Gagnon Securities LLC
In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 12, 2024), Gagnon Securities LLC reported 102 stock positions worth $504.4 million. Its top holding was Caredx (CDNA) at 8.9% of the portfolio, followed by Ensign (ENSG, 6.7%) and Sumisho Air Lease (AL, 6.6%). Compared with Q2 2024, it opened 11 new positions, sold out of 6, added to 40 and reduced 49. The biggest buy was Treace Medical Concepts (TMCI, shares +266%) and the biggest sale Pacira Biosciences (PCRX, shares −49%).
- Most Recent 13F
- Q2 2026
- Location
- New York, NY
- CIK
- 0001125725
- Portfolio Value
- $504.4M (Q3 2024)
- SEC Filing
- 0001019056-24-000316 ↗ filed Nov 12, 2024
Holdings Value
Holdings 102 stocks · $504.4M
| CDNA Caredx Inc. | 8.90% | 1,437,722 | $44.9M | Reduce -33.9% |
| ENSG The Ensign Group Inc. | 6.70% | 234,831 | $33.8M | Reduce -0.1% |
| AL Sumisho Air Lease Corp. filed as AIR LEASE CORP | 6.59% | 733,644 | $33.2M | Reduce -0.5% |
| ISRG Intuitive Surgical Inc. | 6.05% | 62,070 | $30.5M | Add +22.5% |
| WGS Genedx Holdings Corp. | 4.56% | 541,943 | $23.0M | Reduce -5.4% |
| PSIX Power Solutions Internationa | 4.15% | 1,019,627 | $21.0M | Reduce -20.5% |
| AMRC Ameresco Inc. Class A | 3.51% | 466,341 | $17.7M | Add +29.8% |
| EXAS Exact Sciences Corp. | 3.15% | 233,583 | $15.9M | Reduce -5.2% |
| EPD Enterprise Products Partners | 2.89% | 501,262 | $14.6M | Add +1.0% |
| BLFS Biolife Solutions Inc. | 2.83% | 569,378 | $14.3M | Reduce -1.4% |
| SCWX Secureworks Corp. Class A | 2.62% | 1,493,859 | $13.2M | Reduce -0.0% |
| NVGS Navigator Holdings Ltd. | 2.53% | 794,642 | $12.8M | Reduce -2.0% |
| CARG Cargurus Inc. | 2.47% | 415,262 | $12.5M | Reduce -1.0% |
| KMX Carmax Inc. | 2.44% | 158,826 | $12.3M | Add +0.2% |
| PROF Profound Medical Corp. | 2.32% | 1,467,247 | $11.7M | Reduce -2.7% |
| EQIX Equinix Inc. | 2.27% | 12,871 | $11.4M | Reduce -3.4% |
| FRSH Freshworks Inc. Class A | 2.09% | 920,245 | $10.6M | Add +25.1% |
| TMCI Treace Medical Concepts Inc. | 2.04% | 1,770,163 | $10.3M | Add +266.1% |
| BL Blackline Inc. | 2.02% | 184,986 | $10.2M | Reduce -0.3% |
| FIVN FIVE9 Inc. | 1.89% | 331,499 | $9.5M | Add +30.8% |
| ZUO Zuora Inc. Class A | 1.79% | 1,050,133 | $9.1M | Add +1.9% |
| CAKE The Cheesecake Factory Inc. | 1.76% | 218,801 | $8.9M | Add +0.2% |
| GNRC Generac Holdings Inc. | 1.72% | 54,756 | $8.7M | Add +44.3% |
| CMG Chipotle Mexican Grill Inc. | 1.70% | 148,742 | $8.6M | Reduce -1.5% |
| AOSL Alpha & Omega Semiconductor | 1.58% | 214,951 | $8.0M | Reduce -31.1% |
| ETWO E2OPEN Parent Holdings Inc. | 1.39% | 1,586,468 | $7.0M | Reduce -0.5% |
| VERX Vertex Inc. Class A | 1.35% | 177,112 | $6.8M | Reduce -0.5% |
| SAM Boston Beer Company Inc. Class A | 1.29% | 22,455 | $6.5M | Add +17.5% |
