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	10	323	SH		SOLE		0	0	10
ABBOTT LABS COM	Stock	002824100	46	500	SH		SOLE		0	0	46
ABBVIE INC COM	Stock	00287Y109	30	304	SH		SOLE		0	0	30
ACCELERATE DIAGNOSTICS INC NOTE 2.500 3 1	Stock	00430HAB8	4,268	6,020,000	SH		SOLE		0	0	4,268
ACCURAY INC COM	Stock	004397105	335	164,882	SH		SOLE		0	0	335
ADAMIS PHARMACEUTICALS CORP COM NEW	Stock	00547W208	0	6	SH		SOLE		0	0	0
ADVANCED MICRO DEVICES INC COM	Stock	007903107	26	500	SH		SOLE		0	0	26
ALIBABA GROUP HLDG LTD SPONSORED ADS	Stock	01609W102	43	200	SH		SOLE		0	0	43
ALPHABET INC CAP STK CL C	Stock	02079K107	198	140	SH		SOLE		0	0	198
ALPHABET INC CAP STK CL A	Stock	02079K305	57	40	SH		SOLE		0	0	57
ALTRIA GROUP INC COM	Stock	02209S103	59	1,500	SH		SOLE		0	0	59
AMERICAN ELEC PWR CO INC COM	Stock	025537101	36	450	SH		SOLE		0	0	36
AMERICAN EXPRESS CO COM	Stock	025816109	19	200	SH		SOLE		0	0	19
ANALOG DEVICES INC COM	Stock	032654105	1,153	9,400	SH		SOLE		0	0	1,153
ANNALY CAPITAL MANAGEMENT IN COM	Stock	035710409	82	12,500	SH		SOLE		0	0	82
APACHE CORP COM	Stock	037411105	6	450	SH		SOLE		0	0	6
APOLLO GLOBAL MGMT INC COM CL A	Stock	03768E105	1,406	28,170	SH		SOLE		0	0	1,406
APPLE INC COM	Stock	037833100	327	895	SH		SOLE		0	0	327
APYX MED CORP COM	Stock	03837C106	1,321	237,969	SH		SOLE		0	0	1,321
ASPEN AEROGELS INC COM	Stock	04523Y105	5,317	808,000	SH		SOLE		0	0	5,317
ASTRAZENECA PLC SPONSORED ADR	Stock	046353108	2,683	50,720	SH		SOLE		0	0	2,683
BAKER HUGHES COMPANY CL A	Stock	05722G100	5	300	SH		SOLE		0	0	5
BK OF AMERICA CORP COM	Stock	060505104	18	760	SH		SOLE		0	0	18
BANK MONTREAL QUE COM	Stock	063671101	40	753	SH		SOLE		0	0	40
BARRICK GOLD CORPORATION COM	Stock	067901108	29	1,084	SH		SOLE		0	0	29
BAUSCH HEALTH COS INC COM	Stock	071734107	0	26	SH		SOLE		0	0	0
BERKSHIRE HATHAWAY INC DEL CL B NEW	Stock	084670702	2,514	14,085	SH		SOLE		0	0	2,514
BIOLIFE SOLUTIONS INC COM NEW	Stock	09062W204	101	6,173	SH		SOLE		0	0	101
BLACKSTONE GROUP INC COM CL A	Stock	09260D107	374	6,600	SH		SOLE		0	0	374
BOINGO WIRELESS INC COM	Stock	09739C102	121	9,100	SH		SOLE		0	0	121
BOSTON OMAHA CORP COM	Stock	101044105	2,199	137,444	SH		SOLE		0	0	2,199
BRISTOL-MYERS SQUIBB CO COM	Stock	110122108	123	2,100	SH		SOLE		0	0	123
CALIFORNIA RES CORP COM NEW	Stock	13057Q206	0	26	SH		SOLE		0	0	0
CASTLIGHT HEALTH INC CL B	Stock	14862Q100	14	16,856	SH		SOLE		0	0	14
CEVA INC COM	Stock	157210105	953	25,471	SH		SOLE		0	0	953
CHAMPIONS ONCOLOGY INC COM NEW	Stock	15870P307	521	54,500	SH		SOLE		0	0	521
CISCO SYS INC COM	Stock	17275R102	5	100	SH		SOLE		0	0	5
CITIGROUP INC COM NEW	Stock	172967424	2	35	SH		SOLE		0	0	2
COCA COLA CO COM	Stock	191216100	45	1,000	SH		SOLE		0	0	45
