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
Estimated average burden
hours per response:		23.8

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
AT&T INC COM	Stock	00206R102	9	323	SH		SOLE		0	0	9
ABBOTT LABS COM	Stock	002824100	39	500	SH		SOLE		0	0	39
ACCELERATE DIAGNOSTICS INC NOTE 2.500	Stock	00430HAB8	3,280	6,050,000	SH		SOLE		0	0	3,280
ADVANCED MICRO DEVICES INC COM	Stock	007903107	23	500	SH		SOLE		0	0	23
ALIBABA GROUP HLDG LTD SPONSORED ADS	Stock	01609W102	39	200	SH		SOLE		0	0	39
ALPHABET INC CAP STK CL C	Stock	02079K107	163	140	SH		SOLE		0	0	163
ALTRIA GROUP INC COM	Stock	02209S103	58	1,500	SH		SOLE		0	0	58
AMERICAN ELEC PWR CO INC COM	Stock	025537101	36	450	SH		SOLE		0	0	36
AMERICAN EXPRESS CO COM	Stock	025816109	34	400	SH		SOLE		0	0	34
ANALOG DEVICES INC COM	Stock	032654105	843	9,400	SH		SOLE		0	0	843
APOLLO GLOBAL MGMT INC COM CL A	Stock	03768E105	1,769	52,795	SH		SOLE		0	0	1,769
APPLE INC COM	Stock	037833100	406	1,595	SH		SOLE		0	0	406
ARES CAPITAL CORP COM	Stock	04010L103	197	18,300	SH		SOLE		0	0	197
ASPEN AEROGELS INC COM	Stock	04523Y105	5,023	818,000	SH		SOLE		0	0	5,023
ASTRAZENECA PLC SPONSORED ADR	Stock	046353108	2,274	50,920	SH		SOLE		0	0	2,274
BK OF AMERICA CORP COM	Stock	060505104	16	760	SH		SOLE		0	0	16
BARRICK GOLD CORPORATION COM	Stock	067901108	20	1,084	SH		SOLE		0	0	20
BAUSCH HEALTH COS INC COM	Stock	071734107	0	26	SH		SOLE		0	0	0
BERKSHIRE HATHAWAY INC DEL CL B NEW	Stock	084670702	2,575	14,085	SH		SOLE		0	0	2,575
BIOLIFE SOLUTIONS INC COM NEW	Stock	09062W204	59	6,173	SH		SOLE		0	0	59
BLACKSTONE GROUP INC COM CL A	Stock	09260D107	301	6,600	SH		SOLE		0	0	301
BOSTON OMAHA CORP COM	Stock	101044105	497	27,444	SH		SOLE		0	0	497
BRISTOL-MYERS SQUIBB CO COM	Stock	110122108	117	2,100	SH		SOLE		0	0	117
BROADVISION INC COM PAR	Stock	111412706	0	4	SH		SOLE		0	0	0
CASTLIGHT HEALTH INC CL B	Stock	14862Q100	12	16,856	SH		SOLE		0	0	12
CHAMPIONS ONCOLOGY INC COM NEW	Stock	15870P307	2,216	299,400	SH		SOLE		0	0	2,216
COCA COLA CO COM	Stock	191216100	44	1,000	SH		SOLE		0	0	44
COMSCORE INC COM	Stock	20564W105	1,581	560,500	SH		SOLE		0	0	1,581
CORNING INC COM	Stock	219350105	33	1,600	SH		SOLE		0	0	33
CORTEVA INC COM	Stock	22052L104	146	6,216	SH		SOLE		0	0	146
CROWN CASTLE INTL CORP NEW COM	Stock	22822V101	1,070	7,410	SH		SOLE		0	0	1,070
DCP MIDSTREAM LP COM UT LTD PTN	Stock	23311P100	7	1,600	SH		SOLE		0	0	7
