Cowen Prime Services 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

OMB APPROVAL

OMB Number:		3235-0006
Expires:	Oct 31, 2018
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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
ARI NETWORK SVCS INC COM NEW	Stock	001930205	8,325	1,180,803	SH		SOLE		0	0	8,325
AT&T INC COM	Stock	00206R102	69	1,823	SH		SOLE		0	0	69
ABBOTT LABS COM	Stock	002824100	63	1,300	SH		SOLE		0	0	63
ABBVIE INC COM	Stock	00287Y109	2,123	29,285	SH		SOLE		0	0	2,123
ACCURAY INC DEL COM	Stock	004397105	901	189,599	SH		SOLE		0	0	901
ADAMIS PHARMACEUTICALS CORP COM NEW ISIN#US00547W2089	Stock	00547W208	0	6	SH		SOLE		0	0	0
ALCOA CORP COM	Stock	013872106	4	111	SH		SOLE		0	0	4
ALIBABA GROUP HLDG LTD SPONSORED ADS ISIN#US01609W1027	Stock	01609W102	28	200	SH		SOLE		0	0	28
ALLIANCE RESOURCE PARTNERS LP UNIT LTD PARTNER INT	Stock	01877R108	112	5,910	SH		SOLE		0	0	112
ALPHABET INC CAP STK CL C	Stock	02079K107	127	140	SH		SOLE		0	0	127
ALPHABET INC CL A	Stock	02079K305	37	40	SH		SOLE		0	0	37
ALTABA INC COM	Stock	021346101	183	3,356	SH		SOLE		0	0	183
ALTRIA GROUP INC COM	Stock	02209S103	112	1,500	SH		SOLE		0	0	112
AMERICAN ELECTRIC POWER CO	Stock	025537101	525	7,550	SH		SOLE		0	0	525
AMERICAN EAGLE OUTFITTERS INC NEW COM	Stock	02553E106	1	50	SH		SOLE		0	0	1
AMERICAN EXPRESS COMPANY	Stock	025816109	34	400	SH		SOLE		0	0	34
ANALOG DEVICES INC COM	Stock	032654105	1,245	16,000	SH		SOLE		0	0	1,245
ANTERO RES CORP COM	Stock	03674X106	51	2,356	SH		SOLE		0	0	51
APACHE CORP COM	Stock	037411105	22	450	SH		SOLE		0	0	22
APOLLO GLOBAL MGMT LLC CL A SHS	Stock	037612306	198	7,500	SH		SOLE		0	0	198
APPLE INC COM	Stock	037833100	331	2,295	SH		SOLE		0	0	331
ARCONIC INC COM	Stock	03965L100	8	333	SH		SOLE		0	0	8
ASPEN AEROGELS INC COM	Stock	04523Y105	20	4,400	SH		SOLE		0	0	20
BRT RLTY TR SH BEN INT NEW	Stock	055645303	126	16,025	SH		SOLE		0	0	126
BANK AMER CORP COM	Stock	060505104	18	760	SH		SOLE		0	0	18
BANK OF MONTREAL	Stock	063671101	55	753	SH		SOLE		0	0	55
BERKSHIRE HATHAWAY INC DEL CL B NEW	Stock	084670702	2,905	17,150	SH		SOLE		0	0	2,905
BLACKSTONE GROUP L P COM UNIT REPSTG LTD	Stock	09253U108	1,584	47,500	SH		SOLE		0	0	1,584
BOINGO WIRELESS INC COM	Stock	09739C102	6,341	423,886	SH		SOLE		0	0	6,341
BOSTON OMAHA CORP CL A	Stock	101044105	3,145	238,500	SH		SOLE		0	0	3,145
BOVIE MED CORP COM	Stock	10211F100	617	249,640	SH		SOLE		0	0	617
BRISTOL MYERS SQUIBB CO COM	Stock	110122108	507	9,100	SH		SOLE		0	0	507
BROADVISION INC COM PAR	Stock	111412706	0	4	SH		SOLE		0	0	0
BROCADE COMMUNICATIONS SYS INC COM NEW	Stock	111621306	651	51,650	SH		SOLE		0	0	651
CUI GLOBAL INC COM NEW	Stock	126576206	87	22,670	SH		SOLE		0	0	87
CALIFORNIA RES CORP COM NEW	Stock	13057Q206	0	26	SH		SOLE		0	0	0
