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	60	500	SH		SOLE		0	0	60
ABBVIE INC COM	Stock	00287Y109	33	304	SH		SOLE		0	0	33
ACCELERATE DIAGNOSTICS INC NOTE 2.500 3/1	Stock	00430HAB8	4,969	7,580,000	SH		SOLE		0	0	4,969
ACCURAY INC COM	Stock	004397105	846	170,882	SH		SOLE		0	0	846
ADVANCED MICRO DEVICES INC COM	Stock	007903107	39	500	SH		SOLE		0	0	39
ALIBABA GROUP HLDG LTD SPONSORED ADS	Stock	01609W102	45	200	SH		SOLE		0	0	45
ALPHABET INC CAP STK CL C	Stock	02079K107	290	140	SH		SOLE		0	0	290
ALPHABET INC CAP STK CL A	Stock	02079K305	83	40	SH		SOLE		0	0	83
ALTRIA GROUP INC COM	Stock	02209S103	77	1,500	SH		SOLE		0	0	77
AMERICAN ELEC PWR CO INC COM	Stock	025537101	38	450	SH		SOLE		0	0	38
AMERICAN EXPRESS CO COM	Stock	025816109	28	200	SH		SOLE		0	0	28
ANALOG DEVICES INC COM	Stock	032654105	1,434	9,250	SH		SOLE		0	0	1,434
ANNALY CAPITAL MANAGEMENT IN COM	Stock	035710409	108	12,500	SH		SOLE		0	0	108
APA CORPORATION COM	Stock	03743Q108	8	450	SH		SOLE		0	0	8
APOLLO GLOBAL MGMT INC COM CL A	Stock	03768E105	1,374	29,220	SH		SOLE		0	0	1,374
APPLE INC COM	Stock	037833100	437	3,580	SH		SOLE		0	0	437
APYX MEDICAL CORPORATION COM	Stock	03837C106	2,405	248,959	SH		SOLE		0	0	2,405
ARES CAPITAL CORP COM	Stock	04010L103	281	15,000	SH		SOLE		0	0	281
ASPEN AEROGELS INC COM	Stock	04523Y105	7,922	389,500	SH		SOLE		0	0	7,922
ASTRAZENECA PLC SPONSORED ADR	Stock	046353108	2,661	53,520	SH		SOLE		0	0	2,661
BAKER HUGHES COMPANY CL A	Stock	05722G100	6	300	SH		SOLE		0	0	6
BK OF AMERICA CORP COM	Stock	060505104	29	760	SH		SOLE		0	0	29
BANK MONTREAL QUE COM	Stock	063671101	67	753	SH		SOLE		0	0	67
BARRICK GOLD CORP COM	Stock	067901108	20	1,000	SH		SOLE		0	0	20
BAUSCH HEALTH COS INC COM	Stock	071734107	1	26	SH		SOLE		0	0	1
BERKSHIRE HATHAWAY INC DEL CL B NEW	Stock	084670702	3,357	13,140	SH		SOLE		0	0	3,357
BLACKSTONE GROUP INC COM	Stock	09260D107	492	6,600	SH		SOLE		0	0	492
BRISTOL-MYERS SQUIBB CO COM	Stock	110122108	133	2,100	SH		SOLE		0	0	133
CASTLIGHT HEALTH INC CL B	Stock	14862Q100	6	3,700	SH		SOLE		0	0	6
CEVA INC COM	Stock	157210105	1,441	25,656	SH		SOLE		0	0	1,441
CHAMPIONS ONCOLOGY INC COM NEW	Stock	15870P307	153	13,500	SH		SOLE		0	0	153
CHURCHILL CAPITAL CORP IV CL A	Stock	171439102	23	1,000	SH		SOLE		0	0	23
CISCO SYS INC COM	Stock	17275R102	5	100	SH		SOLE		0	0	5
CITIGROUP INC COM NEW	Stock	172967424	3	35	SH		SOLE		0	0	3
