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

Insider buying vs selling

Have Cytek Biosciences Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
William D. McCombeChief Financial Officer2025-06-0235,000$2.78
$97.30kBuy
Philippe BusqueSVP GLOBAL SALES AND SERVICES2025-05-19399$2.69
$1.07kSell
Philippe BusqueSVP GLOBAL SALES AND SERVICES2025-05-19574$2.69
$1.54kSell
Philippe BusqueSVP GLOBAL SALES AND SERVICES2025-05-19942$2.69
$2.53kSell
Wenbin JiangPRESIDENT AND CEO2025-05-193,588$2.69
$9.65kSell
Wenbin JiangPRESIDENT AND CEO2025-05-194,708$2.69
$12.66kSell
William D. McCombeChief Financial Officer2025-05-199,848$2.69
$26.49kSell
William D. McCombeChief Financial Officer2025-05-193,389$2.69
$9.12kSell
Valerie BarnettCHIEF LEGAL OFFICER2025-05-19786$2.69
$2.11kSell
Valerie BarnettCHIEF LEGAL OFFICER2025-05-19956$2.69
$2.57kSell

1 of 6

CTKB insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when CTKB insiders and whales buy or sell their stock.

CTKB Shareholders

What type of owners hold Cytek Biosciences Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc14.27%18,069,282$58.18MInstitution
Ra Capital Management LP10.56%13,381,054$43.09MInsider
Vanguard Group Inc7.60%9,622,008$30.98MInstitution
Wenbin Jiang6.26%7,928,335$25.53MInsider
Brown Capital Management LLC5.89%7,463,967$24.03MInstitution
Hhlr Advisors Ltd5.26%6,657,030$21.44MInstitution
Ming Yan4.77%6,042,126$19.46MInsider
State Street Corp3.46%4,382,174$14.11MInstitution
Dimensional Fund Advisors LP2.25%2,853,809$9.19MInstitution
Geode Capital Management LLC2.12%2,686,677$8.65MInstitution

1 of 3

CTKB vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CTKB61.18%22.37%Net SellingNet Selling
SRDX60.28%39.72%Net Selling
OFIX77.10%22.90%Net BuyingNet Buying
AXGN58.48%41.52%Net SellingNet Selling
NPCE50.05%49.95%Net SellingNet Selling

Cytek Biosciences Stock Ownership FAQ

Who owns Cytek Biosciences?

Cytek Biosciences (NASDAQ: CTKB) is owned by 61.18% institutional shareholders, 22.37% Cytek Biosciences insiders, and 16.45% retail investors. Ra Capital Management LP is the largest individual Cytek Biosciences shareholder, owning 13.38M shares representing 10.56% of the company. Ra Capital Management LP's Cytek Biosciences shares are currently valued at $43.09M.

If you're new to stock investing, here's how to buy Cytek Biosciences stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.