Howard Hughes Medical Institute’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$3.89K Buy
+31
New +$3.89K ﹤0.01% 379
2017
Q3
Sell
-1,150
Closed -$312K 43
2017
Q2
$312K Sell
1,150
-2,247
-66% -$610K 0.06% 110
2017
Q1
$929K Sell
3,397
-332
-9% -$90.8K 0.17% 74
2016
Q4
$1.06M Sell
3,729
-792
-18% -$224K 0.24% 69
2016
Q3
$1.42M Buy
4,521
+4,171
+1,192% +$1.31M 0.36% 58
2016
Q2
$85K Sell
350
-167
-32% -$40.6K 0.03% 134
2016
Q1
$135K Buy
+517
New +$135K 0.03% 126
2015
Q4
Sell
-696
Closed -$203K 171
2015
Q3
$203K Buy
+696
New +$203K 0.04% 120
2014
Q3
Sell
-143
Closed -$45K 180
2014
Q2
$45K Buy
+143
New +$45K 0.01% 145