COLGATE PALMOLIVE CO COM	Stock	194162103	26	350	SH		SOLE		0	0	26
COMSCORE INC COM	Stock	20564W105	1,485	479,000	SH		SOLE		0	0	1,485
CORNING INC COM	Stock	219350105	35	1,350	SH		SOLE		0	0	35
CORTEVA INC COM	Stock	22052L104	247	9,216	SH		SOLE		0	0	247
CROWN CASTLE INTL CORP NEW COM	Stock	22822V101	1,207	7,210	SH		SOLE		0	0	1,207
DCP MIDSTREAM LLC COM UT LTD PTN	Stock	23311P100	18	1,600	SH		SOLE		0	0	18
DXC TECHNOLOGY CO COM	Stock	23355L106	0	16	SH		SOLE		0	0	0
DARDEN RESTAURANTS INC COM	Stock	237194105	19	250	SH		SOLE		0	0	19
DEERE & CO COM	Stock	244199105	236	1,500	SH		SOLE		0	0	236
DIGIMARC CORP NEW COM	Stock	25381B101	2,181	136,393	SH		SOLE		0	0	2,181
DOMINION ENERGY INC COM	Stock	25746U109	65	800	SH		SOLE		0	0	65
DOW INC COM	Stock	260557103	987	24,216	SH		SOLE		0	0	987
DUPONT DE NEMOURS INC COM	Stock	26614N102	948	17,849	SH		SOLE		0	0	948
DURECT CORP COM	Stock	266605104	167	72,128	SH		SOLE		0	0	167
EOG RES INC COM	Stock	26875P101	15	300	SH		SOLE		0	0	15
EATON VANCE TAX-MANAGED GLOB COM	Stock	27829F108	20	2,700	SH		SOLE		0	0	20
EBAY INC. COM	Stock	278642103	52	1,000	SH		SOLE		0	0	52
EHEALTH INC COM	Stock	28238P109	138	1,405	SH		SOLE		0	0	138
EMERSON ELEC CO COM	Stock	291011104	56	900	SH		SOLE		0	0	56
EMPIRE ST RLTY OP L P UNIT LTD PRTNSP	Stock	292102100	94	12,904	SH		SOLE		0	0	94
ENTERPRISE PRODS PARTNERS L COM	Stock	293792107	1,346	74,080	SH		SOLE		0	0	1,346
EVENTBRITE INC COM CL A	Stock	29975E109	1,193	139,250	SH		SOLE		0	0	1,193
EVERSPIN TECHNOLOGIES INC COM	Stock	30041T104	25	3,500	SH		SOLE		0	0	25
EXELON CORP COM	Stock	30161N101	470	12,950	SH		SOLE		0	0	470
EXXON MOBIL CORP COM	Stock	30231G102	151	3,370	SH		SOLE		0	0	151
FRANCHISE GROUP INC COM	Stock	35180X105	2,934	134,100	SH		SOLE		0	0	2,934
GW PHARMACEUTICALS PLC ADS	Stock	36197T103	3	25	SH		SOLE		0	0	3
GSI TECHNOLOGY COM	Stock	36241U106	734	102,256	SH		SOLE		0	0	734
GANNETT CO INC COM	Stock	36472T109	179	129,500	SH		SOLE		0	0	179
GENERAL ELECTRIC CO COM	Stock	369604103	95	13,970	SH		SOLE		0	0	95
GENMARK DIAGNOSTICS INC COM	Stock	372309104	6,403	435,300	SH		SOLE		0	0	6,403
GLOBAL PARTNERS LP COM UNITS	Stock	37946R109	41	4,150	SH		SOLE		0	0	41
GREENLANE HLDGS INC CL A	Stock	395330103	8	2,100	SH		SOLE		0	0	8
GREENSKY INC CL A	Stock	39572G100	10	2,000	SH		SOLE		0	0	10
HTG MOLECULAR DIAGNOSTICS IN COM	Stock	40434H104	3,297	4,579,500	SH		SOLE		0	0	3,297
HP INC COM	Stock	40434L105	3	200	SH		SOLE		0	0	3
HALLIBURTON CO COM	Stock	406216101	1	100	SH		SOLE		0	0	1
HARMONIC INC COM	Stock	413160102	1,619	340,935	SH		SOLE		0	0	1,619
HARMONIC INC NOTE 4.00012 0	Stock	413160AB8	10	10,000	SH		SOLE		0	0	10
