A.R.T. Advisors’s Octave Specialty Group OSG Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q1	–	Sell	-13,887	Closed	-$300K	–	86
2019 Q4	$300K	Sell	13,887 -35,400	-72%	-$726K	0.01%	1026
2019 Q3	$964K	Buy	+49,287	New	+$905K	0.05%	570
2019 Q1	–	Sell	-25,090	Closed	-$433K	–	1283
2018 Q4	$433K	Sell	25,090 -1,300	-5%	-$23.9K	0.03%	787
2018 Q3	$538K	Buy	+26,390	New	+$551K	0.02%	826
2017 Q2	–	Sell	-31,530	Closed	-$594K	–	1375
2017 Q1	$594K	Buy	+31,530	New	+$663K	0.03%	750
2016 Q1	–	Sell	-27,320	Closed	-$384K	–	1330
2015 Q4	$384K	Sell	27,320 -22,438	-45%	-$345K	0.02%	968
2015 Q3	$719K	Buy	49,758 +17,447	+54%	+$283K	0.03%	746
2015 Q2	$537K	Buy	32,311 +5,373	+20%	+$127K	0.02%	964
2015 Q1	$651K	Buy	+26,938	New	+$685K	0.02%	820
2014 Q4	–	Sell	-31,142	Closed	-$688K	–	1399
2014 Q3	$688K	Sell	31,142 -44,038	-59%	-$1.04M	0.03%	630
2014 Q2	$2.05M	Buy	+75,180	New	+$2.18M	0.11%	277
2013 Q4	–	Sell	-44,536	Closed	-$807K	–	1253
2013 Q3	$807K	Buy	+44,536	New	+$1.01M	0.04%	590