ESCM
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Echo Street Capital Management’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2023
Q3
Sell
-1,887
Closed -$538K 466
2023
Q2
$538K Buy
1,887
+347
+23% +$98.8K ﹤0.01% 250
2023
Q1
$428K Sell
1,540
-3,406
-69% -$947K ﹤0.01% 296
2022
Q4
$1.37M Buy
4,946
+2,805
+131% +$777K 0.01% 123
2022
Q3
$572K Buy
+2,141
New +$572K 0.01% 244
2022
Q1
Sell
-6,888
Closed -$1.65M 614
2021
Q4
$1.65M Buy
6,888
+5,793
+529% +$1.39M 0.01% 178
2021
Q3
$310K Sell
1,095
-817
-43% -$231K ﹤0.01% 517
2021
Q2
$662K Sell
1,912
-658
-26% -$228K 0.01% 288
2021
Q1
$719K Buy
+2,570
New +$719K 0.01% 225
2020
Q3
Sell
-9,827
Closed -$2.63M 142
2020
Q2
$2.63M Buy
+9,827
New +$2.63M 0.03% 177