Gagnon Securities LLC
In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 14, 2024), Gagnon Securities LLC reported 97 stock positions worth $444.0 million. Its top holding was Sumisho Air Lease (AL) at 7.9% of the portfolio, followed by Caredx (CDNA, 7.6%) and Ensign (ENSG, 6.6%). Compared with Q1 2024, it opened 5 new positions, sold out of 5, added to 40 and reduced 50. The biggest buy was Genedx (WGS, shares +3%) and the biggest sale Quidelortho (QDEL, shares −22%).
- Most Recent 13F
- Q2 2026
- Location
- New York, NY
- CIK
- 0001125725
- Portfolio Value
- $444.0M (Q2 2024)
- SEC Filing
- 0001019056-24-000242 ↗ filed Aug 14, 2024
Holdings Value
Holdings 97 stocks · $444.0M
| AL Sumisho Air Lease Corp. filed as AIR LEASE CORP | 7.89% | 737,494 | $35.1M | Reduce -1.5% |
| CDNA Caredx Inc. | 7.60% | 2,174,167 | $33.8M | Reduce -3.2% |
| ENSG The Ensign Group Inc. | 6.55% | 235,194 | $29.1M | Reduce -6.6% |
| ISRG Intuitive Surgical Inc. | 5.08% | 50,671 | $22.5M | Reduce -0.9% |
| PCRX Pacira Biosciences Inc. | 3.84% | 596,591 | $17.1M | Add +8.7% |
| WGS Genedx Holdings Corp. | 3.37% | 573,039 | $15.0M | Add +3.0% |
| EPD Enterprise Products Partners | 3.24% | 496,396 | $14.4M | Reduce -3.5% |
| NVGS Navigator Holdings Ltd. | 3.19% | 810,970 | $14.2M | Reduce -12.5% |
| PROF Profound Medical Corp. | 2.85% | 1,508,521 | $12.7M | Reduce -1.3% |
| BLFS Biolife Solutions Inc. | 2.79% | 577,233 | $12.4M | Reduce -2.7% |
| AOSL Alpha & Omega Semiconductor | 2.62% | 311,823 | $11.7M | Reduce -5.7% |
| KMX Carmax Inc. | 2.62% | 158,506 | $11.6M | Add +1.4% |
| FIVN FIVE9 Inc. | 2.52% | 253,532 | $11.2M | Add +12.0% |
| CARG Cargurus Inc. | 2.48% | 419,647 | $11.0M | Reduce -2.9% |
| SCWX Secureworks Corp. Class A | 2.36% | 1,494,494 | $10.5M | Add +14.5% |
| EXAS Exact Sciences Corp. | 2.35% | 246,503 | $10.4M | Add +242.0% |
| AMRC Ameresco Inc. Class A | 2.33% | 359,273 | $10.4M | Add +3.6% |
| ZUO Zuora Inc. Class A | 2.30% | 1,030,226 | $10.2M | Add +1.1% |
| EQIX Equinix Inc. | 2.27% | 13,324 | $10.1M | Add +0.8% |
| CMG Chipotle Mexican Grill Inc. | 2.13% | 151,036 | $9.5M | Reduce -31.2% |
| FRSH Freshworks Inc. Class A | 2.10% | 735,631 | $9.3M | Add +24.1% |
| BL Blackline Inc. | 2.03% | 185,587 | $9.0M | Add +11.8% |
| CAKE The Cheesecake Factory Inc. | 1.93% | 218,425 | $8.6M | Reduce -0.2% |
| PSIX Power Solutions Internationa | 1.84% | 1,282,653 | $8.2M | Reduce -0.7% |
| ETWO E2OPEN Parent Holdings Inc. | 1.61% | 1,594,250 | $7.2M | Reduce -2.2% |
| VERX Vertex Inc. Class A | 1.45% | 178,019 | $6.4M | Reduce -18.4% |
| SAM Boston Beer Company Inc. Class A | 1.31% | 19,108 | $5.8M | Add +13.1% |
| QDEL Quidelortho Corp. | 1.31% | 174,752 | $5.8M | Reduce -22.0% |
| GNRC Generac Holdings Inc. | 1.13% | 37,940 | $5.0M | Reduce -0.3% |
