Cytek Biosciences Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:CTKB Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
02 Jun 25	BuyUS$97,300	William McCombe	Individual		35,000	US$2.78

Insider Trading Volume

Insider Buying: CTKB insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of CTKB?
Owner Type	Number of Shares	Ownership Percentage
State or Government	67,855	0.0536%
VC/PE Firms	6,657,030	5.26%
Individual Insiders	11,705,087	9.24%
General Public	38,369,645	30.3%
Institutions	69,859,579	55.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 59.46% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
13.1%	BlackRock, Inc.	16,531,858	US$55.1m	-8.51%	no data
7.6%	The Vanguard Group, Inc.	9,622,008	US$32.0m	-17.9%	no data
5.89%	Brown Capital Management, LLC	7,463,967	US$24.9m	-9.49%	0.41%
5.26%	Hillhouse Investment Management, Ltd.	6,657,030	US$22.2m	0%	0.17%
4.77%	Ming Yan	6,042,126	US$20.1m	0.17%	no data
4.15%	Wenbin Jiang	5,261,735	US$17.5m	0.7%	no data
3.46%	State Street Global Advisors, Inc.	4,382,174	US$14.6m	-2.84%	no data
2.25%	Dimensional Fund Advisors LP	2,853,809	US$9.5m	55.9%	no data
2.12%	Geode Capital Management, LLC	2,686,677	US$8.9m	1.8%	no data
1.65%	New York State Common Retirement Fund	2,088,390	US$7.0m	0%	0.01%
1.16%	Topline Capital Management, LLC	1,470,775	US$4.9m	522%	0.82%
0.91%	Northern Trust Global Investments	1,151,567	US$3.8m	-3.09%	no data
0.87%	Charles Schwab Investment Management, Inc.	1,104,889	US$3.7m	0%	no data
0.67%	Centerbook Partners LP	845,405	US$2.8m	0%	0.15%
0.66%	Goldman Sachs Asset Management, L.P.	832,920	US$2.8m	21.9%	no data
0.63%	UBS Asset Management AG	803,152	US$2.7m	-6.91%	no data
0.56%	Jacobs Levy Equity Management Inc	708,482	US$2.4m	0%	0.01%
0.55%	BNY Asset Management	692,402	US$2.3m	-5.24%	no data
0.54%	Renaissance Technologies LLC	687,600	US$2.3m	48.6%	no data
0.51%	AQR Capital Management, LLC	644,623	US$2.1m	389%	no data
0.48%	Citadel Advisors LLC	602,517	US$2.0m	200%	no data
0.45%	Royce & Associates, LP	565,819	US$1.9m	20.2%	0.02%
0.43%	Trexquant Investment LP	549,004	US$1.8m	126%	0.02%
0.43%	Morgan Stanley, Investment Banking and Brokerage Investments	540,087	US$1.8m	-14.7%	no data
0.41%	Principal Global Investors, LLC	520,743	US$1.7m	2.73%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/07/25 21:21
End of Day Share Price	2025/07/25 00:00
Earnings	2025/03/31
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Cytek Biosciences, Inc. is covered by 9 analysts. 5 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Kyle Mikson	Canaccord Genuity
Matthew Sykes	Goldman Sachs
Yuko Oku	Morgan Stanley