COCA COLA CO COM	Stock	191216100	53	1,000	SH		SOLE		0	0	53
COLGATE PALMOLIVE CO COM	Stock	194162103	28	350	SH		SOLE		0	0	28
COMSCORE INC COM	Stock	20564W105	4,178	1,141,600	SH		SOLE		0	0	4,178
CORNING INC COM	Stock	219350105	59	1,350	SH		SOLE		0	0	59
CORTEVA INC COM	Stock	22052L104	430	9,216	SH		SOLE		0	0	430
CROWN CASTLE INTL CORP NEW COM	Stock	22822V101	1,875	10,895	SH		SOLE		0	0	1,875
DCP MIDSTREAM LP COM UT LTD PTN	Stock	23311P100	35	1,600	SH		SOLE		0	0	35
DXC TECHNOLOGY CO COM	Stock	23355L106	1	16	SH		SOLE		0	0	1
DARDEN RESTAURANTS INC COM	Stock	237194105	36	250	SH		SOLE		0	0	36
DEERE & CO COM	Stock	244199105	561	1,500	SH		SOLE		0	0	561
DIGIMARC CORP NEW COM	Stock	25381B101	3,841	129,493	SH		SOLE		0	0	3,841
DOMINION ENERGY INC COM	Stock	25746U109	61	800	SH		SOLE		0	0	61
DOW INC COM	Stock	260557103	1,548	24,216	SH		SOLE		0	0	1,548
DUPONT DE NEMOURS INC COM	Stock	26614N102	1,379	17,849	SH		SOLE		0	0	1,379
DURECT CORP COM	Stock	266605104	162	81,678	SH		SOLE		0	0	162
EOG RES INC COM	Stock	26875P101	22	300	SH		SOLE		0	0	22
EATON VANCE TAX-MANAGED GLOB COM	Stock	27829F108	25	2,700	SH		SOLE		0	0	25
EBAY INC. COM	Stock	278642103	61	1,000	SH		SOLE		0	0	61
EHEALTH INC COM	Stock	28238P109	29	405	SH		SOLE		0	0	29
EMERSON ELEC CO COM	Stock	291011104	81	900	SH		SOLE		0	0	81
EMPIRE ST RLTY OP L P UNIT LTD PRTNSP	Stock	292102100	143	12,904	SH		SOLE		0	0	143
ENTERPRISE PRODS PARTNERS L COM	Stock	293792107	1,631	74,080	SH		SOLE		0	0	1,631
EVERSPIN TECHNOLOGIES INC COM	Stock	30041T104	23	3,750	SH		SOLE		0	0	23
EXELON CORP COM	Stock	30161N101	938	21,450	SH		SOLE		0	0	938
EXXON MOBIL CORP COM	Stock	30231G102	188	3,370	SH		SOLE		0	0	188
FLUIDIGM CORP DEL COM	Stock	34385P108	4,443	983,000	SH		SOLE		0	0	4,443
FRANCHISE GROUP INC COM	Stock	35180X105	9,677	268,000	SH		SOLE		0	0	9,677
GTY TECHNOLOGY HOLDINGS INC COM	Stock	362409104	3,524	551,450	SH		SOLE		0	0	3,524
GSI TECHNOLOGY COM	Stock	36241U106	1,035	154,656	SH		SOLE		0	0	1,035
GANNETT CO INC COM	Stock	36472T109	726	134,900	SH		SOLE		0	0	726
GENERAL ELECTRIC CO COM	Stock	369604103	177	13,470	SH		SOLE		0	0	177
GENMARK DIAGNOSTICS INC COM	Stock	372309104	4,179	174,850	SH		SOLE		0	0	4,179
GLOBAL PARTNERS LP COM UNITS	Stock	37946R109	89	4,150	SH		SOLE		0	0	89
GOLUB CAP BDC INC COM	Stock	38173M102	227	15,500	SH		SOLE		0	0	227
GREENLANE HLDGS INC CL A	Stock	395330103	11	2,100	SH		SOLE		0	0	11