| VRN Veren Inc. | 1.00% | 564,063 | $4.4M | Add +19.5% |
| PNTG The Pennant Group Inc. | 0.95% | 181,001 | $4.2M | Reduce -2.0% |
| CTRE Caretrust REIT Inc. | 0.90% | 158,614 | $4.0M | No change |
| DV Doubleverify Holdings Inc. | 0.86% | 196,590 | $3.8M | Add +128.6% |
| TMCI Treace Medical Concepts Inc. | 0.72% | 483,581 | $3.2M | New |
| PRLB Proto Labs Inc. | 0.65% | 92,914 | $2.9M | Add +0.4% |
| ICUI Icu Medical Inc. | 0.63% | 23,631 | $2.8M | Add +2.2% |
| AKAM Akamai Technologies Inc. | 0.60% | 29,557 | $2.7M | Reduce -1.0% |
| CNF Cnfinance Hldgs Ltd. | 0.55% | 1,520,330 | $2.5M | Reduce -0.8% |
| KLTR Kaltura Inc. | 0.52% | 1,917,716 | $2.3M | Add +16.2% |
| TPR Tapestry Inc. | 0.49% | 50,636 | $2.2M | Reduce -0.8% |
| GNTX Gentex Corp. | 0.44% | 58,575 | $2.0M | Reduce -1.5% |
| SLG SL Green Realty Corp. | 0.41% | 32,279 | $1.8M | Reduce -15.8% |
| MCHP Microchip Technology Inc. | 0.40% | 19,464 | $1.8M | Reduce -7.4% |
| IONQ Ionq Inc. | 0.38% | 242,756 | $1.7M | Add +0.6% |
| PTEN Patterson-Uti Energy Inc. | 0.37% | 159,799 | $1.7M | Add +0.3% |
| LAB Standard Biotools Inc. | 0.36% | 898,509 | $1.6M | Add +5.1% |
| DVN Devon Energy Corp. | 0.26% | 24,289 | $1.2M | Reduce -1.6% |
| MRVL Marvell Technology Inc. | 0.25% | 16,027 | $1.1M | Reduce -5.5% |
| PFE Pfizer Inc. | 0.24% | 37,608 | $1.1M | Reduce -2.0% |
| NTDOY Nintendo Co. Ltd.-Unspons ADR | 0.23% | 76,795 | $1.0M | Reduce -0.9% |
| FLG Flagstar Bank NA filed as NEW YORK CMNTY BANCORP INC COM NEW | 0.22% | 297,534 | $958K | New |
| XOM Exxon Mobil Corp. | 0.20% | 7,667 | $883K | Reduce -2.5% |
| CELC Celcuity Inc. | 0.20% | 53,192 | $871K | Reduce -0.6% |
| T AT&T Inc. | 0.19% | 43,960 | $840K | Reduce -26.6% |
| GNL Global Net Lease Inc. | 0.18% | 111,518 | $820K | Reduce -2.1% |
| SBUX Starbucks Corp. | 0.17% | 9,478 | $738K | Add +47.1% |
| MRK Merck & Co. Inc. | 0.13% | 4,482 | $555K | Reduce -13.3% |
| TECH Bio-Techne Corp. | 0.11% | 7,116 | $510K | Add +1.2% |
| META Meta Platforms Inc. Class A | 0.11% | 984 | $496K | Reduce -1.8% |
| GDRX Goodrx Holdings Inc. Class A | 0.11% | 63,354 | $494K | Add +20.6% |
| SHOP Shopify Inc. Class A | 0.11% | 7,315 | $483K | Add +3.5% |
| DRRX Durect Corporation | 0.11% | 374,214 | $483K | Reduce -1.6% |
| GOOGL Alphabet Inc. Class A | 0.11% | 2,608 | $475K | Add +0.1% |
| HIMX Himax Technologies Inc.-ADR | 0.10% | 58,605 | $465K | Reduce -2.0% |
| CVLT Commvault Systems Inc. | 0.10% | 3,687 | $448K | Add +0.2% |
| MSFT Microsoft Corp. | 0.10% | 952 | $425K | Add +0.5% |
| LTH Life Time Group Holdings Inc. | 0.09% | 20,106 | $379K | Add +48.7% |
| NVDA Nvidia Corp. | 0.09% | 3,058 | $378K | Reduce -39.2% |
| MU Micron Technology Inc. | 0.08% | 2,616 | $344K | Reduce -33.0% |