DXC TECHNOLOGY CO COM	Stock	23355L106	0	16	SH		SOLE		0	0	0
DARDEN RESTAURANTS INC COM	Stock	237194105	14	250	SH		SOLE		0	0	14
DEERE & CO COM	Stock	244199105	207	1,500	SH		SOLE		0	0	207
DIGIMARC CORP NEW COM	Stock	25381B101	1,815	139,095	SH		SOLE		0	0	1,815
DOMINION ENERGY INC COM	Stock	25746U109	274	3,800	SH		SOLE		0	0	274
DOW INC COM	Stock	260557103	591	20,216	SH		SOLE		0	0	591
DUPONT DE NEMOURS INC COM	Stock	26614N102	643	18,849	SH		SOLE		0	0	643
EHEALTH INC COM	Stock	28238P109	339	2,405	SH		SOLE		0	0	339
EMERSON ELEC CO COM	Stock	291011104	43	900	SH		SOLE		0	0	43
EMPIRE ST RLTY OP L P UNIT LTD PRTNSP	Stock	292102100	115	12,904	SH		SOLE		0	0	115
ENTERPRISE PRODS PARTNERS L COM	Stock	293792107	1,059	74,080	SH		SOLE		0	0	1,059
EVENTBRITE INC COM CL A	Stock	29975E109	1,017	139,250	SH		SOLE		0	0	1,017
EXELON CORP COM	Stock	30161N101	495	13,450	SH		SOLE		0	0	495
EXXON MOBIL CORP COM	Stock	30231G102	215	5,670	SH		SOLE		0	0	215
FRANCHISE GROUP INC COM	Stock	35180X105	66	7,600	SH		SOLE		0	0	66
GW PHARMACEUTICALS PLC ADS	Stock	36197T103	2	25	SH		SOLE		0	0	2
GREENSKY INC CL A	Stock	39572G100	8	2,000	SH		SOLE		0	0	8
HTG MOLECULAR DIAGNOSTICS IN COM	Stock	40434H104	1,448	4,455,500	SH		SOLE		0	0	1,448
HP INC COM	Stock	40434L105	3	200	SH		SOLE		0	0	3
HARMONIC INC NOTE 4.00012 0	Stock	413160AB8	12	10,000	SH		SOLE		0	0	12
HEWLETT PACKARD ENTERPRISE C COM	Stock	42824C109	2	200	SH		SOLE		0	0	2
INFINERA CORP NOTE 2.125 9 0	Stock	45667GAC7	4,450	5,310,000	SH		SOLE		0	0	4,450
INOVALON HLDGS INC COM CL A	Stock	45781D101	16,102	966,500	SH		SOLE		0	0	16,102
INTERNATIONAL BUSINESS MACHS COM	Stock	459200101	542	4,882	SH		SOLE		0	0	542
ITERIS INC COM	Stock	46564T107	8,238	2,574,500	SH		SOLE		0	0	8,238
JPMORGAN CHASE & CO COM	Stock	46625H100	1,020	11,329	SH		SOLE		0	0	1,020
JOHNSON & JOHNSON COM	Stock	478160104	3,593	27,397	SH		SOLE		0	0	3,593
KKR & CO INC CL A	Stock	48251W104	2,423	103,250	SH		SOLE		0	0	2,423
KIMBERLY CLARK CORP COM	Stock	494368103	115	900	SH		SOLE		0	0	115
KINDER MORGAN INC DEL COM	Stock	49456B101	225	16,198	SH		SOLE		0	0	225
LEIDOS HOLDINGS INC COM	Stock	525327102	1,620	17,680	SH		SOLE		0	0	1,620
LENNAR CORP CL A	Stock	526057104	57	1,500	SH		SOLE		0	0	57
LENNAR CORP CL B	Stock	526057302	1	30	SH		SOLE		0	0	1
LIGAND PHARMACEUTICALS INC COM NEW	Stock	53220K504	633	8,700	SH		SOLE		0	0	633
LIMELIGHT NETWORKS INC COM	Stock	53261M104	3,981	698,500	SH		SOLE		0	0	3,981