| PNTG The Pennant Group Inc. | 1.15% | 162,809 | $5.8M | Reduce -10.1% |
| ICUI Icu Medical Inc. | 1.04% | 28,744 | $5.2M | Add +21.6% |
| CTRE Caretrust REIT Inc. | 0.97% | 158,611 | $4.9M | Reduce 0.0% |
| VRN Veren Inc. | 0.92% | 753,521 | $4.6M | Add +33.6% |
| PCRX Pacira Biosciences Inc. | 0.92% | 306,943 | $4.6M | Reduce -48.5% |
| DV Doubleverify Holdings Inc. | 0.66% | 196,156 | $3.3M | Reduce -0.2% |
| AKAM Akamai Technologies Inc. | 0.59% | 29,309 | $3.0M | Reduce -0.8% |
| QDEL Quidelortho Corp. | 0.57% | 62,629 | $2.9M | Reduce -64.2% |
| PRLB Proto Labs Inc. | 0.54% | 93,303 | $2.7M | Add +0.4% |
| KLTR Kaltura Inc. | 0.52% | 1,911,047 | $2.6M | Reduce -0.3% |
| NVDA Nvidia Corp. | 0.50% | 20,560 | $2.5M | Add +572.3% |
| TPR Tapestry Inc. | 0.47% | 50,783 | $2.4M | Add +0.3% |
| SLG SL Green Realty Corp. | 0.44% | 31,854 | $2.2M | Reduce -1.3% |
| IONQ Ionq Inc. | 0.42% | 242,359 | $2.1M | Reduce -0.2% |
| CNF Cnfinance Hldgs Ltd. | 0.40% | 1,611,278 | $2.0M | Add +6.0% |
| GNTX Gentex Corp. | 0.34% | 58,538 | $1.7M | Reduce -0.1% |
| MCHP Microchip Technology Inc. | 0.31% | 19,435 | $1.6M | Reduce -0.1% |
| PTEN Patterson-Uti Energy Inc. | 0.24% | 159,685 | $1.2M | Reduce -0.1% |
| FLG Flagstar Bank NA filed as NEW YORK CMNTY BANCORP INC | 0.23% | 102,250 | $1.1M | Add +3.1% |
| MRVL Marvell Technology Inc. | 0.22% | 15,730 | $1.1M | Reduce -1.9% |
| PFE Pfizer Inc. | 0.21% | 37,242 | $1.1M | Reduce -1.0% |
| NTDOY Nintendo Co. Ltd.-Unspons ADR | 0.20% | 76,860 | $1.0M | Add +0.1% |
| T AT&T Inc. | 0.19% | 43,296 | $953K | Reduce -1.5% |
| GNL Global Net Lease Inc. | 0.18% | 110,325 | $929K | Reduce -1.1% |
| XOM Exxon Mobil Corp. | 0.18% | 7,576 | $888K | Reduce -1.2% |
| DVN Devon Energy Corp. | 0.17% | 21,759 | $851K | Reduce -10.4% |
| SBUX Starbucks Corp. | 0.17% | 8,633 | $842K | Reduce -8.9% |
| CELC Celcuity Inc. | 0.16% | 52,793 | $787K | Reduce -0.8% |
| TECH Bio-Techne Corp. | 0.12% | 7,369 | $589K | Add +3.6% |
| SHOP Shopify Inc. Class A | 0.12% | 7,334 | $588K | Add +0.3% |
| META Meta Platforms Inc. Class A | 0.11% | 984 | $563K | No change |
| DRRX Durect Corporation | 0.10% | 393,862 | $528K | Add +5.3% |
| INTC Intel Corp. | 0.10% | 21,514 | $505K | New |
| PYPL PayPal Holdings Inc. | 0.10% | 6,453 | $504K | Add +23.7% |
| MRK Merck & Co. Inc. | 0.10% | 4,309 | $489K | Reduce -3.9% |
| LTH Life Time Group Holdings Inc. | 0.09% | 19,261 | $470K | Reduce -4.2% |
| GDRX Goodrx Holdings Inc. Class A | 0.09% | 63,601 | $441K | Add +0.4% |
| CVLT Commvault Systems Inc. | 0.09% | 2,854 | $439K | Reduce -22.6% |
| GOOGL Alphabet Inc. Class A | 0.09% | 2,610 | $433K | Add +0.1% |
| BX Blackstone Inc. | 0.07% | 2,359 | $361K | Add +1.2% |