| EOG EOG Resources Inc. | 0.08% | 2,711 | $341K | Reduce -27.6% |
| BLZE Backblaze Inc. Class A | 0.08% | 55,044 | $339K | Add +0.8% |
| SHEL Shell PLC-ADR | 0.07% | 4,596 | $332K | Reduce -0.8% |
| PYPL PayPal Holdings Inc. | 0.07% | 5,215 | $303K | Add +0.5% |
| ONTO Onto Innovation Inc. | 0.07% | 1,335 | $293K | Reduce -22.1% |
| BX Blackstone Inc. | 0.07% | 2,331 | $289K | Reduce -3.3% |
| CESDF Ces Energy Solutions Corp. | 0.06% | 48,576 | $273K | Reduce -51.1% |
| WBA Walgreens Boots Alliance Inc. | 0.06% | 21,590 | $261K | Reduce -2.0% |
| CGNX Cognex Corp. | 0.05% | 5,154 | $241K | Add +0.6% |
| RBLX Roblox Corp. Class A | 0.05% | 6,467 | $241K | Add +0.2% |
| ETSY Etsy Inc. | 0.05% | 3,919 | $231K | Add +17.1% |
| RAMP Liveramp Holdings Inc. | 0.05% | 7,381 | $228K | Add +13.7% |
| MXCT Maxcyte Inc. | 0.05% | 56,506 | $222K | Add +0.3% |
| RNG Ringcentral Inc. Class A | 0.05% | 7,223 | $204K | Add +10.3% |
| MBLY Mobileye Global Inc. Class A | 0.05% | 7,223 | $203K | Reduce -2.0% |
| DHX Dhi Group Inc. | 0.04% | 89,577 | $187K | Add +0.8% |
| WBD Warner Bros Discovery Inc. | 0.03% | 20,830 | $155K | Reduce -1.7% |
| RVLV Revolve Group Inc. Class A | 0.03% | 9,390 | $149K | New |
| VIAV Viavi Solutions Inc. | 0.03% | 19,261 | $132K | Add +1.2% |
| PETS Petmed Express Inc. | 0.02% | 26,606 | $108K | Reduce -2.2% |
| RNTX Rein Therapeutics Inc. filed as AILERON THERAPEUTICS INC | 0.02% | 37,977 | $105K | Add +0.1% |
| YEXT Yext Inc. | 0.02% | 18,471 | $99K | Reduce -2.2% |
| KYTX Kyverna Therapeutics Inc. | 0.02% | 12,136 | $91K | New |
| APPS Digital Turbine Inc. | 0.02% | 52,309 | $87K | Add +40.5% |
| LUXE Luxexperience BV filed as MYT NETHERLANDS PARENT B V | 0.01% | 12,198 | $62K | New |
| EVVAQ Enviva LLC | 0.01% | 112,494 | $48K | Reduce -13.5% |
| RDHL Redhill Biopharma Ltd.-SP ADR | 0.01% | 116,020 | $43K | Reduce -2.0% |
| LLFLQ LL Flooring Holdings Inc. | 0.01% | 29,248 | $42K | No change |
Portfolio Sells Q1 2024 → Q2 2024
| QDEL Quidelortho Corp. | Reduce -22.0% | 1.31% | −1.23 |
| AL Sumisho Air Lease Corp. | Reduce -1.5% | 7.89% | −1.22 |
| CMG Chipotle Mexican Grill Inc. | Reduce -31.2% | 2.13% | −0.89 |
| ENSG The Ensign Group Inc. | Reduce -6.6% | 6.55% | −0.86 |
| EPD Enterprise Products Partners | Reduce -3.5% | 3.24% | −0.31 |
| PROF Profound Medical Corp. | Reduce -1.3% | 2.85% | −0.24 |
| CNF Cnfinance Hldgs Ltd. | Reduce -0.8% | 0.55% | −0.20 |
| VERX Vertex Inc. Class A | Reduce -18.4% | 1.45% | −0.19 |
| WFC Wells Fargo & Co. | Sold out | 0.00% | −0.18 |
| NVGS Navigator Holdings Ltd. | Reduce -12.5% | 3.19% | −0.18 |
| AKAM Akamai Technologies Inc. | Reduce -1.0% | 0.60% | −0.17 |
| FLG New York Community Bancorp | Sold out | 0.00% | −0.16 |
| ETWO E2OPEN Parent Holdings Inc. | Reduce -2.2% | 1.61% | −0.10 |
