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	14	473	SH		SOLE		0	0	14
ABBOTT LABS COM	Stock	002824100	55	500	SH		SOLE		0	0	55
ABBVIE INC COM	Stock	00287Y109	33	304	SH		SOLE		0	0	33
ACCELERATE DIAGNOSTICS INC NOTE 2.500 3/1	Stock	00430HAB8	4,291	7,580,000	SH		SOLE		0	0	4,291
ACCURAY INC COM	Stock	004397105	688	164,882	SH		SOLE		0	0	688
ADVANCED MICRO DEVICES INC COM	Stock	007903107	46	500	SH		SOLE		0	0	46
ALIBABA GROUP HLDG LTD SPONSORED ADS	Stock	01609W102	47	200	SH		SOLE		0	0	47
ALPHABET INC CAP STK CL C	Stock	02079K107	245	140	SH		SOLE		0	0	245
ALPHABET INC CAP STK CL A	Stock	02079K305	70	40	SH		SOLE		0	0	70
ALTRIA GROUP INC COM	Stock	02209S103	62	1,500	SH		SOLE		0	0	62
AMERICAN ELEC PWR CO INC COM	Stock	025537101	37	450	SH		SOLE		0	0	37
AMERICAN EXPRESS CO COM	Stock	025816109	24	200	SH		SOLE		0	0	24
ANALOG DEVICES INC COM	Stock	032654105	1,256	8,500	SH		SOLE		0	0	1,256
ANNALY CAPITAL MANAGEMENT IN COM	Stock	035710409	106	12,500	SH		SOLE		0	0	106
APACHE CORP COM	Stock	037411105	6	450	SH		SOLE		0	0	6
APOLLO GLOBAL MGMT INC COM CL A	Stock	03768E105	1,348	27,520	SH		SOLE		0	0	1,348
APPLE INC COM	Stock	037833100	475	3,580	SH		SOLE		0	0	475
APYX MEDICAL CORPORATION COM	Stock	03837C106	1,699	235,959	SH		SOLE		0	0	1,699
ARES CAPITAL CORP COM	Stock	04010L103	253	15,000	SH		SOLE		0	0	253
ASPEN AEROGELS INC COM	Stock	04523Y105	7,804	467,614	SH		SOLE		0	0	7,804
ASPIRA WOMENS HEALTH INC COM	Stock	04537Y109	101	15,000	SH		SOLE		0	0	101
ASTRAZENECA PLC SPONSORED ADR	Stock	046353108	2,663	53,270	SH		SOLE		0	0	2,663
BAKER HUGHES COMPANY CL A	Stock	05722G100	6	300	SH		SOLE		0	0	6
BK OF AMERICA CORP COM	Stock	060505104	23	760	SH		SOLE		0	0	23
BANK MONTREAL QUE COM	Stock	063671101	57	753	SH		SOLE		0	0	57
BARRICK GOLD CORP COM	Stock	067901108	23	1,000	SH		SOLE		0	0	23
BAUSCH HEALTH COS INC COM	Stock	071734107	1	26	SH		SOLE		0	0	1
BERKSHIRE HATHAWAY INC DEL CL B NEW	Stock	084670702	3,006	12,965	SH		SOLE		0	0	3,006
BLACKSTONE GROUP INC COM CL A	Stock	09260D107	428	6,600	SH		SOLE		0	0	428
BOINGO WIRELESS INC COM	Stock	09739C102	116	9,100	SH		SOLE		0	0	116
BRISTOL-MYERS SQUIBB CO COM	Stock	110122108	130	2,100	SH		SOLE		0	0	130
CASTLIGHT HEALTH INC CL B	Stock	14862Q100	5	3,700	SH		SOLE		0	0	5
CEVA INC COM	Stock	157210105	1,086	23,871	SH		SOLE		0	0	1,086
CHAMPIONS ONCOLOGY INC COM NEW	Stock	15870P307	146	13,500	SH		SOLE		0	0	146
