Cowen Prime Services 13F-HR/A Quarterly holdings report by institutional manager (amended)

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
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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
AT&T INC COM	Stock	00206R102	1	23	SH		SOLE		0	0	1
ABBVIE INC COM	Stock	00287Y109	24	300	SH		SOLE		0	0	24
ALIBABA GROUP HLDG LTD SPONSORED ADS	Stock	01609W102	36	200	SH		SOLE		0	0	36
ALPHABET INC CAP STK CL C	Stock	02079K107	164	140	SH		SOLE		0	0	164
ALPHABET INC CAP STK CL A	Stock	02079K305	47	40	SH		SOLE		0	0	47
ALTRIA GROUP INC COM	Stock	02209S103	86	1,500	SH		SOLE		0	0	86
ANDEAVOR LOGISTICS LP COM UNIT LP INT	Stock	03350F106	176	5,000	SH		SOLE		0	0	176
APYX MED CORP COM	Stock	03837C106	1,838	291,205	SH		SOLE		0	0	1,838
ASPEN AEROGELS INC COM	Stock	04523Y105	1,889	740,900	SH		SOLE		0	0	1,889
BIOLIFE SOLUTIONS INC COM NEW	Stock	09062W204	63	3,500	SH		SOLE		0	0	63
BLACKSTONE GROUP L P COM UNIT LTD	Stock	09253U108	364	10,400	SH		SOLE		0	0	364
BOINGO WIRELESS INC COM	Stock	09739C102	268	11,500	SH		SOLE		0	0	268
BOSTON OMAHA CORP COM	Stock	101044105	2,531	101,469	SH		SOLE		0	0	2,531
BRISTOL MYERS SQUIBB CO COM	Stock	110122108	100	2,100	SH		SOLE		0	0	100
CUI GLOBAL INC COM NEW	Stock	126576206	249	211,013	SH		SOLE		0	0	249
CALIFORNIA RES CORP COM NEW	Stock	13057Q206	1	26	SH		SOLE		0	0	1
CASTLIGHT HEALTH INC CL B	Stock	14862Q100	6,538	1,743,559	SH		SOLE		0	0	6,538
CEVA INC COM	Stock	157210105	634	23,521	SH		SOLE		0	0	634
CHEVRON CORP NEW COM	Stock	166764100	1,435	11,650	SH		SOLE		0	0	1,435
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	47	1,000	SH		SOLE		0	0	47
CONOCOPHILLIPS COM	Stock	20825C104	200	3,000	SH		SOLE		0	0	200
CORNING INC COM	Stock	219350105	38	1,150	SH		SOLE		0	0	38
CROWN CASTLE INTL CORP NEW COM	Stock	22822V101	3,382	26,425	SH		SOLE		0	0	3,382
DCP MIDSTREAM LP COM UT LTD PTN	Stock	23311P100	53	1,600	SH		SOLE		0	0	53
DXC TECHNOLOGY CO COM	Stock	23355L106	1	16	SH		SOLE		0	0	1
DARDEN RESTAURANTS INC COM	Stock	237194105	30	250	SH		SOLE		0	0	30
DEERE & CO COM	Stock	244199105	240	1,500	SH		SOLE		0	0	240
DELTA AIR LINES INC DEL COM NEW	Stock	247361702	1,519	29,410	SH		SOLE		0	0	1,519
DIGIMARC CORP NEW COM	Stock	25381B101	4,856	154,738	SH		SOLE		0	0	4,856
DOMINION ENERGY INC COM	Stock	25746U109	61	800	SH		SOLE		0	0	61
DOWDUPONT INC COM	Stock	26078J100	4,379	82,136	SH		SOLE		0	0	4,379
DURECT CORP COM	Stock	266605104	55	87,128	SH		SOLE		0	0	55
EOG RES INC COM	Stock	26875P101	29	300	SH		SOLE		0	0	29
EATON VANCE TAX MNGD GBL DV COM	Stock	27829F108	22	2,700	SH		SOLE		0	0	22
EBAY INC COM	Stock	278642103	37	1,000	SH		SOLE		0	0	37
EHEALTH INC COM	Stock	28238P109	15,446	247,768	SH		SOLE		0	0	15,446
ELECTRONICS FOR IMAGING INC COM	Stock	286082102	137	5,100	SH		SOLE		0	0	137
EMERSON ELEC CO COM	Stock	291011104	68	1,000	SH		SOLE		0	0	68
EMPIRE ST RLTY OP L P UNIT LTD PRTNSP	Stock	292102100	206	12,904	SH		SOLE		0	0	206
