UNITED STATES	
SECURITIES AND EXCHANGE COMMISSION	
Washington, D.C. 20549	
NOTICE OF EFFECTIVENESS	
	
Effective Date:	April 04, 2013	
Accession Number:	0001193125-13-126998	
Submission Type:	POS AM	
CIK:	0001497253	
Company Name:	ORGANOVO HOLDINGS, INC.	
File Number:	333-182101