13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0001125725
Total reported value
$507.1M
$507.1M
87 檔
31.5%
At the close of Q2 2025, Gagnon Securities LLC disclosed equity holdings valued at approximately $507.1M, spread across 87 reported holdings.
Gagnon Securities LLC executed strategic sector rebalancing during Q2 2025, establishing 1 new positions while fully exiting 7 holdings and trimming 18 positions.
In terms of portfolio concentration, the top 5 core holdings (including AL, ENSG, CDNA) accounted for 31.5% of total reported equity market value during Q2 2025.
Top New Position Initiated
ASPN
市值: $11.2M
Top Position Liquidated / Trimmed
ETWOGBP
前期市值: $7.6M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | AL | Air Lease CORP | Stock-Other | 8.75% | — | +0.73% | |
| 2 | ENSG | Ensign Group Inc/the | Stock-Healthcare | 6.55% | -2.86% | -4.62% | |
| 3 | CDNA | Caredx Inc | Stock-Other | 6.15% | +2.89% | +8.95% | |
| 4 | ISRG | Intuitive Surgical Inc | Stock-Healthcare | 5.94% | -1.07% | -5.08% | |
| 5 | WGS | Genedx Holdings CORP | Stock-Other | 5.09% | +2.62% | -4.80% | |
| 6 | PSIX | Power Solutions Internationa | Stock-Other | 4.49% | — | -34.97% | |
| 7 | CAKE | Cheesecake Factory Inc/the | Stock-Consumer Disc | 3.26% | +0.64% | -0.38% | |
| 8 | EPD | Enterprise Products Partners | Stock-Energy | 3.07% | -0.79% | -0.06% | |
| 9 | EXK | Exact Sciences CORP | Stock-Materials | 3.01% | — | +3.00% | |
| 10 | BL | Blackline Inc | Stock-Tech | 2.90% | -0.45% | +0.60% | |
| 11 | EQIX | Equinix Inc | Stock-Real Estate | 2.81% | -0.40% | +27.98% | |
| 12 | FRSH | Freshworks Inc-cl A | Stock-Other | 2.80% | -0.09% | +5.44% | |
| 13 | TMCI | Treace Medical Concepts Inc | Stock-Other | 2.69% | +0.77% | +28.83% | |
| 14 | AMRC | Ameresco Inc-cl A | Stock-Other | 2.68% | -0.44% | -10.15% | |
| 15 | NVGS | Navigator Holdings Ltd. | Stock-Other | 2.50% | -3.96% | EXIT | |
| 16 | BLFS | Biolife Solutions Inc | Stock-Other | 2.36% | +0.62% | -0.20% | |
| 17 | ASPN | Aspen Aerogels Inc | Stock-Other | 2.28% | +0.45% | — | |
| 18 | KMX | Carmax Inc | Stock-Consumer Disc | 2.23% | +0.42% | +3.86% | |
| 19 | CARG | Cargurus Inc | Stock-Consumer Disc | 2.21% | +0.34% | -0.46% | |
| 20 | FIVN | Five9 Inc | Stock-Tech | 2.19% | +0.86% | +7.49% | |
| 21 | PROF | Profound Medical CORP | Stock-Other | 2.10% | -0.34% | +3.08% | |
| 22 | GNRC | Generac Holdings Inc | Stock-Industrials | 1.98% | +0.84% | +6.00% | |
| 23 | VERX | Vertex Inc - Class A | Stock-Other | 1.94% | +0.43% | +0.46% | |
| 24 | PCRX | Pacira Biosciences Inc | Stock-Other | 1.79% | -0.18% | +19.47% | |
| 25 | CMG | Chipotle Mexican Grill Inc | Stock-Consumer Disc | 1.67% | -0.13% | +0.50% | |