CASTLIGHT HEALTH INC CL B	Stock	14862Q100	337	81,100	SH		SOLE		0	0	337
CATERPILLAR INC COM	Stock	149123101	54	500	SH		SOLE		0	0	54
CEVA INC COM	Stock	157210105	1,040	22,879	SH		SOLE		0	0	1,040
CHEMOURS CO COM	Stock	163851108	4	100	SH		SOLE		0	0	4
COCA COLA COMPANY	Stock	191216100	336	7,500	SH		SOLE		0	0	336
COLGATE PALMOLIVE CO COM	Stock	194162103	297	4,000	SH		SOLE		0	0	297
COLONY NORTHSTAR INC CL A COM	Stock	19625W104	142	10,073	SH		SOLE		0	0	142
CORNING INC COM	Stock	219350105	35	1,150	SH		SOLE		0	0	35
COTY INC COM CL A	Stock	222070203	4	234	SH		SOLE		0	0	4
CROWN CASTLE INTL CORP NEW COM	Stock	22822V101	3,926	39,185	SH		SOLE		0	0	3,926
DCP MIDSTREAM LP COM UTS REPSTG LTD PART INT	Stock	23311P100	54	1,600	SH		SOLE		0	0	54
DXC TECHNOLOGY CO COM	Stock	23355L106	1	16	SH		SOLE		0	0	1
DARDEN RESTAURANTS INC COM	Stock	237194105	23	250	SH		SOLE		0	0	23
DEERE & CO	Stock	244199105	198	1,600	SH		SOLE		0	0	198
DELL TECHNOLOGIES INC CL V	Stock	24703L103	3	55	SH		SOLE		0	0	3
DETERMINE INC COM	Stock	250660107	2	700	SH		SOLE		0	0	2
DIGIMARC CORP NEW COM	Stock	25381B101	14,197	353,592	SH		SOLE		0	0	14,197
DOMINION ENERGY INC COM	Stock	25746U109	153	2,000	SH		SOLE		0	0	153
DOW CHEM CO COM	Stock	260543103	5,522	87,550	SH		SOLE		0	0	5,522
DU PONT E I DE NEMOURS & CO COM	Stock	263534109	81	1,000	SH		SOLE		0	0	81
DURECT CORP COM	Stock	266605104	120	77,128	SH		SOLE		0	0	120
EOG RES INC COM	Stock	26875P101	27	300	SH		SOLE		0	0	27
EATON VANCE LTD DURATION INCOME FD COM	Stock	27828H105	0	2	SH		SOLE		0	0	0
EATON VANCE TAX MANAGED GLOBAL DIVERSIFIED INCOME FD COM	Stock	27829F108	25	2,700	SH		SOLE		0	0	25
EBAY INC COM	Stock	278642103	35	1,000	SH		SOLE		0	0	35
EHEALTH INC COM	Stock	28238P109	11,016	585,950	SH		SOLE		0	0	11,016
EMERSON ELEC CO COM	Stock	291011104	60	1,000	SH		SOLE		0	0	60
EMPIRE ST RLTY OP L P UNIT LTD PARTNERSHIP INT SER ES	Stock	292102100	268	12,904	SH		SOLE		0	0	268
ENTERPRISE PRODS PARTNERS L P COM UNIT	Stock	293792107	1,789	66,080	SH		SOLE		0	0	1,789
EXELON CORP COM	Stock	30161N101	2,357	65,350	SH		SOLE		0	0	2,357
EXPEDIA INC DEL COM NEW	Stock	30212P303	5,564	37,355	SH		SOLE		0	0	5,564
EXXON MOBIL CORP COM	Stock	30231G102	541	6,700	SH		SOLE		0	0	541
FACEBOOK INC CL A	Stock	30303M102	75	500	SH		SOLE		0	0	75
FALCONSTOR SOFTWARE INC COM	Stock	306137100	42	162,876	SH		SOLE		0	0	42
FOREST CITY RLTY TR INC COM CL A	Stock	345605109	2,442	101,050	SH		SOLE		0	0	2,442
FORMFACTOR INC COM	Stock	346375108	121	9,752	SH		SOLE		0	0	121
FOUR CORNERS PPTY TR INC COM	Stock	35086T109	1	30	SH		SOLE		0	0	1
GSI TECHNOLOGY INC COM	Stock	36241U106	83	10,546	SH		SOLE		0	0	83
GAP INC COM	Stock	364760108	48	2,175	SH		SOLE		0	0	48
GENERAL ELECTRIC CO COM	Stock	369604103	1,120	41,470	SH		SOLE		0	0	1,120
GENERAL MILLS INC COM	Stock	370334104	155	2,800	SH		SOLE		0	0	155
