ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q4 2025

Shares 271,700 Value ($000) $31,180 Avg Close $97.45 Range $79.29 - $117.48

Q3 2025

Shares 273,400 Value ($000) $22,238 Avg Close $81.04 Range $70.42 - $96.20

Q2 2025

Shares 269,600 Value ($000) $23,277 Avg Close $68.45 Range $39.23 - $87.75

Q1 2025

Shares 276,300 Value ($000) $14,376 Avg Close $56.77 Range $49.07 - $66.80

Q4 2024

Shares 244,800 Value ($000) $13,474 Avg Close $58.97 Range $52.45 - $67.09

Q3 2024

Shares 243,100 Value ($000) $16,266 Avg Close $62.09 Range $53.90 - $68.92

Q2 2024

Shares 244,800 Value ($000) $13,574 Avg Close $56.03 Range $47.90 - $62.44

Q1 2024

Shares 251,900 Value ($000) $12,890 Avg Close $45.22 Range $38.04 - $51.95

Q4 2023

Shares 253,500 Value ($000) $11,527 Avg Close $41.52 Range $35.03 - $46.57

Q3 2023

Shares 282,600 Value ($000) $11,629 Avg Close $44.44 Range $41.04 - $47.92

Q2 2023

Shares 279,800 Value ($000) $12,376 Avg Close $38.25 Range $34.10 - $44.39

Q1 2023

Shares 279,400 Value ($000) $11,025 Avg Close $37.76 Range $29.37 - $43.32

Q4 2022

Shares 313,600 Value ($000) $9,364 Avg Close $29.27 Range $25.39 - $31.74

Q3 2022

Shares 294,400 Value ($000) $7,834 Avg Close $27.84 Range $20.52 - $33.31

Q2 2022

Shares 300,900 Value ($000) $6,833 Avg Close $26.35 Range $20.87 - $30.74

Q1 2022

Shares 300,900 Value ($000) $8,076 Avg Close $23.18 Range $16.02 - $28.45

Q4 2021

Shares 281,000 Value ($000) $4,476 Avg Close $16.05 Range $13.85 - $18.33

Q3 2021

Shares 281,000 Value ($000) $4,673 Avg Close $18.91 Range $15.75 - $22.33

Q2 2021

Shares 279,500 Value ($000) $5,828 Avg Close $22.93 Range $20.15 - $25.04

Q1 2021

Shares 289,800 Value ($000) $6,103 Avg Close $19.55 Range $15.97 - $22.87

Q4 2020

Shares 287,000 Value ($000) $4,813 Avg Close $12.70 Range $8.24 - $17.60

Q3 2020

Shares 287,000 Value ($000) $2,503 Avg Close $9.20 Range $8.04 - $11.06

Q2 2020

Shares 281,500 Value ($000) $2,868 Avg Close $8.67 Range $6.21 - $12.60

Q1 2020

Shares 244,500 Value ($000) $2,078 Avg Close $15.97 Range $4.95 - $20.91

Q4 2019

Shares 241,300 Value ($000) $4,985 Avg Close $21.68 Range $18.98 - $24.17

Q3 2019

Shares 237,200 Value ($000) $4,803 Avg Close $21.15 Range $17.03 - $25.66

Q2 2019

Shares 233,900 Value ($000) $5,894 Avg Close $24.37 Range $21.15 - $27.49

Q1 2019

Shares 229,000 Value ($000) $5,856 Avg Close $26.33 Range $21.00 - $29.50

Q4 2018

Shares 222,200 Value ($000) $4,837 Avg Close $25.93 Range $20.84 - $29.84

Q3 2018

Shares 219,300 Value ($000) $6,480 Avg Close $26.89 Range $24.31 - $30.18

Q2 2018

Shares 219,300 Value ($000) $5,509 Avg Close $27.05 Range $22.93 - $29.87

Q1 2018

Shares 219,300 Value ($000) $5,193 Avg Close $26.83 Range $22.70 - $30.25

Q4 2017

Shares 214,400 Value ($000) $5,176 Avg Close $23.80 Range $21.01 - $26.59

Q3 2017

Shares 179,100 Value ($000) $4,280 Avg Close $19.78 Range $16.51 - $24.00

Q2 2017

Shares 179,100 Value ($000) $3,046 Avg Close $16.82 Range $14.54 - $20.11

Q1 2017

Shares 179,100 Value ($000) $3,217 Avg Close $18.80 Range $15.61 - $23.69

Q4 2016

Shares 179,100 Value ($000) $2,853 Avg Close $16.62 Range $13.15 - $19.20

Q3 2016

Shares 175,100 Value ($000) $3,164 Avg Close $16.54 Range $12.22 - $18.59

Q2 2016

Shares 181,300 Value ($000) $2,312 Avg Close $14.18 Range $10.81 - $17.83

Q1 2016