| BLZE Backblaze Inc. Class A | 0.07% | 55,199 | $353K | Add +0.3% |
| MU Micron Technology Inc. | 0.06% | 3,141 | $326K | Add +20.1% |
| EOG EOG Resources Inc. | 0.06% | 2,597 | $319K | Reduce -4.2% |
| HIMX Himax Technologies Inc.-ADR | 0.06% | 57,146 | $314K | Reduce -2.5% |
| RBLX Roblox Corp. Class A | 0.06% | 6,488 | $287K | Add +0.3% |
| ONTO Onto Innovation Inc. | 0.06% | 1,344 | $279K | Add +0.7% |
| ETSY Etsy Inc. | 0.05% | 4,772 | $265K | Add +21.8% |
| MSFT Microsoft Corp. | 0.05% | 615 | $265K | Reduce -35.4% |
| CESDF Ces Energy Solutions Corp. | 0.05% | 47,180 | $261K | Reduce -2.9% |
| RNTX Rein Therapeutics Inc. filed as AILERON THERAPEUTICS INC | 0.05% | 71,761 | $254K | Add +89.0% |
| OCDGF Ocado Group PLC | 0.05% | 47,160 | $243K | New |
| RNG Ringcentral Inc. Class A | 0.05% | 7,296 | $231K | Add +1.0% |
| MXCT Maxcyte Inc. | 0.05% | 59,069 | $230K | Add +4.5% |
| MBLY Mobileye Global Inc. Class A | 0.04% | 16,008 | $219K | Add +121.6% |
| SHOO Steven Madden Ltd. filed as MADDEN STEVEN LTD | 0.04% | 4,378 | $214K | New |
| CGNX Cognex Corp. | 0.04% | 5,216 | $211K | Add +1.2% |
| ARC Arc Document Solutions Inc. | 0.04% | 57,663 | $195K | New |
| WBA Walgreens Boots Alliance Inc. | 0.04% | 21,361 | $191K | Reduce -1.1% |
| RAMP Liveramp Holdings Inc. | 0.04% | 7,494 | $186K | Add +1.5% |
| GAP The Gap Inc. | 0.04% | 8,283 | $183K | New |
| VIAV Viavi Solutions Inc. | 0.03% | 19,458 | $176K | Add +1.0% |
| WFC Wells Fargo & Co. | 0.03% | 3,056 | $173K | New |
| APPS Digital Turbine Inc. | 0.03% | 52,309 | $161K | No change |
| ABNB Airbnb Inc. Class A | 0.03% | 1,225 | $155K | New |
| WBD Warner Bros Discovery Inc. | 0.03% | 18,783 | $155K | Reduce -9.8% |
| YEXT Yext Inc. | 0.03% | 18,787 | $130K | Add +1.7% |
| CPRI Capri Holdings Ltd. | 0.02% | 2,940 | $125K | New |
| SYF Synchrony Financial | 0.02% | 2,444 | $122K | New |
| LAB Standard Biotools Inc. | 0.02% | 60,424 | $117K | Reduce -93.3% |
| ADM Archer-Daniels-Midland Co. | 0.02% | 1,799 | $107K | New |
| PETS Petmed Express Inc. | 0.02% | 25,988 | $96K | Reduce -2.3% |
| DHX Dhi Group Inc. | 0.02% | 45,813 | $84K | Reduce -48.9% |
| LUXE Luxexperience BV filed as MYT NETHERLANDS PARENT B V | 0.01% | 12,698 | $48K | Add +4.1% |
| LESLIES INC | 0.01% | 12,360 | $39K | New |
Portfolio Sells Q2 2024 → Q3 2024
| PCRX Pacira Biosciences Inc. | Reduce -48.5% | 0.92% | −2.93 |
| AL Sumisho Air Lease Corp. | Reduce -0.5% | 6.59% | −1.31 |
| AOSL Alpha & Omega Semiconductor | Reduce -31.1% | 1.58% | −1.04 |
| QDEL Quidelortho Corp. | Reduce -64.2% | 0.57% | −0.74 |
| NVGS Navigator Holdings Ltd. | Reduce -2.0% | 2.53% | −0.66 |
| PROF Profound Medical Corp. | Reduce -2.7% | 2.32% | −0.53 |
