A.R.T. Advisors’s AC Immune ACIU Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2019 Q3	–	Sell	-30,985	Closed	-$172K	–	1395
2019 Q2	$172K	Sell	30,985 -24,248	-44%	-$135K	0.01%	1128
2019 Q1	$279K	Buy	55,233 +36,201	+190%	+$183K	0.02%	962
2018 Q4	$180K	Buy	+19,032	New	+$180K	0.01%	1087