CISCO SYS INC COM	Stock	17275R102	4	100	SH		SOLE		0	0	4
CITIGROUP INC COM NEW	Stock	172967424	2	35	SH		SOLE		0	0	2
COCA COLA CO COM	Stock	191216100	55	1,000	SH		SOLE		0	0	55
COLGATE PALMOLIVE CO COM	Stock	194162103	30	350	SH		SOLE		0	0	30
CORNING INC COM	Stock	219350105	49	1,350	SH		SOLE		0	0	49
CORTEVA INC COM	Stock	22052L104	357	9,216	SH		SOLE		0	0	357
CROWN CASTLE INTL CORP NEW COM	Stock	22822V101	1,108	6,960	SH		SOLE		0	0	1,108
DCP MIDSTREAM LP COM UT LTD PTN	Stock	23311P100	30	1,600	SH		SOLE		0	0	30
DARDEN RESTAURANTS INC COM	Stock	237194105	30	250	SH		SOLE		0	0	30
DEERE & CO COM	Stock	244199105	404	1,500	SH		SOLE		0	0	404
DIGIMARC CORP NEW COM	Stock	25381B101	5,849	123,818	SH		SOLE		0	0	5,849
DOMINION ENERGY INC COM	Stock	25746U109	60	800	SH		SOLE		0	0	60
DOW INC COM	Stock	260557103	1,344	24,216	SH		SOLE		0	0	1,344
DUPONT DE NEMOURS INC COM	Stock	26614N102	1,269	17,849	SH		SOLE		0	0	1,269
DURECT CORP COM	Stock	266605104	153	74,128	SH		SOLE		0	0	153
EOG RES INC COM	Stock	26875P101	15	300	SH		SOLE		0	0	15
EATON VANCE TAX-MANAGED GLOB COM	Stock	27829F108	24	2,700	SH		SOLE		0	0	24
EBAY INC. COM	Stock	278642103	50	1,000	SH		SOLE		0	0	50
EHEALTH INC COM	Stock	28238P109	29	405	SH		SOLE		0	0	29
EMERSON ELEC CO COM	Stock	291011104	72	900	SH		SOLE		0	0	72
EMPIRE ST RLTY OP L P UNIT LTD PRTNSP	Stock	292102100	118	12,904	SH		SOLE		0	0	118
ENTERPRISE PRODS PARTNERS L COM	Stock	293792107	1,451	74,080	SH		SOLE		0	0	1,451
EVENTBRITE INC COM CL A	Stock	29975E109	44	2,450	SH		SOLE		0	0	44
EVERSPIN TECHNOLOGIES INC COM	Stock	30041T104	16	3,500	SH		SOLE		0	0	16
EXELON CORP COM	Stock	30161N101	897	21,250	SH		SOLE		0	0	897
EXXON MOBIL CORP COM	Stock	30231G102	139	3,370	SH		SOLE		0	0	139
FRANCHISE GROUP INC COM	Stock	35180X105	7,875	258,630	SH		SOLE		0	0	7,875
GW PHARMACEUTICALS PLC ADS	Stock	36197T103	3	25	SH		SOLE		0	0	3
GSI TECHNOLOGY COM	Stock	36241U106	942	127,356	SH		SOLE		0	0	942
GANNETT CO INC COM	Stock	36472T109	425	126,500	SH		SOLE		0	0	425
GENERAL ELECTRIC CO COM	Stock	369604103	145	13,470	SH		SOLE		0	0	145
GENMARK DIAGNOSTICS INC COM	Stock	372309104	7,402	507,000	SH		SOLE		0	0	7,402
GLOBAL PARTNERS LP COM UNITS	Stock	37946R109	69	4,150	SH		SOLE		0	0	69
GOLUB CAP BDC INC COM	Stock	38173M102	13	900	SH		SOLE		0	0	13
GREENLANE HLDGS INC CL A	Stock	395330103	8	2,100	SH		SOLE		0	0	8
