Gagnon Securities
Gagnon Securities reported 82 stocks worth $507M in its 13F filing for Q2 2026, filed Aug 5, 2026. Its largest holdings are CDNA (9.9%), WGS (7.1%) and ENSG (5.5%). Compared with Q1 2026, the fund opened new positions in WRBY, VCEL and BYND, added to CDNA, WGS and QDEL, trimmed ENSG, AMRC and GNRC and sold out of NVGS, SGOV and AOSL.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  CDNA Caredx Inc | $50.5M | 9.9% | 1.8M | +8,861 (+1%) | 8 of 8 | |
| 2 |  WGS Genedx Holdings Corp | $36M | 7.1% | 525K | +222K (+73%) | 8 of 8 | |
| 3 |  ENSG Ensign Group Inc | $27.9M | 5.5% | 174K | −5,760 (−3%) | 8 of 8 | |
| 4 |  AMRC Ameresco Inc | $22.8M | 4.5% | 827K | −14K (−2%) | 8 of 8 | |
| 5 |  GNRC Generac Hldgs Inc | $21.4M | 4.2% | 73K | −1,743 (−2%) | 8 of 8 | |
| 6 |  EPD Enterprise Products | $18.8M | 3.7% | 511K | −3,681 (−1%) | 8 of 8 | |
| 7 |  QDEL Quidelortho Corp | $18M | 3.6% | 1M | +627K (+155%) | 8 of 8 | |
| 8 |  CAKE Cheesecake Factory Inc | $17.6M | 3.5% | 222K | −3,256 (−1%) | 8 of 8 | |
| 9 |  EQIX Equinix Inc | $17.4M | 3.4% | 17K | −231 (−1%) | 8 of 8 | |
| 10 |  KMX Carmax Inc | $17.2M | 3.4% | 325K | +16K (+5%) | 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| Stock | Value last quarter | Shares sold |
|---|---|---|
 NVGS Navigator Hldgs Ltd | $17.1M | 887K |
 SGOV Ishares TR | $9.3M | 93K |
 AOSL ALPHA & OMEGA SEMICONDUCTOR | $3.7M | 168K |
 GRSD Gambling Com Group Limited | $426K | 110K |
 EOG Eog Res Inc | $268K | 1,851 |
🔒 Free account: see all 6.
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 Securities 13F FAQ
What does Gagnon Securities own?
Gagnon Securities reported 82 stocks worth $507M in its 13F filing for Q2 2026, filed Aug 5, 2026. Its largest holdings are CDNA (9.9%), WGS (7.1%) and ENSG (5.5%). The table above lists every position in the filing (the top 10 without an account).
What did Gagnon Securities buy and sell in Q2 2026?
Compared with Q1 2026: 3 new positions, 25 added to, 45 trimmed and 6 sold out. New positions include WRBY, VCEL and BYND. It sold all of NVGS, SGOV and AOSL.
When will Gagnon Securities 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 Securities's portfolio worth?
The Q2 2026 filing reports $507M 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.