Holocene Advisors’s Amkor Technology AMKR Stock Holding History

Holocene Advisors’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 Q1	$721K	Sell	16,018 -26,843	-63%	-$1.29M	﹤0.01%	702
2025 Q4	$1.69M	Sell	42,861 -52,960	-55%	-$1.88M	﹤0.01%	528
2025 Q3	$2.72M	Sell	95,821 -90,415	-49%	-$2.18M	0.01%	476
2025 Q2	$3.91M	Buy	186,236 +130,258	+233%	+$2.4M	0.01%	447
2025 Q1	$1.01M	Buy	+55,978	New	+$1.26M	﹤0.01%	626
2024 Q4	–	Sell	-36,791	Closed	-$1.13M	–	752
2024 Q3	$1.13M	Buy	+36,791	New	+$1.25M	﹤0.01%	606
2020 Q1	–	Sell	-79,656	Closed	-$1.04M	–	663
2019 Q4	$1.04M	Buy	79,656 +47,980	+151%	+$572K	0.01%	562
2019 Q3	$288K	Sell	31,676 -5,677	-15%	-$48.7K	﹤0.01%	650
2019 Q2	$279K	Buy	37,353 +3,466	+10%	+$27.1K	﹤0.01%	585
2019 Q1	$289K	Sell	33,887 -49,040	-59%	-$406K	﹤0.01%	551
2018 Q4	$544K	Buy	82,927 +72,613	+704%	+$479K	0.01%	403
2018 Q3	$76K	Buy	+10,314	New	+$87.6K	﹤0.01%	708
2018 Q2	–	Sell	-34,192	Closed	-$346K	–	570
2018 Q1	$346K	Sell	34,192 -4,451	-12%	-$46.3K	0.01%	368
2017 Q4	$388K	Buy	+38,643	New	+$414K	0.01%	483

Other funds holding AMKR

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Holocene Advisors's AMKR Position: Q1 2026 in Review

Holocene Advisors reduced its Amkor Technology (AMKR) stake by 63% in Q1 2026, selling an estimated $1.29M and leaving 16,018 shares worth $721K. The position accounts for ﹤0.01% of the portfolio, ranked #702.

Holocene Advisors first reported a position in AMKR in Q4 2017 and has held it in 14 quarters since. The position peaked at $3.91M in Q2 2025. 527 funds tracked by Wall St. Rank hold AMKR as of Q1 2026.

Holocene Advisors held 16,018 shares of Amkor Technology worth $721K as of Q1 2026.
Holocene Advisors sold 26,843 Amkor Technology shares in Q1 2026, an estimated $1.29M.
Amkor Technology made up ﹤0.01% of Holocene Advisors's portfolio in Q1 2026, its #702 holding.
Holocene Advisors first reported a position in Amkor Technology in Q4 2017 and has held it in 14 quarters since.
Holocene Advisors's Amkor Technology position peaked at $3.91M in Q2 2025.
527 funds tracked by Wall St. Rank held Amkor Technology as of Q1 2026.

Based on Holocene Advisors's 13F filing for Q1 2026, filed 15 May 2026.