HTG MOLECULAR DIAGNOSTICS IN COM NEW	Stock	40434H203	2,117	441,918	SH		SOLE		0	0	2,117
HP INC COM	Stock	40434L105	5	200	SH		SOLE		0	0	5
HALLIBURTON CO COM	Stock	406216101	2	100	SH		SOLE		0	0	2
HARMONIC INC COM	Stock	413160102	2,580	349,155	SH		SOLE		0	0	2,580
HEALTHPEAK PROPERTIES INC COM	Stock	42250P103	242	8,000	SH		SOLE		0	0	242
HELMERICH & PAYNE INC COM	Stock	423452101	19	800	SH		SOLE		0	0	19
HEWLETT PACKARD ENTERPRISE C COM	Stock	42824C109	2	200	SH		SOLE		0	0	2
HIMAX TECHNOLOGIES INC SPONSORED ADR	Stock	43289P106	30	4,000	SH		SOLE		0	0	30
INFINERA CORP NOTE 2.125 9/0	Stock	45667GAC7	1,587	1,280,000	SH		SOLE		0	0	1,587
INGERSOLL RAND INC COM	Stock	45687V106	74	1,632	SH		SOLE		0	0	74
INOVALON HLDGS INC COM CL A	Stock	45781D101	11,816	650,300	SH		SOLE		0	0	11,816
INTEL CORP COM	Stock	458140100	95	1,900	SH		SOLE		0	0	95
INTERNATIONAL BUSINESS MACHS COM	Stock	459200101	613	4,870	SH		SOLE		0	0	613
ITERIS INC NEW COM	Stock	46564T107	8,967	1,587,000	SH		SOLE		0	0	8,967
JPMORGAN CHASE & CO COM	Stock	46625H100	177	1,395	SH		SOLE		0	0	177
JOHNSON & JOHNSON COM	Stock	478160104	2,878	18,285	SH		SOLE		0	0	2,878
KKR & CO INC COM	Stock	48251W104	2,480	61,250	SH		SOLE		0	0	2,480
KALEYRA INC COM	Stock	483379103	20	2,000	SH		SOLE		0	0	20
KIMBERLY-CLARK CORP COM	Stock	494368103	121	900	SH		SOLE		0	0	121
KINDER MORGAN INC DEL COM	Stock	49456B101	221	16,180	SH		SOLE		0	0	221
KOPIN CORP COM	Stock	500600101	557	229,400	SH		SOLE		0	0	557
LANTHEUS HLDGS INC COM	Stock	516544103	130	9,600	SH		SOLE		0	0	130
LEIDOS HOLDINGS INC COM	Stock	525327102	1,628	15,490	SH		SOLE		0	0	1,628
LENNAR CORP CL A	Stock	526057104	114	1,500	SH		SOLE		0	0	114
LENNAR CORP CL B	Stock	526057302	2	30	SH		SOLE		0	0	2
LIGAND PHARMACEUTICALS INC COM NEW	Stock	53220K504	169	1,700	SH		SOLE		0	0	169
LIMELIGHT NETWORKS INC COM	Stock	53261M104	90	22,500	SH		SOLE		0	0	90
LOCKHEED MARTIN CORP COM	Stock	539830109	142	400	SH		SOLE		0	0	142
LOWES COS INC COM	Stock	548661107	55	340	SH		SOLE		0	0	55
LUMINEX CORP DEL COM	Stock	55027E102	3,951	170,870	SH		SOLE		0	0	3,951
MPLX LP COM UNIT REP LTD	Stock	55336V100	123	5,674	SH		SOLE		0	0	123
MACOM TECH SOLUTIONS HLDGS I COM	Stock	55405Y100	2,216	40,258	SH		SOLE		0	0	2,216
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP	Stock	559080106	1,477	34,800	SH		SOLE		0	0	1,477
MAGNITE INC COM	Stock	55955D100	415	13,500	SH		SOLE		0	0	415
