William Blair Investment Management’s Pacific Biosciences PACB Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2022 Q1	–	Sell	-5,469,636	Closed	-$112M	–	452
2021 Q4	$112M	Buy	5,469,636 +1,374,633	+34%	+$28.1M	0.3%	108
2021 Q3	$105M	Buy	+4,095,003	New	+$105M	0.3%	106