<SEC-DOCUMENT>0001140361-24-048975-index.html : 20241211
<SEC-HEADER>0001140361-24-048975.hdr.sgml : 20241211
<ACCEPTANCE-DATETIME>20241211085722
ACCESSION NUMBER:		0001140361-24-048975
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20241211
DATE AS OF CHANGE:		20241211

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Quantum-Si Inc
		CENTRAL INDEX KEY:			0001816431
		STANDARD INDUSTRIAL CLASSIFICATION:	MEASURING & CONTROLLING DEVICES, NEC [3829]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		IRS NUMBER:				851388175
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-273934
		FILM NUMBER:		241540276

	BUSINESS ADDRESS:	
		STREET 1:		29 BUSINESS PARK DRIVE
		CITY:			BRANFORD
		STATE:			CT
		ZIP:			06405
		BUSINESS PHONE:		(203) 458-7100

	MAIL ADDRESS:	
		STREET 1:		29 BUSINESS PARK DRIVE
		CITY:			BRANFORD
		STATE:			CT
		ZIP:			06405

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HighCape Capital Acquisition Corp.
		DATE OF NAME CHANGE:	20200629
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>ny20039409x3_424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: ny20039409x3_424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>logo_quantumsi24.jpg
<TEXT>
Document 2 - file: logo_quantumsi24.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>logo_quantumsi24x1.jpg
<TEXT>
Document 3 - file: logo_quantumsi24x1.jpg

</DOCUMENT>
</SEC-DOCUMENT>