Quantitative 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
2021 Q1	–	Sell	-22,258	Closed	-$245K	–	516
2020 Q4	$245K	Buy	+22,258	New	+$202K	0.02%	411
2019 Q1	–	Sell	-29,600	Closed	-$216K	–	669
2018 Q4	$216K	Buy	+29,600	New	+$268K	0.01%	488
2018 Q2	–	Sell	-241,100	Closed	-$3.99M	–	745
2018 Q1	$3.99M	Buy	+241,100	New	+$5.04M	0.07%	319
2017 Q4	–	Sell	-99,800	Closed	-$1.65M	–	768
2017 Q3	$1.65M	Buy	+99,800	New	+$1.72M	0.02%	525
2017 Q1	–	Sell	-324,900	Closed	-$2.78M	–	706
2016 Q4	$2.78M	Buy	+324,900	New	+$2.78M	0.07%	404
2016 Q2	–	Sell	-103,300	Closed	-$728K	–	760
2016 Q1	$728K	Buy	103,300 +64,400	+166%	+$357K	0.04%	471
2015 Q4	$171K	Sell	38,900 -62,900	-62%	-$270K	0.01%	649
2015 Q3	$468K	Buy	+101,800	New	+$710K	0.04%	455
2014 Q4	–	Sell	-27,600	Closed	-$716K	–	486
2014 Q3	$716K	Buy	+27,600	New	+$608K	0.14%	132
2014 Q1	–	Sell	-19,200	Closed	-$200K	–	556
2013 Q4	$200K	Buy	+19,200	New	+$171K	0.02%	519
2013 Q3	–	Sell	-16,600	Closed	-$154K	–	546
2013 Q2	$154K	Buy	+16,600	New	+$143K	0.03%	408