GENOMIC HEALTH INC COM	Stock	37244C101	2,885	88,635	SH		SOLE		0	0	2,885
GLAXOSMITHKLINE PLC SPONS ADR	Stock	37733W105	86	2,000	SH		SOLE		0	0	86
GLOBAL PARTNERS LP COM UNIT REPSTG LTD PARTNER INT	Stock	37946R109	75	4,150	SH		SOLE		0	0	75
HCP INC COM	Stock	40414L109	256	8,000	SH		SOLE		0	0	256
HP INC COM	Stock	40434L105	4	200	SH		SOLE		0	0	4
HARMONIC INC COM	Stock	413160102	1,011	192,515	SH		SOLE		0	0	1,011
HELMERICH & PAYNE INC COM	Stock	423452101	43	800	SH		SOLE		0	0	43
HEWLETT PACKARD ENTERPRISE CO COM	Stock	42824C109	3	200	SH		SOLE		0	0	3
INOVALON HLDGS INC COM CL A	Stock	45781D101	3,381	257,100	SH		SOLE		0	0	3,381
INTEL CORP COM	Stock	458140100	54	1,600	SH		SOLE		0	0	54
INTERMOLECULAR INC COM	Stock	45882D109	3	3,000	SH		SOLE		0	0	3
INTERNATIONAL BUSINESS MACHS CORP COM	Stock	459200101	476	3,092	SH		SOLE		0	0	476
INVUITY INC COM NEW	Stock	46187J205	3,408	470,050	SH		SOLE		0	0	3,408
ITERIS INC NEW COM	Stock	46564T107	1,249	200,745	SH		SOLE		0	0	1,249
JP MORGAN CHASE & CO COM ISIN#US46625H1005	Stock	46625H100	2,264	24,774	SH		SOLE		0	0	2,264
JOHNSON & JOHNSON COM	Stock	478160104	1,552	11,734	SH		SOLE		0	0	1,552
KKR & CO L P DEL COM UNITS	Stock	48248M102	2,119	113,950	SH		SOLE		0	0	2,119
KIMBERLY CLARK CORP COM	Stock	494368103	116	900	SH		SOLE		0	0	116
KINDER MORGAN INC DEL COM	Stock	49456B101	2,081	108,626	SH		SOLE		0	0	2,081
KINDER MORGAN INC DEL DEPOSITARY SHS	Stock	49456B200	159	3,625	SH		SOLE		0	0	159
KOPIN CORP COM	Stock	500600101	614	165,437	SH		SOLE		0	0	614
LEIDOS HLDGS INC COM	Stock	525327102	4,081	78,960	SH		SOLE		0	0	4,081
LENNAR CORP CL A	Stock	526057104	80	1,500	SH		SOLE		0	0	80
LOCKHEED MARTIN CORP COM	Stock	539830109	111	400	SH		SOLE		0	0	111
LUMINEX CORP DEL COM	Stock	55027E102	5,121	242,462	SH		SOLE		0	0	5,121
MACOM TECHNOLOGY SOLUTIONS HLDGS INC COM	Stock	55405Y100	260	4,660	SH		SOLE		0	0	260
MAGELLAN MIDSTREAM PARTNERS LP COM UNIT REPSTG LTD PARTNER INT	Stock	559080106	2,480	34,800	SH		SOLE		0	0	2,480
MARKEL CORP COM	Stock	570535104	146	150	SH		SOLE		0	0	146
MCDONALDS CORP	Stock	580135101	98	640	SH		SOLE		0	0	98
MERCK & CO INC NEW COM	Stock	58933Y105	90	1,400	SH		SOLE		0	0	90
METLIFE INC COM	Stock	59156R108	343	6,250	SH		SOLE		0	0	343
MICROSOFT CORP COM	Stock	594918104	1,332	19,325	SH		SOLE		0	0	1,332
MONDELEZ INTL INC CL A	Stock	609207105	143	3,300	SH		SOLE		0	0	143
MORGAN STANLEY COM NEW	Stock	617446448	1	18	SH		SOLE		0	0	1
NIC INC COM	Stock	62914B100	1,139	60,100	SH		SOLE		0	0	1,139
NVE CORP COM NEW ISIN#US6294452064	Stock	629445206	564	7,331	SH		SOLE		0	0	564
NATIONAL RESH CORP CL A	Stock	637372202	436	16,200	SH		SOLE		0	0	436
NATIONAL RETAIL PPTYS INC COM ISIN#US6374171063	Stock	637417106	59	1,500	SH		SOLE		0	0	59
NEOGEN CORP COM	Stock	640491106	591	8,550	SH		SOLE		0	0	591
