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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$73.30MInstitution
Ra Capital Management LP10.36%13,381,054$57.67MInsider
Wenbin Jiang6.31%8,143,803$35.10MInsider
Topline Capital Management LLC5.47%7,064,481$30.45MInstitution
Hhlr Advisors Ltd5.15%6,657,030$28.69MInstitution
Millennium Management LLC4.87%6,291,798$27.12MInstitution
Boston Partners4.49%5,802,773$25.01MInstitution
Ming Yan3.71%4,796,688$20.67MInsider
Vanguard Capital Management LLC3.69%4,762,904$20.53MInstitution
State Street Corp3.19%4,123,748$17.77MInstitution

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CTKB vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CTKB65.87%21.42%Net SellingNet Selling
KIDS42.08%57.92%Net Selling
BBNX90.53%9.47%Net SellingNet Selling
BWAY29.91%25.47%
OFIX70.58%29.42%Net BuyingNet Selling
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, 21.42% Cytek Biosciences insiders, and 12.71% 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 $56.47M.

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