HTG MOLECULAR DIAGNOSTICS IN COM NEW	Stock	40434H203	2,866	524,033	SH		SOLE		0	0	2,866
HP INC COM	Stock	40434L105	6	200	SH		SOLE		0	0	6
HALLIBURTON CO COM	Stock	406216101	2	100	SH		SOLE		0	0	2
HARMONIC INC COM	Stock	413160102	2,867	365,694	SH		SOLE		0	0	2,867
HEALTHPEAK PROPERTIES INC COM	Stock	42250P103	254	8,000	SH		SOLE		0	0	254
HELMERICH & PAYNE INC COM	Stock	423452101	8	300	SH		SOLE		0	0	8
HEWLETT PACKARD ENTERPRISE C COM	Stock	42824C109	3	200	SH		SOLE		0	0	3
HIMAX TECHNOLOGIES INC SPONSORED ADR	Stock	43289P106	14	1,000	SH		SOLE		0	0	14
INFINERA CORP NOTE 2.125 9/0	Stock	45667GAC7	1,520	1,280,000	SH		SOLE		0	0	1,520
INGERSOLL RAND INC COM	Stock	45687V106	80	1,632	SH		SOLE		0	0	80
INOVALON HLDGS INC COM CL A	Stock	45781D101	16,416	570,400	SH		SOLE		0	0	16,416
INTEL CORP COM	Stock	458140100	115	1,800	SH		SOLE		0	0	115
INTERNATIONAL BUSINESS MACHS COM	Stock	459200101	716	5,370	SH		SOLE		0	0	716
INTERNATIONAL FLAVORS&FRAGRA COM	Stock	459506101	1,927	13,805	SH		SOLE		0	0	1,927
ITERIS INC NEW COM	Stock	46564T107	10,197	1,652,750	SH		SOLE		0	0	10,197
JPMORGAN CHASE & CO COM	Stock	46625H100	212	1,395	SH		SOLE		0	0	212
JOHNSON & JOHNSON COM	Stock	478160104	3,001	18,260	SH		SOLE		0	0	3,001
KKR & CO INC COM	Stock	48251W104	2,870	58,750	SH		SOLE		0	0	2,870
KALEYRA INC COM	Stock	483379103	28	2,000	SH		SOLE		0	0	28
KIMBERLY-CLARK CORP COM	Stock	494368103	125	900	SH		SOLE		0	0	125
KINDER MORGAN INC DEL COM	Stock	49456B101	269	16,180	SH		SOLE		0	0	269
KOPIN CORP COM	Stock	500600101	2,181	207,900	SH		SOLE		0	0	2,181
LANTHEUS HLDGS INC COM	Stock	516544103	227	10,600	SH		SOLE		0	0	227
LEIDOS HOLDINGS INC COM	Stock	525327102	1,591	16,520	SH		SOLE		0	0	1,591
LENNAR CORP CL A	Stock	526057104	152	1,500	SH		SOLE		0	0	152
LENNAR CORP CL B	Stock	526057302	2	30	SH		SOLE		0	0	2
LOCKHEED MARTIN CORP COM	Stock	539830109	148	400	SH		SOLE		0	0	148
LOWES COS INC COM	Stock	548661107	65	340	SH		SOLE		0	0	65
LUMINEX CORP DEL COM	Stock	55027E102	5,778	181,120	SH		SOLE		0	0	5,778
MPLX LP COM UNIT REP LTD	Stock	55336V100	145	5,674	SH		SOLE		0	0	145
MACOM TECH SOLUTIONS HLDGS I COM	Stock	55405Y100	2,478	42,708	SH		SOLE		0	0	2,478
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP	Stock	559080106	1,509	34,800	SH		SOLE		0	0	1,509
MCDONALDS CORP COM	Stock	580135101	148	661	SH		SOLE		0	0	148
MERCK & CO. INC COM	Stock	58933Y105	31	400	SH		SOLE		0	0	31
