Gagnon Advisors, LLC
In its 13F for Q2 2025 (holdings as of June 30, 2025, filed July 23, 2025), Gagnon Advisors, LLC reported 24 stock positions worth $148.8 million. Its top holding was Genedx (WGS) at 7.9% of the portfolio, followed by Power Solutions Internationa (PSIX, 7.8%) and Sumisho Air Lease (AL, 7.7%). Compared with Q1 2025, it opened 1 new position, sold out of 5, added to 7 and reduced 1. The biggest buy was Doubleverify (DV, shares +362%) and the biggest sale an exit from Veren (VRN).
- Most Recent 13F
- Q2 2026
- Location
- New York, NY
- CIK
- 0001599466
- Portfolio Value
- $148.8M (Q2 2025)
- SEC Filing
- 0001019056-25-000194 ↗ filed Jul 23, 2025
Holdings Value
Holdings 24 stocks · $148.8M
| WGS Genedx Holdings Corp. | 7.88% | 127,062 | $11.7M | No change |
| PSIX Power Solutions Internationa | 7.84% | 180,405 | $11.7M | Reduce -44.2% |
| AL Sumisho Air Lease Corp. filed as AIR LEASE CORP | 7.72% | 196,479 | $11.5M | No change |
| EPD Enterprise Products Partners | 7.08% | 339,877 | $10.5M | No change |
| CDNA Caredx Inc. | 5.96% | 454,163 | $8.9M | Add +10.0% |
| EQIX Equinix Inc. | 5.73% | 10,715 | $8.5M | Add +37.8% |
| BL Blackline Inc. | 4.95% | 130,050 | $7.4M | No change |
| NVGS Navigator Holdings Ltd. | 4.92% | 517,066 | $7.3M | No change |
| AMRC Ameresco Inc. Class A | 4.83% | 472,798 | $7.2M | No change |
| FRSH Freshworks Inc. Class A | 4.71% | 470,434 | $7.0M | No change |
| BLFS Biolife Solutions Inc. | 3.97% | 274,217 | $5.9M | No change |
| VERX Vertex Inc. Class A | 3.84% | 161,813 | $5.7M | No change |
| PROF Profound Medical Corp. | 3.56% | 896,671 | $5.3M | No change |
| PCRX Pacira Biosciences Inc. | 3.43% | 213,402 | $5.1M | Add +60.0% |
| TMCI Treace Medical Concepts Inc. | 3.28% | 830,270 | $4.9M | Add +69.5% |
| DV Doubleverify Holdings Inc. | 3.15% | 312,885 | $4.7M | Add +362.1% |
| EXAS Exact Sciences Corp. | 3.11% | 86,972 | $4.6M | No change |
| FIVN FIVE9 Inc. | 2.98% | 167,386 | $4.4M | No change |
| OSUR Orasure Technologies Inc. | 2.43% | 1,207,440 | $3.6M | Add +51.5% |
| ASPN Aspen Aerogels Inc. | 2.25% | 565,570 | $3.3M | New |
| AOSL Alpha & Omega Semiconductor | 2.07% | 120,196 | $3.1M | No change |
| KLTR Kaltura Inc. | 1.87% | 1,386,044 | $2.8M | No change |
| NVDA Nvidia Corp. | 1.76% | 16,555 | $2.6M | No change |
| CNF Cnfinance Hldgs Ltd. | 0.69% | 1,569,434 | $1.0M | Add +100.0% |
Portfolio Sells Q1 2025 → Q2 2025
Portfolio Buys Q1 2025 → Q2 2025
| DV Doubleverify Holdings Inc. | Add +362.1% | 3.15% | +2.51 |
| ASPN Aspen Aerogels Inc. | New | 2.25% | +2.25 |
| EQIX Equinix Inc. | Add +37.8% | 5.73% | +1.25 |
| PCRX Pacira Biosciences Inc. | Add +60.0% | 3.43% | +1.09 |
| CDNA Caredx Inc. | Add +10.0% | 5.96% | +0.79 |
| OSUR Orasure Technologies Inc. | Add +51.5% | 2.43% | +0.54 |
| TMCI Treace Medical Concepts Inc. | Add +69.5% | 3.28% | +0.38 |
| CNF Cnfinance Hldgs Ltd. | Add +100.0% | 0.69% | +0.25 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 23 | $157.3M | CDNA, AMRC, EPD, WGS, EQIX |
| Q1 2026 | 22 | $135.9M | EPD, AMRC, EQIX, NVGS, SGOV |
| Q4 2025 | 23 | $157.5M | WGS, AMRC, AL, EPD, CDNA |
| Q3 2025 | 24 | $162.0M | AMRC, WGS, FRSH, AL, EPD |
| Q2 2025 | 24 | $148.8M | WGS, PSIX, AL, EPD, CDNA |
| Q1 2025 | 28 | $141.8M | EPD, WGS, AL, PSIX, CDNA |
| Q4 2024 | 26 | $156.2M | WGS, PSIX, EPD, AL, CDNA |
| Q3 2024 | 27 | $154.8M | PSIX, CDNA, WGS, EPD, AL |
| Q2 2024 | 27 | $131.3M | EPD, CDNA, AL, NVGS, AOSL |
| Q1 2024 | 26 | $115.3M | AL, EPD, NVGS, BL, FIVN |