Boston Partners
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Boston Partners’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2022
Q1
Sell
-313,782
Closed -$75.3M 703
2021
Q4
$75.3M Sell
313,782
-18,807
-6% -$4.51M 0.09% 216
2021
Q3
$94.1M Buy
332,589
+11,506
+4% +$3.26M 0.12% 208
2021
Q2
$111M Buy
321,083
+15,047
+5% +$5.21M 0.14% 196
2021
Q1
$85.6M Buy
306,036
+13,221
+5% +$3.7M 0.11% 214
2020
Q4
$71.7M Buy
292,815
+950
+0.3% +$233K 0.11% 210
2020
Q3
$82.8M Sell
291,865
-12,909
-4% -$3.66M 0.15% 183
2020
Q2
$81.5M Sell
304,774
-34,640
-10% -$9.27M 0.15% 181
2020
Q1
$107M Sell
339,414
-1,061,842
-76% -$336M 0.21% 138
2019
Q4
$416M Sell
1,401,256
-111,192
-7% -$33M 0.55% 59
2019
Q3
$353M Sell
1,512,448
-57,411
-4% -$13.4M 0.48% 64
2019
Q2
$367M Buy
1,569,859
+647,141
+70% +$151M 0.48% 70
2019
Q1
$218M Buy
922,718
+746,711
+424% +$177M 0.29% 102
2018
Q4
$53M Buy
176,007
+3,920
+2% +$1.18M 0.08% 230
2018
Q3
$60.8M Sell
172,087
-90,040
-34% -$31.8M 0.07% 227
2018
Q2
$76.1M Buy
+262,127
New +$76.1M 0.09% 205