MERCURY SYS INC COM	Stock	589378108	7	100	SH		SOLE		0	0	7
METLIFE INC COM	Stock	59156R108	283	4,650	SH		SOLE		0	0	283
MICROSOFT CORP COM	Stock	594918104	2,092	8,875	SH		SOLE		0	0	2,092
MORGAN STANLEY COM NEW	Stock	617446448	25	318	SH		SOLE		0	0	25
NIC INC COM	Stock	62914B100	160	4,722	SH		SOLE		0	0	160
NVE CORP COM NEW	Stock	629445206	802	11,437	SH		SOLE		0	0	802
NATIONAL RESH CORP COM NEW	Stock	637372202	328	7,000	SH		SOLE		0	0	328
NATIONAL RETAIL PROPERTIES I COM	Stock	637417106	44	1,000	SH		SOLE		0	0	44
NEOGEN CORP COM	Stock	640491106	929	10,450	SH		SOLE		0	0	929
NEOGENOMICS INC COM NEW	Stock	64049M209	1,278	26,500	SH		SOLE		0	0	1,278
NEPHROS INC COM	Stock	640671400	4,141	622,750	SH		SOLE		0	0	4,141
NEW RESIDENTIAL INVT CORP COM NEW	Stock	64828T201	18	1,600	SH		SOLE		0	0	18
NORTHROP GRUMMAN CORP COM	Stock	666807102	146	450	SH		SOLE		0	0	146
NOVARTIS AG SPONSORED ADR	Stock	66987V109	9	100	SH		SOLE		0	0	9
NOVO-NORDISK A S ADR	Stock	670100205	219	3,250	SH		SOLE		0	0	219
NUTANIX INC CL A	Stock	67059N108	466	17,530	SH		SOLE		0	0	466
OCCIDENTAL PETE CORP W EXP 08/03/202	Stock	674599162	1	68	SH		SOLE		0	0	1
ORACLE CORP COM	Stock	68389X105	28	394	SH		SOLE		0	0	28
ORBITAL ENERGY GROUP INC COM	Stock	68559A109	1,072	175,663	SH		SOLE		0	0	1,072
OXFORD SQUARE CAP CORP COM	Stock	69181V107	7	1,400	SH		SOLE		0	0	7
PDF SOLUTIONS INC COM	Stock	693282105	30,516	1,716,328	SH		SOLE		0	0	30,516
PTC INC COM	Stock	69370C100	2,175	15,800	SH		SOLE		0	0	2,175
PAYCHEX INC COM	Stock	704326107	176	1,800	SH		SOLE		0	0	176
PAYPAL HLDGS INC COM	Stock	70450Y103	251	1,034	SH		SOLE		0	0	251
PENN NATL GAMING INC COM	Stock	707569109	10	100	SH		SOLE		0	0	10
PEPSICO INC COM	Stock	713448108	33	230	SH		SOLE		0	0	33
PFIZER INC COM	Stock	717081103	2,631	72,625	SH		SOLE		0	0	2,631
PHILIP MORRIS INTL INC COM	Stock	718172109	89	1,000	SH		SOLE		0	0	89
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN	Stock	726503105	31	3,400	SH		SOLE		0	0	31
PROCTER AND GAMBLE CO COM	Stock	742718109	68	500	SH		SOLE		0	0	68
QUOTIENT TECHNOLOGY INC COM	Stock	749119103	47,338	2,897,074	SH		SOLE		0	0	47,338
RECRO PHARMA INC COM	Stock	75629F109	1,313	470,500	SH		SOLE		0	0	1,313
RESEARCH SOLUTIONS INC COM	Stock	761025105	3,845	1,657,500	SH		SOLE		0	0	3,845
RIBBON COMMUNICATIONS INC COM	Stock	762544104	1,155	140,719	SH		SOLE		0	0	1,155
ROYAL DUTCH SHELL PLC SPONS ADR A	Stock	780259206	4	112	SH		SOLE		0	0	4
