Portolan Capital Management 13F-HR Quarterly holdings report by institutional manager

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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COLUMN 1	COLUMN 2	COLUMN 3	COLUMN 4	COLUMN 5			COLUMN 6	COLUMN 7	COLUMN 8
			VALUE	SHRS OR	SH/	PUT/	INVESTMENT	OTHER	VOTING AUTHORITY
NAME OF ISSUER	TITLE OF CLASS	CUSIP	(x$1000)	PRN AMT	PRN	CALL	DISCRETION	MANAGER	SOLE	SHARED	NONE
1-800-FLOWERS.COM	COM	68243Q106	1,854	257,926	SH		SOLE		1,854	0	0
A. H. BELO CORPORATION	COM	001282102	6,404	600,171	SH		SOLE		6,404	0	0
ABIOMED, INC.	COM	003654100	10,161	409,211	SH		SOLE		10,161	0	0
ACADIA PHARMACEUTICALS, INC.	COM	004225108	1,452	58,650	SH		SOLE		1,452	0	0
ALCOA, INC.	COM	013817101	251	15,570	SH		SOLE		251	0	0
ALTISOURCE PORTFOLIO SOLUTIONS S.A.	COM	L0175J104	2,239	22,212	SH		SOLE		2,239	0	0
ALTISOURCE RESIDENTIAL CORPORATION	COM	02153W100	7,237	301,540	SH		SOLE		7,237	0	0
AMERICAN AIRLINES GROUP, INC.	COM	02376R102	4,616	130,109	SH		SOLE		4,616	0	0
AMERICAN AXLE & MFG HOLDINGS, INC.	COM	024061103	4,433	264,349	SH		SOLE		4,433	0	0
AMERICAN RAILCAR INDUSTRIES, INC.	COM	02916P103	5,109	69,121	SH		SOLE		5,109	0	0
ANIKA THERAPEUTICS, INC.	COM	035255108	9,269	252,833	SH		SOLE		9,269	0	0
APPLIED OPTOELECTRONICS, INC.	COM	03823U102	4,948	307,350	SH		SOLE		4,948	0	0
AVG TECHNOLOGIES N.V.	COM	N07831105	2,214	133,537	SH		SOLE		2,214	0	0
BANKRATE, INC.	COM	06647F102	663	58,361	SH		SOLE		663	0	0
BIO-RAD LABORATORIES, INC.	COM	090572207	5,822	51,339	SH		SOLE		5,822	0	0
BRAVO BRIO RESTAURANT GROUP, INC.	COM	10567B109	4,088	315,204	SH		SOLE		4,088	0	0
BROADCOM CORPPORATION	COM	111320107	2,089	51,677	SH		SOLE		2,089	0	0
BROOKDALE SENIOR LIVING, INC.	COM	112463104	6,949	215,678	SH		SOLE		6,949	0	0
CABELA'S, INC.	COM	126804301	3,146	53,417	SH		SOLE		3,146	0	0
CAI INTERNATIONAL, INC.	COM	12477X106	1,306	67,496	SH		SOLE		1,306	0	0
CALLIDUS SOFTWARE, INC.	COM	13123E500	10,882	905,337	SH		SOLE		10,882	0	0
CAPITAL SENIOR LIVING CORPORATION	COM	140475104	3,393	159,834	SH		SOLE		3,393	0	0
CARMAX, INC.	COM	143130102	2,436	52,436	SH		SOLE		2,436	0	0
CARROLS RESTAURANT GROUP, INC.	COM	14574X104	4,408	619,948	SH		SOLE		4,408	0	0
CASELLA WASTE SYSTEMS, INC.	COM	147448104	6,046	1,570,414	SH		SOLE		6,046	0	0
CENTRAL GARDEN & PET CO.	COM	153527106	1,205	155,440	SH		SOLE		1,205	0	0
CHURCH & DWIGHT CO., INC.	COM	171340102	4,549	64,842	SH		SOLE		4,549	0	0
CITRIX SYSTEMS, INC.	COM	177376100	4,104	57,524	SH		SOLE		4,104	0	0
CLEAN HARBORS, INC.	COM	184496107	953	17,681	SH		SOLE		953	0	0
COGENT COMMUNICATIONS HOLDINGS	COM	19239V302	2,731	81,267	SH		SOLE		2,731	0	0
