Marshall Wace North America’s Intuitive Surgical ISRG Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q3	$76M	Buy	229,467 +195,315	+572%	+$65.6M	0.33%	62
2021 Q2	$10.5M	Buy	+34,152	New	+$9.58M	0.04%	362
2021 Q1	–	Sell	-99,000	Closed	-$27M	–	1632
2020 Q4	$27M	Buy	99,000 +87,381	+752%	+$21.7M	0.12%	195
2020 Q3	$2.75M	Buy	+11,619	New	+$2.61M	0.02%	506
2020 Q1	–	Sell	-1,671	Closed	-$329K	–	1410
2019 Q4	$329K	Sell	1,671 -272,811	-99%	-$51.1M	﹤0.01%	882
2019 Q3	$49.4M	Sell	274,482 -134,079	-33%	-$23.2M	0.28%	95
2019 Q2	$71.4M	Sell	408,561 -125,481	-23%	-$21.5M	0.44%	59
2019 Q1	$102M	Buy	534,042 +187,527	+54%	+$33.3M	0.72%	34
2018 Q4	$55.3M	Buy	346,515 +143,199	+70%	+$24.3M	0.54%	56
2018 Q3	$38.9M	Buy	203,316 +63,186	+45%	+$11.2M	0.27%	91
2018 Q2	$22.4M	Buy	140,130 +16,296	+13%	+$2.49M	0.13%	191
2018 Q1	$17M	Buy	+123,834	New	+$17.3M	0.09%	269
2017 Q4	–	Sell	-36,936	Closed	-$4.29M	–	1481
2017 Q3	$4.29M	Buy	+36,936	New	+$4.02M	0.03%	589
2017 Q2	–	Sell	-112,743	Closed	-$9.6M	–	1369
2017 Q1	$9.6M	Buy	+112,743	New	+$8.91M	0.08%	280
2013 Q4	–	Sell	-64,125	Closed	-$2.68M	–	769
2013 Q3	$2.68M	Buy	+64,125	New	+$2.83M	0.08%	229