ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 347,548 Value ($000) $39,885 Avg Close $97.45 Range $79.29 - $117.48

Q3 2025

Shares 362,218 Value ($000) $29,463 Avg Close $81.04 Range $70.42 - $96.20

Q2 2025

Shares 370,012 Value ($000) $31,947 Avg Close $68.45 Range $39.23 - $87.75

Q1 2025

Shares 362,532 Value ($000) $18,862 Avg Close $56.77 Range $49.07 - $66.80

Q4 2024

Shares 304,291 Value ($000) $16,748 Avg Close $58.97 Range $52.45 - $67.09

Q3 2024

Shares 287,316 Value ($000) $19,224 Avg Close $62.09 Range $53.90 - $68.92

Q2 2024

Shares 296,854 Value ($000) $16,461 Avg Close $56.03 Range $47.90 - $62.44

Q1 2024

Shares 367,468 Value ($000) $18,803 Avg Close $45.22 Range $38.04 - $51.95

Q4 2023

Shares 371,852 Value ($000) $16,908 Avg Close $41.52 Range $35.03 - $46.57

Q3 2023

Shares 388,101 Value ($000) $15,970 Avg Close $44.44 Range $41.04 - $47.92

Q2 2023

Shares 384,880 Value ($000) $17,023 Avg Close $38.25 Range $34.10 - $44.39

Q1 2023

Shares 392,327 Value ($000) $15 Avg Close $37.76 Range $29.37 - $43.32

Q4 2022

Shares 375,486 Value ($000) $11 Avg Close $29.27 Range $25.39 - $31.74

Q3 2022

Shares 368,663 Value ($000) $9,810 Avg Close $27.84 Range $20.52 - $33.31

Q2 2022

Shares 344,666 Value ($000) $7,827 Avg Close $26.35 Range $20.87 - $30.74

Q1 2022

Shares 347,984 Value ($000) $9,340 Avg Close $23.18 Range $16.02 - $28.45

Q4 2021

Shares 333,159 Value ($000) $5,307 Avg Close $16.05 Range $13.85 - $18.33

Q3 2021

Shares 342,133 Value ($000) $5,690 Avg Close $18.91 Range $15.75 - $22.33

Q2 2021

Shares 392,713 Value ($000) $8,188 Avg Close $22.93 Range $20.15 - $25.04

Q1 2021

Shares 436,992 Value ($000) $9,203 Avg Close $19.55 Range $15.97 - $22.87

Q4 2020

Shares 439,815 Value ($000) $7,376 Avg Close $12.70 Range $8.24 - $17.60

Q3 2020

Shares 399,761 Value ($000) $3,486 Avg Close $9.20 Range $8.04 - $11.06

Q2 2020

Shares 470,103 Value ($000) $4,790 Avg Close $8.67 Range $6.21 - $12.60

Q1 2020

Shares 457,747 Value ($000) $3,891 Avg Close $15.97 Range $4.95 - $20.91

Q4 2019

Shares 432,908 Value ($000) $8,944 Avg Close $21.68 Range $18.98 - $24.17

Q3 2019

Shares 431,136 Value ($000) $8,731 Avg Close $21.15 Range $17.03 - $25.66

Q2 2019

Shares 430,488 Value ($000) $10,848 Avg Close $24.37 Range $21.15 - $27.49

Q1 2019

Shares 422,220 Value ($000) $10,796 Avg Close $26.33 Range $21.00 - $29.50

Q4 2018

Shares 415,396 Value ($000) $9,043 Avg Close $25.93 Range $20.84 - $29.84

Q3 2018

Shares 244,093 Value ($000) $7,213 Avg Close $26.89 Range $24.31 - $30.18

Q2 2018

Shares 242,826 Value ($000) $6,100 Avg Close $27.05 Range $22.93 - $29.87

Q1 2018

Shares 239,683 Value ($000) $5,676 Avg Close $26.83 Range $22.70 - $30.25

Q4 2017

Shares 249,581 Value ($000) $6,025 Avg Close $23.80 Range $21.01 - $26.59

Q3 2017

Shares 239,639 Value ($000) $5,727 Avg Close $19.78 Range $16.51 - $24.00

Q2 2017

Shares 229,648 Value ($000) $3,906 Avg Close $16.82 Range $14.54 - $20.11

Q1 2017

Shares 234,612 Value ($000) $4,214 Avg Close $18.80 Range $15.61 - $23.69

Q4 2016

Shares 228,344 Value ($000) $3,638 Avg Close $16.62 Range $13.15 - $19.20

Q3 2016

Shares 229,727 Value ($000) $4,151 Avg Close $16.54 Range $12.22 - $18.59

Q2 2016

Shares 220,297 Value ($000) $2,809 Avg Close $14.18 Range $10.81 - $17.83

Q1 2016

