Stocks / CTKB / Shares Outstanding

Cytek Biosciences, Inc. Shares Outstanding 2020–2025

Cytek Biosciences, Inc. reported 128.6M of shares outstanding for fiscal 2025. That was 0.5% lower than fiscal 2024. Compared with fiscal 2020, the change was +311.5%. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components.

Latest filed value
128.6M
One-year change
-0.5%
Change since 2020
+311.5%
Latest period end
2025-12-31
Cytek Biosciences, Inc. Shares Outstanding history from 2020 to 2025FY 2020: 31241916FY 2021: 133749663FY 2022: 135365381FY 2023: 130714906FY 2024: 129205901FY 2025: 128550136
Annual filed history. Hover chart points for raw values; the accessible table below is the source of record.
Fiscal yearShares OutstandingChange (YoY)
FY 2025128.6M-0.5%
FY 2024129.2M-1.2%
FY 2023130.7M-3.4%
FY 2022135.4M+1.2%
FY 2021133.7M+328.1%
FY 202031.2M

Source: Cytek Biosciences, Inc. SEC filings — balance sheet (10-K), split-adjusted. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open CTKB 10-K filings at SEC EDGAR · Methodology · Download CSV.

How to read this history

Cytek Biosciences, Inc. reported 128.6M of shares outstanding for fiscal 2025. That was 0.5% lower than fiscal 2024. Compared with fiscal 2020, the change was +311.5%. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.

Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.

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Cytek Biosciences, Inc. — frequently asked questions

What is Cytek Biosciences, Inc.'s shares outstanding?

Cytek Biosciences, Inc. (CTKB) reported shares outstanding of 128.6M for fiscal year 2025, per its SEC filings.

How has Cytek Biosciences, Inc.'s shares outstanding changed over time?

Between fiscal 2020 and 2025, CTKB's shares outstanding grew at roughly 32.7% per year (compound annual rate), from 31.2M to 128.6M.

Where does this data come from?

Figures are computed from Cytek Biosciences, Inc.'s official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.

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