GA
Gagnon Advisors, LLC 13F Filings & Institutional Holdings (Q2 2026)
Gagnon Advisors, LLCCIK: 0001599466
Momentum followerSector-focusedQuality / disciplined sizing
Total reported value
$151.1M
Reporting period: 2026-06-30 · Number of holdings: 22
Gagnon Advisors, LLC disclosed 22 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $151.1M and a quarterly turnover rate of 44.4%.
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Personality snowflake
- Concentration
- 24.56
- Portfolio Stability
- 44.41
- Momentum
- 100
- Sector conviction
- 98.74
- Diversification
- 44
- Sizing Uniformity
- 93.94
Gagnon Advisors, LLC's disclosed holdings carry a Herfindahl concentration index of 0.061 — mathematically equivalent to about 16 equally-sized positions, close to its 22 actual disclosed holdings. Value is spread relatively evenly across the portfolio rather than concentrated in a handful of names.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.61), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Sector classification currently covers about 23% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govSold out NVGS
Sold out SGOV
New buy TMCI
Add HNGE
+40.3% $6.3M
Add CDNA
+2.6% $6.3M
New buy QDEL
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | CDNA | Caredx Inc | Stock-Other | 10.31% | +3.50% | +2.63% | |
| 2 | AMRC | Ameresco Inc-cl A | Stock-Other | 8.63% | -0.24% | — | |
| 3 | EPD | Enterprise Products Partners | Stock-Energy | 8.27% | -1.19% | — | |
| 4 | WGS | Genedx Holdings CORP | Stock-Other | 8.08% | +1.08% | +20.00% | |
| 5 | EQIX | Equinix Inc | Stock-Real Estate | 7.39% | -0.34% | — | |
| 6 | HNGE | Hinge Health Inc-a | Stock-Other | 6.22% | +3.93% | +40.25% | |
| 7 | PCRX | Pacira Biosciences Inc | Stock-Other | 5.92% | +0.06% | — | |
| 8 | FRSH | Freshworks Inc-cl A | Stock-Other | 5.20% | +0.61% | — | |
| 9 | BLFS | Biolife Solutions Inc | Stock-Other | 5.12% | +1.27% | — | |
| 10 | FIVN | Five9 Inc | Stock-Tech | 4.74% | +0.99% | — | |
| 11 | PROF | Profound Medical CORP | Stock-Other | 4.23% | -0.36% | — | |
| 12 | TMCI | Treace Medical Concepts Inc | Stock-Other | 4.04% | +4.04% | NEW | |
| 13 | OSUR | Orasure Technologies Inc | Stock-Other | 3.56% | +0.90% | — | |
| 14 | AMPL | Amplitude Inc-class A | Stock-Other | 3.21% | +0.02% | — | |
| 15 | DV | Doubleverify Holdings Inc | Stock-Other | 3.14% | +0.08% | — | |
| 16 | QDEL | Quidelortho CORP | Stock-Other | 2.79% | +2.79% | NEW | |
| 17 | VERX | Vertex Inc - Class A | Stock-Other | 2.75% | +0.15% | +21.74% | |
| 18 | BL | Blackline Inc | Stock-Tech | 2.42% | -1.12% | — | |
| 19 | HZO | Marinemax Inc | Stock-Other | 2.36% | +0.42% | — | |
| 20 | KLTR | Kaltura Inc | Stock-Other | 1.22% | -0.05% | — | |
| 21 | CNF | Cnfinance Holdings LTD | Stock-Other | 0.20% | -0.03% | +34.42% | |
| 22 | BYND | Beyond Meat Inc | Stock-Consumer Staples | 0.19% | +0.19% | NEW |
Portfolio Performance
Performance for Q3 2026
+15.4%
Performance Last 4 Quarters
+22.8%
- Stdev
- +24%
- Beta
- +1.52
- Alpha
- -2.7%
- Max Drawdown
- -23.5%
- Annualized Perf