MCDONALDS CORP COM	Stock	580135101	142	661	SH		SOLE		0	0	142
MERCK & CO. INC COM	Stock	58933Y105	33	400	SH		SOLE		0	0	33
MERCURY SYS INC COM	Stock	589378108	9	100	SH		SOLE		0	0	9
METLIFE INC COM	Stock	59156R108	218	4,650	SH		SOLE		0	0	218
MICROSOFT CORP COM	Stock	594918104	1,974	8,875	SH		SOLE		0	0	1,974
MORGAN STANLEY COM NEW	Stock	617446448	22	318	SH		SOLE		0	0	22
NIC INC COM	Stock	62914B100	471	18,222	SH		SOLE		0	0	471
NVE CORP COM NEW	Stock	629445206	614	10,937	SH		SOLE		0	0	614
NATIONAL RESH CORP COM NEW	Stock	637372202	299	7,000	SH		SOLE		0	0	299
NATIONAL RETAIL PROPERTIES I COM	Stock	637417106	41	1,000	SH		SOLE		0	0	41
NEOGEN CORP COM	Stock	640491106	829	10,450	SH		SOLE		0	0	829
NEOGENOMICS INC COM NEW	Stock	64049M209	1,362	25,300	SH		SOLE		0	0	1,362
NEPHROS INC COM	Stock	640671400	4,934	575,077	SH		SOLE		0	0	4,934
NEW RESIDENTIAL INVT CORP COM NEW	Stock	64828T201	14	1,400	SH		SOLE		0	0	14
NORTHROP GRUMMAN CORP COM	Stock	666807102	137	450	SH		SOLE		0	0	137
NOVARTIS AG SPONSORED ADR	Stock	66987V109	9	100	SH		SOLE		0	0	9
NOVO-NORDISK A S ADR	Stock	670100205	227	3,250	SH		SOLE		0	0	227
NUSTAR ENERGY LP UNIT COM	Stock	67058H102	67	4,630	SH		SOLE		0	0	67
NUTANIX INC CL A	Stock	67059N108	533	16,730	SH		SOLE		0	0	533
OCCIDENTAL PETE CORP COM	Stock	674599105	10	550	SH		SOLE		0	0	10
ORACLE CORP COM	Stock	68389X105	25	394	SH		SOLE		0	0	25
ORBITAL ENERGY GROUP INC COM	Stock	68559A109	349	159,463	SH		SOLE		0	0	349
OXFORD SQUARE CAP CORP COM	Stock	69181V107	7	2,400	SH		SOLE		0	0	7
PDF SOLUTIONS INC COM	Stock	693282105	33,751	1,562,526	SH		SOLE		0	0	33,751
PTC INC COM	Stock	69370C100	1,926	16,100	SH		SOLE		0	0	1,926
PAYCHEX INC COM	Stock	704326107	168	1,800	SH		SOLE		0	0	168
PAYPAL HLDGS INC COM	Stock	70450Y103	242	1,034	SH		SOLE		0	0	242
PEPSICO INC COM	Stock	713448108	34	230	SH		SOLE		0	0	34
PFIZER INC COM	Stock	717081103	2,649	71,975	SH		SOLE		0	0	2,649
PHILIP MORRIS INTL INC COM	Stock	718172109	83	1,000	SH		SOLE		0	0	83
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN	Stock	726503105	28	3,400	SH		SOLE		0	0	28
PROCTER AND GAMBLE CO COM	Stock	742718109	70	500	SH		SOLE		0	0	70
QUOTIENT TECHNOLOGY INC COM	Stock	749119103	31,188	3,310,877	SH		SOLE		0	0	31,188
RESEARCH SOLUTIONS INC COM	Stock	761025105	1,575	676,000	SH		SOLE		0	0	1,575
RIBBON COMMUNICATIONS INC COM	Stock	762544104	941	143,519	SH		SOLE		0	0	941
