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Spark Investment Management’s ACM Research ACMR Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2019 Q2	–	Sell	-18,600	Closed	-$286K	–	553
2019 Q1	$286K	Buy	18,600 +5,400	+41%	+$83K	0.01%	458
2018 Q4	$143K	Buy	+13,200	New	+$143K	0.01%	532