Marshall Wace’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	$690K	Buy	11,754 +4,842	+70%	+$243K	﹤0.01%	2311
2025 Q4	$271K	Buy	+6,912	New	+$216K	﹤0.01%	2491
2025 Q3	–	Sell	-521,608	Closed	-$9.4M	–	2945
2025 Q2	$9.4M	Buy	+521,608	New	+$8.86M	0.01%	859
2025 Q1	–	Sell	-17,194	Closed	-$313K	–	2667
2024 Q4	$313K	Buy	+17,194	New	+$338K	﹤0.01%	2222
2024 Q3	–	Sell	-104,840	Closed	-$1.76M	–	2553
2024 Q2	$1.76M	Buy	+104,840	New	+$1.78M	﹤0.01%	1440
2024 Q1	–	Sell	-745,950	Closed	-$9.06M	–	2477
2023 Q4	$9.06M	Buy	745,950 +595,191	+395%	+$4.67M	0.02%	719
2023 Q3	$1.08M	Buy	+150,759	New	+$1.21M	﹤0.01%	1471
2023 Q1	–	Sell	-17,490	Closed	-$143K	–	2723
2022 Q4	$143K	Buy	+17,490	New	+$132K	﹤0.01%	2745
2015 Q2	–	Sell	-62,425	Closed	-$861K	–	912
2015 Q1	$861K	Buy	+62,425	New	+$1.26M	0.01%	599
2014 Q4	–	Sell	-84,260	Closed	-$2.19M	–	831
2014 Q3	$2.19M	Buy	84,260 +29,154	+53%	+$642K	0.03%	430
2014 Q2	$864K	Sell	55,106 -84,152	-60%	-$1.19M	0.01%	527
2014 Q1	$1.84M	Buy	+139,258	New	+$1.62M	0.03%	369