| SLG SL Green Realty Corp. | Reduce -15.8% | 0.41% | −0.09 |
| TPR Tapestry Inc. | Reduce -0.8% | 0.49% | −0.09 |
| CELC Celcuity Inc. | Reduce -0.6% | 0.20% | −0.08 |
| GNTX Gentex Corp. | Reduce -1.5% | 0.44% | −0.06 |
| T AT&T Inc. | Reduce -26.6% | 0.19% | −0.06 |
| MODN Model N Inc. | Sold out | 0.00% | −0.06 |
| WBA Walgreens Boots Alliance Inc. | Reduce -2.0% | 0.06% | −0.05 |
| SHOO Steven Madden Ltd. | Sold out | 0.00% | −0.05 |
| MCHP Microchip Technology Inc. | Reduce -7.4% | 0.40% | −0.05 |
| EOG EOG Resources Inc. | Reduce -27.6% | 0.08% | −0.04 |
| MRK Merck & Co. Inc. | Reduce -13.3% | 0.13% | −0.04 |
| DVN Devon Energy Corp. | Reduce -1.6% | 0.26% | −0.03 |
| MRVL Marvell Technology Inc. | Reduce -5.5% | 0.25% | −0.03 |
| MU Micron Technology Inc. | Reduce -33.0% | 0.08% | −0.03 |
| GNL Global Net Lease Inc. | Reduce -2.1% | 0.18% | −0.02 |
| NVDA Nvidia Corp. | Reduce -39.2% | 0.09% | −0.02 |
| CESDF Ces Energy Solutions Corp. | Reduce -51.1% | 0.06% | −0.02 |
| NTDOY Nintendo Co. Ltd.-Unspons ADR | Reduce -0.9% | 0.23% | −0.02 |
| XOM Exxon Mobil Corp. | Reduce -2.5% | 0.20% | −0.02 |
| PFE Pfizer Inc. | Reduce -2.0% | 0.24% | −0.01 |
| MBLY Mobileye Global Inc. Class A | Reduce -2.0% | 0.05% | −0.01 |
| BX Blackstone Inc. | Reduce -3.3% | 0.07% | −0.01 |
| WBD Warner Bros Discovery Inc. | Reduce -1.7% | 0.03% | −0.01 |
| ONTO Onto Innovation Inc. | Reduce -22.1% | 0.07% | −0.01 |
| PETS Petmed Express Inc. | Reduce -2.2% | 0.02% | −0.01 |
| GNRC Generac Holdings Inc. | Reduce -0.3% | 1.13% | −0.01 |
| RDHL Redhill Biopharma Ltd.-SP ADR | Reduce -2.0% | 0.01% | −0.01 |
| YEXT Yext Inc. | Reduce -2.2% | 0.02% | −0.00 |
| META Meta Platforms Inc. Class A | Reduce -1.8% | 0.11% | −0.00 |
| EVVAQ Enviva LLC | Reduce -13.5% | 0.01% | −0.00 |
| DRRX Durect Corporation | Reduce -1.6% | 0.11% | −0.00 |
| FTCHQ Farfetch Ltd. Class A | Sold out | 0.00% | −0.00 |
| SHEL Shell PLC-ADR | Reduce -0.8% | 0.07% | +0.00 |
| HIMX Himax Technologies Inc.-ADR | Reduce -2.0% | 0.10% | +0.03 |
| CAKE The Cheesecake Factory Inc. | Reduce -0.2% | 1.93% | +0.06 |
| PNTG The Pennant Group Inc. | Reduce -2.0% | 0.95% | +0.09 |
| CARG Cargurus Inc. | Reduce -2.9% | 2.48% | +0.12 |
Portfolio Buys Q1 2024 → Q2 2024
| WGS Genedx Holdings Corp. | Add +3.0% | 3.37% | +2.17 |
| EXAS Exact Sciences Corp. | Add +242.0% | 2.35% | +1.17 |
| TMCI Treace Medical Concepts Inc. | New | 0.72% | +0.72 |
| AMRC Ameresco Inc. Class A | Add +3.6% | 2.33% | +0.35 |
| SCWX Secureworks Corp. Class A | Add +14.5% | 2.36% | +0.28 |
| FLG Flagstar Bank NA | New | 0.22% | +0.22 |
| DV Doubleverify Holdings Inc. | Add +128.6% | 0.86% | +0.15 |
| ZUO Zuora Inc. Class A | Add +1.1% | 2.30% | +0.10 |
