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Marshall Wace’s
Cytek Biosciences
CTKB
Stock Holding History
Marshall Wace’s Portfolio
CTKB Stock Details
CTKB Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2025
Q4
–
Sell
-134,286
Closed
-$466K
–
3046
2025
Q3
$466K
Sell
134,286
-127,066
-49%
-$477K
﹤0.01%
2258
2025
Q2
$889K
Buy
+261,352
New
+$871K
﹤0.01%
1905
2024
Q2
–
Sell
-68,591
Closed
-$460K
–
2626
2024
Q1
$460K
Buy
+68,591
New
+$543K
﹤0.01%
1959
2022
Q3
–
Sell
-54,096
Closed
-$582K
–
3434
2022
Q2
$582K
Buy
+54,096
New
+$538K
﹤0.01%
2723
2022
Q1
–
Sell
-7,160
Closed
-$117K
–
3477
2021
Q4
$117K
Buy
+7,160
New
+$150K
﹤0.01%
3343
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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