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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
Wenbin JiangCEO;Pres2026-08-182,869$4.67
$13.40kSell
Wenbin JiangCEO;Pres2026-08-185,382$4.67
$25.13kSell
Wenbin JiangCEO;Pres2026-08-187,062$4.67
$32.98kSell
Ming YanCTO2026-08-181,778$4.67
$8.30kSell
William D. McCombeCFO2026-08-185,401$4.67
$25.22kSell
William D. McCombeCFO2026-08-184,392$4.67
$20.51kSell
William D. McCombeCFO2026-08-182,111$4.67
$9.86kSell
Ming YanCTO2026-08-183,463$4.67
$16.17kSell
Ming YanCTO2026-08-181,346$4.67
$6.29kSell
Ming YanCTO2026-08-181,501$4.67
$7.01kSell

1 of 7

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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
Ra Capital Management LP10.29%13,381,054$80.02MInsider
Wenbin Jiang6.33%8,227,629$49.20MInsider
Ming Yan3.71%4,821,870$28.83MInsider
Feng Deng0.34%443,800$2.65MInsider
Valerie Barnett0.12%150,012$897.07kInsider
William D. McCombe0.10%134,693$805.46kInsider
Patrik Jeanmonod0.07%97,465$582.84kInsider
Patrick Jeanmonod0.07%95,997$574.06kInsider
Jack Ball0.07%86,678$518.33kInsider
Michael Holder0.05%62,875$375.99kInsider

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CTKB vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CTKB0.06%21.39%Net SellingNet Selling
KIDS0.06%99.94%Net SellingNet Selling
INMD0.05%12.97%
VREX0.10%2.08%Net SellingNet Buying
AHCO0.08%99.92%Net BuyingNet Buying
View Top Medical Device Stocks

Cytek Biosciences Stock Ownership FAQ

Who owns Cytek Biosciences?

Cytek Biosciences (NASDAQ: CTKB) is owned by 0.06% institutional shareholders, 21.39% Cytek Biosciences insiders, and 78.55% retail investors. Ra Capital Management LP is the largest individual Cytek Biosciences shareholder, owning 13.38M shares representing 10.29% of the company. Ra Capital Management LP's Cytek Biosciences shares are currently valued at $82.16M.

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