Gagnon Advisors, LLC Long-Term Concentrated

Name: Gagnon Advisors, LLC Q2 2026 13F Filing | 13F Explorer
Creator: Gagnon Advisors, LLC
Published: 2026-08-05

Location: New York, NY

CIK: 0001599466 · Show all filings

Period: Q2 2026 (← Previous)

Filing Date: Aug 5, 2026

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

Holdings (23)

New Positions (4)

— NAVIGATOR HLDGS LTD 3.9%

Value $6.12M Shares 328,488 Est. Cost $18.63 Unrealized —

TMCI TREACE MED CONCEPTS INC 3.9%

Value $6.105M Shares 1,534,034 Est. Cost $3.98 Unrealized —

QDEL QUIDELORTHO CORP 2.7%

Value $4.223M Shares 241,097 Est. Cost $17.52 Unrealized —

BYND BEYOND MEAT INC 0.2%

Value $292K Shares 388,880 Est. Cost $0.75 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
—	NAVIGATOR HLDGS LTD	328,488	$6.12M	3.9%	$18.63	—	SHS	000000000
TMCI	TREACE MED CONCEPTS INC	1,534,034	$6.105M	3.9%	$3.98	—	COM	89455T109
QDEL	QUIDELORTHO CORP	241,097	$4.223M	2.7%	$17.52	—	COM	219798105
BYND	BEYOND MEAT INC	388,880	$292K	0.2%	$0.75	—	COM	08862E109

Increased Positions (5)

CDNA CAREDX INC 9.9%

Value $15.59M (+68.5%) Shares 546,893 (+2.6%) Est. Cost $15.03 Unrealized —

HNGE HINGE HEALTH INC 6.0%

Value $9.404M (+201.9%) Shares 113,304 (+40.3%) Est. Cost $52.76 Unrealized —

WGS GENEDX HOLDINGS CORP 7.8%

Value $12.21M (+28.3%) Shares 177,870 (+20.0%) Est. Cost $30.14 Unrealized —

VERX VERTEX INC 2.6%

Value $4.151M (+17.5%) Shares 361,621 (+21.7%) Est. Cost $24.97 Unrealized —

CNF CNFINANCE HLDGS LTD 0.2%

Value $299K (-4.8%) Shares 108,017 (+34.4%) Est. Cost $3.83 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
CDNA	CAREDX INC	546,893 (+2.6%)	$15.59M (+68.5%)	9.9%	$15.03	—	COM	14167L103
HNGE	HINGE HEALTH INC	113,304 (+40.3%)	$9.404M (+201.9%)	6.0%	$52.76	—	CL A	433313103
WGS	GENEDX HOLDINGS CORP	177,870 (+20.0%)	$12.21M (+28.3%)	7.8%	$30.14	—	COM CL A	81663L200
VERX	VERTEX INC	361,621 (+21.7%)	$4.151M (+17.5%)	2.6%	$24.97	—	CL A	92538J106
CNF	CNFINANCE HLDGS LTD	108,017 (+34.4%)	$299K (-4.8%)	0.2%	$3.83	—	SPON ADS	18979T204

Exited Positions (3)

NVGS NAVIGATOR HLDGS LTD 6.6%

Value $10.44M Shares 539,881 Est. Cost $9.97 Unrealized —

SGOV ISHARES TR 6.1%

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

AOSL ALPHA & OMEGA SEMICONDUCTOR LT 1.7%

Value $2.664M Shares 120,196 Est. Cost $12.07 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
NVGS	NAVIGATOR HLDGS LTD	539,881	$10.44M	6.6%	$9.97	—	—	Y62132108
SGOV	ISHARES TR	95,621	$9.625M	6.1%	$100.66	—	—	46436E718
AOSL	ALPHA & OMEGA SEMICONDUCTOR LT	120,196	$2.664M	1.7%	$12.07	—	—	G6331P104

Unchanged Positions (14)

BLFS BIOLIFE SOLUTIONS INC 4.9%

Value $7.744M Shares 274,217 Est. Cost $17.91 Unrealized —

FIVN FIVE9 INC 4.6%

Value $7.169M Shares 336,277 Est. Cost $33.83 Unrealized —

OSUR OraSure Technologies Inc 3.4%

Value $5.385M Shares 1,207,440 Est. Cost $3.41 Unrealized —

FRSH FRESHWORKS INC 5.0%

Value $7.855M Shares 776,212 Est. Cost $15.19 Unrealized —

BL BLACKLINE INC 2.3%

Value $3.651M Shares 130,050 Est. Cost $48.77 Unrealized —

AMRC AMERESCO INC 8.3%

Value $13.05M Shares 472,798 Est. Cost $18.40 Unrealized —

PCRX PACIRA BIOSCIENCES INC 5.7%

Value $8.946M Shares 352,637 Est. Cost $31.81 Unrealized —

HZO MarineMax Inc 2.3%

Value $3.561M Shares 97,242 Est. Cost $25.31 Unrealized —

EQIX EQUINIX INC 7.1%

Value $11.17M Shares 10,715 Est. Cost $490.46 Unrealized —

DV DOUBLEVERIFY HLDGS INC 3.0%

Value $4.748M Shares 438,039 Est. Cost $15.78 Unrealized —

AMPL AMPLITUDE INC 3.1%

Value $4.858M Shares 634,987 Est. Cost $10.81 Unrealized —

EPD ENTERPRISE PRODS PARTNERS L P 7.9%

Value $12.49M Shares 339,877 Est. Cost $24.20 Unrealized —

PROF PROFOUND MED CORP 4.1%

Value $6.399M Shares 962,186 Est. Cost $10.24 Unrealized —

KLTR KALTURA INC 1.2%

Value $1.837M Shares 1,413,010 Est. Cost $1.85 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
BLFS	BIOLIFE SOLUTIONS INC	274,217	$7.744M	4.9%	$17.91	—	COM NEW	09062W204
FIVN	FIVE9 INC	336,277	$7.169M	4.6%	$33.83	—	COM	338307101
OSUR	OraSure Technologies Inc	1,207,440	$5.385M	3.4%	$3.41	—	COM	68554V108
FRSH	FRESHWORKS INC	776,212	$7.855M	5.0%	$15.19	—	CLASS A COM	358054104
BL	BLACKLINE INC	130,050	$3.651M	2.3%	$48.77	—	COM	09239B109
AMRC	AMERESCO INC	472,798	$13.05M	8.3%	$18.40	—	CLA	02361E108
PCRX	PACIRA BIOSCIENCES INC	352,637	$8.946M	5.7%	$31.81	—	COM NEW	695127100
HZO	MarineMax Inc	97,242	$3.561M	2.3%	$25.31	—	COM	567908108
EQIX	EQUINIX INC	10,715	$11.17M	7.1%	$490.46	—	COM	29444U700
DV	DOUBLEVERIFY HLDGS INC	438,039	$4.748M	3.0%	$15.78	—	COM	25862V105
AMPL	AMPLITUDE INC	634,987	$4.858M	3.1%	$10.81	—	COM CL A	03213A104
EPD	ENTERPRISE PRODS PARTNERS L P	339,877	$12.49M	7.9%	$24.20	—	COM	293792107
PROF	PROFOUND MED CORP	962,186	$6.399M	4.1%	$10.24	—	COM NEW	74319B502
KLTR	KALTURA INC	1,413,010	$1.837M	1.2%	$1.85	—	COM	483467106