Gagnon Advisors, LLC 13F holdings, Q3 2025
Holdings as of September 30, 2025 · filings on SEC EDGAR · latest filing →
Gagnon Advisors, LLC disclosed 24 US equity positions worth $162.0m in its Q3 2025 13F filing. The largest position was AMRC at 9.8% of the reported book, followed by WGS and FRSH. Against the Q2 2025 filing, it opened 3 new positions, added to 6 and reduced 0 among the top 24 holdings.
What did Gagnon Advisors, LLC own in Q3 2025? Top 24 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q2 2025 |
|---|---|---|---|---|---|---|---|
| 1 | AMRC AMERESCO INC | Industrials | 9.8% | $15.9m | 472,798 | 0% | held |
| 2 | WGS GENEDX HOLDINGS CORP | Healthcare | 8.5% | $13.7m | 127,062 | 0% | held |
| 3 | FRSH FRESHWORKS INC | Technology | 8.2% | $13.3m | 1,129,758 | 140% | added |
| 4 | AIR LEASE CORP | 7.7% | $12.5m | 196,479 | 0% | held | |
| 5 | EPD ENTERPRISE PRODS PARTNERS L P | Energy | 6.6% | $10.6m | 339,877 | 0% | held |
| 6 | EQIX EQUINIX INC | Real Estate | 5.2% | $8.4m | 10,715 | 0% | held |
| 7 | NVGS NAVIGATOR HLDGS LTD | Energy | 4.9% | $8.0m | 517,066 | 0% | held |
| 8 | CDNA CAREDX INC | Healthcare | 4.8% | $7.7m | 529,414 | 17% | added |
| 9 | DV DOUBLEVERIFY HLDGS INC | Communication Services | 4.6% | $7.5m | 625,770 | 100% | added |
| 10 | BLFS BIOLIFE SOLUTIONS INC | Healthcare | 4.3% | $7.0m | 274,217 | 0% | held |
| 11 | BL BLACKLINE INC | Technology | 4.3% | $6.9m | 130,050 | 0% | held |
| 12 | TMCI TREACE MED CONCEPTS INC | Healthcare | 4.0% | $6.5m | 968,464 | 17% | added |
| 13 | VERX VERTEX INC | Technology | 3.6% | $5.8m | 232,479 | 44% | added |
| 14 | PCRX PACIRA BIOSCIENCES INC | Healthcare | 3.4% | $5.5m | 213,402 | 0% | held |
| 15 | PROF PROFOUND MED CORP | 2.7% | $4.4m | 896,671 | 0% | held | |
| 16 | FIVN FIVE9 INC | Technology | 2.5% | $4.1m | 167,386 | 0% | held |
| 17 | ASPN ASPEN AEROGELS INC | Basic Materials | 2.4% | $3.9m | 565,570 | 0% | held |
| 18 | OSUR OraSure Technologies Inc | Healthcare | 2.4% | $3.9m | 1,207,440 | 0% | held |
| 19 | HZO MarineMax Inc | 2.4% | $3.8m | 151,845 | – | new | |
| 20 | AMPL AMPLITUDE INC | Technology | 2.3% | $3.8m | 352,991 | – | new |
| 21 | AOSL ALPHA & OMEGA SEMICONDUCTOR LT | Technology | 2.1% | $3.4m | 120,196 | 0% | held |
| 22 | NVDA NVIDIA CORPORATION | Technology | 1.9% | $3.1m | 16,555 | 0% | held |
| 23 | KLTR KALTURA INC | 1.3% | $2.0m | 1,413,010 | 2% | added | |
| 24 | CNFINANCE HLDGS LTD | 0.2% | $336.7k | 80,359 | – | new |
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.