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Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

CTKB holding history

Cytek Biosciences, Inc. in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CTKB overviewAll 13F holders of CTKBFull Q2 2026 holdings

Shares (Q2 2026)
661,300
Value
$2.93M
% of portfolio
<0.1%
Quarters held
16
Since Q4 2021
Holdings of CTKB by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026661,300$2.93M<0.1%−15,400−2.3%ReducedHolders
Q1 2026676,700$2.96M<0.1%+1,700+0.3%AddedHolders
Q4 2025675,000$3.41M<0.1%−120,544−15.2%ReducedHolders
Q3 2025795,544$2.76M<0.1%−267,595−25.2%ReducedHolders
Q2 20251,063,139$3.61M<0.1%+375,539+54.6%AddedHolders
Q1 2025687,600$2.76M<0.1%+225,000+48.6%AddedHolders
Q4 2024462,600$3.00M<0.1%+251,000+118.6%AddedHolders
Q3 2024211,600$1.17M<0.1%−22,300−9.5%ReducedHolders
Q2 2024233,900$1.31M<0.1%+233,900NewHolders
Q4 20230$00.0%−296,900−100.0%Sold outHolders
Q3 2023296,900$1.64M<0.1%+296,900NewHolders
Q2 20230$00.0%−353,500−100.0%Sold outHolders
Q1 2023353,500$3.25M<0.1%−38,300−9.8%ReducedHolders
Q4 2022391,800$4.00M<0.1%+179,900+84.9%AddedHolders
Q3 2022211,900$3.12M<0.1%+49,000+30.1%AddedHolders
Q2 2022162,900$1.75M<0.1%+108,600+200.0%AddedHolders
Q1 202254,300$585.0K<0.1%−54,700−50.2%ReducedHolders
Q4 2021109,000$1.78M<0.1%+109,000NewHolders