Shares 164,664 Value ($000) $2,684 Avg Close $12.00 Range $6.97 - $18.17

Q4 2015

Shares 160,154 Value ($000) $1,802 Avg Close $13.45 Range $9.91 - $18.65

Q3 2015

Shares 159,470 Value ($000) $2,261 Avg Close $20.12 Range $13.34 - $30.02

Q2 2015

Shares 154,433 Value ($000) $4,664 Avg Close $31.90 Range $27.97 - $36.35

Q1 2015

Shares 138,348 Value ($000) $4,152 Avg Close $29.80 Range $25.96 - $33.60

Q4 2014

Shares 139,408 Value ($000) $4,847 Avg Close $31.49 Range $28.73 - $35.21

Q3 2014

Shares 138,379 Value ($000) $5,134 Avg Close $39.92 Range $34.97 - $43.90

Q2 2014

Shares 138,876 Value ($000) $6,263 Avg Close $38.68 Range $35.44 - $42.89

Q1 2014

Shares 145,505 Value ($000) $5,483 Avg Close $31.60 Range $27.91 - $36.14

Q4 2013

Shares 149,375 Value ($000) $5,322 Avg Close $30.74 Range $27.52 - $33.68

Q3 2013

Shares 167,274 Value ($000) $5,105 Avg Close $26.04 Range $23.74 - $30.56

Q2 2013

Shares 166,410 Value ($000) $4,378 Avg Close $26.04 Range $23.70 - $29.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	347,548	$39,885	$97.45	$79.29 - $117.48
Q3 2025	362,218	$29,463	$81.04	$70.42 - $96.20
Q2 2025	370,012	$31,947	$68.45	$39.23 - $87.75
Q1 2025	362,532	$18,862	$56.77	$49.07 - $66.80
Q4 2024	304,291	$16,748	$58.97	$52.45 - $67.09
Q3 2024	287,316	$19,224	$62.09	$53.90 - $68.92
Q2 2024	296,854	$16,461	$56.03	$47.90 - $62.44
Q1 2024	367,468	$18,803	$45.22	$38.04 - $51.95
Q4 2023	371,852	$16,908	$41.52	$35.03 - $46.57
Q3 2023	388,101	$15,970	$44.44	$41.04 - $47.92
Q2 2023	384,880	$17,023	$38.25	$34.10 - $44.39
Q1 2023	392,327	$15	$37.76	$29.37 - $43.32
Q4 2022	375,486	$11	$29.27	$25.39 - $31.74
Q3 2022	368,663	$9,810	$27.84	$20.52 - $33.31
Q2 2022	344,666	$7,827	$26.35	$20.87 - $30.74
Q1 2022	347,984	$9,340	$23.18	$16.02 - $28.45
Q4 2021	333,159	$5,307	$16.05	$13.85 - $18.33
Q3 2021	342,133	$5,690	$18.91	$15.75 - $22.33
Q2 2021	392,713	$8,188	$22.93	$20.15 - $25.04
Q1 2021	436,992	$9,203	$19.55	$15.97 - $22.87
Q4 2020	439,815	$7,376	$12.70	$8.24 - $17.60
Q3 2020	399,761	$3,486	$9.20	$8.04 - $11.06
Q2 2020	470,103	$4,790	$8.67	$6.21 - $12.60
Q1 2020	457,747	$3,891	$15.97	$4.95 - $20.91
Q4 2019	432,908	$8,944	$21.68	$18.98 - $24.17
Q3 2019	431,136	$8,731	$21.15	$17.03 - $25.66
Q2 2019	430,488	$10,848	$24.37	$21.15 - $27.49
Q1 2019	422,220	$10,796	$26.33	$21.00 - $29.50
Q4 2018	415,396	$9,043	$25.93	$20.84 - $29.84
Q3 2018	244,093	$7,213	$26.89	$24.31 - $30.18
Q2 2018	242,826	$6,100	$27.05	$22.93 - $29.87
Q1 2018	239,683	$5,676	$26.83	$22.70 - $30.25
Q4 2017	249,581	$6,025	$23.80	$21.01 - $26.59
Q3 2017	239,639	$5,727	$19.78	$16.51 - $24.00
Q2 2017	229,648	$3,906	$16.82	$14.54 - $20.11
Q1 2017	234,612	$4,214	$18.80	$15.61 - $23.69
Q4 2016	228,344	$3,638	$16.62	$13.15 - $19.20
Q3 2016	229,727	$4,151	$16.54	$12.22 - $18.59
Q2 2016	220,297	$2,809	$14.18	$10.81 - $17.83
Q1 2016	164,664	$2,684	$12.00	$6.97 - $18.17
Q4 2015	160,154	$1,802	$13.45	$9.91 - $18.65
Q3 2015	159,470	$2,261	$20.12	$13.34 - $30.02
Q2 2015	154,433	$4,664	$31.90	$27.97 - $36.35
Q1 2015	138,348	$4,152	$29.80	$25.96 - $33.60
Q4 2014	139,408	$4,847	$31.49	$28.73 - $35.21
Q3 2014	138,379	$5,134	$39.92	$34.97 - $43.90
Q2 2014	138,876	$6,263	$38.68	$35.44 - $42.89
Q1 2014	145,505	$5,483	$31.60	$27.91 - $36.14
Q4 2013	149,375	$5,322	$30.74	$27.52 - $33.68
Q3 2013	167,274	$5,105	$26.04	$23.74 - $30.56
Q2 2013	166,410	$4,378	$26.04	$23.70 - $29.42