Gagnon Advisors
Gagnon Advisors reported 22 stocks worth $151M in its 13F filing for Q2 2026, filed Aug 5, 2026. Its largest holdings are CDNA (10.3%), AMRC (8.6%) and EPD (8.3%). Compared with Q1 2026, the fund opened new positions in TMCI, QDEL and BYND, added to CDNA, WGS and HNGE and sold out of NVGS, SGOV and AOSL.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  CDNA Caredx Inc | $15.6M | 10.3% | 547K | +14K (+3%) | 8 of 8 | |
| 2 |  AMRC Ameresco Inc | $13M | 8.6% | 473K | No change | 8 of 8 | |
| 3 |  EPD Enterprise Products | $12.5M | 8.3% | 340K | No change | 8 of 8 | |
| 4 |  WGS Genedx Holdings Corp | $12.2M | 8.1% | 178K | +30K (+20%) | 8 of 8 | |
| 5 |  EQIX Equinix Inc | $11.2M | 7.4% | 11K | No change | 8 of 8 | |
| 6 |  HNGE Hinge Health Inc | $9.4M | 6.2% | 113K | +33K (+40%) | 2 of 8 | |
| 7 |  PCRX Pacira Biosciences Inc | $8.9M | 5.9% | 353K | No change | 8 of 8 | |
| 8 |  FRSH Freshworks Inc | $7.9M | 5.2% | 776K | No change | 8 of 8 | |
| 9 | BIOLIFE SOLUTIONS INC | $7.7M | 5.1% | 274K | No change | 8 of 8 | |
| 10 |  FIVN FIVE9 Inc | $7.2M | 4.7% | 336K | No change | 8 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 5, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Gagnon Advisors 13F FAQ
What does Gagnon Advisors own?
Gagnon Advisors reported 22 stocks worth $151M in its 13F filing for Q2 2026, filed Aug 5, 2026. Its largest holdings are CDNA (10.3%), AMRC (8.6%) and EPD (8.3%). The table above lists every position in the filing (the top 10 without an account).
What did Gagnon Advisors buy and sell in Q2 2026?
Compared with Q1 2026: 3 new positions, 5 added to, 0 trimmed and 3 sold out. New positions include TMCI, QDEL and BYND. It sold all of NVGS, SGOV and AOSL.
When will Gagnon Advisors file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Gagnon Advisors's portfolio worth?
The Q2 2026 filing reports $151M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.