<SEC-DOCUMENT>0001567619-22-003817-index.html : 20220214
<SEC-HEADER>0001567619-22-003817.hdr.sgml : 20220214
<ACCEPTANCE-DATETIME>20220214091043
ACCESSION NUMBER:		0001567619-22-003817
CONFORMED SUBMISSION TYPE:	13F-HR
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20211231
FILED AS OF DATE:		20220214
DATE AS OF CHANGE:		20220214
EFFECTIVENESS DATE:		20220214

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DRIEHAUS CAPITAL MANAGEMENT LLC
		CENTRAL INDEX KEY:			0000938206
		IRS NUMBER:				203634295
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-HR
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-04207
		FILM NUMBER:		22626002

	BUSINESS ADDRESS:	
		STREET 1:		25 EAST ERIE ST
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60611
		BUSINESS PHONE:		3125873800

	MAIL ADDRESS:	
		STREET 1:		25 EAST ERIE ST
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60611

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DRIEHAUS CAPITAL MANAGEMENT INC
		DATE OF NAME CHANGE:	19950216
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-HR
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>INFORMATION TABLE
<SEQUENCE>2
<FILENAME>form13fInfoTable.xml
<TEXT>
Document 2 - file: form13fInfoTable.html

Document 2 - RAW XML: form13fInfoTable.xml

</DOCUMENT>
</SEC-DOCUMENT>