LOCKHEED MARTIN CORP COM	Stock	539830109	136	400	SH		SOLE		0	0	136
LUMINEX CORP DEL COM	Stock	55027E102	5,841	212,155	SH		SOLE		0	0	5,841
MAGNOLIA OIL & GAS CORP CL A	Stock	559663109	0	50	SH		SOLE		0	0	0
MCDONALDS CORP COM	Stock	580135101	109	661	SH		SOLE		0	0	109
MERCK & CO. INC COM	Stock	58933Y105	31	400	SH		SOLE		0	0	31
MICRO FOCUS INTL PLC SPON ADR NEW	Stock	594837403	0	20	SH		SOLE		0	0	0
MICROSOFT CORP COM	Stock	594918104	1,542	9,775	SH		SOLE		0	0	1,542
MOBILEIRON INC COM NEW	Stock	60739U204	8	2,000	SH		SOLE		0	0	8
MONDELEZ INTL INC CL A	Stock	609207105	90	1,800	SH		SOLE		0	0	90
MORGAN STANLEY COM NEW	Stock	617446448	11	318	SH		SOLE		0	0	11
NATIONAL RESH CORP COM NEW	Stock	637372202	637	14,000	SH		SOLE		0	0	637
NATIONAL RETAIL PROPERTIES I COM	Stock	637417106	32	1,000	SH		SOLE		0	0	32
NEOGEN CORP COM	Stock	640491106	723	10,790	SH		SOLE		0	0	723
NEOGENOMICS INC COM NEW	Stock	64049M209	1,976	71,576	SH		SOLE		0	0	1,976
NEPHROS INC COM	Stock	640671400	975	154,800	SH		SOLE		0	0	975
NOKIA CORP SPONSORED ADR	Stock	654902204	1	166	SH		SOLE		0	0	1
NORTHROP GRUMMAN CORP COM	Stock	666807102	136	450	SH		SOLE		0	0	136
NOVARTIS A G SPONSORED ADR	Stock	66987V109	8	100	SH		SOLE		0	0	8
NOVO-NORDISK A S ADR	Stock	670100205	196	3,250	SH		SOLE		0	0	196
ORACLE CORP COM	Stock	68389X105	19	394	SH		SOLE		0	0	19
PDF SOLUTIONS INC COM	Stock	693282105	19,448	1,659,409	SH		SOLE		0	0	19,448
PAYCHEX INC COM	Stock	704326107	113	1,800	SH		SOLE		0	0	113
PAYPAL HLDGS INC COM	Stock	70450Y103	99	1,034	SH		SOLE		0	0	99
PEPSICO INC COM	Stock	713448108	136	1,130	SH		SOLE		0	0	136
PERSPECTA INC COM	Stock	715347100	0	8	SH		SOLE		0	0	0
PFIZER INC COM	Stock	717081103	2,604	79,775	SH		SOLE		0	0	2,604
PHILIP MORRIS INTL INC COM	Stock	718172109	73	1,000	SH		SOLE		0	0	73
QUOTIENT TECHNOLOGY INC COM	Stock	749119103	16,744	2,575,924	SH		SOLE		0	0	16,744
REDFIN CORP COM	Stock	75737F108	737	47,800	SH		SOLE		0	0	737
RESEARCH SOLUTIONS INC COM	Stock	761025105	3,675	1,229,100	SH		SOLE		0	0	3,675
RIBBON COMMUNICATIONS INC COM	Stock	762544104	511	168,719	SH		SOLE		0	0	511
RUBICON PROJ INC COM	Stock	78112V102	3,273	589,800	SH		SOLE		0	0	3,273
SPDR GOLD TRUST GOLD SHS	Stock	78463V107	24	160	SH		SOLE		0	0	24
SEMPRA ENERGY COM	Stock	816851109	90	800	SH		SOLE		0	0	90
SIRIUS XM HLDGS INC COM	Stock	82968B103	0	9	SH		SOLE		0	0	0
