Aigen Investment Management’s United Microelectronic UMC Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-53,905	Closed	-$409K	–	994
2025 Q3	$409K	Buy	+53,905	New	+$382K	0.06%	454
2025 Q1	–	Sell	-204,666	Closed	-$1.33M	–	1046
2024 Q4	$1.33M	Buy	+204,666	New	+$1.47M	0.23%	121
2024 Q1	–	Sell	-22,769	Closed	-$193K	–	1023
2023 Q4	$193K	Buy	+22,769	New	+$174K	0.03%	674
2022 Q3	–	Sell	-90,386	Closed	-$612K	–	773
2022 Q2	$612K	Buy	90,386 +43,820	+94%	+$359K	0.1%	266
2022 Q1	$425K	Buy	46,566 +8,373	+22%	+$83K	0.07%	309
2021 Q4	$454K	Sell	38,193 -157,074	-80%	-$1.75M	0.03%	661
2021 Q3	$2.23M	Buy	195,267 +158,235	+427%	+$1.7M	0.43%	62
2021 Q2	$350K	Sell	37,032 -116,795	-76%	-$1.09M	0.06%	295
2021 Q1	$1.4M	Buy	+153,827	New	+$1.42M	0.19%	131