D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
CTKB holding history
Cytek Biosciences, Inc. in every 13F filed by D. E. Shaw & Co., Inc., 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)
- 669,182
- Value
- $2.96M
- % of portfolio
- <0.1%
- Quarters held
- 10
- Since Q4 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 669,182 | $2.96M | <0.1% | +409,057+157.3% | Added | Holders |
| Q1 2026 | 260,125 | $1.14M | <0.1% | −3,001−1.1% | Reduced | Holders |
| Q4 2025 | 263,126 | $1.33M | <0.1% | +142,104+117.4% | Added | Holders |
| Q3 2025 | 121,022 | $419.9K | <0.1% | +121,022 | New | Holders |
| Q2 2023 | 0 | $0 | 0.0% | −133,249−100.0% | Sold out | Holders |
| Q1 2023 | 133,249 | $1.22M | <0.1% | −56,430−29.8% | Reduced | Holders |
| Q4 2022 | 189,679 | $1.94M | <0.1% | +102,166+116.7% | Added | Holders |
| Q3 2022 | 87,513 | $1.29M | <0.1% | −123,289−58.5% | Reduced | Holders |
| Q2 2022 | 210,802 | $2.26M | <0.1% | −523,254−71.3% | Reduced | Holders |
| Q1 2022 | 734,056 | $7.91M | <0.1% | +718,217+4,534.5% | Added | Holders |
| Q4 2021 | 15,839 | $258.0K | <0.1% | +15,839 | New | Holders |