STARBUCKS CORP COM	Stock	855244109	1,465	22,285	SH		SOLE		0	0	1,465
STITCH FIX INC COM CL A	Stock	860897107	6	500	SH		SOLE		0	0	6
SYSCO CORP COM	Stock	871829107	48	1,060	SH		SOLE		0	0	48
TARGA RES CORP COM	Stock	87612G101	3	496	SH		SOLE		0	0	3
TECHTARGET INC COM	Stock	87874R100	1,621	78,650	SH		SOLE		0	0	1,621
TRANSACT TECHNOLOGIES INC COM	Stock	892918103	951	305,810	SH		SOLE		0	0	951
TRUECAR INC COM	Stock	89785L107	2	800	SH		SOLE		0	0	2
TYME TECHNOLOGIES INC COM	Stock	90238J103	6	5,300	SH		SOLE		0	0	6
UNILEVER PLC SPON ADR NEW	Stock	904767704	73	1,445	SH		SOLE		0	0	73
UNITED PARCEL SERVICE INC CL B	Stock	911312106	101	1,080	SH		SOLE		0	0	101
UNITEDHEALTH GROUP INC COM	Stock	91324P102	125	500	SH		SOLE		0	0	125
VANECK VECTORS ETF TR GOLD MINERS ETF	Stock	92189F106	69	3,000	SH		SOLE		0	0	69
VANECK VECTORS ETF TR JR GOLD MINERS E	Stock	92189F791	1	35	SH		SOLE		0	0	1
VERIZON COMMUNICATIONS INC COM	Stock	92343V104	122	2,263	SH		SOLE		0	0	122
VILLAGE FARMS INTL INC COM	Stock	92707Y108	0	100	SH		SOLE		0	0	0
VONAGE HLDGS CORP COM	Stock	92886T201	9,130	1,262,825	SH		SOLE		0	0	9,130
WEYERHAEUSER CO COM	Stock	962166104	51	3,000	SH		SOLE		0	0	51
WILLIAMS COS INC COM	Stock	969457100	14	1,000	SH		SOLE		0	0	14
ALLERGAN PLC SHS	Stock	G0177J108	32	181	SH		SOLE		0	0	32
ATHENE HLDG LTD CL A	Stock	G0684D107	62	2,500	SH		SOLE		0	0	62
INTERNATIONAL GAME TECHNOLOG SHS USD	Stock	G4863A108	54	9,000	SH		SOLE		0	0	54
ALCON INC ORD SHS	Stock	H01301128	1	20	SH		SOLE		0	0	1
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP	Stock	559080106	1,270	34,800	SH		SOLE		0	0	1,270
TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS	Stock	881624209	730	81,294	SH		SOLE		0	0	730
TEXAS INSTRS INC COM	Stock	882508104	301	3,012	SH		SOLE		0	0	301
PTC INC COM	Stock	69370C100	1,166	19,050	SH		SOLE		0	0	1,166
NIC INC COM	Stock	62914B100	472	20,500	SH		SOLE		0	0	472
KORNIT DIGITAL LTD SHS	Stock	M6372Q113	1,445	58,044	SH		SOLE		0	0	1,445
HARMONIC INC COM	Stock	413160102	2,030	352,350	SH		SOLE		0	0	2,030
HEALTHPEAK PROPERTIES INC COM	Stock	42250P103	191	8,000	SH		SOLE		0	0	191
3-D SYS CORP DEL COM NEW	Stock	88554D205	1,015	131,700	SH		SOLE		0	0	1,015
INTEL CORP COM	Stock	458140100	103	1,900	SH		SOLE		0	0	103
MACOM TECH SOLUTIONS HLDGS I COM	Stock	55405Y100	949	50,157	SH		SOLE		0	0	949
TRANE TECHNOLOGIES PLC SHS	Stock	G8994E103	153	1,850	SH		SOLE		0	0	153
CEVA INC COM	Stock	157210105	646	25,921	SH		SOLE		0	0	646