NEOGENOMICS INC COM NEW	Stock	64049M209	11,726	1,308,726	SH		SOLE		0	0	11,726
NEW MEDIA INVT GROUP INC COM	Stock	64704V106	1,054	78,200	SH		SOLE		0	0	1,054
NEW RESIDENTIAL INVT CORP COM NEW	Stock	64828T201	62	4,000	SH		SOLE		0	0	62
NOKIA CORP SPONSORED ADR	Stock	654902204	1	166	SH		SOLE		0	0	1
NORFOLK SOUTHN CORP COM	Stock	655844108	195	1,600	SH		SOLE		0	0	195
NORTHROP GRUMMAN CORP COM	Stock	666807102	116	450	SH		SOLE		0	0	116
NORTHSTAR RLTY EUROPE CORP COM	Stock	66706L101	14	1,083	SH		SOLE		0	0	14
NOVARTIS AG SPONSORED ADR	Stock	66987V109	8	100	SH		SOLE		0	0	8
NOVO NORDISK A.S. ADR FORMERLY NOVO INDUSTRIE A.S. ADR SAME CUSIP	Stock	670100205	139	3,250	SH		SOLE		0	0	139
NUSTAR ENERGY LP UNIT COM	Stock	67058H102	263	5,630	SH		SOLE		0	0	263
NUTANIX INC COM	Stock	67059N108	478	23,700	SH		SOLE		0	0	478
OCCIDENTAL PETE CORP COM	Stock	674599105	33	550	SH		SOLE		0	0	33
ONVIA INC COM	Stock	68338T403	98	22,162	SH		SOLE		0	0	98
ORACLE CORP COM	Stock	68389X105	20	394	SH		SOLE		0	0	20
PDF SOLUTIONS INC COM	Stock	693282105	18,394	1,118,183	SH		SOLE		0	0	18,394
PRGX GLOBAL INTL COM NEW	Stock	69357C503	350	53,895	SH		SOLE		0	0	350
PTC INC COM	Stock	69370C100	2,290	41,550	SH		SOLE		0	0	2,290
PAYCHEX INC COM	Stock	704326107	137	2,400	SH		SOLE		0	0	137
PAYPAL HLDGS INC COM	Stock	70450Y103	54	1,000	SH		SOLE		0	0	54
PEPSICO INC COM	Stock	713448108	104	900	SH		SOLE		0	0	104
PFIZER INC COM	Stock	717081103	5,259	156,550	SH		SOLE		0	0	5,259
PHILIP MORRIS INTL INC COM	Stock	718172109	164	1,400	SH		SOLE		0	0	164
PLAINS ALL AMERICAN PIPELINE L P UNIT LTD PARTNERSHIP INT	Stock	726503105	149	5,685	SH		SOLE		0	0	149
PROCTER & GAMBLE CO COM	Stock	742718109	204	2,340	SH		SOLE		0	0	204
QUALITY CARE PPTYS INC COM	Stock	747545101	29	1,600	SH		SOLE		0	0	29
QUOTIENT TECHNOLOGY INC COM	Stock	749119103	8,290	720,857	SH		SOLE		0	0	8,290
REIS INC COM	Stock	75936P105	11,341	533,700	SH		SOLE		0	0	11,341
SPDR GOLD TR GOLD SHS	Stock	78463V107	19	160	SH		SOLE		0	0	19
SCHLUMBERGER LTD COM ISIN# AN8068571086	Stock	806857108	55	835	SH		SOLE		0	0	55
SEMPRA ENERGY COM	Stock	816851109	90	800	SH		SOLE		0	0	90
SENOMYX INC COM	Stock	81724Q107	293	353,551	SH		SOLE		0	0	293
SIRIUS XM HLDGS INC COM	Stock	82968B103	0	9	SH		SOLE		0	0	0
SMITH MICRO SOFTWARE INC COM NEW	Stock	832154207	69	46,994	SH		SOLE		0	0	69
SONUS NETWORKS INC COM NEW	Stock	835916503	2,410	323,876	SH		SOLE		0	0	2,410
SUBURBAN PROPANE PARTNERS L P UNIT LTD PARTNERSHIP INT	Stock	864482104	131	5,513	SH		SOLE		0	0	131
SYNACOR INC COM	Stock	871561106	214	58,525	SH		SOLE		0	0	214
SYSCO CORP COM	Stock	871829107	70	1,400	SH		SOLE		0	0	70
TICC CAP CORP COM	Stock	87244T109	48	7,600	SH		SOLE		0	0	48
TARGA RES CORP COM	Stock	87612G101	20	434	SH		SOLE		0	0	20