Shares 181,300 Value ($000) $2,853 Avg Close $12.00 Range $6.97 - $18.17

Q4 2015

Shares 145,700 Value ($000) $1,639 Avg Close $13.45 Range $9.91 - $18.65

Q3 2015

Shares 145,700 Value ($000) $2,066 Avg Close $20.12 Range $13.34 - $30.02

Q2 2015

Shares 126,900 Value ($000) $3,832 Avg Close $31.90 Range $27.97 - $36.35

Q1 2015

Shares 124,700 Value ($000) $3,742 Avg Close $29.80 Range $25.96 - $33.60

Q4 2014

Shares 123,500 Value ($000) $4,294 Avg Close $31.49 Range $28.73 - $35.21

Q3 2014

Shares 120,800 Value ($000) $4,482 Avg Close $39.92 Range $34.97 - $43.90

Q2 2014

Shares 122,900 Value ($000) $5,543 Avg Close $38.68 Range $35.44 - $42.89

Q1 2014

Shares 122,900 Value ($000) $4,631 Avg Close $31.60 Range $27.91 - $36.14

Q4 2013

Shares 96,200 Value ($000) $3,428 Avg Close $30.74 Range $27.52 - $33.68

Q3 2013

Shares 95,600 Value ($000) $2,918 Avg Close $26.04 Range $23.74 - $30.56

Q2 2013

Shares 96,100 Value ($000) $2,528 Avg Close $26.04 Range $23.70 - $29.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	271,700	$31,180	$97.45	$79.29 - $117.48
Q3 2025	273,400	$22,238	$81.04	$70.42 - $96.20
Q2 2025	269,600	$23,277	$68.45	$39.23 - $87.75
Q1 2025	276,300	$14,376	$56.77	$49.07 - $66.80
Q4 2024	244,800	$13,474	$58.97	$52.45 - $67.09
Q3 2024	243,100	$16,266	$62.09	$53.90 - $68.92
Q2 2024	244,800	$13,574	$56.03	$47.90 - $62.44
Q1 2024	251,900	$12,890	$45.22	$38.04 - $51.95
Q4 2023	253,500	$11,527	$41.52	$35.03 - $46.57
Q3 2023	282,600	$11,629	$44.44	$41.04 - $47.92
Q2 2023	279,800	$12,376	$38.25	$34.10 - $44.39
Q1 2023	279,400	$11,025	$37.76	$29.37 - $43.32
Q4 2022	313,600	$9,364	$29.27	$25.39 - $31.74
Q3 2022	294,400	$7,834	$27.84	$20.52 - $33.31
Q2 2022	300,900	$6,833	$26.35	$20.87 - $30.74
Q1 2022	300,900	$8,076	$23.18	$16.02 - $28.45
Q4 2021	281,000	$4,476	$16.05	$13.85 - $18.33
Q3 2021	281,000	$4,673	$18.91	$15.75 - $22.33
Q2 2021	279,500	$5,828	$22.93	$20.15 - $25.04
Q1 2021	289,800	$6,103	$19.55	$15.97 - $22.87
Q4 2020	287,000	$4,813	$12.70	$8.24 - $17.60
Q3 2020	287,000	$2,503	$9.20	$8.04 - $11.06
Q2 2020	281,500	$2,868	$8.67	$6.21 - $12.60
Q1 2020	244,500	$2,078	$15.97	$4.95 - $20.91
Q4 2019	241,300	$4,985	$21.68	$18.98 - $24.17
Q3 2019	237,200	$4,803	$21.15	$17.03 - $25.66
Q2 2019	233,900	$5,894	$24.37	$21.15 - $27.49
Q1 2019	229,000	$5,856	$26.33	$21.00 - $29.50
Q4 2018	222,200	$4,837	$25.93	$20.84 - $29.84
Q3 2018	219,300	$6,480	$26.89	$24.31 - $30.18
Q2 2018	219,300	$5,509	$27.05	$22.93 - $29.87
Q1 2018	219,300	$5,193	$26.83	$22.70 - $30.25
Q4 2017	214,400	$5,176	$23.80	$21.01 - $26.59
Q3 2017	179,100	$4,280	$19.78	$16.51 - $24.00
Q2 2017	179,100	$3,046	$16.82	$14.54 - $20.11
Q1 2017	179,100	$3,217	$18.80	$15.61 - $23.69
Q4 2016	179,100	$2,853	$16.62	$13.15 - $19.20
Q3 2016	175,100	$3,164	$16.54	$12.22 - $18.59
Q2 2016	181,300	$2,312	$14.18	$10.81 - $17.83
Q1 2016	181,300	$2,853	$12.00	$6.97 - $18.17
Q4 2015	145,700	$1,639	$13.45	$9.91 - $18.65
Q3 2015	145,700	$2,066	$20.12	$13.34 - $30.02
Q2 2015	126,900	$3,832	$31.90	$27.97 - $36.35
Q1 2015	124,700	$3,742	$29.80	$25.96 - $33.60
Q4 2014	123,500	$4,294	$31.49	$28.73 - $35.21
Q3 2014	120,800	$4,482	$39.92	$34.97 - $43.90
Q2 2014	122,900	$5,543	$38.68	$35.44 - $42.89
Q1 2014	122,900	$4,631	$31.60	$27.91 - $36.14
Q4 2013	96,200	$3,428	$30.74	$27.52 - $33.68
Q3 2013	95,600	$2,918	$26.04	$23.74 - $30.56
Q2 2013	96,100	$2,528	$26.04	$23.70 - $29.42