NVE CORP COM NEW	Stock	629445206	585	11,237	SH		SOLE		0	0	585
ALLEGION PLC ORD SHS	Stock	G0176J109	61	666	SH		SOLE		0	0	61
PROCTER & GAMBLE CO COM	Stock	742718109	55	500	SH		SOLE		0	0	55
APYX MED CORP COM	Stock	03837C106	932	259,714	SH		SOLE		0	0	932
ALPHABET INC CAP STK CL A	Stock	02079K305	46	40	SH		SOLE		0	0	46
GSI TECHNOLOGY COM	Stock	36241U106	714	102,575	SH		SOLE		0	0	714
NUSTAR ENERGY LP UNIT COM	Stock	67058H102	40	4,630	SH		SOLE		0	0	40
SUBURBAN PROPANE PARTNERS L UNIT LTD PARTN	Stock	864482104	71	5,013	SH		SOLE		0	0	71
GLOBAL PARTNERS LP COM UNITS	Stock	37946R109	37	4,150	SH		SOLE		0	0	37
ACCURAY INC COM	Stock	004397105	313	164,882	SH		SOLE		0	0	313
MPLX LP COM UNIT REP LTD	Stock	55336V100	66	5,674	SH		SOLE		0	0	66
BANK MONTREAL COM	Stock	063671101	38	753	SH		SOLE		0	0	38
METLIFE INC COM	Stock	59156R108	142	4,650	SH		SOLE		0	0	142
EBAY INC COM	Stock	278642103	30	1,000	SH		SOLE		0	0	30
NUTANIX INC CL A	Stock	67059N108	290	18,380	SH		SOLE		0	0	290
GENERAL ELECTRIC CO COM	Stock	369604103	116	14,670	SH		SOLE		0	0	116
ABBVIE INC COM	Stock	00287Y109	23	300	SH		SOLE		0	0	23
INGERSOLL RAND INC COM	Stock	45687V106	40	1,632	SH		SOLE		0	0	40
ANNALY CAPITAL MANAGEMENT IN COM	Stock	035710409	63	12,500	SH		SOLE		0	0	63
GANNETT CO INC COM	Stock	36472T109	193	130,400	SH		SOLE		0	0	193
SYNACOR INC COM	Stock	871561106	220	215,437	SH		SOLE		0	0	220
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN	Stock	726503105	18	3,400	SH		SOLE		0	0	18
EATON VANCE TAX-MANAGED GLOB COM	Stock	27829F108	17	2,700	SH		SOLE		0	0	17
DURECT CORP COM	Stock	266605104	113	72,628	SH		SOLE		0	0	113
LOWES COS INC COM	Stock	548661107	29	340	SH		SOLE		0	0	29
BOINGO WIRELESS INC COM	Stock	09739C102	97	9,100	SH		SOLE		0	0	97
CUI GLOBAL INC COM NEW	Stock	126576206	162	181,388	SH		SOLE		0	0	162
SCHLUMBERGER LTD COM	Stock	806857108	11	835	SH		SOLE		0	0	11
EOG RES INC COM	Stock	26875P101	11	300	SH		SOLE		0	0	11
FORMFACTOR INC COM	Stock	346375108	20	995	SH		SOLE		0	0	20
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT	Stock	958669103	12	3,813	SH		SOLE		0	0	12
HELMERICH & PAYNE INC COM	Stock	423452101	13	800	SH		SOLE		0	0	13
KOPIN CORP COM	Stock	500600101	96	273,518	SH		SOLE		0	0	96
PRGX GLOBAL INC COM NEW	Stock	69357C503	12	4,166	SH		SOLE		0	0	12
HIMAX TECHNOLOGIES INC SPONSORED ADR	Stock	43289P106	11	4,000	SH		SOLE		0	0	11
