AMKOR TECHNOLOGY INC

Ticker: AMKR CUSIP: 031652100 Class: Common Stock

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

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

Q4 2025

Shares 932,711 Value ($000) $36,823 Avg Close $35.54 Range $28.11 - $47.28

Q3 2025

Shares 337,971 Value ($000) $9,598 Avg Close $23.96 Range $20.48 - $30.29

Q2 2025

Shares 524,025 Value ($000) $10,999 Avg Close $18.29 Range $13.89 - $21.19

Q1 2025

Shares 243,721 Value ($000) $4,402 Avg Close $22.28 Range $17.44 - $27.31

Q4 2024

Shares 237,152 Value ($000) $6,092 Avg Close $26.77 Range $23.33 - $30.71

Q3 2024

Shares 160,979 Value ($000) $4,926 Avg Close $32.91 Range $25.69 - $43.32

Q2 2024

Shares 168,699 Value ($000) $6,751 Avg Close $31.93 Range $27.12 - $39.53

Q1 2024

Shares 115,539 Value ($000) $3,725 Avg Close $30.50 Range $27.72 - $35.56

Q4 2023

Shares 189,660 Value ($000) $6,310 Avg Close $25.22 Range $16.85 - $33.10

Q3 2023

Shares 312,118 Value ($000) $7,054 Avg Close $25.22 Range $20.83 - $28.77

Q2 2023

Shares 87,467 Value ($000) $2,602 Avg Close $23.21 Range $19.46 - $28.92

Q1 2023

Shares 263,403 Value ($000) $6,854 Avg Close $26.02 Range $22.73 - $29.82

Q4 2022

Shares 75,940 Value ($000) $1,821 Avg Close $21.98 Range $15.71 - $27.58

Q3 2022

Shares 196,335 Value ($000) $3,348 Avg Close $18.20 Range $14.08 - $21.90

Q2 2022

Shares 144,698 Value ($000) $2,453 Avg Close $17.93 Range $15.37 - $20.90

Q1 2022

Shares 78,043 Value ($000) $1,695 Avg Close $21.32 Range $18.61 - $25.07

Q4 2021

Shares 114,451 Value ($000) $2,837 Avg Close $21.87 Range $19.83 - $24.52

Q3 2021

Shares 48,168 Value ($000) $1,202 Avg Close $23.93 Range $19.34 - $27.70

Q2 2021

Shares 34,230 Value ($000) $810 Avg Close $20.84 Range $16.88 - $25.74

Q1 2021

Shares 100,618 Value ($000) $2,386 Avg Close $19.14 Range $13.85 - $24.36

Q4 2020

Shares 61,656 Value ($000) $930 Avg Close $12.70 Range $10.09 - $14.70

Q3 2020

Shares 54,097 Value ($000) $606 Avg Close $11.54 Range $9.98 - $14.72

Q2 2020

Shares 746,971 Value ($000) $9,195 Avg Close $9.62 Range $6.65 - $12.20

Q1 2020

Shares 1,445,179 Value ($000) $11,258 Avg Close $10.13 Range $5.03 - $13.81

Q4 2019

Shares 742,043 Value ($000) $9,647 Avg Close $11.12 Range $8.40 - $14.21

Q3 2019

Shares 753,944 Value ($000) $6,861 Avg Close $7.99 Range $6.78 - $9.12

Q2 2019

Shares 519,251 Value ($000) $3,874 Avg Close $7.29 Range $5.97 - $9.08

Q1 2019

Shares 295,424 Value ($000) $2,523 Avg Close $7.71 Range $5.86 - $8.92

Q4 2018

Shares 686,419 Value ($000) $4,503 Avg Close $6.15 Range $5.33 - $7.05

Q3 2018

Shares 502,634 Value ($000) $3,714 Avg Close $7.92 Range $6.80 - $8.76

Q2 2018

Shares 791,131 Value ($000) $6,795 Avg Close $8.50 Range $7.63 - $9.77

Q1 2018

Shares 49,707 Value ($000) $504 Avg Close $9.70 Range $8.20 - $10.88

Q4 2017

Shares 52,385 Value ($000) $526 Avg Close $9.97 Range $9.24 - $11.07

Q3 2017

Shares 112,315 Value ($000) $1,185 Avg Close $8.92 Range $7.75 - $10.48

Q2 2017

Shares 245,541 Value ($000) $2,399 Avg Close $10.55 Range $8.97 - $11.63

Q1 2017

Shares 527,285 Value ($000) $6,111 Avg Close $9.61 Range $8.43 - $10.85

Q4 2016

Shares 1,566,023 Value ($000) $16,522 Avg Close $9.93 Range $8.41 - $11.63

Q3 2016

Shares 947,227 Value ($000) $9,207 Avg Close $7.46 Range $5.13 - $9.17