HEALTHPEAK PROPERTIES INC COM	Stock	42250P103	220	8,000	SH		SOLE		0	0	220
HELMERICH & PAYNE INC COM	Stock	423452101	16	800	SH		SOLE		0	0	16
HEWLETT PACKARD ENTERPRISE C COM	Stock	42824C109	2	200	SH		SOLE		0	0	2
HIMAX TECHNOLOGIES INC SPONSORED ADR	Stock	43289P106	17	4,000	SH		SOLE		0	0	17
INFINERA CORP NOTE 2.125 9 0	Stock	45667GAC7	4,092	4,810,000	SH		SOLE		0	0	4,092
INGERSOLL RAND INC COM	Stock	45687V106	46	1,632	SH		SOLE		0	0	46
INOVIO PHARMACEUTICALS INC COM NEW	Stock	45773H201	27	1,000	SH		SOLE		0	0	27
INOVALON HLDGS INC COM CL A	Stock	45781D101	16,581	860,900	SH		SOLE		0	0	16,581
INTEL CORP COM	Stock	458140100	114	1,900	SH		SOLE		0	0	114
INTERNATIONAL BUSINESS MACHS COM	Stock	459200101	590	4,882	SH		SOLE		0	0	590
ITERIS INC COM	Stock	46564T107	12,749	2,681,100	SH		SOLE		0	0	12,749
JPMORGAN CHASE & CO COM	Stock	46625H100	637	6,769	SH		SOLE		0	0	637
JOHNSON & JOHNSON COM	Stock	478160104	2,967	21,095	SH		SOLE		0	0	2,967
KKR & CO INC COM	Stock	48251W104	2,202	71,300	SH		SOLE		0	0	2,202
KIMBERLY CLARK CORP COM	Stock	494368103	127	900	SH		SOLE		0	0	127
KINDER MORGAN INC DEL COM	Stock	49456B101	245	16,180	SH		SOLE		0	0	245
KOPIN CORP COM	Stock	500600101	355	267,050	SH		SOLE		0	0	355
LEIDOS HOLDINGS INC COM	Stock	525327102	1,483	15,830	SH		SOLE		0	0	1,483
LENNAR CORP CL A	Stock	526057104	92	1,500	SH		SOLE		0	0	92
LENNAR CORP CL B	Stock	526057302	1	30	SH		SOLE		0	0	1
LIGAND PHARMACEUTICALS INC COM NEW	Stock	53220K504	2,847	25,450	SH		SOLE		0	0	2,847
LIMELIGHT NETWORKS INC COM	Stock	53261M104	8,310	1,129,100	SH		SOLE		0	0	8,310
LOCKHEED MARTIN CORP COM	Stock	539830109	146	400	SH		SOLE		0	0	146
LOWES COS INC COM	Stock	548661107	46	340	SH		SOLE		0	0	46
LUMINEX CORP DEL COM	Stock	55027E102	5,537	170,220	SH		SOLE		0	0	5,537
MPLX LP COM UNIT REP LTD	Stock	55336V100	98	5,674	SH		SOLE		0	0	98
MACOM TECH SOLUTIONS HLDGS I COM	Stock	55405Y100	1,489	43,357	SH		SOLE		0	0	1,489
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP	Stock	559080106	1,502	34,800	SH		SOLE		0	0	1,502
MAGNOLIA OIL & GAS CORP CL A	Stock	559663109	0	50	SH		SOLE		0	0	0
MCDONALDS CORP COM	Stock	580135101	122	661	SH		SOLE		0	0	122
MERCK & CO. INC COM	Stock	58933Y105	31	400	SH		SOLE		0	0	31
MERCURY SYS INC COM	Stock	589378108	8	100	SH		SOLE		0	0	8
METLIFE INC COM	Stock	59156R108	170	4,650	SH		SOLE		0	0	170
MICRO FOCUS INTL PLC SPON ADR NEW	Stock	594837403	0	20	SH		SOLE		0	0	0
MICROSOFT CORP COM	Stock	594918104	1,847	9,075	SH		SOLE		0	0	1,847
MICROVISION INC DEL COM NEW	Stock	594960304	6	4,300	SH		SOLE		0	0	6
MOBILEIRON INC COM NEW	Stock	60739U204	10	2,000	SH		SOLE		0	0	10
MONDELEZ INTL INC CL A	Stock	609207105	92	1,800	SH		SOLE		0	0	92
MORGAN STANLEY COM NEW	Stock	617446448	15	318	SH		SOLE		0	0	15
