Gagnon Securities 13FHR Quarterly holdings report by institutional manager | SEC 28 Jul 21

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

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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
AIR LEASE CORP	CL A	00912X302	37,065	888,002	SH		SOLE		0	0	888,002
AKAMAI TECHNOLOGIES COMUSD0.01	COM	00971T101	3,746	32,131	SH		SOLE		0	0	32,131
ALPHA AND OMEGA SEMICONDUCTORLTD	SHS	G6331P104	22,972	755,916	SH		SOLE		0	0	755,916
ALPHABET INC CAP STK CLA	CAP STK CL A	02079K305	369	151	SH		SOLE		0	0	151
AMERESCO INC	CL A	02361E108	30,473	485,852	SH		SOLE		0	0	485,852
APOLLO ENDOSURGERY INCCOM	COM	03767D108	12,722	1,570,619	SH		SOLE		0	0	1,570,619
APTOSE BIOSCIENCES INCCOM NPV ISIN#CA03835	COM New	03835T200	364	109,567	SH		SOLE		0	0	109,567
ARC RESOURCES LTD COMNPV ISIN#CA00208D4084	COM	00208D408	201	23,623	SH		SOLE		0	0	23,623
AT&T INC COM USD1	COM	00206R102	1,662	57,760	SH		SOLE		0	0	57,760
BIOLIFE SOLUTIONS INC	COM NEW	09062W204	17,056	383,190	SH		SOLE		0	0	383,190
BLACKLINE INC COM	COM	09239B109	21,994	197,660	SH		SOLE		0	0	197,660
BLUE PRISM GROUP PLC ORDGBP0.01 ISIN#GB00B	COM NEW	G1193C101	317	28,374	SH		SOLE		0	0	28,374
BUTTERFLY NETWORK INCCOM CL A	COM CL A	124155102	487	33,666	SH		SOLE		0	0	33,666
CAREDX INC	COM	14167L103	69,714	761,740	SH		SOLE		0	0	761,740
CARETRUST REIT INC COM	COM	14174T107	5,036	216,795	SH		SOLE		0	0	216,795
CARMAX INC	COM	143130102	15,957	123,557	SH		SOLE		0	0	123,557
CASTLIGHT HEALTH INC	CL B	14862Q100	10,842	4,122,263	SH		SOLE		0	0	4,122,263
CELCUITY INC COM	COM	15102K100	7,663	319,307	SH		SOLE		0	0	319,307
CES ENERGY SOLUTIONS CORPCOM NPV ISIN#CA15	COM	15713J104	174	111,741	SH		SOLE		0	0	111,741
CHEESECAKE FACTORY INC	COM	163072101	1,551	28,622	SH		SOLE		0	0	28,622
CHEGG INC COM USD0.001	COM	163092109	463	5,576	SH		SOLE		0	0	5,576
CHEMBIO DIAGNOSTICS INC	COM New	163572209	143	48,025	SH		SOLE		0	0	48,025
CHIPOTLE MEXICAN GRILLINC	COM	169656105	7,485	4,828	SH		SOLE		0	0	4,828
CM LIFE SCIENCES II INCUNIT EX 022528	Unit 02/25/2028	125842203	10,238	761,193	SH		SOLE		0	0	761,193
CM LIFE SCIENCES III INCUNIT 1 CL A & 1/5R	UNIT 04/30/2028	125841205	5,135	468,907	SH		SOLE		0	0	468,907
CM LIFE SCIENCES INC COMCL A	SPON ADS	18978W109	534	38,117	SH		SOLE		0	0	38,117
CM LIFE SCIENCES INC UNITEXP 090125	Unit 09/01/2025	18978W208	10,349	656,269	SH		SOLE		0	0	656,269
CM LIFE SCIENCES INC	W EXP 09/04/202	18978W117	124	26,984	SH		SOLE		0	0	26,984
CNFINANCE HOLDINGS LIMITEDSPON ADS EACHREP	SPON ADS	18979T105	5,190	1,395,167	SH		SOLE		0	0	1,395,167
CORE LABORATORIES NV ORDEUR0.02	COM	N22717107	421	10,815	SH		SOLE		0	0	10,815
DENISON MINES CORPORATIONCOM NPV ISIN#CA24	COM	248356107	418	351,064	SH		SOLE		0	0	351,064
DERMTECH INC COM	COM	24984K105	252	6,072	SH		SOLE		0	0	6,072
DEVON ENERGY CORP NEW	COM	25179M103	7,236	247,880	SH		SOLE		0	0	247,880
DURECT CORP COM USD0.0001	COM	266605104	2,165	1,328,307	SH		SOLE		0	0	1,328,307