ROYAL DUTCH SHELL PLC SPONS ADR A	Stock	780259206	4	112	SH		SOLE		0	0	4
SPDR GOLD TR GOLD SHS	Stock	78463V107	4	20	SH		SOLE		0	0	4
SCHLUMBERGER LTD COM	Stock	806857108	18	835	SH		SOLE		0	0	18
SCHWEITZER-MAUDUIT INTL INC COM	Stock	808541106	16	400	SH		SOLE		0	0	16
SEMPRA ENERGY COM	Stock	816851109	102	800	SH		SOLE		0	0	102
STARBUCKS CORP COM	Stock	855244109	2,341	21,885	SH		SOLE		0	0	2,341
SUBURBAN PROPANE PARTNERS L UNIT LTD PARTN	Stock	864482104	74	5,013	SH		SOLE		0	0	74
SYNACOR INC COM	Stock	871561106	248	182,088	SH		SOLE		0	0	248
SYNCHRONOSS TECHNOLOGIES INC COM	Stock	87157B103	8	1,700	SH		SOLE		0	0	8
SYSCO CORP COM	Stock	871829107	14	185	SH		SOLE		0	0	14
TARGA RES CORP COM	Stock	87612G101	13	496	SH		SOLE		0	0	13
TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS	Stock	881624209	784	81,294	SH		SOLE		0	0	784
TEXAS INSTRS INC COM	Stock	882508104	494	3,012	SH		SOLE		0	0	494
3-D SYS CORP DEL COM NEW	Stock	88554D205	1,427	136,200	SH		SOLE		0	0	1,427
TRANSACT TECHNOLOGIES INC COM	Stock	892918103	1,757	247,467	SH		SOLE		0	0	1,757
UNILEVER PLC SPON ADR NEW	Stock	904767704	87	1,445	SH		SOLE		0	0	87
UNITED PARCEL SERVICE INC CL B	Stock	911312106	51	300	SH		SOLE		0	0	51
UNITEDHEALTH GROUP INC COM	Stock	91324P102	175	500	SH		SOLE		0	0	175
VANGUARD ADMIRAL FDS INC MIDCP 400 IDX	Stock	921932885	9	59	SH		SOLE		0	0	9
VERIZON COMMUNICATIONS INC COM	Stock	92343V104	133	2,263	SH		SOLE		0	0	133
VIATRIS INC COM	Stock	92556V106	226	12,071	SH		SOLE		0	0	226
VONAGE HLDGS CORP COM	Stock	92886T201	10,021	778,300	SH		SOLE		0	0	10,021
VONAGE HLDGS CORP NOTE 1.750 6/0	Stock	92886TAJ1	2,560	2,370,000	SH		SOLE		0	0	2,560
WABTEC COM	Stock	929740108	5	69	SH		SOLE		0	0	5
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT	Stock	958669103	53	3,813	SH		SOLE		0	0	53
WILLIAMS COS INC COM	Stock	969457100	20	1,000	SH		SOLE		0	0	20
ALLEGION PLC ORD SHS	Stock	G0176J109	78	666	SH		SOLE		0	0	78
GAN LTD ORD SHS	Stock	G3728V109	12,752	628,800	SH		SOLE		0	0	12,752
SEAGATE TECHNOLOGY PLC SHS	Stock	G7945M107	9	150	SH		SOLE		0	0	9
TRANE TECHNOLOGIES PLC SHS	Stock	G8994E103	269	1,850	SH		SOLE		0	0	269
ALCON AG ORD SHS	Stock	H01301128	1	20	SH		SOLE		0	0	1
ALLOT LTD SHS	Stock	M0854Q105	164	15,600	SH		SOLE		0	0	164
KORNIT DIGITAL LTD SHS	Stock	M6372Q113	4,563	51,194	SH		SOLE		0	0	4,563
RADA ELECTR INDS LTD COM PAR NEW	Stock	M81863124	224	23,000	SH		SOLE		0	0	224