($000) $13,564 Avg Close $26.83 Range $22.70 - $30.25

Q4 2017

Shares 989,519 Value ($000) $23,886 Avg Close $23.80 Range $21.01 - $26.59

Q3 2017

Shares 328,899 Value ($000) $7,861 Avg Close $19.78 Range $16.51 - $24.00

Q2 2017

Shares 480,505 Value ($000) $8,173 Avg Close $16.82 Range $14.54 - $20.11

Q1 2017

Shares 529,234 Value ($000) $9,505 Avg Close $18.80 Range $15.61 - $23.69

Q4 2016

Shares 17,956 Value ($000) $286 Avg Close $16.62 Range $13.15 - $19.20

Q4 2015

Shares 127,788 Value ($000) $1,438 Avg Close $13.45 Range $9.91 - $18.65

Q3 2015

Shares 43,694 Value ($000) $620 Avg Close $20.12 Range $13.34 - $30.02

Q2 2015

Shares 1,176,579 Value ($000) $35,533 Avg Close $31.90 Range $27.97 - $36.35

Q1 2015

Shares 1,277,727 Value ($000) $38,345 Avg Close $29.80 Range $25.96 - $33.60

Q4 2014

Shares 1,117,372 Value ($000) $38,851 Avg Close $31.49 Range $28.73 - $35.21

Q3 2014

Shares 606,573 Value ($000) $22,504 Avg Close $39.92 Range $34.97 - $43.90

Q3 2013

Shares 3,388 Value ($000) $103 Avg Close $26.04 Range $23.74 - $30.56

Q2 2013

Shares 1,267 Value ($000) $33 Avg Close $26.04 Range $23.70 - $29.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	102,702	$11,786	$97.45	$79.29 - $117.48
Q3 2025	112,903	$9,184	$81.04	$70.42 - $96.20
Q2 2025	592,475	$51,154	$68.45	$39.23 - $87.75
Q1 2025	1,066,398	$55,485	$56.77	$49.07 - $66.80
Q4 2024	390,750	$21,507	$58.97	$52.45 - $67.09
Q3 2024	253,716	$16,976	$62.09	$53.90 - $68.92
Q2 2024	837,927	$46,463	$56.03	$47.90 - $62.44
Q1 2024	56,488	$2,890	$45.22	$38.04 - $51.95
Q4 2023	259,556	$11,802	$41.52	$35.03 - $46.57
Q3 2023	91,026	$3,746	$44.44	$41.04 - $47.92
Q2 2023	78,892	$3,489	$38.25	$34.10 - $44.39
Q1 2023	543,640	$21,452	$37.76	$29.37 - $43.32
Q4 2022	439,434	$13,121	$29.27	$25.39 - $31.74
Q3 2022	828,157	$22,037	$27.84	$20.52 - $33.31
Q2 2022	571,504	$12,979	$26.35	$20.87 - $30.74
Q1 2022	534,854	$14,355	$23.18	$16.02 - $28.45
Q4 2021	405,456	$6,458	$16.05	$13.85 - $18.33
Q3 2021	292,347	$4,862	$18.91	$15.75 - $22.33
Q2 2021	653,857	$13,633	$22.93	$20.15 - $25.04
Q1 2021	253,353	$5,336	$19.55	$15.97 - $22.87
Q4 2020	273,832	$4,592	$12.70	$8.24 - $17.60
Q3 2020	612,092	$5,337	$9.20	$8.04 - $11.06
Q2 2020	40,379	$411	$8.67	$6.21 - $12.60
Q1 2020	1,166,525	$9,915	$15.97	$4.95 - $20.91
Q4 2019	524,093	$10,827	$21.68	$18.98 - $24.17
Q3 2019	768,109	$15,554	$21.15	$17.03 - $25.66
Q2 2019	968,469	$24,405	$24.37	$21.15 - $27.49
Q1 2019	493,966	$12,631	$26.33	$21.00 - $29.50
Q4 2018	215,219	$4,686	$25.93	$20.84 - $29.84
Q3 2018	473,808	$14,001	$26.89	$24.31 - $30.18
Q2 2018	287,310	$7,217	$27.05	$22.93 - $29.87
Q1 2018	572,851	$13,564	$26.83	$22.70 - $30.25
Q4 2017	989,519	$23,886	$23.80	$21.01 - $26.59
Q3 2017	328,899	$7,861	$19.78	$16.51 - $24.00
Q2 2017	480,505	$8,173	$16.82	$14.54 - $20.11
Q1 2017	529,234	$9,505	$18.80	$15.61 - $23.69
Q4 2016	17,956	$286	$16.62	$13.15 - $19.20
Q4 2015	127,788	$1,438	$13.45	$9.91 - $18.65
Q3 2015	43,694	$620	$20.12	$13.34 - $30.02
Q2 2015	1,176,579	$35,533	$31.90	$27.97 - $36.35
Q1 2015	1,277,727	$38,345	$29.80	$25.96 - $33.60
Q4 2014	1,117,372	$38,851	$31.49	$28.73 - $35.21
Q3 2014	606,573	$22,504	$39.92	$34.97 - $43.90
Q3 2013	3,388	$103	$26.04	$23.74 - $30.56
Q2 2013	1,267	$33	$26.04	$23.70 - $29.42