# Gagnon Advisors, LLC: Form 13F holdings

An institutional investment manager in New York, NY. SEC CIK 1599466.

- Quarter ended: 2026-06-30
- Filed: 2026-08-05
- Reported value: $157.3m
- Positions: 23 (23 lines in the filing's table; lines for the same security and option type are added together here)
- Compared with: the 13F for the quarter ended 2026-03-31
- Filing: https://www.sec.gov/Archives/edgar/data/1599466/000101905626000122/

## Holdings

As filed, largest first. Reported value is what the manager stated at the quarter end (Jun 30, 2026), in US dollars; it is filing data, not a price. Weight is the share of the total reported value.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [CAREDX INC (CDNA)](/companies/cdna.md) | COM | $15.6m | 9.9% | 546,893 |  | Added +14,001 |
| [AMERESCO INC (AMRC)](/companies/amrc.md) | CLA | $13.0m | 8.3% | 472,798 |  | Unchanged |
| [ENTERPRISE PRODS PARTNERS L P (EPD)](/companies/epd.md) | COM | $12.5m | 7.9% | 339,877 |  | Unchanged |
| [GENEDX HOLDINGS CORP (WGS)](/companies/wgs.md) | COM CL A | $12.2m | 7.8% | 177,870 |  | Added +29,645 |
| [EQUINIX INC (EQIX)](/companies/eqix.md) | COM | $11.2m | 7.1% | 10,715 |  | Unchanged |
| [HINGE HEALTH INC (HNGE)](/companies/hnge.md) | CL A | $9.4m | 6.0% | 113,304 |  | Added +32,517 |
| [PACIRA BIOSCIENCES INC (PCRX)](/companies/pcrx.md) | COM NEW | $8.9m | 5.7% | 352,637 |  | Unchanged |
| [FRESHWORKS INC (FRSH)](/companies/frsh.md) | CLASS A COM | $7.9m | 5.0% | 776,212 |  | Unchanged |
| BIOLIFE SOLUTIONS INC | COM NEW | $7.7m | 4.9% | 274,217 |  | Unchanged |
| [FIVE9 INC (FIVN)](/companies/fivn.md) | COM | $7.2m | 4.6% | 336,277 |  | Unchanged |
| [PROFOUND MED CORP (PROF)](/companies/prof.md) | COM NEW | $6.4m | 4.1% | 962,186 |  | Unchanged |
| NAVIGATOR HLDGS LTD | SHS | $6.1m | 3.9% | 328,488 |  | New +328,488 |
| [TREACE MED CONCEPTS INC (TMCI)](/companies/tmci.md) | COM | $6.1m | 3.9% | 1,534,034 |  | New +1,534,034 |
| [OraSure Technologies Inc (OSUR)](/companies/osur.md) | COM | $5.4m | 3.4% | 1,207,440 |  | Unchanged |
| [AMPLITUDE INC (AMPL)](/companies/ampl.md) | COM CL A | $4.9m | 3.1% | 634,987 |  | Unchanged |
| [DOUBLEVERIFY HLDGS INC (DV)](/companies/dv.md) | COM | $4.7m | 3.0% | 438,039 |  | Unchanged |
| [QUIDELORTHO CORP (QDEL)](/companies/qdel.md) | COM | $4.2m | 2.7% | 241,097 |  | New +241,097 |
| [VERTEX INC (VERX)](/companies/verx.md) | CL A | $4.2m | 2.6% | 361,621 |  | Added +64,571 |
| [BLACKLINE INC (BL)](/companies/bl.md) | COM | $3.7m | 2.3% | 130,050 |  | Unchanged |
| [MarineMax Inc (HZO)](/companies/hzo.md) | COM | $3.6m | 2.3% | 97,242 |  | Unchanged |
| [KALTURA INC (KLTR)](/companies/kltr.md) | COM | $1.8m | 1.2% | 1,413,010 |  | Unchanged |
| [CNFINANCE HLDGS LTD (CNF)](/companies/cnf.md) | SPON ADS | $299.2k | 0.2% | 108,017 |  | Added +27,658 |
| BEYOND MEAT INC | COM | $291.7k | 0.2% | 388,880 |  | New +388,880 |

## Sold out

Held at the end of the quarter before and not reported this quarter.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| ALPHA & OMEGA SEMICONDUCTOR LT | SHS | $0 | 0.0% | 0 |  | Sold out −120,196 |
| ISHARES TR | 0-3 MNTH TREASRY | $0 | 0.0% | 0 |  | Sold out −95,621 |
| NAVIGATOR HLDGS LTD | SHS | $0 | 0.0% | 0 |  | Sold out −539,881 |

Source: SEC EDGAR, Form 13F-HR, accession 0001019056-26-000122. Last ingested by Listed: Oct 22, 2026, 05:26 ET. No prices; not investment advice.