SPDR GOLD TR GOLD SHS	Stock	78463V107	3	20	SH		SOLE		0	0	3
SCHLUMBERGER LTD COM	Stock	806857108	23	835	SH		SOLE		0	0	23
SCHWEITZER-MAUDUIT INTL INC COM	Stock	808541106	20	400	SH		SOLE		0	0	20
SEMPRA ENERGY COM	Stock	816851109	106	800	SH		SOLE		0	0	106
STARBUCKS CORP COM	Stock	855244109	2,391	21,885	SH		SOLE		0	0	2,391
SUBURBAN PROPANE PARTNERS L UNIT LTD PARTN	Stock	864482104	74	5,013	SH		SOLE		0	0	74
SYNACOR INC COM	Stock	871561106	384	175,454	SH		SOLE		0	0	384
SYNCHRONOSS TECHNOLOGIES INC COM	Stock	87157B103	6	1,700	SH		SOLE		0	0	6
SYSCO CORP COM	Stock	871829107	15	185	SH		SOLE		0	0	15
TARGA RES CORP COM	Stock	87612G101	16	496	SH		SOLE		0	0	16
TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS	Stock	881624209	938	81,294	SH		SOLE		0	0	938
TEXAS INSTRS INC COM	Stock	882508104	569	3,012	SH		SOLE		0	0	569
3-D SYS CORP DEL COM NEW	Stock	88554D205	3,393	123,650	SH		SOLE		0	0	3,393
TRANSACT TECHNOLOGIES INC COM	Stock	892918103	2,745	252,567	SH		SOLE		0	0	2,745
TYME TECHNOLOGIES INC COM	Stock	90238J103	1	300	SH		SOLE		0	0	1
UNILEVER PLC SPON ADR NEW	Stock	904767704	81	1,445	SH		SOLE		0	0	81
UNITED PARCEL SERVICE INC CL B	Stock	911312106	51	300	SH		SOLE		0	0	51
UNITEDHEALTH GROUP INC COM	Stock	91324P102	186	500	SH		SOLE		0	0	186
VANGUARD ADMIRAL FDS INC MIDCP 400 IDX	Stock	921932885	7	39	SH		SOLE		0	0	7
VERIZON COMMUNICATIONS INC COM	Stock	92343V104	132	2,263	SH		SOLE		0	0	132
VOLITIONRX LTD COM	Stock	928661107	139	36,700	SH		SOLE		0	0	139
VONAGE HLDGS CORP COM	Stock	92886T201	11,702	990,050	SH		SOLE		0	0	11,702
VONAGE HLDGS CORP NOTE 1.750 6/0	Stock	92886TAJ1	2,485	2,370,000	SH		SOLE		0	0	2,485
WABTEC COM	Stock	929740108	5	69	SH		SOLE		0	0	5
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT	Stock	958669103	71	3,813	SH		SOLE		0	0	71
WILLIAMS COS INC COM	Stock	969457100	24	1,000	SH		SOLE		0	0	24
ALLEGION PLC ORD SHS	Stock	G0176J109	84	666	SH		SOLE		0	0	84
GAN LTD ORD SHS	Stock	G3728V109	2,747	150,950	SH		SOLE		0	0	2,747
SEAGATE TECHNOLOGY PLC SHS	Stock	G7945M107	12	150	SH		SOLE		0	0	12
TRANE TECHNOLOGIES PLC SHS	Stock	G8994E103	306	1,850	SH		SOLE		0	0	306
ALCON AG ORD SHS	Stock	H01301128	1	20	SH		SOLE		0	0	1
ALLOT LTD SHS	Stock	M0854Q105	249	15,600	SH		SOLE		0	0	249
KORNIT DIGITAL LTD SHS	Stock	M6372Q113	5,154	51,994	SH		SOLE		0	0	5,154
RADA ELECTR INDS LTD COM PAR NEW	Stock	M81863124	276	23,000	SH		SOLE		0	0	276