Gagnon Advisors, LLC Long-Term Concentrated

CIK: 0001599466 · Show all filings

Period: Q4 2025 (← Previous)

Filing Date: Feb 13, 2026

Total Value ($000): $157,516 (100.0% shares, 0.0% debt)

Holdings (23)

Increased Positions (6)

PROF PROFOUND MED CORP 4.8%

Value ($000) $7,572 (+72.7%) Shares 962,186 (+7.3%) Est. Cost $10.24 Unrealized -37.2%

TMCI TREACE MED CONCEPTS INC 2.4%

Value ($000) $3,758 (-42.2%) Shares 1,534,034 (+58.4%) Est. Cost $5.69 Unrealized -23.6%

FIVN FIVE9 INC 4.3%

Value ($000) $6,742 (+66.4%) Shares 336,277 (+100.9%) Est. Cost $33.83 Unrealized -37.3%

AMPL AMPLITUDE INC 3.4%

Value ($000) $5,295 (+39.9%) Shares 457,212 (+29.5%) Est. Cost $11.56 Unrealized -9.0%

PCRX PACIRA BIOSCIENCES INC 4.3%

Value ($000) $6,752 (+22.8%) Shares 260,908 (+22.3%) Est. Cost $35.25 Unrealized -32.6%

HZO MarineMax Inc 3.0%

Value ($000) $4,712 (+22.5%) Shares 194,484 (+28.1%) Est. Cost $25.31 Unrealized -2.5%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
PROF	PROFOUND MED CORP	962,186 (+7.3%)	$7,572 (+72.7%)	4.8%	$10.24	-37.2%	COM NEW	74319B502
TMCI	TREACE MED CONCEPTS INC	1,534,034 (+58.4%)	$3,758 (-42.2%)	2.4%	$5.69	-23.6%	COM	89455T109
FIVN	FIVE9 INC	336,277 (+100.9%)	$6,742 (+66.4%)	4.3%	$33.83	-37.3%	COM	338307101
AMPL	AMPLITUDE INC	457,212 (+29.5%)	$5,295 (+39.9%)	3.4%	$11.56	-9.0%	COM CL A	03213A104
PCRX	PACIRA BIOSCIENCES INC	260,908 (+22.3%)	$6,752 (+22.8%)	4.3%	$35.25	-32.6%	COM	695127100
HZO	MarineMax Inc	194,484 (+28.1%)	$4,712 (+22.5%)	3.0%	$25.31	-2.5%	COM	567908108

Exited Positions (1)

ASPN ASPEN AEROGELS INC 2.5%

Value ($000) $3,936 Shares 565,570 Est. Cost $5.75 Unrealized -10.4%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
ASPN	ASPEN AEROGELS INC	565,570	$3,936	2.5%	$5.75	-10.4%	—	04523Y105

Decreased Positions (2)

FRSH FRESHWORKS INC 4.4%

Value ($000) $6,920 (-48.0%) Shares 564,879 (-50.0%) Est. Cost $17.17 Unrealized -31.2%

DV DOUBLEVERIFY HLDGS INC 3.2%

Value ($000) $5,011 (-33.2%) Shares 438,039 (-30.0%) Est. Cost $15.78 Unrealized -30.1%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
FRSH	FRESHWORKS INC	564,879 (-50.0%)	$6,920 (-48.0%)	4.4%	$17.17	-31.2%	CLASS A COM	358054104
DV	DOUBLEVERIFY HLDGS INC	438,039 (-30.0%)	$5,011 (-33.2%)	3.2%	$15.78	-30.1%	COM	25862V105

Unchanged Positions (15)

