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C

Cytek Biosciences CTKB · USD

Health Care · US listing · 🇺🇸 United States

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5.89

+1.03%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BLACKROCK, INC.9.6m7.50%−7.4m30 Jun 2026
MILLENNIUM MANAGEMENT LLC9.3m7.31%+3m30 Jun 2026
BOSTON PARTNERS7.7m6.00%+1.9m30 Jun 2026
HHLR ADVISORS, LTD.6.7m5.21%—30 Jun 2026
TOPLINE CAPITAL MANAGEMENT, LLC6.3m4.92%−781k30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC4.9m3.87%+176.7k30 Jun 2026
GEODE CAPITAL MANAGEMENT, LLC3.1m2.40%+225.6k30 Jun 2026
DIMENSIONAL FUND ADVISORS LP2.6m2.05%−47.1k30 Jun 2026
STATE STREET CORP2.6m2.01%−1.6m30 Jun 2026
GOLDMAN SACHS GROUP INC2.2m1.70%−177.2k30 Jun 2026
ROYCE & ASSOCIATES LP2.1m1.63%+439.2k30 Jun 2026
RUSSELL INVESTMENTS GROUP, LTD.1.5m1.18%+151.4k30 Jun 2026
ACADIAN ASSET MANAGEMENT LLC1.4m1.08%+977.1k30 Jun 2026
BANK OF AMERICA CORP /DE/1.3m1.03%+306.3k30 Jun 2026
VANGUARD PORTFOLIO MANAGEMENT LLC1.1m0.89%−1.2m30 Jun 2026

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

4.4m

-15.4% on the period before. 2.7 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

54.5%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 21 Sept 20263 shares
  • 17 Sept 20262,293 shares
  • 16 Sept 20262,293 shares
  • 15 Sept 20262,293 shares
  • 10 Sept 20265,910 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.