- +27.8%
- Batting Avg vs S&P
- +63.9%
- Sortino
- +2.12
- Stutzer
- +0.33
- Treynor
- +0.18
- Sterling
- +1.01
- Calmar
- +1.18
- Information Ratio
- +0.5
- Tracking Error
- +15.3%
- Stdev Down
- +13%
- Winning Months %
- +58.3%
- Losing Months %
- +41.7%
- Best 12 Months
- +68%
- Worst 12 Months
- +4%
- Efficiency Ratio
- +0.49
- Sharpe
- +1.15
- Stdev Sectors
- +14.1%
- Skewness
- -0.24
- Kurtosis
- -0.83
- Upside Potential
- +3.92
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 22 | $151.1M | 44 | ||
| 2026 Q1 | 22 | $135.9M | 43 | ||
| 2025 Q4 | 23 | $157.5M | 24 | ||
| 2025 Q3 | 24 | $162.0M | 55 | ||
| 2025 Q2 | 24 | $148.8M | 0 | ||
| 2025 Q1 | 28 | $141.8M | 100 | ||
| 2024 Q4 | 26 | $156.2M | 0 | ||
| 2024 Q3 | 27 | $154.8M | 0 | ||
| 2024 Q2 | 27 | $131.3M | 0 | ||
| 2024 Q1 | 27 | $115.3M | 0 | ||
| 2023 Q4 | 26 | $114.5M | 0 | ||
| 2023 Q3 | 28 | $119.5M | 0 | ||
| 2023 Q2 | 29 | $149.4M | 0 | ||
| 2023 Q1 | 28 | $149.0M | 0 | ||
| 2022 Q4 | 29 | $148.2M | 0 | ||
| 2022 Q3 | 32 | $154.4M | 0 | ||
| 2022 Q2 | 33 | $165.1M | 0 | ||
| 2022 Q1 | 33 | $217.1M | 0 | ||
| 2021 Q4 | 34 | $251.7M | 0 | ||
| 2021 Q3 | 35 | $252.1M | 0 | ||
| 2021 Q2 | 32 | $263.1M | 0 | ||
| 2021 Q1 | 30 | $242.9M | 96 | ||
| 2020 Q4 | 29 | $222.5M | 39 | ||
| 2020 Q3 | 30 | $162.9M | 24 | ||
| 2020 Q2 | 26 | $138.9M | 34 | ||
| 2020 Q1 | 27 | $107.2M | 58 | ||
| 2019 Q4 | 32 | $178.4M | 25 | ||
| 2019 Q3 | 32 | $161.3M | 21 | ||
| 2019 Q2 | 33 | $175.2M | 22 | ||
| 2019 Q1 | 33 | $174.8M | 38 | ||
| 2018 Q4 | 31 | $142.3M | 32 | ||
| 2018 Q3 | 30 | $166.9M | 28 | ||
| 2018 Q2 | 29 | $158.0M | 29 | ||
| 2018 Q1 | 31 | $134.4M | 19 | ||
| 2017 Q4 | 30 | $136.4M | 22 | ||
| 2017 Q3 | 29 | $132.0M | 25 | ||
| 2017 Q2 | 27 | $115.9M | 26 | ||
| 2017 Q1 | 27 | $109.8M | 23 | ||
| 2016 Q4 | 27 | $121.0M | 26 | ||
| 2016 Q3 | 28 | $126.6M | 43 | ||
| 2016 Q2 | 26 | $118.3M | 47 | ||
| 2016 Q1 | 23 | $113.4M | 31 | ||
| 2015 Q4 | 23 | $135.1M | 17 | ||
| 2015 Q3 | 23 | $122.9M | 28 | ||
| 2015 Q2 | 23 | $146.1M | 26 | ||
| 2015 Q1 | 24 | $170.6M | 19 | ||
| 2014 Q4 | 23 | $166.1M | 32 | ||
| 2014 Q3 | 26 | $161.8M | 24 | ||
| 2014 Q2 | 24 | $160.0M | 32 | ||
| 2014 Q1 | 28 | $176.5M | 35 | ||
| 2013 Q4 | 28 | $172.8M | 0 |
Holding changes this quarter
Gagnon Advisors, LLC's most significant position changes for 2026-06-30: Sold out: Navigator Holdings Ltd. (NVGS); Sold out: Ishares 0-3 Month Treasury B (SGOV); New buy: Treace Medical Concepts Inc (TMCI); New buy: Quidelortho CORP (QDEL); Sold out: Alphabet Inc. (GOOG).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | TMCI | Treace Medical Concepts Inc | +4% | NEW | New buy |
| 2 | HNGE | Hinge Health Inc-a | +3.9% | +40.25% | Add |
| 3 | CDNA | Caredx Inc | +3.5% | +2.63% | Add |
| 4 | QDEL | Quidelortho CORP | +2.8% | NEW | New buy |
| 5 | BLFS | Biolife Solutions Inc | +1.3% | — | Unchanged |
| 6 | WGS | Genedx Holdings CORP | +1.1% | +20.00% | Add |
| 7 | FIVN | Five9 Inc | +1% | — | Unchanged |
| 8 | OSUR | Orasure Technologies Inc | +0.9% | — | Unchanged |