ENTERPRISE PRODS PARTNERS L COM	Stock	293792107	1,923	66,080	SH		SOLE		0	0	1,923
EVERSPIN TECHNOLOGIES INC COM	Stock	30041T104	34	4,500	SH		SOLE		0	0	34
EXELON CORP COM	Stock	30161N101	1,005	20,050	SH		SOLE		0	0	1,005
EXXON MOBIL CORP COM	Stock	30231G102	458	5,670	SH		SOLE		0	0	458
FORMFACTOR INC COM	Stock	346375108	77	4,795	SH		SOLE		0	0	77
FUSION CONNECT INC COM	Stock	36116X102	1,194	911,200	SH		SOLE		0	0	1,194
GDS HLDGS LTD SPONSORED ADS	Stock	36165L108	143	4,000	SH		SOLE		0	0	143
GW PHARMACEUTICALS PLC ADS	Stock	36197T103	4	25	SH		SOLE		0	0	4
GSI TECHNOLOGY COM	Stock	36241U106	562	72,322	SH		SOLE		0	0	562
GENERAL ELECTRIC CO COM	Stock	369604103	135	13,470	SH		SOLE		0	0	135
GENOMIC HEALTH INC COM	Stock	37244C101	140	2,000	SH		SOLE		0	0	140
GLOBAL PARTNERS LP COM UNITS	Stock	37946R109	82	4,150	SH		SOLE		0	0	82
GREENSKY INC CL A	Stock	39572G100	52	4,000	SH		SOLE		0	0	52
HCP INC COM	Stock	40414L109	250	8,000	SH		SOLE		0	0	250
HTG MOLECULAR DIAGNOSTICS IN COM	Stock	40434H104	50	20,000	SH		SOLE		0	0	50
HP INC COM	Stock	40434L105	4	200	SH		SOLE		0	0	4
HALLIBURTON CO COM	Stock	406216101	3	100	SH		SOLE		0	0	3
HARMONIC INC COM	Stock	413160102	1,865	344,035	SH		SOLE		0	0	1,865
HARMONIC INC NOTE 4.000 12/0	Stock	413160AB8	2,473	2,175,000	SH		SOLE		0	0	2,473
HELMERICH & PAYNE INC COM	Stock	423452101	44	800	SH		SOLE		0	0	44
HEWLETT PACKARD ENTERPRISE C COM	Stock	42824C109	3	200	SH		SOLE		0	0	3
HIMAX TECHNOLOGIES INC SPONSORED ADR	Stock	43289P106	16	5,000	SH		SOLE		0	0	16
INFINERA CORPORATION NOTE 2.125 9/0	Stock	45667GAC7	1,579	2,000,000	SH		SOLE		0	0	1,579
INOVALON HLDGS INC COM CL A	Stock	45781D101	7,604	611,750	SH		SOLE		0	0	7,604
INTEL CORP COM	Stock	458140100	86	1,600	SH		SOLE		0	0	86
INTERMOLECULAR INC COM	Stock	45882D109	3	3,000	SH		SOLE		0	0	3
INTERNATIONAL BUSINESS MACHS COM	Stock	459200101	665	4,712	SH		SOLE		0	0	665
ITERIS INC COM	Stock	46564T107	5,822	1,396,242	SH		SOLE		0	0	5,822
JPMORGAN CHASE & CO COM	Stock	46625H100	1,435	14,179	SH		SOLE		0	0	1,435
JOHNSON & JOHNSON COM	Stock	478160104	2,976	21,292	SH		SOLE		0	0	2,976
KKR & CO INC CL A	Stock	48251W104	1,996	84,970	SH		SOLE		0	0	1,996
KIMBERLY CLARK CORP COM	Stock	494368103	112	900	SH		SOLE		0	0	112
KINDER MORGAN INC DEL COM	Stock	49456B101	308	15,380	SH		SOLE		0	0	308
KOPIN CORP COM	Stock	500600101	412	307,250	SH		SOLE		0	0	412
LEIDOS HLDGS INC COM	Stock	525327102	3,720	58,050	SH		SOLE		0	0	3,720
LENNAR CORP CL A	Stock	526057104	74	1,500	SH		SOLE		0	0	74
LENNAR CORP CL B	Stock	526057302	1	30	SH		SOLE		0	0	1
LOCKHEED MARTIN CORP COM	Stock	539830109	120	400	SH		SOLE		0	0	120
LOWES COS INC COM	Stock	548661107	37	340	SH		SOLE		0	0	37
LUMINEX CORP DEL COM	Stock	55027E102	5,236	227,555	SH		SOLE		0	0	5,236
MACOM TECH SOLUTIONS HLDGS I COM	Stock	55405Y100	863	51,658	SH		SOLE		0	0	863
MACERICH CO COM	Stock	554382101	11	260	SH		SOLE		0	0	11
