<SEC-DOCUMENT>0000902664-15-001327-index.html : 20150220
<SEC-HEADER>0000902664-15-001327.hdr.sgml : 20150220
<ACCEPTANCE-DATETIME>20150220113434
ACCESSION NUMBER:		0000902664-15-001327
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150220
DATE AS OF CHANGE:		20150220

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APPLIED OPTOELECTRONICS, INC.
		CENTRAL INDEX KEY:			0001158114
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				760533927
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87945
		FILM NUMBER:		15634420

	BUSINESS ADDRESS:	
		STREET 1:		13115 JESS PIRTLE BLVD
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77478
		BUSINESS PHONE:		281-295-1800

	MAIL ADDRESS:	
		STREET 1:		13115 JESS PIRTLE BLVD
		CITY:			SUGAR LAND
		STATE:			TX
		ZIP:			77478

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APPLIED OPTOELECTRONICS INC
		DATE OF NAME CHANGE:	20010824

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARDSLEY ADVISORY PARTNERS
		CENTRAL INDEX KEY:			0000900529
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		262 HARBOR DRIVE, 4TH FLOOR
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902
		BUSINESS PHONE:		203-564-4230

	MAIL ADDRESS:	
		STREET 1:		262 HARBOR DRIVE, 4TH FLOOR
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>p15-0579sc13g.htm
<DESCRIPTION>APPLIED OPTOELECTRONICS, INC.
<TEXT>
Document 1 - file: p15-0579sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>