COMVERSE, INC.	COM	20585P105	2,924	130,948	SH		SOLE		2,924	0	0
CONSTELLIUM HOLDINGS CO.	COM	N22035104	2,489	101,125	SH		SOLE		2,489	0	0
COVISINT CORPORATION	COM	22357R103	1,075	259,025	SH		SOLE		1,075	0	0
CRYOLIFE, INC.	COM	228903100	1,728	175,099	SH		SOLE		1,728	0	0
DATAWATCH CORPORATION	COM	237917208	2,124	207,236	SH		SOLE		2,124	0	0
DEMAND MEDIA, INC.	COM	24802N208	1,566	176,947	SH		SOLE		1,566	0	0
DESTINATION XL GROUP, INC.	COM	25065K104	5,618	1,190,222	SH		SOLE		5,618	0	0
DOMTAR CORPORATION	COM	257559203	2,419	68,869	SH		SOLE		2,419	0	0
DSW, INC.	COM	23334L102	1,497	49,709	SH		SOLE		1,497	0	0
ELECTRONIC ARTS	COM	285512109	7,346	206,278	SH		SOLE		7,346	0	0
ELIZABETH ARDEN, INC.	COM	28660G106	2,353	140,555	SH		SOLE		2,353	0	0
ENCORE CAPITAL GROUP, INC.	COM	292554102	1,484	33,492	SH		SOLE		1,484	0	0
EQUINIX, INC.	COM	29444U502	283	1,334	SH		SOLE		283	0	0
EURONET WORLDWIDE, INC.	COM	298736109	4,409	92,253	SH		SOLE		4,409	0	0
FACEBOOK, INC.	COM	30303M102	1,236	15,636	SH		SOLE		1,236	0	0
FEDERAL AGRICULTURAL MORTGAGE CORPORATION	COM	313148306	5,285	164,444	SH		SOLE		5,285	0	0
FIESTA RESTAURANT GROUP, INC.	COM	31660B101	4,883	98,298	SH		SOLE		4,883	0	0
GANNETT CO., INC.	COM	364730101	8,665	292,034	SH		SOLE		8,665	0	0
GUIDANCE SOFTWARE, INC.	COM	401692108	534	79,349	SH		SOLE		534	0	0
H & R BLOCK, INC.	COM	093671105	2,834	91,386	SH		SOLE		2,834	0	0
HMSC HOLDINGS CORPORATION	COM	40425J101	5,824	308,990	SH		SOLE		5,824	0	0
INCONTACT, INC.	COM	45336E109	3,882	446,422	SH		SOLE		3,882	0	0
INFORMATICA CORPORATON	COM	45666Q102	4,463	130,351	SH		SOLE		4,463	0	0
KODIAK OIL & GAS CORPORATION	COM	50015Q100	1,355	99,870	SH		SOLE		1,355	0	0
KOFAX LIMITED	COM	G5307C105	5,267	680,498	SH		SOLE		5,267	0	0
LIFELOCK, INC.	COM	53224V100	4,394	307,463	SH		SOLE		4,394	0	0
LIONBRIDGE TECHNOLOGIES, INC.	COM	536252109	1,962	435,954	SH		SOLE		1,962	0	0
LIONS GATE ENTERTAINMENT CORPORATION	COM	535919203	7,386	224,029	SH		SOLE		7,386	0	0
MATADOR RESOURCES CO.	COM	576485205	3,220	124,582	SH		SOLE		3,220	0	0
MEDIFAST, INC.	COM	58470H101	480	14,606	SH		SOLE		480	0	0
MERCER INTERNATIONAL, INC.	COM	588056101	3,119	319,926	SH		SOLE		3,119	0	0
MERRIMACK PHARMACEUTICALS, INC.	COM	590328100	3,714	422,975	SH		SOLE		3,714	0	0
MODEL N, INC.	COM	607525102	5,242	531,605	SH		SOLE		5,242	0	0
MONSTER WORLDWIDE, INC.	COM	611742107	2,496	453,872	SH		SOLE		2,496	0	0
MOVE, INC.	COM	62458M207	40,014	1,909,084	SH		SOLE		40,014	0	0
NAVIENT CORPORATION	COM	63938C108	1,977	111,606	SH		SOLE		1,977	0	0
NEW MEDIA INVESTMENT GROUP, INC.	COM	64704V106	4,267	256,574	SH		SOLE		4,267	0	0