MACQUARIE INFRASTRUCTURE COR COM	Stock	55608B105	206	5,000	SH		SOLE		0	0	206
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP	Stock	559080106	2,110	34,800	SH		SOLE		0	0	2,110
MAGNOLIA OIL & GAS CORP CL A	Stock	559663109	1	50	SH		SOLE		0	0	1
MCDONALDS CORP COM	Stock	580135101	126	661	SH		SOLE		0	0	126
MERCK & CO INC COM	Stock	58933Y105	33	400	SH		SOLE		0	0	33
METLIFE INC COM	Stock	59156R108	219	5,150	SH		SOLE		0	0	219
MICRO FOCUS INTERNATIONAL PL SPON ADR NEW	Stock	594837304	1	26	SH		SOLE		0	0	1
MICROSOFT CORP COM	Stock	594918104	1,560	13,225	SH		SOLE		0	0	1,560
MICROVISION INC DEL COM NEW	Stock	594960304	12	12,800	SH		SOLE		0	0	12
MOBILEIRON INC COM NEW	Stock	60739U204	9,624	1,759,400	SH		SOLE		0	0	9,624
MONDELEZ INTL INC CL A	Stock	609207105	90	1,800	SH		SOLE		0	0	90
MORGAN STANLEY COM NEW	Stock	617446448	1	18	SH		SOLE		0	0	1
NIC INC COM	Stock	62914B100	576	33,700	SH		SOLE		0	0	576
NVE CORP COM NEW	Stock	629445206	864	8,831	SH		SOLE		0	0	864
NATIONAL RESH CORP COM NEW	Stock	637372202	625	16,200	SH		SOLE		0	0	625
NATIONAL RETAIL PPTYS INC COM	Stock	637417106	55	1,000	SH		SOLE		0	0	55
NEOGEN CORP COM	Stock	640491106	631	11,000	SH		SOLE		0	0	631
NEOGENOMICS INC COM NEW	Stock	64049M209	11,964	584,766	SH		SOLE		0	0	11,964
NEW AGE BEVERAGES CORP COM	Stock	64157V108	5	1,000	SH		SOLE		0	0	5
NEW MEDIA INVT GROUP INC COM	Stock	64704V106	1,514	144,200	SH		SOLE		0	0	1,514
NEW RESIDENTIAL INVT CORP COM NEW	Stock	64828T201	59	3,500	SH		SOLE		0	0	59
NOKIA CORP SPONSORED ADR	Stock	654902204	18	3,166	SH		SOLE		0	0	18
NORTHROP GRUMMAN CORP COM	Stock	666807102	121	450	SH		SOLE		0	0	121
NORTHSTAR REALTY EUROPE CORP COM	Stock	66706L101	19	1,083	SH		SOLE		0	0	19
NOVARTIS A G SPONSORED ADR	Stock	66987V109	10	100	SH		SOLE		0	0	10
NOVO-NORDISK A S ADR	Stock	670100205	170	3,250	SH		SOLE		0	0	170
NUSTAR ENERGY LP UNIT COM	Stock	67058H102	125	4,630	SH		SOLE		0	0	125
NUTANIX INC CL A	Stock	67059N108	582	15,430	SH		SOLE		0	0	582
OCCIDENTAL PETE CORP COM	Stock	674599105	36	550	SH		SOLE		0	0	36
ORACLE CORP COM	Stock	68389X105	21	394	SH		SOLE		0	0	21
OXFORD SQUARE CAP CORP COM	Stock	69181V107	16	2,400	SH		SOLE		0	0	16
PDF SOLUTIONS INC COM	Stock	693282105	9,736	788,371	SH		SOLE		0	0	9,736
PRGX GLOBAL INC COM NEW	Stock	69357C503	41	5,166	SH		SOLE		0	0	41
PTC INC COM	Stock	69370C100	1,862	20,200	SH		SOLE		0	0	1,862
PAYCHEX INC COM	Stock	704326107	192	2,400	SH		SOLE		0	0	192
PAYPAL HLDGS INC COM	Stock	70450Y103	107	1,034	SH		SOLE		0	0	107
PEAPACK-GLADSTONE FINL CORP COM	Stock	704699107	39	1,500	SH		SOLE		0	0	39
PEPSICO INC COM	Stock	713448108	110	900	SH		SOLE		0	0	110
PFIZER INC COM	Stock	717081103	3,963	93,320	SH		SOLE		0	0	3,963
PHILIP MORRIS INTL INC COM	Stock	718172109	88	1,000	SH		SOLE		0	0	88
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN	Stock	726503105	83	3,400	SH		SOLE		0	0	83
PROCTER AND GAMBLE CO COM	Stock	742718109	104	1,000	SH		SOLE		0	0	104
QUOTIENT TECHNOLOGY INC COM	Stock	749119103	15,422	1,562,496	SH		SOLE		0	0	15,422