| 26 | GOOG | Alphabet Inc. | Stock-Comm Services | 1.13% | -0.86% | EXIT | |
| 27 | DV | Doubleverify Holdings Inc | Stock-Other | 1.11% | +0.05% | +280.88% | |
| 28 | OSUR | Orasure Technologies Inc | Stock-Other | 0.98% | +0.21% | +49.39% | |
| 29 | SAM | Boston Beer Company Inc-a | Stock-Consumer Staples | 0.97% | -0.13% | +2.18% | |
| 30 | CTRE | Caretrust Reit Inc | Stock-Real Estate | 0.94% | -0.10% | -3.36% | |
| 31 | PRLB | Proto Labs Inc | Stock-Other | 0.93% | +0.41% | +17.36% | |
| 32 | PNTG | Pennant Group Inc/the | Stock-Other | 0.92% | +0.01% | -0.41% | |
| 33 | KLTR | Kaltura Inc | Stock-Other | 0.89% | -0.08% | +0.15% | |
| 34 | ICUI | Icu Medical Inc | Stock-Other | 0.87% | -0.04% | +0.86% | |
| 35 | NVDA | Nvidia CORP | Stock-Tech | 0.67% | -0.01% | +0.46% | |
| 36 | WCPRF | Whitecap Resources Inc | Stock-Other | 0.66% | -0.24% | +35.76% | |
| 37 | QDEL | Quidelortho CORP | Stock-Other | 0.43% | +2.03% | -20.03% | |
| 38 | TPR | Tapestry Inc | Stock-Consumer Disc | 0.42% | — | -11.91% | |
| 39 | MCHP | Microchip Technology Inc | Stock-Tech | 0.39% | +0.07% | +20.34% | |
| 40 | NTDOY | Nintendo Co Ltd-unspons Adr | Stock-Other | 0.35% | -0.08% | -1.97% | |
| 41 | SLG | Sl Green Realty CORP | Stock-Real Estate | 0.33% | +0.04% | — | |
| 42 | ✓ | Cnfinance Hldgs LTD | Stock-Other | 0.26% | — | -7.93% | |
| 43 | FLG | Flagstar Bank NA | Stock-Financials | 0.25% | -0.01% | +12.55% | |
| 44 | GNTX | Gentex CORP | Stock-Consumer Disc | 0.25% | -0.01% | -1.18% | |
| 45 | PTEN | Patterson-uti Energy Inc | Stock-Energy | 0.25% | -0.76% | +27.20% | |
| 46 | PFE | Pfizer Inc | Stock-Healthcare | 0.21% | -0.18% | +8.63% | |
| 47 | NCNO | Ncino Inc | Stock-Other | 0.21% | -0.04% | -70.57% | |
| 48 | T | At&t Inc | Stock-Comm Services | 0.17% | -0.08% | -28.19% | |
| 49 | GNL | Global Net Lease Inc | Stock-Real Estate | 0.16% | -0.09% | — | |
| 50 | XOM | Exxon Mobil CORP | Stock-Energy | 0.16% | — | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ASPN | Aspen Aerogels Inc | +2.3% | NEW | New buy |
| 2 | PSIX | Power Solutions Internationa | +1.6% | -34.97% | Trim |
| 3 | AL | Air Lease CORP | +1% | +0.73% | Add |
| 4 | DV | Doubleverify Holdings Inc | +0.8% | +280.88% | Add |
| 5 | CDNA | Caredx Inc | +0.6% | +8.95% | Add |
| 6 | CAKE | Cheesecake Factory Inc/the | +0.5% | -0.38% | Trim |
| 7 | EXK | Exact Sciences CORP | +0.4% | +3.00% | Add |
| 8 | EQIX | Equinix Inc | +0.4% | +27.98% | Add |
| 9 | ENSG | Ensign Group Inc/the | +0.3% | -4.62% | Trim |
| 10 | BL | Blackline Inc | +0.2% | +0.60% | Add |
| 11 | GNRC | Generac Holdings Inc | +0.2% | +6.00% | Add |
| 12 | OSUR | Orasure Technologies Inc | +0.2% | +49.39% | Add |
| 13 | PRLB | Proto Labs Inc | +0.2% | +17.36% | Add |