DYNAGAS LNG PARTNERS LPCOM UNIT LTD PT	COM UNIT LTD PT	Y2188B108	180	54,112	SH		SOLE		0	0	54,112
E2OPEN PARENT HOLDINGSINC COM CL A	COM CL A	29788T103	12,927	1,131,995	SH		SOLE		0	0	1,131,995
E2OPEN PARENT HOLDINGS INC	W EXP 2/4/200	29788T111	1,359	396,916	SH		SOLE		0	0	396,916
EHEALTH INC	COM	28238P109	483	8,279	SH		SOLE		0	0	8,279
ENERGY TRANSFER L P COMUT LTD PTN	COM UT LTD PTN	29273V100	540	50,840	SH		SOLE		0	0	50,840
ENSIGN GROUP INC	COM	29358P101	34,723	400,630	SH		SOLE		0	0	400,630
ENTERPRISE PRODS PARTNERSL P COM	COM	293792107	15,133	627,163	SH		SOLE		0	0	627,163
EOG RESOURCES INC	COM	26875P101	539	6,454	SH		SOLE		0	0	6,454
EQUINIX INC COM	COM	29444U700	13,549	16,881	SH		SOLE		0	0	16,881
EQUITY COMWLTH	COM SH BEN INT	294628102	532	20,311	SH		SOLE		0	0	20,311
ETSY INC COM	COM	29786A106	446	2,165	SH		SOLE		0	0	2,165
EVERBRIDGE INC COM	COM	29978A104	19,716	144,883	SH		SOLE		0	0	144,883
EXCHANGE TRADED CONCEPTSTR NORTH SHORGBL	NORTH SHOR GBL	301505715	510	8,162	SH		SOLE		0	0	8,162
EXXON MOBIL CORP	COM	30231G102	1,971	31,240	SH		SOLE		0	0	31,240
FACEBOOK INC-CLASS A	CL A	30303M102	368	1,058	SH		SOLE		0	0	1,058
Five9 INC. COM	COM	338307101	23,501	128,145	SH		SOLE		0	0	128,145
FLEXION THERAPEUTICS INC	COM	33938J106	1,720	209,030	SH		SOLE		0	0	209,030
GENERAC HLDGS INC COMUSD0.01	COM	368736104	2,852	6,869	SH		SOLE		0	0	6,869
GENTEX CORP	COM	371901109	1,502	45,402	SH		SOLE		0	0	45,402
GOODRX HLDGS INC COM CLA	COM CL A	38246G108	451	12,536	SH		SOLE		0	0	12,536
HELMERICH &PAYNE INC COMUSD0.10	COM	423452101	302	9,240	SH		SOLE		0	0	9,240
INTUITIVE SURGICAL INC	COM NEW	46120E602	21,481	23,358	SH		SOLE		0	0	23,358
IROBOT CORP	COM	462726100	17,468	187,042	SH		SOLE		0	0	187,042
JOHN WILEY & SONS INC	CL A	968223206	806	13,396	SH		SOLE		0	0	13,396
LIVEPERSON INC COM USD0.001	COM	538146101	412	6,508	SH		SOLE		0	0	6,508
LUMBER LIQUIDATORS HOLDINGSINC	COM	55003T107	26,084	1,236,207	SH		SOLE		0	0	1,236,207
MALLINCKRODT PLC COM USD0.20	SHS	G5785G107	63	218,143	SH		SOLE		0	0	218,143
MARVELL TECHNOLOGY INCCOM	ORD	573874104	1,100	18,850	SH		SOLE		0	0	18,850
MERCK &CO. INC COM	COM	58933Y105	358	4,603	SH		SOLE		0	0	4,603
MICROCHIP TECHNOLOGY INC.COM	COM	595017104	1,548	10,338	SH		SOLE		0	0	10,338
MICRON TECHNOLOGY INC	COM	595112103	389	4,572	SH		SOLE		0	0	4,572
MIROMATRIX MED INC COM	COM	60471P108	5,078	435,909	SH		SOLE		0	0	435,909
MONMOUTH REAL ESTATE INVESTMENTCORP	CL A	609720107	416	22,209	SH		SOLE		0	0	22,209
NAVIGATOR HOLDINGS LTDORD SHS	SHS	Y62132108	19,803	1,808,456	SH		SOLE		0	0	1,808,456
NCS MULTISTAGE HLDGS INCCOM NEW	COM NEW	628877201	296	10,019	SH		SOLE		0	0	10,019
NEW RELIC INC COM	COM	64829B100	14,382	214,754	SH		SOLE		0	0	214,754
NEXTIER OILFIELD SOLUTIONSCOM	COM	65290C105	1,430	300,325	SH		SOLE		0	0	300,325
NINTENDO 8 ADR REP ORD	SPONSORED ADS	654445303	1,060	14,566	SH		SOLE		0	0	14,566
NVIDIA CORPORATION COM	COM	67066G104	680	850	SH		SOLE		0	0	850
OCADO GROUP PLC ORD GBP0.02 ISIN#GB00B3MBS	COM	G6718L106	700	25,280	SH		SOLE		0	0	25,280
