Gagnon Advisors, LLC Long-Term Concentrated

Location: New York, NY

CIK: 0001599466 · Show all filings

Period: Q4 2025 (← Previous) (Next →)

Filing Date: Feb 13, 2026

Total Value: $158M (100.0% shares, 0.0% debt)

Holdings (23)

WGS GENEDX HOLDINGS CORP 10.5%

Value $16.53M Shares 127,062 Est. Cost $9.34 Unrealized +1369.7%

AMRC AMERESCO INC 8.8%

Value $13.85M Shares 472,798 Est. Cost $18.40 Unrealized +90.8%

AL AIR LEASE CORP 8.0%

Value $12.62M Shares 196,479 Est. Cost $30.18 Unrealized +111.0%

EPD ENTERPRISE PRODS PARTNERS L P 6.9%

Value $10.9M Shares 339,877 Est. Cost $24.20 Unrealized —

CDNA CAREDX INC 6.4%

Value $10.04M Shares 532,892 Est. Cost $14.68 Unrealized +14.1%

NVGS NAVIGATOR HLDGS LTD 5.7%

Value $8.956M Shares 517,066 Est. Cost $9.59 Unrealized +73.9%

EQIX EQUINIX INC 5.2%

Value $8.209M Shares 10,715 Est. Cost $490.46 Unrealized +59.3%

PROF PROFOUND MED CORP 4.8%

Value $7.572M Shares 962,186 Est. Cost $10.24 Unrealized -37.2%

BL BLACKLINE INC 4.6%

Value $7.19M Shares 130,050 Est. Cost $48.77 Unrealized +12.9%

FRSH FRESHWORKS INC 4.4%

Value $6.92M Shares 564,879 Est. Cost $17.17 Unrealized -31.2%

PCRX PACIRA BIOSCIENCES INC 4.3%

Value $6.752M Shares 260,908 Est. Cost $35.25 Unrealized -32.6%

FIVN FIVE9 INC 4.3%

Value $6.742M Shares 336,277 Est. Cost $33.83 Unrealized -37.3%

BLFS BIOLIFE SOLUTIONS INC 4.2%

Value $6.631M Shares 274,217 Est. Cost $17.91 Unrealized +46.1%

AMPL AMPLITUDE INC 3.4%

Value $5.295M Shares 457,212 Est. Cost $11.56 Unrealized -9.0%

DV DOUBLEVERIFY HLDGS INC 3.2%

Value $5.011M Shares 438,039 Est. Cost $15.78 Unrealized -30.1%

HZO MarineMax Inc 3.0%

Value $4.712M Shares 194,484 Est. Cost $25.31 Unrealized -2.5%

VERX VERTEX INC 2.9%

Value $4.643M Shares 232,479 Est. Cost $30.97 Unrealized -30.1%

TMCI TREACE MED CONCEPTS INC 2.4%

Value $3.758M Shares 1,534,034 Est. Cost $5.69 Unrealized -23.6%

NVDA NVIDIA CORPORATION 2.0%

Value $3.088M Shares 16,555 Est. Cost $118.07 Unrealized +57.6%

OSUR OraSure Technologies Inc 1.9%

Value $2.922M Shares 1,207,440 Est. Cost $3.41 Unrealized -22.9%

AOSL ALPHA & OMEGA SEMICONDUCTOR LT 1.5%

Value $2.381M Shares 120,196 Est. Cost $12.07 Unrealized +95.6%

KLTR KALTURA INC 1.5%

Value $2.317M Shares 1,413,010 Est. Cost $1.85 Unrealized -14.4%

CNF CNFINANCE HLDGS LTD 0.3%

Value $486K Shares 80,359 Est. Cost $4.19 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
WGS	GENEDX HOLDINGS CORP	127,062	$16.53M	10.5%	$9.34	+1369.7%	COM CL A	81663L200
AMRC	AMERESCO INC	472,798	$13.85M	8.8%	$18.40	+90.8%	CLA	02361E108
AL	AIR LEASE CORP	196,479	$12.62M	8.0%	$30.18	+111.0%	CL A	00912X302
EPD	ENTERPRISE PRODS PARTNERS L P	339,877	$10.9M	6.9%	$24.20	—	COM	293792107
CDNA	CAREDX INC	532,892	$10.04M	6.4%	$14.68	+14.1%	COM	14167L103
NVGS	NAVIGATOR HLDGS LTD	517,066	$8.956M	5.7%	$9.59	+73.9%	SHS	Y62132108
EQIX	EQUINIX INC	10,715	$8.209M	5.2%	$490.46	+59.3%	COM	29444U700
PROF	PROFOUND MED CORP	962,186	$7.572M	4.8%	$10.24	-37.2%	COM NEW	74319B502
BL	BLACKLINE INC	130,050	$7.19M	4.6%	$48.77	+12.9%	COM	09239B109
FRSH	FRESHWORKS INC	564,879	$6.92M	4.4%	$17.17	-31.2%	CLASS A COM	358054104
PCRX	PACIRA BIOSCIENCES INC	260,908	$6.752M	4.3%	$35.25	-32.6%	COM	695127100
FIVN	FIVE9 INC	336,277	$6.742M	4.3%	$33.83	-37.3%	COM	338307101
BLFS	BIOLIFE SOLUTIONS INC	274,217	$6.631M	4.2%	$17.91	+46.1%	COM NEW	09062W204
AMPL	AMPLITUDE INC	457,212	$5.295M	3.4%	$11.56	-9.0%	COM CL A	03213A104
DV	DOUBLEVERIFY HLDGS INC	438,039	$5.011M	3.2%	$15.78	-30.1%	COM	25862V105
HZO	MarineMax Inc	194,484	$4.712M	3.0%	$25.31	-2.5%	COM	567908108
VERX	VERTEX INC	232,479	$4.643M	2.9%	$30.97	-30.1%	CL A	92538J106
TMCI	TREACE MED CONCEPTS INC	1,534,034	$3.758M	2.4%	$5.69	-23.6%	COM	89455T109
NVDA	NVIDIA CORPORATION	16,555	$3.088M	2.0%	$118.07	+57.6%	COM	67066G104
OSUR	OraSure Technologies Inc	1,207,440	$2.922M	1.9%	$3.41	-22.9%	COM	68554V108
AOSL	ALPHA & OMEGA SEMICONDUCTOR LT	120,196	$2.381M	1.5%	$12.07	+95.6%	SHS	G6331P104
KLTR	KALTURA INC	1,413,010	$2.317M	1.5%	$1.85	-14.4%	COM	483467106
CNF	CNFINANCE HLDGS LTD	80,359	$486K	0.3%	$4.19	—	SPON ADS	18979T204