TESLA INC COM	Stock	88160R101	18	50	SH		SOLE		0	0	18
TESORO LOGISTICS LP COM UNIT LTD PARTNERSHIP INT	Stock	88160T107	258	5,000	SH		SOLE		0	0	258
TEVA PHARMACEUTICAL INDUSTRIES LTD ADR ISIN#US8816242098	Stock	881624209	4,964	149,439	SH		SOLE		0	0	4,964
TEXAS INSTRUMENTS INC	Stock	882508104	232	3,012	SH		SOLE		0	0	232
3D SYS CORP DEL COM NEW	Stock	88554D205	1,393	74,466	SH		SOLE		0	0	1,393
3M CO COM	Stock	88579Y101	1,471	7,065	SH		SOLE		0	0	1,471
TRANSACT TECHNOLOGIES INC COM	Stock	892918103	1,301	153,992	SH		SOLE		0	0	1,301
UNILEVER PLC SPON ADR NEW ISIN#US9047677045	Stock	904767704	78	1,445	SH		SOLE		0	0	78
UNITED PARCEL SVC INC CL B	Stock	911312106	2,360	21,340	SH		SOLE		0	0	2,360
UNITEDHEALTH GROUP INC COM	Stock	91324P102	93	500	SH		SOLE		0	0	93
VALEANT PHARMACEUTICALS INTL INC CDA COM ISIN#CA91911K1021	Stock	91911K102	0	26	SH		SOLE		0	0	0
VANECK VECTORS ETF TR GOLD MINERS ETF	Stock	92189F106	33	1,500	SH		SOLE		0	0	33
VANECK VECTORS ETF TR JR GOLD MINERS ETF	Stock	92189F791	1	35	SH		SOLE		0	0	1
VENTAS INC COM	Stock	92276F100	35	500	SH		SOLE		0	0	35
VANGUARD INDEX FDS VANGUARD TOTAL STK MKT ETF	Stock	922908769	10	82	SH		SOLE		0	0	10
VERIZON COMMUNICATIONS INC COM	Stock	92343V104	226	5,051	SH		SOLE		0	0	226
VODAFONE GROUP PLC NEW SPONSORED ADR NO PAR	Stock	92857W308	47	1,636	SH		SOLE		0	0	47
VONAGE HLDGS CORP COM	Stock	92886T201	6,096	932,100	SH		SOLE		0	0	6,096
WEC ENERGY GROUP INC COM	Stock	92939U106	153	2,500	SH		SOLE		0	0	153
WESTERN GAS PARTNERS LP COM UNIT REPSTG LTD PARTNER INT	Stock	958254104	140	2,500	SH		SOLE		0	0	140
WEYERHAEUSER CO	Stock	962166104	2,238	66,800	SH		SOLE		0	0	2,238
WILLIAMS COS INC COM	Stock	969457100	30	1,000	SH		SOLE		0	0	30
WISDOMTREE CONTINOUS COMMODITY INDEX FD	Stock	97718W108	3	164	SH		SOLE		0	0	3
YUM BRANDS INC COM	Stock	988498101	4,107	55,675	SH		SOLE		0	0	4,107
ZIOPHARM ONCOLOGY INC COM	Stock	98973P101	20	3,200	SH		SOLE		0	0	20
ZOETIS INC CL A	Stock	98978V103	3,302	52,930	SH		SOLE		0	0	3,302
ALLEGION PUB LTD CO ORD SHS ISIN#IE00BFRT3W74	Stock	G0176J109	81	999	SH		SOLE		0	0	81
ALLERGAN PLC COM SHS ISIN#IE00BY9D5467	Stock	G0177J108	44	181	SH		SOLE		0	0	44
INGERSOLL RAND PLC SHS ISIN#IE00B6330302	Stock	G47791101	260	2,850	SH		SOLE		0	0	260
MARVELL TECHNOLOGY GROUP LTD SHS ISIN#BMG5876H1051	Stock	G5876H105	1,687	102,100	SH		SOLE		0	0	1,687
NOBLE CORP PLC SHS USD ISIN#GB00BFG3KF26	Stock	G65431101	3	800	SH		SOLE		0	0	3
SEAGATE TECHNOLOGY PLC SHS ISIN#IE00B58JVZ52	Stock	G7945M107	89	2,300	SH		SOLE		0	0	89
KORNIT-DIGITAL LTD SHS ISIN#IL0011216723	Stock	M6372Q113	117	6,058	SH		SOLE		0	0	117
CIMPRESS N V SHS EURO ISIN#NL0009272269	Stock	N20146101	9	100	SH		SOLE		0	0	9
VTTI ENERGY PARTNERS LP COM UNIT REPSTG LTD PARTNER INT ISIN#MHY9384M1012	Stock	Y9384M101	131	6,650	SH		SOLE		0	0	131