NIC INC COM	Stock	62914B100	430	18,722	SH		SOLE		0	0	430
NVE CORP COM NEW	Stock	629445206	676	10,937	SH		SOLE		0	0	676
NATIONAL RESH CORP COM NEW	Stock	637372202	815	14,000	SH		SOLE		0	0	815
NATIONAL RETAIL PROPERTIES I COM	Stock	637417106	35	1,000	SH		SOLE		0	0	35
NEOGEN CORP COM	Stock	640491106	837	10,790	SH		SOLE		0	0	837
NEOGENOMICS INC COM NEW	Stock	64049M209	1,192	38,476	SH		SOLE		0	0	1,192
NEPHROS INC COM	Stock	640671400	2,114	251,994	SH		SOLE		0	0	2,114
NEW RESIDENTIAL INVT CORP COM NEW	Stock	64828T201	10	1,400	SH		SOLE		0	0	10
NOKIA CORP SPONSORED ADR	Stock	654902204	1	166	SH		SOLE		0	0	1
NORTHROP GRUMMAN CORP COM	Stock	666807102	138	450	SH		SOLE		0	0	138
NOVARTIS AG SPONSORED ADR	Stock	66987V109	9	100	SH		SOLE		0	0	9
NOVO-NORDISK A S ADR	Stock	670100205	213	3,250	SH		SOLE		0	0	213
NUSTAR ENERGY LP UNIT COM	Stock	67058H102	66	4,630	SH		SOLE		0	0	66
NUTANIX INC CL A	Stock	67059N108	397	16,730	SH		SOLE		0	0	397
OCCIDENTAL PETE CORP COM	Stock	674599105	10	550	SH		SOLE		0	0	10
ORACLE CORP COM	Stock	68389X105	22	394	SH		SOLE		0	0	22
ORBITAL ENERGY GROUP INC COM	Stock	68559A109	106	171,163	SH		SOLE		0	0	106
OXFORD SQUARE CAP CORP COM	Stock	69181V107	7	2,400	SH		SOLE		0	0	7
PDF SOLUTIONS INC COM	Stock	693282105	31,292	1,599,778	SH		SOLE		0	0	31,292
PRGX GLOBAL INC COM NEW	Stock	69357C503	9	2,000	SH		SOLE		0	0	9
PTC INC COM	Stock	69370C100	1,470	18,900	SH		SOLE		0	0	1,470
PAYCHEX INC COM	Stock	704326107	136	1,800	SH		SOLE		0	0	136
PAYPAL HLDGS INC COM	Stock	70450Y103	180	1,034	SH		SOLE		0	0	180
PEPSICO INC COM	Stock	713448108	149	1,130	SH		SOLE		0	0	149
PERSPECTA INC COM	Stock	715347100	0	8	SH		SOLE		0	0	0
PFIZER INC COM	Stock	717081103	2,596	79,375	SH		SOLE		0	0	2,596
PHILIP MORRIS INTL INC COM	Stock	718172109	70	1,000	SH		SOLE		0	0	70
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN	Stock	726503105	30	3,400	SH		SOLE		0	0	30
PROCTER AND GAMBLE CO COM	Stock	742718109	60	500	SH		SOLE		0	0	60
QUOTIENT TECHNOLOGY INC COM	Stock	749119103	22,198	3,032,546	SH		SOLE		0	0	22,198
REDFIN CORP COM	Stock	75737F108	2,003	47,800	SH		SOLE		0	0	2,003
RESEARCH SOLUTIONS INC COM	Stock	761025105	846	357,000	SH		SOLE		0	0	846
RIBBON COMMUNICATIONS INC COM	Stock	762544104	630	160,219	SH		SOLE		0	0	630
ROYAL DUTCH SHELL PLC SPONS ADR A	Stock	780259206	4	112	SH		SOLE		0	0	4
RUBICON PROJ INC COM	Stock	78112V102	1,266	189,850	SH		SOLE		0	0	1,266
SPDR GOLD TR GOLD SHS	Stock	78463V107	27	160	SH		SOLE		0	0	27
SCHLUMBERGER LTD COM	Stock	806857108	15	835	SH		SOLE		0	0	15
SCHWEITZER-MAUDUIT INTL INC COM	Stock	808541106	10	300	SH		SOLE		0	0	10
SEMPRA ENERGY COM	Stock	816851109	94	800	SH		SOLE		0	0	94