WGS GENEDX HOLDINGS CORP 10.5%

Value ($000) $16,526 Shares 127,062 Est. Cost $9.34 Unrealized +1369.7%

CDNA CAREDX INC 6.4%

Value ($000) $10,040 Shares 532,892 Est. Cost $14.68 Unrealized +14.1%

AMRC AMERESCO INC 8.8%

Value ($000) $13,848 Shares 472,798 Est. Cost $18.40 Unrealized +90.8%

VERX VERTEX INC 2.9%

Value ($000) $4,643 Shares 232,479 Est. Cost $30.97 Unrealized -30.1%

AOSL ALPHA & OMEGA SEMICONDUCTOR LT 1.5%

Value ($000) $2,381 Shares 120,196 Est. Cost $12.07 Unrealized +95.6%

OSUR OraSure Technologies Inc 1.9%

Value ($000) $2,922 Shares 1,207,440 Est. Cost $3.41 Unrealized -22.9%

NVGS NAVIGATOR HLDGS LTD 5.7%

Value ($000) $8,956 Shares 517,066 Est. Cost $9.59 Unrealized +73.9%

BLFS BIOLIFE SOLUTIONS INC 4.2%

Value ($000) $6,631 Shares 274,217 Est. Cost $17.91 Unrealized +46.1%

BL BLACKLINE INC 4.6%

Value ($000) $7,190 Shares 130,050 Est. Cost $48.77 Unrealized +12.9%

KLTR KALTURA INC 1.5%

Value ($000) $2,317 Shares 1,413,010 Est. Cost $1.85 Unrealized -14.4%

EPD ENTERPRISE PRODS PARTNERS L P 6.9%

Value ($000) $10,896 Shares 339,877 Est. Cost $24.20 Unrealized —

EQIX EQUINIX INC 5.2%

Value ($000) $8,209 Shares 10,715 Est. Cost $490.46 Unrealized +59.3%

CNF CNFINANCE HLDGS LTD 0.3%

Value ($000) $486 Shares 80,359 Est. Cost $4.19 Unrealized —

AL AIR LEASE CORP 8.0%

Value ($000) $12,620 Shares 196,479 Est. Cost $30.18 Unrealized +111.0%

NVDA NVIDIA CORPORATION 2.0%

Value ($000) $3,088 Shares 16,555 Est. Cost $118.07 Unrealized +57.6%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
WGS	GENEDX HOLDINGS CORP	127,062	$16,526	10.5%	$9.34	+1369.7%	COM CL A	81663L200
CDNA	CAREDX INC	532,892	$10,040	6.4%	$14.68	+14.1%	COM	14167L103
AMRC	AMERESCO INC	472,798	$13,848	8.8%	$18.40	+90.8%	CLA	02361E108
VERX	VERTEX INC	232,479	$4,643	2.9%	$30.97	-30.1%	CL A	92538J106
AOSL	ALPHA & OMEGA SEMICONDUCTOR LT	120,196	$2,381	1.5%	$12.07	+95.6%	SHS	G6331P104
OSUR	OraSure Technologies Inc	1,207,440	$2,922	1.9%	$3.41	-22.9%	COM	68554V108
NVGS	NAVIGATOR HLDGS LTD	517,066	$8,956	5.7%	$9.59	+73.9%	SHS	Y62132108
BLFS	BIOLIFE SOLUTIONS INC	274,217	$6,631	4.2%	$17.91	+46.1%	COM NEW	09062W204
BL	BLACKLINE INC	130,050	$7,190	4.6%	$48.77	+12.9%	COM	09239B109
KLTR	KALTURA INC	1,413,010	$2,317	1.5%	$1.85	-14.4%	COM	483467106
EPD	ENTERPRISE PRODS PARTNERS L P	339,877	$10,896	6.9%	$24.20	—	COM	293792107
EQIX	EQUINIX INC	10,715	$8,209	5.2%	$490.46	+59.3%	COM	29444U700
CNF	CNFINANCE HLDGS LTD	80,359	$486	0.3%	$4.19	—	SPON ADS	18979T204
AL	AIR LEASE CORP	196,479	$12,620	8.0%	$30.18	+111.0%	CL A	00912X302
NVDA	NVIDIA CORPORATION	16,555	$3,088	2.0%	$118.07	+57.6%	COM	67066G104