| SAM Boston Beer Company Inc. Class A | Add +13.1% | 1.31% | +0.10 |
| VRN Veren Inc. | Add +19.5% | 1.00% | +0.09 |
| PCRX Pacira Biosciences Inc. | Add +8.7% | 3.84% | +0.05 |
| ICUI Icu Medical Inc. | Add +2.2% | 0.63% | +0.04 |
| LTH Life Time Group Holdings Inc. | Add +48.7% | 0.09% | +0.04 |
| RVLV Revolve Group Inc. Class A | New | 0.03% | +0.03 |
| SBUX Starbucks Corp. | Add +47.1% | 0.17% | +0.03 |
| GDRX Goodrx Holdings Inc. Class A | Add +20.6% | 0.11% | +0.02 |
| KYTX Kyverna Therapeutics Inc. | New | 0.02% | +0.02 |
| LUXE Luxexperience BV | New | 0.01% | +0.01 |
| GOOGL Alphabet Inc. Class A | Add +0.1% | 0.11% | +0.01 |
| CVLT Commvault Systems Inc. | Add +0.2% | 0.10% | +0.01 |
| CGNX Cognex Corp. | Add +0.6% | 0.05% | +0.00 |
| MSFT Microsoft Corp. | Add +0.5% | 0.10% | +0.00 |
| RAMP Liveramp Holdings Inc. | Add +13.7% | 0.05% | −0.00 |
| TECH Bio-Techne Corp. | Add +1.2% | 0.11% | −0.00 |
| ETSY Etsy Inc. | Add +17.1% | 0.05% | −0.00 |
| APPS Digital Turbine Inc. | Add +40.5% | 0.02% | −0.00 |
| RBLX Roblox Corp. Class A | Add +0.2% | 0.05% | −0.00 |
| MXCT Maxcyte Inc. | Add +0.3% | 0.05% | −0.01 |
| RNG Ringcentral Inc. Class A | Add +10.3% | 0.05% | −0.01 |
| KLTR Kaltura Inc. | Add +16.2% | 0.52% | −0.01 |
| VIAV Viavi Solutions Inc. | Add +1.2% | 0.03% | −0.01 |
| DHX Dhi Group Inc. | Add +0.8% | 0.04% | −0.01 |
| PYPL PayPal Holdings Inc. | Add +0.5% | 0.07% | −0.01 |
| SHOP Shopify Inc. Class A | Add +3.5% | 0.11% | −0.02 |
| RNTX Rein Therapeutics Inc. | Add +0.1% | 0.02% | −0.04 |
| BLZE Backblaze Inc. Class A | Add +0.8% | 0.08% | −0.06 |
| PTEN Patterson-Uti Energy Inc. | Add +0.3% | 0.37% | −0.08 |
| PRLB Proto Labs Inc. | Add +0.4% | 0.65% | −0.14 |
| IONQ Ionq Inc. | Add +0.6% | 0.38% | −0.19 |
| LAB Standard Biotools Inc. | Add +5.1% | 0.36% | −0.19 |
| EQIX Equinix Inc. | Add +0.8% | 2.27% | −0.31 |
| FRSH Freshworks Inc. Class A | Add +24.1% | 2.10% | −0.45 |
| BL Blackline Inc. | Add +11.8% | 2.03% | −0.51 |
| KMX Carmax Inc. | Add +1.4% | 2.62% | −0.61 |
| FIVN FIVE9 Inc. | Add +12.0% | 2.52% | −0.81 |
Notes & Other Activity Q1 2024 → Q2 2024
| SOMALOGIC INC | *W EXP 08/31/202 | Sold out | 140,135 | $1Kbefore exit |
Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 83 | $518.8M | CDNA, WGS, ENSG, AMRC, GNRC |
| Q1 2026 | 85 | $433.2M | ENSG, CDNA, AMRC, WGS, EPD |
| Q4 2025 | 86 | $487.0M | CDNA, WGS, AL, ENSG, AMRC |
| Q3 2025 | 86 | $498.5M | AL, ENSG, WGS, AMRC, CDNA |
| Q2 2025 | 87 | $492.4M | AL, ENSG, CDNA, ISRG, WGS |
| Q1 2025 | 98 | $454.5M | AL, ENSG, ISRG, CDNA, WGS |
| Q4 2024 | 91 | $496.3M | AL, ISRG, CDNA, ENSG, WGS |
| Q3 2024 | 102 | $504.4M | CDNA, ENSG, AL, ISRG, WGS |
| Q2 2024 | 97 | $444.0M | AL, CDNA, ENSG, ISRG, PCRX |
| Q1 2024 | 97 | $422.5M | AL, ENSG, CDNA, ISRG, PCRX |