REDFIN CORP COM	Stock	75737F108	969	47,800	SH		SOLE		0	0	969
RIBBON COMMUNICATIONS INC COM	Stock	762544104	1,545	300,083	SH		SOLE		0	0	1,545
RUBICON PROJ INC COM	Stock	78112V102	30	5,000	SH		SOLE		0	0	30
SPDR GOLD TRUST GOLD SHS	Stock	78463V107	20	160	SH		SOLE		0	0	20
SCHLUMBERGER LTD COM	Stock	806857108	36	835	SH		SOLE		0	0	36
SEMPRA ENERGY COM	Stock	816851109	101	800	SH		SOLE		0	0	101
SERVICESOURCE INTL INC COM	Stock	81763U100	101	110,000	SH		SOLE		0	0	101
SMITH MICRO SOFTWARE INC COM NEW	Stock	832154207	85	30,268	SH		SOLE		0	0	85
STARBUCKS CORP COM	Stock	855244109	1,922	25,850	SH		SOLE		0	0	1,922
STITCH FIX INC COM CL A	Stock	860897107	14	500	SH		SOLE		0	0	14
SUBURBAN PROPANE PARTNERS L UNIT LTD PARTN	Stock	864482104	124	5,513	SH		SOLE		0	0	124
SYNACOR INC COM	Stock	871561106	494	314,725	SH		SOLE		0	0	494
SYSCO CORP COM	Stock	871829107	80	1,200	SH		SOLE		0	0	80
TARGA RES CORP COM	Stock	87612G101	18	434	SH		SOLE		0	0	18
TECHTARGET INC COM	Stock	87874R100	3,176	195,200	SH		SOLE		0	0	3,176
TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS	Stock	881624209	1,288	82,154	SH		SOLE		0	0	1,288
TEXAS INSTRS INC COM	Stock	882508104	319	3,012	SH		SOLE		0	0	319
3-D SYS CORP DEL COM NEW	Stock	88554D205	1,326	123,210	SH		SOLE		0	0	1,326
TRANSACT TECHNOLOGIES INC COM	Stock	892918103	2,276	248,979	SH		SOLE		0	0	2,276
TRUECAR INC COM	Stock	89785L107	5,612	845,200	SH		SOLE		0	0	5,612
TYME TECHNOLOGIES INC COM	Stock	90238J103	9	5,000	SH		SOLE		0	0	9
UNILEVER PLC SPON ADR NEW	Stock	904767704	83	1,445	SH		SOLE		0	0	83
UNITED CONTL HLDGS INC COM	Stock	910047109	2,380	29,830	SH		SOLE		0	0	2,380
UNITED PARCEL SERVICE INC CL B	Stock	911312106	121	1,080	SH		SOLE		0	0	121
UNITEDHEALTH GROUP INC COM	Stock	91324P102	124	500	SH		SOLE		0	0	124
VANECK VECTORS ETF TR GOLD MINERS ETF	Stock	92189F106	67	3,000	SH		SOLE		0	0	67
VANECK VECTORS ETF TR JR GOLD MINERS E	Stock	92189F791	1	35	SH		SOLE		0	0	1
VERIZON COMMUNICATIONS INC COM	Stock	92343V104	134	2,263	SH		SOLE		0	0	134
VILLAGE FARMS INTL INC COM	Stock	92707Y108	97	6,900	SH		SOLE		0	0	97
VONAGE HLDGS CORP COM	Stock	92886T201	13,580	1,352,550	SH		SOLE		0	0	13,580
WABTEC CORP COM	Stock	929740108	5	69	SH		SOLE		0	0	5
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT	Stock	958669103	120	3,813	SH		SOLE		0	0	120
WEYERHAEUSER CO COM	Stock	962166104	794	30,150	SH		SOLE		0	0	794
WILLIAMS COS INC DEL COM	Stock	969457100	29	1,000	SH		SOLE		0	0	29
YUM BRANDS INC COM	Stock	988498101	230	2,300	SH		SOLE		0	0	230
ALLEGION PUB LTD CO ORD SHS	Stock	G0176J109	60	666	SH		SOLE		0	0	60
ALLERGAN PLC SHS	Stock	G0177J108	27	181	SH		SOLE		0	0	27
INGERSOLL-RAND PLC SHS	Stock	G47791101	200	1,850	SH		SOLE		0	0	200
NOBLE CORP PLC SHS USD	Stock	G65431101	2	800	SH		SOLE		0	0	2
ALLOT LTD SHS	Stock	M0854Q105	46	5,800	SH		SOLE		0	0	46
KORNIT DIGITAL LTD SHS	Stock	M6372Q113	1,411	59,294	SH		SOLE		0	0	1,411