<SEC-DOCUMENT>0001104659-21-112843-index.html : 20210903
<SEC-HEADER>0001104659-21-112843.hdr.sgml : 20210903
<ACCEPTANCE-DATETIME>20210903143706
ACCESSION NUMBER:		0001104659-21-112843
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210903
DATE AS OF CHANGE:		20210903
GROUP MEMBERS:		GEORGE MCCABE

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HARVARD BIOSCIENCE INC
		CENTRAL INDEX KEY:			0001123494
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				043306140
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-60603
		FILM NUMBER:		211236129

	BUSINESS ADDRESS:	
		STREET 1:		84 OCTOBER HILL RD
		CITY:			HOLLISTON
		STATE:			MA
		ZIP:			01746
		BUSINESS PHONE:		5088938999

	MAIL ADDRESS:	
		STREET 1:		84 OCTOBER HILL ROAD
		CITY:			HOLLISTON
		STATE:			MA
		ZIP:			01746

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Portolan Capital Management, LLC
		CENTRAL INDEX KEY:			0001350290
		IRS NUMBER:				201926326
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		2 INTERNATIONAL PLACE, 26TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617.753.6400

	MAIL ADDRESS:	
		STREET 1:		2 INTERNATIONAL PLACE, 26TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>tm2126897d1_sc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: tm2126897d1_sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>