A.R.T. Advisors’s Boston Properties BXP Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q3	–	Sell	-3,300	Closed	-$298K	–	99
2020 Q2	$298K	Sell	3,300 -1,300	-28%	-$118K	0.45%	85
2020 Q1	$424K	Sell	4,600 -1,100	-19%	-$142K	7.43%	3
2019 Q4	$786K	Sell	5,700 -14,100	-71%	-$1.9M	0.04%	659
2019 Q3	$2.57M	Sell	19,800 -4,400	-18%	-$572K	0.13%	205
2019 Q2	$3.12M	Sell	24,200 -2,700	-10%	-$363K	0.18%	135
2019 Q1	$3.6M	Buy	26,900 +22,200	+472%	+$2.85M	0.22%	110
2018 Q4	$529K	Sell	4,700 -11,300	-71%	-$1.37M	0.03%	703
2018 Q3	$1.97M	Sell	16,000 -12,000	-43%	-$1.53M	0.09%	300
2018 Q2	$3.51M	Buy	+28,000	New	+$3.4M	0.14%	192
2017 Q4	–	Sell	-9,400	Closed	-$1.15M	–	1386
2017 Q3	$1.15M	Sell	9,400 -22,500	-71%	-$2.72M	0.06%	474
2017 Q2	$3.92M	Buy	+31,900	New	+$4.03M	0.21%	106
2016 Q3	–	Sell	-42,297	Closed	-$5.58M	–	698
2016 Q2	$5.58M	Buy	42,297 +18,272	+76%	+$2.35M	0.28%	67
2016 Q1	$3.05M	Sell	24,025 -34,300	-59%	-$4.07M	0.14%	212
2015 Q4	$7.44M	Buy	58,325 +19,870	+52%	+$2.47M	0.35%	42
2015 Q3	$4.55M	Buy	+38,455	New	+$4.6M	0.17%	154