American Century Companies’s Amkor Technology AMKR Stock Holding History

American Century Companies’s Portfolio AMKR Stock Details AMKR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$91M	Sell	1,055,656 -1,657,604	-61%	-$118M	0.04%	551
2026 Q1	$122M	Sell	2,713,260 -863,628	-24%	-$41.4M	0.06%	346
2025 Q4	$141M	Sell	3,576,888 -259,099	-7%	-$9.22M	0.07%	281
2025 Q3	$109M	Buy	3,835,987 +17,656	+0.5%	+$425K	0.06%	367
2025 Q2	$80.1M	Buy	3,818,331 +880,738	+30%	+$16.3M	0.04%	459
2025 Q1	$53.1M	Buy	2,937,593 +228,591	+8%	+$5.16M	0.03%	582
2024 Q4	$69.6M	Buy	2,709,002 +530,771	+24%	+$14.6M	0.04%	476
2024 Q3	$66.7M	Buy	2,178,231 +504,917	+30%	+$17.2M	0.04%	484
2024 Q2	$67M	Buy	1,673,314 +589,530	+54%	+$19.5M	0.04%	457
2024 Q1	$34.9M	Sell	1,083,784 -1,980	-0.2%	-$62.8K	0.02%	710
2023 Q4	$36.1M	Sell	1,085,764 -78,205	-7%	-$2.06M	0.02%	636
2023 Q3	$26.3M	Buy	1,163,969 +21,196	+2%	+$559K	0.02%	706
2023 Q2	$34M	Sell	1,142,773 -150,224	-12%	-$3.65M	0.03%	573
2023 Q1	$33.6M	Buy	1,292,997 +489,349	+61%	+$13.4M	0.03%	547
2022 Q4	$19.3M	Buy	803,648 +62,130	+8%	+$1.44M	0.02%	731
2022 Q3	$12.6M	Buy	741,518 +88,076	+13%	+$1.69M	0.01%	805
2022 Q2	$11.1M	Buy	653,442 +277,379	+74%	+$5.27M	0.01%	873
2022 Q1	$8.17M	Buy	376,063 +73,625	+24%	+$1.67M	0.01%	969
2021 Q4	$7.5M	Buy	302,438 +75,772	+33%	+$1.76M	﹤0.01%	957
2021 Q3	$5.66M	Buy	226,666 +29,123	+15%	+$743K	﹤0.01%	998
2021 Q2	$4.68M	Buy	197,543 +47,045	+31%	+$1.05M	﹤0.01%	1003
2021 Q1	$3.57M	Buy	150,498 +12,288	+9%	+$251K	﹤0.01%	1025
2020 Q4	$2.08M	Buy	138,210 +24,788	+22%	+$338K	﹤0.01%	1068
2020 Q3	$1.27M	Buy	113,422 +19,962	+21%	+$247K	﹤0.01%	1076
2020 Q2	$1.15M	Buy	93,460 +38,482	+70%	+$397K	﹤0.01%	1044
2020 Q1	$428K	Buy	54,978 +43,238	+368%	+$470K	﹤0.01%	1201
2019 Q4	$153K	Sell	11,740 -13,891	-54%	-$166K	﹤0.01%	1432
2019 Q3	$233K	Sell	25,631 -11,519	-31%	-$98.8K	﹤0.01%	1161
2019 Q2	$277K	Buy	+37,150	New	+$291K	﹤0.01%	1197
2018 Q4	–	Sell	-362,239	Closed	-$2.68M	–	1232
2018 Q3	$2.68M	Sell	362,239 -99,017	-21%	-$841K	﹤0.01%	978
2018 Q2	$3.96M	Buy	461,256 +3,827	+0.8%	+$34.9K	﹤0.01%	893
2018 Q1	$4.63M	Buy	457,429 +7,290	+2%	+$75.9K	﹤0.01%	853
2017 Q4	$4.52M	Sell	450,139 -18,824	-4%	-$201K	﹤0.01%	866
2017 Q3	$4.95M	Sell	468,963 -116,834	-20%	-$1.12M	0.01%	853
2017 Q2	$5.72M	Sell	585,797 -109,466	-16%	-$1.24M	0.01%	827
2017 Q1	$8.06M	Buy	695,263 +256,709	+59%	+$2.65M	0.01%	733
2016 Q4	$4.63M	Buy	+438,554	New	+$4.67M	0.01%	877
2015 Q3	–	Sell	-124,579	Closed	-$745K	–	1335
2015 Q2	$745K	Sell	124,579 -234,287	-65%	-$1.69M	﹤0.01%	1184
2015 Q1	$3.17M	Sell	358,866 -78,168	-18%	-$635K	﹤0.01%	965
2014 Q4	$3.1M	Sell	437,034 -160	-0%	-$1.11K	﹤0.01%	986
2014 Q3	$3.68M	Buy	+437,194	New	+$4.32M	﹤0.01%	953

Other funds holding AMKR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

American Century Companies's AMKR Position: Q2 2026 in Review

American Century Companies reduced its Amkor Technology (AMKR) stake by 61% in Q2 2026, selling an estimated $118M and leaving 1,055,656 shares worth $91M. The position accounts for 0.04% of the portfolio, ranked #551.

American Century Companies first reported a position in AMKR in Q3 2014 and has held it in 41 quarters since. The position peaked at $141M in Q4 2025. 645 funds tracked by Wall St. Rank hold AMKR as of Q2 2026.

American Century Companies held 1,055,656 shares of Amkor Technology worth $91M as of Q2 2026.
American Century Companies sold 1,657,604 Amkor Technology shares in Q2 2026, an estimated $118M.
Amkor Technology made up 0.04% of American Century Companies's portfolio in Q2 2026, its #551 holding.
American Century Companies first reported a position in Amkor Technology in Q3 2014 and has held it in 41 quarters since.
American Century Companies's Amkor Technology position peaked at $141M in Q4 2025.
645 funds tracked by Wall St. Rank held Amkor Technology as of Q2 2026.

Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.