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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 Officer2026-03-107,145$4.23
$30.22kSell
Valerie BarnettCHIEF LEGAL OFFICER2026-03-101,761$4.23
$7.45kSell
Valerie BarnettCHIEF LEGAL OFFICER2026-03-104,247$4.23
$17.96kSell
Valerie BarnettCHIEF LEGAL OFFICER2026-03-105,740$4.23
$24.28kSell
Philippe BusqueSVP GLOBAL SALES AND SERVICES2026-03-10635$4.23
$2.69kSell
Philippe BusqueSVP GLOBAL SALES AND SERVICES2026-03-10912$4.23
$3.86kSell
Philippe BusqueSVP GLOBAL SALES AND SERVICES2026-03-101,496$4.23
$6.33kSell
Wenbin JiangPRESIDENT AND CEO2026-03-103,825$4.23
$16.18kSell
Wenbin JiangPRESIDENT AND CEO2026-03-107,747$4.23
$32.77kSell
Wenbin JiangPRESIDENT AND CEO2026-03-109,416$4.23
$39.83kSell

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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 Inc13.36%17,173,028$68.86MInstitution
Ra Capital Management LP10.41%13,381,054$53.66MInsider
Wenbin Jiang6.29%8,089,283$32.44MInsider
Vanguard Group Inc5.82%7,475,477$29.98MInstitution
Topline Capital Management LLC5.79%7,442,466$29.84MInstitution
Hhlr Advisors Ltd5.18%6,657,030$26.69MInstitution
Boston Partners3.90%5,008,309$20.08MInstitution
Ming Yan3.82%4,915,933$19.71MInsider
Millennium Management LLC3.70%4,752,447$19.06MInstitution
State Street Corp3.23%4,146,964$16.63MInstitution

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CTKB vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CTKB63.81%21.39%Net SellingNet Selling
BWAY15.66%0.00%
SIBN57.46%42.54%Net SellingNet Selling
BBNX90.24%9.76%Net SellingNet Selling
NPCE48.19%51.81%Net SellingNet Selling
View Top Medical Device Stocks

Cytek Biosciences Stock Ownership FAQ

Who owns Cytek Biosciences?

Cytek Biosciences (NASDAQ: CTKB) is owned by 63.81% institutional shareholders, 21.39% Cytek Biosciences insiders, and 14.80% retail investors. Ra Capital Management LP is the largest individual Cytek Biosciences shareholder, owning 13.38M shares representing 10.41% of the company. Ra Capital Management LP's Cytek Biosciences shares are currently valued at $55.26M.

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