RTW Investments’s 908 Devices MASS Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2023 Q1	–	Sell	-312,000	Closed	-$2.38M	–	68
2022 Q4	$2.38M	Hold	312,000	–	–	0.05%	71
2022 Q3	$5.13M	Sell	312,000 -200,957	-39%	-$3.31M	0.12%	66
2022 Q2	$10.6M	Buy	512,957 +472,957	+1,182%	+$9.74M	0.27%	54
2022 Q1	$760K	Hold	40,000	–	–	0.02%	100
2021 Q4	$1.04M	Hold	40,000	–	–	0.02%	118
2021 Q3	$1.3M	Hold	40,000	–	–	0.02%	115
2021 Q2	$1.55M	Hold	40,000	–	–	0.02%	109
2021 Q1	$1.94M	Hold	40,000	–	–	0.03%	104
2020 Q4	$2.28M	Buy	+40,000	New	+$2.28M	0.04%	92