Cytek Biosciences, Inc. CTKB

Set alert

5.96 USD +0.19 (+3.29%)

At closeNov 4, 2026, 5:53 AM EST

6.10 +0.14 +2.35%

Pre-market · Nov 4, 5:53 AM ET

5.77 Day range 6.10

3.31 52-week range 6.34

Held by insiders 8.85%

Held by institutions 59.02%

Float held by institutions 64.75%

Institutions 196

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	14.36%	18,492,291	119.46M	Sep 29, 2024
Vanguard Group Inc	9.14%	11,778,054	76.09M	Sep 29, 2024
Brown Capital Management, LLC	7.37%	9,493,474	61.33M	Sep 29, 2024
HHLR Advisors, LTD	5.17%	6,657,030	43.00M	Sep 29, 2024
State Street Corporation	3.24%	4,167,501	26.92M	Sep 29, 2024
Geode Capital Management, LLC	2.07%	2,668,004	17.24M	Sep 29, 2024

Top mutual fund holders
Holder	% held	Shares	Value	Reported
iShares Core S&P Smallcap ETF	5.29%	6,819,167	44.05M	Oct 30, 2024
Vanguard Total Stock Market Index Fund	2.70%	3,474,084	22.44M	Sep 29, 2024
Brown Capital Management Small Company Fund	2.69%	3,464,590	22.38M	Sep 29, 2024
iShares Russell 2000 ETF	2.42%	3,121,619	20.17M	Oct 30, 2024
Vanguard Small-Cap Index Fund	2.05%	2,637,310	17.04M	Sep 29, 2024
Vanguard Extended Market Index Fund	1.20%	1,542,181	9.96M	Sep 29, 2024

CTKB insiders
Insider	Relation	Latest transaction	Date	Shares held
BARNETT VALERIE	Officer	Conversion of Exercise of derivative security	Nov 17, 2024	62,850
BUSQUE PHILIPPE	Officer	Conversion of Exercise of derivative security	Nov 17, 2024	12,871
GARLAND JONATHAN TODD	Officer	Conversion of Exercise of derivative security	Aug 17, 2023	8,763
HOLDER MICHAEL	Director	Conversion of Exercise of derivative security	Nov 17, 2024	3,635
JEANMONOD PATRIK	Chief Financial Officer	Conversion of Exercise of derivative security	Mar 10, 2024	97,465
JIANG WENBIN	Chief Executive Officer	Conversion of Exercise of derivative security	Nov 17, 2024	5,187,640

Held by funds