Gagnon Advisors, LLC 13F holdings, Q4 2025
Holdings as of December 31, 2025 · filings on SEC EDGAR · latest filing →
Gagnon Advisors, LLC disclosed 23 US equity positions worth $157.5m in its Q4 2025 13F filing. The largest position was WGS at 10.5% of the reported book, followed by AMRC and AIR LEASE CORP. Against the Q3 2025 filing, it opened 0 new positions, added to 7 and reduced 2 among the top 23 holdings.
What did Gagnon Advisors, LLC own in Q4 2025? Top 23 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q3 2025 |
|---|---|---|---|---|---|---|---|
| 1 | WGS GENEDX HOLDINGS CORP | Healthcare | 10.5% | $16.5m | 127,062 | 0% | held |
| 2 | AMRC AMERESCO INC | Industrials | 8.8% | $13.8m | 472,798 | 0% | held |
| 3 | AIR LEASE CORP | 8.0% | $12.6m | 196,479 | 0% | held | |
| 4 | EPD ENTERPRISE PRODS PARTNERS L P | Energy | 6.9% | $10.9m | 339,877 | 0% | held |
| 5 | CDNA CAREDX INC | Healthcare | 6.4% | $10.0m | 532,892 | 1% | added |
| 6 | NVGS NAVIGATOR HLDGS LTD | Energy | 5.7% | $9.0m | 517,066 | 0% | held |
| 7 | EQIX EQUINIX INC | Real Estate | 5.2% | $8.2m | 10,715 | 0% | held |
| 8 | PROF PROFOUND MED CORP | 4.8% | $7.6m | 962,186 | 7% | added | |
| 9 | BL BLACKLINE INC | Technology | 4.6% | $7.2m | 130,050 | 0% | held |
| 10 | FRSH FRESHWORKS INC | Technology | 4.4% | $6.9m | 564,879 | -50% | reduced |
| 11 | PCRX PACIRA BIOSCIENCES INC | Healthcare | 4.3% | $6.8m | 260,908 | 22% | added |
| 12 | FIVN FIVE9 INC | Technology | 4.3% | $6.7m | 336,277 | 101% | added |
| 13 | BLFS BIOLIFE SOLUTIONS INC | Healthcare | 4.2% | $6.6m | 274,217 | 0% | held |
| 14 | AMPL AMPLITUDE INC | Technology | 3.4% | $5.3m | 457,212 | 30% | added |
| 15 | DV DOUBLEVERIFY HLDGS INC | Communication Services | 3.2% | $5.0m | 438,039 | -30% | reduced |
| 16 | HZO MarineMax Inc | 3.0% | $4.7m | 194,484 | 28% | added | |
| 17 | VERX VERTEX INC | Technology | 2.9% | $4.6m | 232,479 | 0% | held |
| 18 | TMCI TREACE MED CONCEPTS INC | Healthcare | 2.4% | $3.8m | 1,534,034 | 58% | added |
| 19 | NVDA NVIDIA CORPORATION | Technology | 2.0% | $3.1m | 16,555 | 0% | held |
| 20 | OSUR OraSure Technologies Inc | Healthcare | 1.9% | $2.9m | 1,207,440 | 0% | held |
| 21 | AOSL ALPHA & OMEGA SEMICONDUCTOR LT | Technology | 1.5% | $2.4m | 120,196 | 0% | held |
| 22 | KLTR KALTURA INC | 1.5% | $2.3m | 1,413,010 | 0% | held | |
| 23 | CNFINANCE HLDGS LTD | 0.3% | $486.2k | 80,359 | 0% | held |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.