Aperio Group’s Biogen BIIB Stock Holding History

Aperio Group’s Portfolio BIIB Stock Details BIIB Fund Activity

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2020 Q4	$35.7M	Sell	145,780 -47,734	-25%	-$11.7M	0.11%	187
2020 Q3	$54.9M	Sell	193,514 -16,716	-8%	-$4.74M	0.19%	96
2020 Q2	$56.2M	Sell	210,230 -20,855	-9%	-$5.58M	0.21%	91
2020 Q1	$73.1M	Buy	231,085 +20,614	+10%	+$6.52M	0.32%	57
2019 Q4	$62.5M	Sell	210,471 -7,336	-3%	-$2.18M	0.22%	85
2019 Q3	$50.7M	Buy	217,807 +84,560	+63%	+$19.7M	0.2%	97
2019 Q2	$31.2M	Sell	133,247 -34,222	-20%	-$8M	0.13%	176
2019 Q1	$39.6M	Buy	167,469 +6,990	+4%	+$1.65M	0.17%	125
2018 Q4	$48.3M	Buy	160,479 +141	+0.1%	+$42.4K	0.24%	81
2018 Q3	$56.6M	Buy	160,338 +8,256	+5%	+$2.92M	0.25%	81
2018 Q2	$44.1M	Buy	152,082 +30,124	+25%	+$8.74M	0.21%	101
2018 Q1	$33.4M	Sell	121,958 -4,590	-4%	-$1.26M	0.17%	140
2017 Q4	$40.3M	Buy	126,548 +18,780	+17%	+$5.98M	0.2%	105
2017 Q3	$33.7M	Buy	107,768 +12,007	+13%	+$3.76M	0.19%	115
2017 Q2	$26M	Sell	95,761 -151	-0.2%	-$41K	0.16%	146
2017 Q1	$26.2M	Buy	95,912 +2,498	+3%	+$683K	0.18%	128
2016 Q4	$26.5M	Sell	93,414 -1,403	-1%	-$398K	0.2%	106
2016 Q3	$29.7M	Buy	94,817 +5,454	+6%	+$1.71M	0.21%	105
2016 Q2	$21.6M	Buy	89,363 +2,152	+2%	+$520K	0.17%	142
2016 Q1	$22.7M	Sell	87,211 -1,896	-2%	-$494K	0.19%	125
2015 Q4	$27.3M	Buy	89,107 +6,423	+8%	+$1.97M	0.25%	88
2015 Q3	$24.1M	Buy	82,684 +418	+0.5%	+$122K	0.25%	92
2015 Q2	$33.2M	Buy	82,266 +4,556	+6%	+$1.84M	0.34%	58
2015 Q1	$32.8M	Buy	77,710 +7,338	+10%	+$3.1M	0.37%	50
2014 Q4	$23.9M	Buy	70,372 +3,310	+5%	+$1.12M	0.29%	70
2014 Q3	$22.2M	Buy	67,062 +6,248	+10%	+$2.07M	0.3%	68
2014 Q2	$19.2M	Buy	60,814 +935	+2%	+$295K	0.28%	73
2014 Q1	$18.3M	Buy	+59,879	New	+$18.3M	0.26%	69
2013 Q4	–	Sell	-49,697	Closed	-$12M	–	80
2013 Q3	$12M	Buy	49,697 +6,403	+15%	+$1.54M	0.23%	90
2013 Q2	$9.32M	Buy	+43,294	New	+$9.32M	0.22%	93