AMKOR TECHNOLOGY INC

Ticker: AMKR CUSIP: 031652100 Class: Common Stock

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

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

Q4 2025

Shares 243,700 Value ($000) $9,621 Avg Close $35.54 Range $28.11 - $47.28

Q3 2025

Shares 239,500 Value ($000) $6,802 Avg Close $23.96 Range $20.48 - $30.29

Q2 2025

Shares 236,000 Value ($000) $4,954 Avg Close $18.29 Range $13.89 - $21.19

Q1 2025

Shares 215,000 Value ($000) $3,883 Avg Close $22.28 Range $17.44 - $27.31

Q4 2024

Shares 218,100 Value ($000) $5,603 Avg Close $26.77 Range $23.33 - $30.71

Q3 2024

Shares 216,300 Value ($000) $6,619 Avg Close $32.91 Range $25.69 - $43.32

Q2 2024

Shares 218,000 Value ($000) $8,724 Avg Close $31.93 Range $27.12 - $39.53

Q1 2024

Shares 218,000 Value ($000) $7,028 Avg Close $30.50 Range $27.72 - $35.56

Q4 2023

Shares 218,000 Value ($000) $7,253 Avg Close $25.22 Range $16.85 - $33.10

Q3 2023

Shares 243,000 Value ($000) $5,492 Avg Close $25.22 Range $20.83 - $28.77

Q2 2023

Shares 240,700 Value ($000) $7,161 Avg Close $23.21 Range $19.46 - $28.92

Q1 2023

Shares 237,900 Value ($000) $6,190 Avg Close $26.02 Range $22.73 - $29.82

Q4 2022

Shares 266,000 Value ($000) $6,379 Avg Close $21.98 Range $15.71 - $27.58

Q3 2022

Shares 261,200 Value ($000) $4,453 Avg Close $18.20 Range $14.08 - $21.90

Q2 2022

Shares 260,100 Value ($000) $4,409 Avg Close $17.93 Range $15.37 - $20.90

Q1 2022

Shares 260,100 Value ($000) $5,649 Avg Close $21.32 Range $18.61 - $25.07

Q4 2021

Shares 242,800 Value ($000) $6,019 Avg Close $21.87 Range $19.83 - $24.52

Q3 2021

Shares 242,800 Value ($000) $6,058 Avg Close $23.93 Range $19.34 - $27.70

Q2 2021

Shares 241,400 Value ($000) $5,714 Avg Close $20.84 Range $16.88 - $25.74

Q1 2021

Shares 249,300 Value ($000) $5,911 Avg Close $19.14 Range $13.85 - $24.36

Q4 2020

Shares 245,900 Value ($000) $3,708 Avg Close $12.70 Range $10.09 - $14.70

Q3 2020

Shares 245,900 Value ($000) $2,754 Avg Close $11.54 Range $9.98 - $14.72

Q2 2020

Shares 242,200 Value ($000) $2,981 Avg Close $9.62 Range $6.65 - $12.20

Q1 2020

Shares 209,300 Value ($000) $1,630 Avg Close $10.13 Range $5.03 - $13.81

Q4 2019

Shares 206,500 Value ($000) $2,685 Avg Close $11.12 Range $8.40 - $14.21

Q3 2019

Shares 202,500 Value ($000) $1,843 Avg Close $7.99 Range $6.78 - $9.12

Q2 2019

Shares 200,600 Value ($000) $1,496 Avg Close $7.29 Range $5.97 - $9.08

Q1 2019

Shares 196,500 Value ($000) $1,678 Avg Close $7.71 Range $5.86 - $8.92

Q4 2018

Shares 190,600 Value ($000) $1,250 Avg Close $6.15 Range $5.33 - $7.05

Q3 2018

Shares 186,900 Value ($000) $1,381 Avg Close $7.92 Range $6.80 - $8.76

Q2 2018

Shares 186,900 Value ($000) $1,605 Avg Close $8.50 Range $7.63 - $9.77

Q1 2018

Shares 186,900 Value ($000) $1,893 Avg Close $9.70 Range $8.20 - $10.88

Q4 2017

Shares 183,400 Value ($000) $1,843 Avg Close $9.97 Range $9.24 - $11.07

Q3 2017

Shares 176,300 Value ($000) $1,860 Avg Close $8.92 Range $7.75 - $10.48

Q2 2017

Shares 176,300 Value ($000) $1,722 Avg Close $10.55 Range $8.97 - $11.63

Q1 2017

Shares 176,300 Value ($000) $2,043 Avg Close $9.61 Range $8.43 - $10.85

Q4 2016

Shares 171,000 Value ($000) $1,804 Avg Close $9.93 Range $8.41 - $11.63

Q3 2016

Shares 171,000 Value ($000) $1,662 Avg Close $7.46 Range $5.13 - $9.17