NEW RESIDENTIAL INVT CORP COM NEW	Stock	64828T201	8	1,600	SH		SOLE		0	0	8
OCCIDENTAL PETE CORP COM	Stock	674599105	6	550	SH		SOLE		0	0	6
CISCO SYS INC COM	Stock	17275R102	4	100	SH		SOLE		0	0	4
GREENLANE HLDGS INC CL A	Stock	395330103	4	2,100	SH		SOLE		0	0	4
OXFORD SQUARE CAP CORP COM	Stock	69181V107	6	2,400	SH		SOLE		0	0	6
EVERSPIN TECHNOLOGIES INC COM	Stock	30041T104	9	3,500	SH		SOLE		0	0	9
APACHE CORP COM	Stock	037411105	2	450	SH		SOLE		0	0	2
WABTEC COM	Stock	929740108	3	69	SH		SOLE		0	0	3
CITIGROUP INC COM NEW	Stock	172967424	1	35	SH		SOLE		0	0	1
HALLIBURTON CO COM	Stock	406216101	1	100	SH		SOLE		0	0	1
MICROVISION INC DEL COM NEW	Stock	594960304	1	6,200	SH		SOLE		0	0	1
NOBLE CORP PLC SHS USD	Stock	G65431101	0	800	SH		SOLE		0	0	0
CALIFORNIA RES CORP COM NEW	Stock	13057Q206	0	26	SH		SOLE		0	0	0
ADAMIS PHARMACEUTICALS CORP COM NEW	Stock	00547W208	0	6	SH		SOLE		0	0	0
CHROMADEX CORP COM NEW	Stock	171077407	7	2,083	SH		SOLE		0	0	7
VERU INC COM	Stock	92536C103	8	2,524	SH		SOLE		0	0	8
ALLOT LTD SHS	Stock	M0854Q105	174	17,802	SH		SOLE		0	0	174
ARCTURUS THERAPEUTICS HLDG I COM	Stock	03969T109	11	800	SH		SOLE		0	0	11
CYTOSORBENTS CORP COM NEW	Stock	23283X206	8	1,000	SH		SOLE		0	0	8
RADA ELECTR INDS LTD COM PAR NEW	Stock	M81863124	86	24,500	SH		SOLE		0	0	86
SYNCHRONOSS TECHNOLOGIES INC COM	Stock	87157B103	10	3,300	SH		SOLE		0	0	10
SOLITON INC COM	Stock	834251100	9	1,100	SH		SOLE		0	0	9
BIOMERICA INC COM NEW	Stock	09061H307	4	500	SH		SOLE		0	0	4
EXP WORLD HLDGS INC COM	Stock	30212W100	3	400	SH		SOLE		0	0	3
VOLITIONRX LTD COM	Stock	928661107	3	1,013	SH		SOLE		0	0	3
ONCOLYTICS BIOTECH INC COM NEW	Stock	682310875	1	500	SH		SOLE		0	0	1
FINJAN HLDGS INC COM NEW	Stock	31788H303	0	41	SH		SOLE		0	0	0
VASCULAR BIOGENICS LTD COM	Stock	M96883109	1	500	SH		SOLE		0	0	1
CAPSTONE TURBINE CORP COM	Stock	14067D508	0	50	SH		SOLE		0	0	0
PORTFOLIO RECOVERY ASSOCS IN NOTE 3.000 8 0	Stock	73640QAB1	10	10,000	SH		SOLE		0	0	10
COLGATE PALMOLIVE CO COM	Stock	194162103	23	350	SH		SOLE		0	0	23
SCHWEITZER-MAUDUIT INTL INC COM	Stock	808541106	8	300	SH		SOLE		0	0	8
SEAGATE TECHNOLOGY PLC SHS	Stock	G7945M107	7	150	SH		SOLE		0	0	7
MERCURY SYS INC COM	Stock	589378108	7	100	SH		SOLE		0	0	7
ROYAL DUTCH SHELL PLC SPONS ADR A	Stock	780259206	4	112	SH		SOLE		0	0	4
BAKER HUGHES COMPANY CL A	Stock	05722G100	3	300	SH		SOLE		0	0	3
VANGUARD ADMIRAL FDS INC MIDCP 400 IDX	Stock	921932885	8	79	SH		SOLE		0	0	8