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

Marshall Wace’s Portfolio IBB Stock Details IBB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$220K Buy
1,300
+1,000
+333% +$171K ﹤0.01% 2756
2025
Q4 		$50.6K Sell
300
-33,000
-99% -$5.36M ﹤0.01% 2778
2025
Q3 		$4.81M Buy
+33,300
New +$4.55M ﹤0.01% 1197
2024
Q4 		– Sell
-2,200
Closed -$320K – 2764
2024
Q3 		$320K Sell
2,200
-29,700
-93% -$4.3M ﹤0.01% 2108
2024
Q2 		$4.38M Buy
31,900
+29,400
+1,176% +$3.92M 0.01% 1054
2024
Q1 		$339K Buy
+2,500
New +$341K ﹤0.01% 2072
2022
Q4 		– Sell
-2,700
Closed -$316K – 3150
2022
Q3 		$316K Sell
2,700
-4,300
-61% -$534K ﹤0.01% 2931
2022
Q2 		$823K Buy
+7,000
New +$831K ﹤0.01% 2548
2021
Q4 		– Sell
-2,200
Closed -$356K – 4042
2021
Q3 		$356K Sell
2,200
-21,800
-91% -$3.67M ﹤0.01% 2570
2021
Q2 		$3.93M Buy
+24,000
New +$3.7M 0.02% 989
2021
Q1 		– Sell
-186,000
Closed -$28.2M – 2644
2020
Q4 		$28.2M Buy
+186,000
New +$26.6M 0.15% 131

Other funds holding IBB

Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Citigroup
Citigroup New York $235B AUM 32.99% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return
CB
Commerce Bank Kansas City, Missouri $20.7B AUM 23.76% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return