Q2 2016

Shares 177,200 Value ($000) $1,019 Avg Close $5.44 Range $4.91 - $6.06

Q1 2016

Shares 174,200 Value ($000) $991 Avg Close $5.06 Range $3.81 - $5.78

Q4 2015

Shares 141,800 Value ($000) $862 Avg Close $5.64 Range $4.05 - $6.57

Q3 2015

Shares 141,800 Value ($000) $637 Avg Close $4.58 Range $3.74 - $5.73

Q2 2015

Shares 123,900 Value ($000) $741 Avg Close $6.72 Range $5.49 - $8.46

Q1 2015

Shares 154,300 Value ($000) $1,363 Avg Close $7.58 Range $5.83 - $9.44

Q4 2014

Shares 150,700 Value ($000) $1,070 Avg Close $6.46 Range $5.38 - $8.10

Q3 2014

Shares 146,700 Value ($000) $1,234 Avg Close $9.21 Range $7.83 - $10.86

Q2 2014

Shares 125,900 Value ($000) $1,408 Avg Close $8.60 Range $6.24 - $11.43

Q1 2014

Shares 97,500 Value ($000) $669 Avg Close $5.44 Range $4.68 - $6.41

Q4 2013

Shares 68,000 Value ($000) $417 Avg Close $4.97 Range $3.99 - $5.77

Q3 2013

Shares 59,900 Value ($000) $257 Avg Close $4.00 Range $3.73 - $4.42

Q2 2013

Shares 70,900 Value ($000) $298 Avg Close $3.93 Range $3.31 - $4.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	243,700	$9,621	$35.54	$28.11 - $47.28
Q3 2025	239,500	$6,802	$23.96	$20.48 - $30.29
Q2 2025	236,000	$4,954	$18.29	$13.89 - $21.19
Q1 2025	215,000	$3,883	$22.28	$17.44 - $27.31
Q4 2024	218,100	$5,603	$26.77	$23.33 - $30.71
Q3 2024	216,300	$6,619	$32.91	$25.69 - $43.32
Q2 2024	218,000	$8,724	$31.93	$27.12 - $39.53
Q1 2024	218,000	$7,028	$30.50	$27.72 - $35.56
Q4 2023	218,000	$7,253	$25.22	$16.85 - $33.10
Q3 2023	243,000	$5,492	$25.22	$20.83 - $28.77
Q2 2023	240,700	$7,161	$23.21	$19.46 - $28.92
Q1 2023	237,900	$6,190	$26.02	$22.73 - $29.82
Q4 2022	266,000	$6,379	$21.98	$15.71 - $27.58
Q3 2022	261,200	$4,453	$18.20	$14.08 - $21.90
Q2 2022	260,100	$4,409	$17.93	$15.37 - $20.90
Q1 2022	260,100	$5,649	$21.32	$18.61 - $25.07
Q4 2021	242,800	$6,019	$21.87	$19.83 - $24.52
Q3 2021	242,800	$6,058	$23.93	$19.34 - $27.70
Q2 2021	241,400	$5,714	$20.84	$16.88 - $25.74
Q1 2021	249,300	$5,911	$19.14	$13.85 - $24.36
Q4 2020	245,900	$3,708	$12.70	$10.09 - $14.70
Q3 2020	245,900	$2,754	$11.54	$9.98 - $14.72
Q2 2020	242,200	$2,981	$9.62	$6.65 - $12.20
Q1 2020	209,300	$1,630	$10.13	$5.03 - $13.81
Q4 2019	206,500	$2,685	$11.12	$8.40 - $14.21
Q3 2019	202,500	$1,843	$7.99	$6.78 - $9.12
Q2 2019	200,600	$1,496	$7.29	$5.97 - $9.08
Q1 2019	196,500	$1,678	$7.71	$5.86 - $8.92
Q4 2018	190,600	$1,250	$6.15	$5.33 - $7.05
Q3 2018	186,900	$1,381	$7.92	$6.80 - $8.76
Q2 2018	186,900	$1,605	$8.50	$7.63 - $9.77
Q1 2018	186,900	$1,893	$9.70	$8.20 - $10.88
Q4 2017	183,400	$1,843	$9.97	$9.24 - $11.07
Q3 2017	176,300	$1,860	$8.92	$7.75 - $10.48
Q2 2017	176,300	$1,722	$10.55	$8.97 - $11.63
Q1 2017	176,300	$2,043	$9.61	$8.43 - $10.85
Q4 2016	171,000	$1,804	$9.93	$8.41 - $11.63
Q3 2016	171,000	$1,662	$7.46	$5.13 - $9.17
Q2 2016	177,200	$1,019	$5.44	$4.91 - $6.06
Q1 2016	174,200	$991	$5.06	$3.81 - $5.78
Q4 2015	141,800	$862	$5.64	$4.05 - $6.57
Q3 2015	141,800	$637	$4.58	$3.74 - $5.73
Q2 2015	123,900	$741	$6.72	$5.49 - $8.46
Q1 2015	154,300	$1,363	$7.58	$5.83 - $9.44
Q4 2014	150,700	$1,070	$6.46	$5.38 - $8.10
Q3 2014	146,700	$1,234	$9.21	$7.83 - $10.86
Q2 2014	125,900	$1,408	$8.60	$6.24 - $11.43
Q1 2014	97,500	$669	$5.44	$4.68 - $6.41
Q4 2013	68,000	$417	$4.97	$3.99 - $5.77
Q3 2013	59,900	$257	$4.00	$3.73 - $4.42
Q2 2013	70,900	$298	$3.93	$3.31 - $4.40