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NASDAQ: CTKB
Cytek Biosciences Inc Stock Ownership - Who owns Cytek Biosciences?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Cytek Biosciences Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
William D. McCombeChief Financial Officer2026-05-183,839$3.55
$13.63kSell
Valerie BarnettCHIEF LEGAL OFFICER2026-05-18881$3.55
$3.13kSell
Valerie BarnettCHIEF LEGAL OFFICER2026-05-181,850$3.55
$6.57kSell
Valerie BarnettCHIEF LEGAL OFFICER2026-05-182,602$3.55
$9.24kSell
Valerie BarnettCHIEF LEGAL OFFICER2026-05-183,386$3.55
$12.02kSell
Philippe BusqueSVP GLOBAL SALES AND SERVICES2026-05-18263$3.55
$933.65Sell
Philippe BusqueSVP GLOBAL SALES AND SERVICES2026-05-18378$3.55
$1.34kSell
Philippe BusqueSVP GLOBAL SALES AND SERVICES2026-05-18620$3.55
$2.20kSell
Philippe BusqueSVP GLOBAL SALES AND SERVICES2026-05-181,424$3.55
$5.06kSell
Wenbin JiangPRESIDENT AND CEO2026-05-181,913$3.55
$6.79kSell

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Net Insider Buy/Sell (L12M) Ownership

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CTKB Shareholders

What type of owners hold Cytek Biosciences Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc13.17%17,007,269$67.35MInstitution
Ra Capital Management LP10.36%13,381,054$52.99MInsider
Wenbin Jiang6.31%8,143,803$32.25MInsider
Topline Capital Management LLC5.47%7,064,481$27.98MInstitution
Hhlr Advisors Ltd5.15%6,657,030$26.36MInstitution
Millennium Management LLC4.87%6,291,798$24.92MInstitution
Boston Partners4.49%5,802,773$22.98MInstitution
Ming Yan3.82%4,932,580$19.53MInsider
Vanguard Capital Management LLC3.69%4,762,904$18.86MInstitution
State Street Corp3.19%4,123,748$16.33MInstitution

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CTKB vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CTKB65.87%21.52%Net SellingNet Selling
CERS75.66%8.07%Net SellingNet Selling
NPCE48.30%51.70%Net SellingNet Buying
KIDS42.08%57.92%Net Selling
BWAY29.91%25.47%
View Top Medical Device Stocks

Cytek Biosciences Stock Ownership FAQ

Who owns Cytek Biosciences?

Cytek Biosciences (NASDAQ: CTKB) is owned by 65.87% institutional shareholders, 21.52% Cytek Biosciences insiders, and 12.61% retail investors. Ra Capital Management LP is the largest individual Cytek Biosciences shareholder, owning 13.38M shares representing 10.36% of the company. Ra Capital Management LP's Cytek Biosciences shares are currently valued at $52.59M.

If you're new to stock investing, here's how to buy Cytek Biosciences stock.
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