SIRIUS XM HOLDINGS INC COM	Stock	82968B103	0	9	SH		SOLE		0	0	0
STARBUCKS CORP COM	Stock	855244109	1,640	22,285	SH		SOLE		0	0	1,640
STITCH FIX INC COM CL A	Stock	860897107	12	500	SH		SOLE		0	0	12
SUBURBAN PROPANE PARTNERS L UNIT LTD PARTN	Stock	864482104	72	5,013	SH		SOLE		0	0	72
SYNACOR INC COM	Stock	871561106	243	215,437	SH		SOLE		0	0	243
SYNCHRONOSS TECHNOLOGIES INC COM	Stock	87157B103	6	1,700	SH		SOLE		0	0	6
SYSCO CORP COM	Stock	871829107	58	1,060	SH		SOLE		0	0	58
TARGA RES CORP COM	Stock	87612G101	10	496	SH		SOLE		0	0	10
TECHTARGET INC COM	Stock	87874R100	102	3,400	SH		SOLE		0	0	102
TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS	Stock	881624209	1,002	81,294	SH		SOLE		0	0	1,002
TEXAS INSTRS INC COM	Stock	882508104	382	3,012	SH		SOLE		0	0	382
3-D SYS CORP DEL COM NEW	Stock	88554D205	915	130,900	SH		SOLE		0	0	915
TRANSACT TECHNOLOGIES INC COM	Stock	892918103	1,030	224,966	SH		SOLE		0	0	1,030
TRUECAR INC COM	Stock	89785L107	2	800	SH		SOLE		0	0	2
TWITTER INC COM	Stock	90184L102	932	31,300	SH		SOLE		0	0	932
TYME TECHNOLOGIES INC COM	Stock	90238J103	7	5,300	SH		SOLE		0	0	7
UNILEVER PLC SPON ADR NEW	Stock	904767704	79	1,445	SH		SOLE		0	0	79
UNITED PARCEL SERVICE INC CL B	Stock	911312106	120	1,080	SH		SOLE		0	0	120
UNITEDHEALTH GROUP INC COM	Stock	91324P102	147	500	SH		SOLE		0	0	147
VANECK VECTORS ETF TR GOLD MINERS ETF	Stock	92189F106	110	3,000	SH		SOLE		0	0	110
VANECK VECTORS ETF TR JR GOLD MINERS E	Stock	92189F791	2	35	SH		SOLE		0	0	2
VANGUARD ADMIRAL FDS INC MIDCP 400 IDX	Stock	921932885	10	79	SH		SOLE		0	0	10
VERIZON COMMUNICATIONS INC COM	Stock	92343V104	125	2,263	SH		SOLE		0	0	125
VILLAGE FARMS INTL INC COM	Stock	92707Y108	0	100	SH		SOLE		0	0	0
VONAGE HLDGS CORP COM	Stock	92886T201	12,752	1,267,625	SH		SOLE		0	0	12,752
VONAGE HLDGS CORP NOTE 1.750 6 0	Stock	92886TAJ1	2,798	3,000,000	SH		SOLE		0	0	2,798
WABTEC COM	Stock	929740108	4	69	SH		SOLE		0	0	4
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT	Stock	958669103	38	3,813	SH		SOLE		0	0	38
WEYERHAEUSER CO MTN BE COM NEW	Stock	962166104	67	3,000	SH		SOLE		0	0	67
WILLIAMS COS INC COM	Stock	969457100	19	1,000	SH		SOLE		0	0	19
ALLEGION PLC ORD SHS	Stock	G0176J109	68	666	SH		SOLE		0	0	68
NOBLE CORP PLC SHS USD	Stock	G65431101	0	800	SH		SOLE		0	0	0
SEAGATE TECHNOLOGY PLC SHS	Stock	G7945M107	7	150	SH		SOLE		0	0	7
TRANE TECHNOLOGIES PLC SHS	Stock	G8994E103	165	1,850	SH		SOLE		0	0	165
ALCON AG ORD SHS	Stock	H01301128	1	20	SH		SOLE		0	0	1
ALLOT LTD SHS	Stock	M0854Q105	163	15,600	SH		SOLE		0	0	163
KORNIT DIGITAL LTD SHS	Stock	M6372Q113	2,786	52,194	SH		SOLE		0	0	2,786
RADA ELECTR INDS LTD COM PAR NEW	Stock	M81863124	150	23,000	SH		SOLE		0	0	150