| 14 | NVDA | Nvidia CORP | +0.2% | +0.46% | Add |
| 15 | WCPRF | Whitecap Resources Inc | +0.2% | +35.76% | Add |
| 16 | MCHP | Microchip Technology Inc | +0.2% | +20.34% | Add |
| 17 | CARG | Cargurus Inc | +0.1% | -0.46% | Trim |
| 18 | AMRC | Ameresco Inc-cl A | +0.1% | -10.15% | Trim |
| 19 | PCRX | Pacira Biosciences Inc | +0.1% | +19.47% | Add |
| 20 | FRSH | Freshworks Inc-cl A | +0.1% | +5.44% | Add |
| 21 | PNTG | Pennant Group Inc/the | +0.1% | -0.41% | Trim |
| 22 | NTDOY | Nintendo Co Ltd-unspons Adr | +0.1% | -1.97% | Trim |
| 23 | CMG | Chipotle Mexican Grill Inc | +0.1% | +0.50% | Add |
| 24 | SHOO | Steven Madden LTD | +0.1% | +235.36% | Add |
| 25 | APPS | Digital Turbine Inc | 0% | -15.95% | Trim |
| 26 | NVGS | Navigator Holdings Ltd. | 0% | +2.27% | Add |
| 27 | KLTR | Kaltura Inc | 0% | +0.15% | Add |
| 28 | GOOG | Alphabet Inc. | 0% | +0.57% | Add |
| 29 | MRVL | Marvell Technology Inc | -0.1% | -44.83% | Trim |
| 30 | BX | Blackstone Inc | -0.1% | EXIT | Sold out |
| 31 | FIVN | Five9 Inc | -0.1% | +7.49% | Add |
| 32 | PROF | Profound Medical CORP | -0.1% | +3.08% | Add |
| 33 | EOG | Eog Resources Inc | -0.1% | EXIT | Sold out |
| 34 | QSR | Restaurant Brands Intern | -0.1% | EXIT | Sold out |
| 35 | AKAM | Akamai Technologies Inc | -0.1% | -63.43% | Trim |
| 36 | T | At&t Inc | -0.1% | -28.19% | Trim |
| 37 | ✓ | Cnfinance Hldgs LTD | -0.1% | -7.93% | Trim |
| 38 | DVN | Devon Energy CORP | -0.2% | -51.43% | Trim |
| 39 | ISRG | Intuitive Surgical Inc | -0.2% | -5.08% | Trim |
| 40 | QDEL | Quidelortho CORP | -0.3% | -20.03% | Trim |
| 41 | SAM | Boston Beer Company Inc-a | -0.3% | +2.18% | Add |
| 42 | BLFS | Biolife Solutions Inc | -0.4% | -0.20% | Trim |
| 43 | KMX | Carmax Inc | -0.5% | +3.86% | Add |
| 44 | TMCI | Treace Medical Concepts Inc | -0.5% | +28.83% | Add |
| 45 | IONQ | Ionq Inc | -0.5% | EXIT | Sold out |
| 46 | NCNO | Ncino Inc | -0.5% | -70.57% | Trim |
| 47 | EPD | Enterprise Products Partners | -0.6% | -0.06% | Trim |
| 48 | MXCT | Maxcyte Inc | -0.6% | EXIT | Sold out |
| 49 | 016 | Veren Inc | -1.6% | EXIT | Sold out |
| 50 | ETWOGBP | E2open Parent Holdings Inc | -1.7% | EXIT | Sold out |
According to official SEC Form 13F filings, Gagnon Securities LLC reported a total U.S. public equity portfolio value of $507.1M across 87 disclosed positions in Q2 2025.
During Q2 2025, Gagnon Securities LLC's top holdings by market value included AL (8.8%)、ENSG (6.5%)、CDNA (6.2%). The largest single position, AL, represented 8.8% of total portfolio value.
In Q2 2025, Gagnon Securities LLC made 50 total portfolio adjustments, initiating 1 new buys, adding to 24 positions, trimming 18 holdings, and fully liquidating 7 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.