Aigen Investment Management’s Century Aluminum CENX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$294K	Buy	+5,014	New	+$251K	0.08%	333
2025 Q3	–	Sell	-11,792	Closed	-$212K	–	825
2025 Q2	$212K	Buy	+11,792	New	+$200K	0.03%	643
2025 Q1	–	Sell	-17,143	Closed	-$312K	–	788
2024 Q4	$312K	Buy	+17,143	New	+$337K	0.06%	467
2024 Q3	–	Sell	-16,574	Closed	-$278K	–	765
2024 Q2	$278K	Buy	+16,574	New	+$282K	0.05%	505
2022 Q3	–	Sell	-14,175	Closed	-$104K	–	599
2022 Q2	$104K	Buy	14,175 +6,483	+84%	+$101K	0.02%	483
2022 Q1	$202K	Buy	+7,692	New	+$162K	0.03%	466
2020 Q4	–	Sell	-11,834	Closed	-$84K	–	802
2020 Q3	$84K	Buy	+11,834	New	+$103K	0.01%	736
2020 Q1	–	Sell	-37,032	Closed	-$278K	–	1293
2019 Q4	$278K	Buy	+37,032	New	+$257K	0.05%	462