Companies / Cytek Biosciences, Inc.

Cytek Biosciences, Inc.

Nasdaq: CTKBCIK 1831915FREMONT, CA

Financials · FY2025

Revenue$201.49M
Net income$-66.54M
Total debt—
Cash$73.85M
Diluted EPS$-0.09
Shares outstanding130.0M

Ownership

130.0M shares outstanding · as of Jul 31, 2026
8.2%Insiders
Ownership
Insiders8.23%10,700,764
Institutions57.99%75,380,015
Public float33.78%43,902,474

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 9

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Insider% of sharesShares
Jiang WenbinCEOPRESIDENT AND CEO · Director
4.17%5,422,683
Yan MingCHIEF TECHNOLOGY OFFICER · Director
3.78%4,915,933
Barnett ValerieCHIEF LEGAL OFFICER
0.10%134,436
McCombe William D.Chief Financial Officer
0.07%94,687
Neff Deborah JDirector
0.05%59,679
Busque PhilippeSVP, GLOBAL SALES AND SERVICES
0.03%35,687
Chin RichardDirector
0.02%22,392
Holder MichaelDirector
0.01%15,267
Muir Glenn PDirector
——

Institutional holders 161

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HolderValue% of shares
BlackRock, Inc.$42.43M7.37%
Vanguard Group Inc$37.75M5.75%
Topline Capital Management, LLC$37.58M5.73%
Hhlr Advisors, Ltd.$33.62M5.12%
Millennium Management LLC$27.50M4.84%
Boston Partners$25.36M4.46%
Dimensional Fund Advisors LP$13.37M2.04%
Geode Capital Management, LLC$12.39M2.18%
State Street Corporation$11.37M1.97%
Brown Capital Management LLC$10.47M1.59%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Mar 10, 2026Jiang Wenbin
CEO
OtherCommon Stock$39.8K-9K
-0.17%
5,422,683
4.17% of shares
low
Mar 10, 2026Jiang Wenbin
CEO
OtherCommon Stock$32.8K-8K
-0.14%
5,393,430
4.15% of shares
low
Mar 10, 2026McCombe William D.
Executive
OtherCommon Stock$30.2K-7K
-7.02%
94,687
0.07% of shares
low
Mar 10, 2026Barnett Valerie
Executive
OtherCommon Stock$24.3K-6K
-4.09%
134,436
0.10% of shares
low
Mar 10, 2026Barnett Valerie
Executive
OtherCommon Stock$18.0K-4K
-3.27%
125,675
0.10% of shares
low
Mar 10, 2026Jiang Wenbin
CEO
OtherCommon Stock$16.2K-4K
-0.07%
5,371,710
4.13% of shares
low
Mar 10, 2026Yan Ming
Executive
OtherCommon Stock$12.9K-3K
-0.05%
6,081,034
4.68% of shares
low
Mar 10, 2026McCombe William D.
Executive
OtherCommon Stock$11.0K-3K
-2.99%
84,431
0.06% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
Millennium Management LLCPassive13G/A———
Millennium Management LLCPassive13G———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
CTKB——23285D109—