<SEC-DOCUMENT>0001104659-22-033394-index.html : 20220314
<SEC-HEADER>0001104659-22-033394.hdr.sgml : 20220314
<ACCEPTANCE-DATETIME>20220314170418
ACCESSION NUMBER:		0001104659-22-033394
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220314
DATE AS OF CHANGE:		20220314
GROUP MEMBERS:		PETER KOLCHINSKY
GROUP MEMBERS:		RA CAPITAL HEALTHCARE FUND, L.P.
GROUP MEMBERS:		RAJEEV SHAH

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cytek Biosciences, Inc.
		CENTRAL INDEX KEY:			0001831915
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				472547526
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-92754
		FILM NUMBER:		22737426

	BUSINESS ADDRESS:	
		STREET 1:		47215 LAKEVIEW BOULEVARD
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		(877) 922-9835

	MAIL ADDRESS:	
		STREET 1:		47215 LAKEVIEW BOULEVARD
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Cytek BioSciences, Inc.
		DATE OF NAME CHANGE:	20201110

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RA CAPITAL MANAGEMENT, L.P.
		CENTRAL INDEX KEY:			0001346824
		IRS NUMBER:				830406777
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		200 BERKELEY STREET, 18TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-778-2500

	MAIL ADDRESS:	
		STREET 1:		200 BERKELEY STREET, 18TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RA CAPITAL MANAGEMENT, LLC
		DATE OF NAME CHANGE:	20051213
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>tm229218-1_sc13da.htm
<DESCRIPTION>CYTEK BIOSCIENCES, INC.
<TEXT>
Document 1 - file: tm229218-1_sc13da.htm

</DOCUMENT>
</SEC-DOCUMENT>