ONTO INNOVATION INC COM	COM	683344105	13,380	183,185	SH		SOLE		0	0	183,185
OPSENS INC COM ISIN#CA6838231083 SEDOL#B15	COM	683823108	4,044	2,206,071	SH		SOLE		0	0	2,206,071
PACIRA BIOSCIENCES COM	COM	695127100	30,300	499,333	SH		SOLE		0	0	499,333
PAYPAL HLDGS INC COM	COM	70450Y103	726	2,492	SH		SOLE		0	0	2,492
PENNANT GROUP INC COM	COM	70805E109	7,858	192,115	SH		SOLE		0	0	192,115
PETMED EXPRESS INC	COM	716382106	617	19,365	SH		SOLE		0	0	19,365
PFIZER INC	COM	717081103	1,330	33,957	SH		SOLE		0	0	33,957
POWER SOLUTIONS INTERNATIONALINC	COM	73933G202	7,140	1,170,507	SH		SOLE		0	0	1,170,507
PROFOUND MED CORP COMNPV(POST REV SPLIT) I	COM NEW	74319B502	13,102	800,845	SH		SOLE		0	0	800,845
PROTO LABS INC COM USD0.001	COM	743713109	5,471	59,592	SH		SOLE		0	0	59,592
QUIDEL CORP	COM	74838J101	9,449	73,753	SH		SOLE		0	0	73,753
QUMU CORP	COM	749063103	104	35,999	SH		SOLE		0	0	35,999
RADA ELECTRONICS INDUSTRIESCOM ILS0.03(POS	COM PAR NEW	M81863124	350	28,729	SH		SOLE		0	0	28,729
RANGE RESOURCES CORP	COM	75281A109	371	22,157	SH		SOLE		0	0	22,157
REDHILL BIOPHARMA ADRREP TEN ORD	SPONSORED ADS	757468103	2,357	342,618	SH		SOLE		0	0	342,618
ROBLOX CORP CL A	CL A	771049103	291	3,236	SH		SOLE		0	0	3,236
ROYAL DUTCH SHELL ADRREP 2 CL A ORD	SPON ADR CL A	780259206	209	5,174	SH		SOLE		0	0	5,174
RPC INC COM USD0.10	COM	749660106	311	62,847	SH		SOLE		0	0	62,847
SAILPOINT TECHNOLOGIESHLDGS I COM	COM	78781P105	353	6,904	SH		SOLE		0	0	6,904
SECUREWORKS CORP CL A	CL A	81374A105	12,140	655,144	SH		SOLE		0	0	655,144
SL GREEN RLTY CORP COM	COM	78440X804	1,528	19,095	SH		SOLE		0	0	19,095
SOC TELEMED INC COM CLA	IOF TELEMED INC COM C CLA	78472F101	2,331	409,728	SH		SOLE		0	0	409,728
SYSMEX CORP NPV ISIN#JP3351100007 SEDOL#68	COM	J7864h102	537	4,514	SH		SOLE		0	0	4,514
T2 BIOSYSTEMS INC COMUSD0.001	COM	89853L104	1,035	869,564	SH		SOLE		0	0	869,564
TAPESTRY INC COM	COM	876030107	1,956	44,991	SH		SOLE		0	0	44,991
TFF PHARMACEUTICALS INCCOM	COM	87241J104	4,407	458,601	SH		SOLE		0	0	458,601
URANIUM PARTN CORP COM ISIN#CA9170171057 S	SHS	917017105	654	148,149	SH		SOLE		0	0	148,149
UR-ENERGY INC COM ISIN#CA91688R1082 SEDOL#	COM	91688R108	599	428,204	SH		SOLE		0	0	428,204
VIATRIS INC COM	COM	92556V106	497	34,772	SH		SOLE		0	0	34,772
VIAVI SOLUTIONS INC COM ISIN#US9255501051	COM	925550105	253	14,301	SH		SOLE		0	0	14,301
VONAGE HOLDINGS CORP	COM	92886T201	207	14,343	SH		SOLE		0	0	14,343
WALGREENS BOOTS ALLIANCEINC	COM	931427108	579	10,997	SH		SOLE		0	0	10,997
WELLS FARGO CO NEW COM	COE949746101 FARGO CO NEW CO COM	949746101	591	13,056	SH		SOLE		0	0	13,056
YEXT INC COM	CL A	98585N106	16,153	1,130,346	SH		SOLE		0	0	1,130,346
ZENDESK INC COM USD0.01	COM	98936J101	264	1,832	SH		SOLE		0	0	1,832
ZOGENIX INC COM NEW	COM NEW	98978L204	216	12,500	SH		SOLE		0	0	12,500
ZUORA INC COM CL A	CL A	98983V106	5,234	303,420	SH		SOLE		0	0	303,420

Gagnon Securities 13F-HRQuarterly holdings report by institutional manager