Gagnon Advisors, LLC Long-Term Concentrated

Location: New York, NY

CIK: 0001599466 · Show all filings

Period: Q1 2026 (← Previous) (Next →)

Filing Date: Apr 22, 2026

Total Value: $136M (100.0% shares, 0.0% debt)

Holdings (22)

EPD ENTERPRISE PRODS PARTNERS L P 9.5%

Value $12.86M Shares 339,877 Est. Cost $24.20 Unrealized —

AMRC AMERESCO INC 8.9%

Value $12.06M Shares 472,798 Est. Cost $18.40 Unrealized +72.6%

EQIX EQUINIX INC 7.7%

Value $10.5M Shares 10,715 Est. Cost $490.46 Unrealized +55.8%

NVGS NAVIGATOR HLDGS LTD 7.7%

Value $10.44M Shares 539,881 Est. Cost $9.97 Unrealized +86.5%

SGOV ISHARES TR 7.1%

Value $9.625M Shares 95,621 Est. Cost $100.66 Unrealized —

WGS GENEDX HOLDINGS CORP 7.0%

Value $9.519M Shares 148,225 Est. Cost $22.44 Unrealized +350.6%

CDNA CAREDX INC 6.8%

Value $9.251M Shares 532,892 Est. Cost $14.68 Unrealized +34.2%

PCRX PACIRA BIOSCIENCES INC 5.9%

Value $7.97M Shares 352,637 Est. Cost $31.81 Unrealized -30.8%

PROF PROFOUND MED CORP 4.6%

Value $6.235M Shares 962,186 Est. Cost $10.24 Unrealized -27.3%

FRSH FRESHWORKS INC 4.6%

Value $6.233M Shares 776,212 Est. Cost $15.19 Unrealized -34.9%

BLFS BIOLIFE SOLUTIONS INC 3.8%

Value $5.232M Shares 274,217 Est. Cost $17.91 Unrealized +31.6%

FIVN FIVE9 INC 3.8%

Value $5.101M Shares 336,277 Est. Cost $33.83 Unrealized -46.7%

BL BLACKLINE INC 3.5%

Value $4.812M Shares 130,050 Est. Cost $48.77 Unrealized -4.4%

AMPL AMPLITUDE INC 3.2%

Value $4.331M Shares 634,987 Est. Cost $10.81 Unrealized -17.7%

DV DOUBLEVERIFY HLDGS INC 3.1%

Value $4.161M Shares 438,039 Est. Cost $15.78 Unrealized -35.1%

OSUR OraSure Technologies Inc 2.7%

Value $3.622M Shares 1,207,440 Est. Cost $3.41 Unrealized -20.1%

VERX VERTEX INC 2.6%

Value $3.532M Shares 297,050 Est. Cost $27.90 Unrealized -39.6%

HNGE HINGE HEALTH INC 2.3%

Value $3.115M Shares 80,787 Est. Cost $40.59 Unrealized 0.0%

AOSL ALPHA & OMEGA SEMICONDUCTOR LT 2.0%

Value $2.664M Shares 120,196 Est. Cost $12.07 Unrealized +82.6%

HZO MarineMax Inc 1.9%

Value $2.631M Shares 97,242 Est. Cost $25.31 Unrealized +11.7%

KLTR KALTURA INC 1.3%

Value $1.724M Shares 1,413,010 Est. Cost $1.85 Unrealized -20.0%

CNF CNFINANCE HLDGS LTD 0.2%

Value $314K Shares 80,359 Est. Cost $4.19 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
EPD	ENTERPRISE PRODS PARTNERS L P	339,877	$12.86M	9.5%	$24.20	—	COM	293792107
AMRC	AMERESCO INC	472,798	$12.06M	8.9%	$18.40	+72.6%	CLA	02361E108
EQIX	EQUINIX INC	10,715	$10.5M	7.7%	$490.46	+55.8%	COM	29444U700
NVGS	NAVIGATOR HLDGS LTD	539,881	$10.44M	7.7%	$9.97	+86.5%	SHS	Y62132108
SGOV	ISHARES TR	95,621	$9.625M	7.1%	$100.66	—	0-3 MNTH TREASRY	46436E718
WGS	GENEDX HOLDINGS CORP	148,225	$9.519M	7.0%	$22.44	+350.6%	COM CL A	81663L200
CDNA	CAREDX INC	532,892	$9.251M	6.8%	$14.68	+34.2%	COM	14167L103
PCRX	PACIRA BIOSCIENCES INC	352,637	$7.97M	5.9%	$31.81	-30.8%	COM	695127100
PROF	PROFOUND MED CORP	962,186	$6.235M	4.6%	$10.24	-27.3%	COM NEW	74319B502
FRSH	FRESHWORKS INC	776,212	$6.233M	4.6%	$15.19	-34.9%	CLASS A COM	358054104
BLFS	BIOLIFE SOLUTIONS INC	274,217	$5.232M	3.8%	$17.91	+31.6%	COM NEW	09062W204
FIVN	FIVE9 INC	336,277	$5.101M	3.8%	$33.83	-46.7%	COM	338307101
BL	BLACKLINE INC	130,050	$4.812M	3.5%	$48.77	-4.4%	COM	09239B109
AMPL	AMPLITUDE INC	634,987	$4.331M	3.2%	$10.81	-17.7%	COM CL A	03213A104
DV	DOUBLEVERIFY HLDGS INC	438,039	$4.161M	3.1%	$15.78	-35.1%	COM	25862V105
OSUR	OraSure Technologies Inc	1,207,440	$3.622M	2.7%	$3.41	-20.1%	COM	68554V108
VERX	VERTEX INC	297,050	$3.532M	2.6%	$27.90	-39.6%	CL A	92538J106
HNGE	HINGE HEALTH INC	80,787	$3.115M	2.3%	$40.59	0.0%	CL A	433313103
AOSL	ALPHA & OMEGA SEMICONDUCTOR LT	120,196	$2.664M	2.0%	$12.07	+82.6%	SHS	G6331P104
HZO	MarineMax Inc	97,242	$2.631M	1.9%	$25.31	+11.7%	COM	567908108
KLTR	KALTURA INC	1,413,010	$1.724M	1.3%	$1.85	-20.0%	COM	483467106
CNF	CNFINANCE HLDGS LTD	80,359	$314K	0.2%	$4.19	—	SPON ADS	18979T204