| 9 | FRSH | Freshworks Inc-cl A | +0.6% | — | Unchanged |
| 10 | HZO | Marinemax Inc | +0.4% | — | Unchanged |
| 11 | BYND | Beyond Meat Inc | +0.2% | NEW | New buy |
| 12 | VERX | Vertex Inc - Class A | +0.2% | +21.74% | Add |
| 13 | DV | Doubleverify Holdings Inc | +0.1% | — | Unchanged |
| 14 | PCRX | Pacira Biosciences Inc | +0.1% | — | Unchanged |
| 15 | AMPL | Amplitude Inc-class A | 0% | — | Unchanged |
| 16 | CNF | Cnfinance Holdings LTD | 0% | +34.42% | Add |
| 17 | KLTR | Kaltura Inc | -0.1% | — | Unchanged |
| 18 | AMRC | Ameresco Inc-cl A | -0.2% | — | Unchanged |
| 19 | EQIX | Equinix Inc | -0.3% | — | Unchanged |
| 20 | PROF | Profound Medical CORP | -0.4% | — | Unchanged |
| 21 | BL | Blackline Inc | -1.1% | — | Unchanged |
| 22 | EPD | Enterprise Products Partners | -1.2% | — | Unchanged |
| 23 | GOOG | Alphabet Inc. | -2% | EXIT | Sold out |
| 24 | SGOV | Ishares 0-3 Month Treasury B | -7.1% | EXIT | Sold out |
| 25 | NVGS | Navigator Holdings Ltd. | -7.7% | EXIT | Sold out |
Filing History
FAQ
What is Gagnon Advisors, LLC and what type of investor is it?
Gagnon Advisors, LLC is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $151.1M, spread across 22 disclosed positions.
What are Gagnon Advisors, LLC's largest equity positions?
Based on the latest 13F filing, Gagnon Advisors, LLC's top holdings by market value are:
1. Caredx Inc (CDNA) — $15.6M (10.3%)
2. Ameresco Inc-cl A (AMRC) — $13.0M (8.6%)
3. Enterprise Products Partners (EPD) — $12.5M (8.3%)
4. Genedx Holdings CORP (WGS) — $12.2M (8.1%)
5. Equinix Inc (EQIX) — $11.2M (7.4%)
What changes did Gagnon Advisors, LLC make in its most recent portfolio filing?
In the latest reported quarter, Gagnon Advisors, LLC made 11 notable position adjustments: 3 new positions were initiated, 5 existing holdings were added to, 0 positions were partially reduced, and 3 were completely exited. The largest of these moves: Sold out: Navigator Holdings Ltd. (NVGS); Sold out: Ishares 0-3 Month Treasury B (SGOV); New buy: Treace Medical Concepts Inc (TMCI); New buy: Quidelortho CORP (QDEL); Sold out: Alphabet Inc. (GOOG)
What sectors does Gagnon Advisors, LLC focus on?
Gagnon Advisors, LLC is concentrated in the following sectors based on its current disclosed equity portfolio:
• Energy: 35.9%
• Real Estate: 32.1%
• Information Technology: 31.1%
• Consumer Staples: 0.8%
Investment Profile
Gagnon Advisors, LLC returned an annualized 27.8% over the trailing 36 months — underperforming the S&P 500 by 2.7 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 1.52 (more volatile than the market) and a 64% quarterly batting average against the index.
Its portfolio is broadly diversified and moderately active, with 35.9% of the portfolio concentrated in Energy.
Its turnover score has risen from 0 to 44 over the past 4 quarters — a shift toward more active trading.
It has added to its EQIX position over the past two quarters (+$3.0M, now $11.2M), while trimming BL over the same stretch (-$3.5M, still holding $3.7M).
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