Marshall Wace
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Marshall Wace’s iShares Biotechnology ETF IBB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$145K Buy
+1,147
New +$145K ﹤0.01% 2358
2024
Q4
Hold
0
2565
2024
Q3
Sell
-18,089
Closed -$2.48M 2496
2024
Q2
$2.48M Buy
+18,089
New +$2.48M ﹤0.01% 1155
2024
Q1
Hold
0
2296
2023
Q3
Sell
-42,611
Closed -$5.41M 2071
2023
Q2
$5.41M Buy
42,611
+24,324
+133% +$3.09M 0.01% 845
2023
Q1
$2.36M Sell
18,287
-60,294
-77% -$7.79M 0.01% 1107
2022
Q4
$10.3M Buy
78,581
+63,745
+430% +$8.37M 0.02% 678
2022
Q3
$1.74M Buy
14,836
+8,132
+121% +$951K ﹤0.01% 1605
2022
Q2
$788K Buy
+6,704
New +$788K ﹤0.01% 1975
2021
Q4
Hold
0
3341
2021
Q3
Sell
-796
Closed -$130K 2589
2021
Q2
$130K Buy
+796
New +$130K ﹤0.01% 1993
2021
Q1
Hold
0
2291
2020
Q4
Hold
0
1872
2019
Q4
Sell
-1,294
Closed -$129K 1823
2019
Q3
$129K Buy
+1,294
New +$129K ﹤0.01% 1315
2017
Q3
Sell
-6,326
Closed -$1.96M 375
2017
Q2
$1.96M Buy
+6,326
New +$1.96M 0.09% 145
2017
Q1
Sell
-5,735
Closed -$1.52M 509
2016
Q4
$1.52M Buy
+5,735
New +$1.52M 0.01% 692