Q2 2016

Shares 186,879 Value ($000) $1,074 Avg Close $5.44 Range $4.91 - $6.06

Q1 2016

Shares 272,726 Value ($000) $1,606 Avg Close $5.06 Range $3.81 - $5.78

Q4 2015

Shares 206,321 Value ($000) $1,255 Avg Close $5.64 Range $4.05 - $6.57

Q3 2015

Shares 506,997 Value ($000) $2,277 Avg Close $4.58 Range $3.74 - $5.73

Q2 2015

Shares 473,667 Value ($000) $2,833 Avg Close $6.72 Range $5.49 - $8.46

Q1 2015

Shares 124,741 Value ($000) $1,102 Avg Close $7.58 Range $5.83 - $9.44

Q4 2014

Shares 105,807 Value ($000) $751 Avg Close $6.46 Range $5.38 - $8.10

Q3 2014

Shares 268,959 Value ($000) $2,262 Avg Close $9.21 Range $7.83 - $10.86

Q2 2014

Shares 33,423 Value ($000) $374 Avg Close $8.60 Range $6.24 - $11.43

Q1 2014

Shares 10,460 Value ($000) $72 Avg Close $5.44 Range $4.68 - $6.41

Q4 2013

Shares 19,092 Value ($000) $117 Avg Close $4.97 Range $3.99 - $5.77

Q3 2013

Shares 119,465 Value ($000) $513 Avg Close $4.00 Range $3.73 - $4.42

Q2 2013

Shares 64,413 Value ($000) $271 Avg Close $3.93 Range $3.31 - $4.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	932,711	$36,823	$35.54	$28.11 - $47.28
Q3 2025	337,971	$9,598	$23.96	$20.48 - $30.29
Q2 2025	524,025	$10,999	$18.29	$13.89 - $21.19
Q1 2025	243,721	$4,402	$22.28	$17.44 - $27.31
Q4 2024	237,152	$6,092	$26.77	$23.33 - $30.71
Q3 2024	160,979	$4,926	$32.91	$25.69 - $43.32
Q2 2024	168,699	$6,751	$31.93	$27.12 - $39.53
Q1 2024	115,539	$3,725	$30.50	$27.72 - $35.56
Q4 2023	189,660	$6,310	$25.22	$16.85 - $33.10
Q3 2023	312,118	$7,054	$25.22	$20.83 - $28.77
Q2 2023	87,467	$2,602	$23.21	$19.46 - $28.92
Q1 2023	263,403	$6,854	$26.02	$22.73 - $29.82
Q4 2022	75,940	$1,821	$21.98	$15.71 - $27.58
Q3 2022	196,335	$3,348	$18.20	$14.08 - $21.90
Q2 2022	144,698	$2,453	$17.93	$15.37 - $20.90
Q1 2022	78,043	$1,695	$21.32	$18.61 - $25.07
Q4 2021	114,451	$2,837	$21.87	$19.83 - $24.52
Q3 2021	48,168	$1,202	$23.93	$19.34 - $27.70
Q2 2021	34,230	$810	$20.84	$16.88 - $25.74
Q1 2021	100,618	$2,386	$19.14	$13.85 - $24.36
Q4 2020	61,656	$930	$12.70	$10.09 - $14.70
Q3 2020	54,097	$606	$11.54	$9.98 - $14.72
Q2 2020	746,971	$9,195	$9.62	$6.65 - $12.20
Q1 2020	1,445,179	$11,258	$10.13	$5.03 - $13.81
Q4 2019	742,043	$9,647	$11.12	$8.40 - $14.21
Q3 2019	753,944	$6,861	$7.99	$6.78 - $9.12
Q2 2019	519,251	$3,874	$7.29	$5.97 - $9.08
Q1 2019	295,424	$2,523	$7.71	$5.86 - $8.92
Q4 2018	686,419	$4,503	$6.15	$5.33 - $7.05
Q3 2018	502,634	$3,714	$7.92	$6.80 - $8.76
Q2 2018	791,131	$6,795	$8.50	$7.63 - $9.77
Q1 2018	49,707	$504	$9.70	$8.20 - $10.88
Q4 2017	52,385	$526	$9.97	$9.24 - $11.07
Q3 2017	112,315	$1,185	$8.92	$7.75 - $10.48
Q2 2017	245,541	$2,399	$10.55	$8.97 - $11.63
Q1 2017	527,285	$6,111	$9.61	$8.43 - $10.85
Q4 2016	1,566,023	$16,522	$9.93	$8.41 - $11.63
Q3 2016	947,227	$9,207	$7.46	$5.13 - $9.17
Q2 2016	186,879	$1,074	$5.44	$4.91 - $6.06
Q1 2016	272,726	$1,606	$5.06	$3.81 - $5.78
Q4 2015	206,321	$1,255	$5.64	$4.05 - $6.57
Q3 2015	506,997	$2,277	$4.58	$3.74 - $5.73
Q2 2015	473,667	$2,833	$6.72	$5.49 - $8.46
Q1 2015	124,741	$1,102	$7.58	$5.83 - $9.44
Q4 2014	105,807	$751	$6.46	$5.38 - $8.10
Q3 2014	268,959	$2,262	$9.21	$7.83 - $10.86
Q2 2014	33,423	$374	$8.60	$6.24 - $11.43
Q1 2014	10,460	$72	$5.44	$4.68 - $6.41
Q4 2013	19,092	$117	$4.97	$3.99 - $5.77
Q3 2013	119,465	$513	$4.00	$3.73 - $4.42
Q2 2013	64,413	$271	$3.93	$3.31 - $4.40