NOODLES AND CO.	COM	65540B105	3,371	175,650	SH		SOLE		3,371	0	0
NORTHERN OIL AND GAS, INC.	COM	665531109	6,301	443,079	SH		SOLE		6,301	0	0
NU SKIN ENTERPRISES, INC.	COM	67018T105	4,584	101,792	SH		SOLE		4,584	0	0
OFFICE DEPOT, INC.	COM	676220106	7,189	1,398,573	SH		SOLE		7,189	0	0
OVERSTOCK.COM, INC.	COM	690370101	4,468	264,992	SH		SOLE		4,468	0	0
OXFORD INDUSTRIES, INC.	COM	691497309	2,163	35,468	SH		SOLE		2,163	0	0
PERFORMANT FINANCIAL CORPORATION	COM	71377E105	1,342	166,088	SH		SOLE		1,342	0	0
PETROQUEST ENERGY, INC.	COM	716748108	2,481	441,429	SH		SOLE		2,481	0	0
QUALITY DISTRIBUTION, INC.	COM	74756M102	200	15,611	SH		SOLE		200	0	0
QUALYS, INC.	COM	74758T303	4,053	152,354	SH		SOLE		4,053	0	0
RALLY SOFTWARE DEVELOPMENT CORPORATION	COM	751198102	1,566	130,376	SH		SOLE		1,566	0	0
REGIONS FINANCIAL CORPORATION	COM	7591EP100	133	13,263	SH		SOLE		133	0	0
RENT-A-CENTER, INC.	COM	76009N100	5,152	169,744	SH		SOLE		5,152	0	0
SALEM COMMUNICATIONS	COM	794093104	3,666	481,672	SH		SOLE		3,666	0	0
SCIQUEST, INC.	COM	80908T101	4,960	329,782	SH		SOLE		4,960	0	0
SEAGATE TECHNOLOGY PLC	COM	G7945M107	4,695	81,977	SH		SOLE		4,695	0	0
SELECTIVE INSURANCE GROUP, INC.	COM	816300107	1,823	82,361	SH		SOLE		1,823	0	0
SEQUENOM, INC.	COM	817337405	2,049	689,821	SH		SOLE		2,049	0	0
SHUTTERFLY, INC.	COM	82568P304	4,133	84,789	SH		SOLE		4,133	0	0
SM ENERGY COMPANY	COM	78454L100	5,303	67,992	SH		SOLE		5,303	0	0
SPRINT CORPORATION	COM	85207U105	1,300	204,982	SH		SOLE		1,300	0	0
STAMPS.COM, INC.	COM	852857200	2,491	78,424	SH		SOLE		2,491	0	0
SUNOPTA, INC.	COM	8676EP108	1,405	116,429	SH		SOLE		1,405	0	0
TESORO CORPORATION	COM	881609101	8,859	145,278	SH		SOLE		8,859	0	0
THE GOODYEAR TIRE & RUBBER CO.	COM	382550101	9,203	407,476	SH		SOLE		9,203	0	0
THE HOWARD HUGHES CORPORATION	COM	44267D107	9,525	63,499	SH		SOLE		9,525	0	0
THORATEC CORPORATION	COM	885175307	4,249	158,956	SH		SOLE		4,249	0	0
TRANSACT TECHNOLOGIES, INC.	COM	892918103	1,457	216,233	SH		SOLE		1,457	0	0
TRINITY INDUSTRIES, INC.	COM	896522109	4,937	105,679	SH		SOLE		4,937	0	0
TUESDAY MORNING CORPORATION	COM	899035505	2,320	119,570	SH		SOLE		2,320	0	0
UBIQUITI NETWORKS, INC.	COM	90347A100	2,416	64,382	SH		SOLE		2,416	0	0
ULTA SALON COSMETICS & FRAGRANCE, INC.	COM	90384S303	6,689	56,608	SH		SOLE		6,689	0	0
UNISYS CORPORATION	COM	909214306	6,432	274,741	SH		SOLE		6,432	0	0
VIRTUSA CORPORATION	COM	92827P102	2,254	63,382	SH		SOLE		2,254	0	0
VONAGE HOLDINGS CORPORATION	COM	92886T201	5,698	1,737,326	SH		SOLE		5,698	0	0
WEB.COM GROUP, INC.	COM	94733A104	8,899	445,843	SH		SOLE		8,899	0	0
WHITING PETROLEUM CORPORATION	COM	966387102	7,743	99,851	SH		SOLE		7,743	0	0