| CMG Chipotle Mexican Grill Inc. | Reduce -1.5% | 1.70% | −0.43 |
| LAB Standard Biotools Inc. | Reduce -93.3% | 0.02% | −0.34 |
| ETWO E2OPEN Parent Holdings Inc. | Reduce -0.5% | 1.39% | −0.23 |
| DV Doubleverify Holdings Inc. | Reduce -0.2% | 0.66% | −0.21 |
| PTEN Patterson-Uti Energy Inc. | Reduce -0.1% | 0.24% | −0.13 |
| GNTX Gentex Corp. | Reduce -0.1% | 0.34% | −0.10 |
| VERX Vertex Inc. Class A | Reduce -0.5% | 1.35% | −0.09 |
| MCHP Microchip Technology Inc. | Reduce -0.1% | 0.31% | −0.09 |
| DVN Devon Energy Corp. | Reduce -10.4% | 0.17% | −0.09 |
| SHEL Shell PLC-ADR | Sold out | 0.00% | −0.07 |
| MSFT Microsoft Corp. | Reduce -35.4% | 0.05% | −0.04 |
| HIMX Himax Technologies Inc.-ADR | Reduce -2.5% | 0.06% | −0.04 |
| CELC Celcuity Inc. | Reduce -0.8% | 0.16% | −0.04 |
| RVLV Revolve Group Inc. Class A | Sold out | 0.00% | −0.03 |
| MRK Merck & Co. Inc. | Reduce -3.9% | 0.10% | −0.03 |
| MRVL Marvell Technology Inc. | Reduce -1.9% | 0.22% | −0.03 |
| DHX Dhi Group Inc. | Reduce -48.9% | 0.02% | −0.03 |
| PFE Pfizer Inc. | Reduce -1.0% | 0.21% | −0.02 |
| XOM Exxon Mobil Corp. | Reduce -1.2% | 0.18% | −0.02 |
| WBA Walgreens Boots Alliance Inc. | Reduce -1.1% | 0.04% | −0.02 |
| KYTX Kyverna Therapeutics Inc. | Sold out | 0.00% | −0.02 |
| CVLT Commvault Systems Inc. | Reduce -22.6% | 0.09% | −0.01 |
| EOG EOG Resources Inc. | Reduce -4.2% | 0.06% | −0.01 |
| AKAM Akamai Technologies Inc. | Reduce -0.8% | 0.59% | −0.01 |
| EVVAQ Enviva LLC | Sold out | 0.00% | −0.01 |
| CESDF Ces Energy Solutions Corp. | Reduce -2.9% | 0.05% | −0.01 |
| RDHL Redhill Biopharma Ltd.-SP ADR | Sold out | 0.00% | −0.01 |
| LLFLQ LL Flooring Holdings Inc. | Sold out | 0.00% | −0.01 |
| EQIX Equinix Inc. | Reduce -3.4% | 2.27% | −0.01 |
| PETS Petmed Express Inc. | Reduce -2.3% | 0.02% | −0.01 |
| WBD Warner Bros Discovery Inc. | Reduce -9.8% | 0.03% | −0.00 |
| CARG Cargurus Inc. | Reduce -1.0% | 2.47% | −0.00 |
| KLTR Kaltura Inc. | Reduce -0.3% | 0.52% | −0.00 |
| BL Blackline Inc. | Reduce -0.3% | 2.02% | −0.00 |
| T AT&T Inc. | Reduce -1.5% | 0.19% | −0.00 |
| GNL Global Net Lease Inc. | Reduce -1.1% | 0.18% | −0.00 |
| SBUX Starbucks Corp. | Reduce -8.9% | 0.17% | +0.00 |
| LTH Life Time Group Holdings Inc. | Reduce -4.2% | 0.09% | +0.01 |
| SLG SL Green Realty Corp. | Reduce -1.3% | 0.44% | +0.03 |
| IONQ Ionq Inc. | Reduce -0.2% | 0.42% | +0.04 |
| BLFS Biolife Solutions Inc. | Reduce -1.4% | 2.83% | +0.04 |
| CTRE Caretrust REIT Inc. | Reduce 0.0% | 0.97% | +0.07 |
| ENSG The Ensign Group Inc. | Reduce -0.1% | 6.70% | +0.14 |
| PNTG The Pennant Group Inc. | Reduce -10.1% | 1.15% | +0.21 |
Portfolio Buys Q2 2024 → Q3 2024
| TMCI Treace Medical Concepts Inc. | Add +266.1% | 2.04% | +1.31 |
| AMRC Ameresco Inc. Class A | Add +29.8% | 3.51% | +1.18 |
| ISRG Intuitive Surgical Inc. | Add +22.5% | 6.05% | +0.97 |
| GNRC Generac Holdings Inc. | Add +44.3% | 1.72% | +0.60 |
| NVDA Nvidia Corp. | Add +572.3% | 0.50% | +0.41 |
| ICUI Icu Medical Inc. | Add +21.6% | 1.04% | +0.41 |
| INTC Intel Corp. | New | 0.10% | +0.10 |
| OCDGF Ocado Group PLC | New | 0.05% | +0.05 |
| SHOO Steven Madden Ltd. | New | 0.04% | +0.04 |
| ARC Arc Document Solutions Inc. | New | 0.04% | +0.04 |
| GAP The Gap Inc. | New | 0.04% | +0.04 |
| WFC Wells Fargo & Co. | New | 0.03% | +0.03 |
| PYPL PayPal Holdings Inc. | Add +23.7% | 0.10% | +0.03 |
| ABNB Airbnb Inc. Class A | New | 0.03% | +0.03 |
| RNTX Rein Therapeutics Inc. | Add +89.0% | 0.05% | +0.03 |
| CPRI Capri Holdings Ltd. | New | 0.02% | +0.02 |
| SYF Synchrony Financial | New | 0.02% | +0.02 |
| ADM Archer-Daniels-Midland Co. | New | 0.02% | +0.02 |
| FLG Flagstar Bank NA | Add +3.1% | 0.23% | +0.01 |
| LESLIES INC | New | 0.01% | +0.01 |
| SHOP Shopify Inc. Class A | Add +0.3% | 0.12% | +0.01 |
| BX Blackstone Inc. | Add +1.2% | 0.07% | +0.01 |
| VIAV Viavi Solutions Inc. | Add +1.0% | 0.03% | +0.01 |
| YEXT Yext Inc. | Add +1.7% | 0.03% | +0.00 |
| RBLX Roblox Corp. Class A | Add +0.3% | 0.06% | +0.00 |
| TECH Bio-Techne Corp. | Add +3.6% | 0.12% | +0.00 |
| ETSY Etsy Inc. | Add +21.8% | 0.05% | +0.00 |
| RNG Ringcentral Inc. Class A | Add +1.0% | 0.05% | −0.00 |
| MBLY Mobileye Global Inc. Class A | Add +121.6% | 0.04% | −0.00 |
| DRRX Durect Corporation | Add +5.3% | 0.10% | −0.00 |
| MXCT Maxcyte Inc. | Add +4.5% | 0.05% | −0.00 |
| LUXE Luxexperience BV | Add +4.1% | 0.01% | −0.00 |
| BLZE Backblaze Inc. Class A | Add +0.3% | 0.07% | −0.01 |
| FRSH Freshworks Inc. Class A | Add +25.1% | 2.09% | −0.01 |
| ONTO Onto Innovation Inc. | Add +0.7% | 0.06% | −0.01 |
| CGNX Cognex Corp. | Add +1.2% | 0.04% | −0.01 |
| MU Micron Technology Inc. | Add +20.1% | 0.06% | −0.01 |
| RAMP Liveramp Holdings Inc. | Add +1.5% | 0.04% | −0.01 |
| TPR Tapestry Inc. | Add +0.3% | 0.47% | −0.01 |
| GOOGL Alphabet Inc. Class A | Add +0.1% | 0.09% | −0.02 |
| GDRX Goodrx Holdings Inc. Class A | Add +0.4% | 0.09% | −0.02 |
| SAM Boston Beer Company Inc. Class A | Add +17.5% | 1.29% | −0.03 |
| NTDOY Nintendo Co. Ltd.-Unspons ADR | Add +0.1% | 0.20% | −0.03 |
| VRN Veren Inc. | Add +33.6% | 0.92% | −0.08 |
| PRLB Proto Labs Inc. | Add +0.4% | 0.54% | −0.10 |
| CNF Cnfinance Hldgs Ltd. | Add +6.0% | 0.40% | −0.16 |
| CAKE The Cheesecake Factory Inc. | Add +0.2% | 1.76% | −0.17 |
| KMX Carmax Inc. | Add +0.2% | 2.44% | −0.18 |
| EPD Enterprise Products Partners | Add +1.0% | 2.89% | −0.35 |
| ZUO Zuora Inc. Class A | Add +1.9% | 1.79% | −0.51 |
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 |