Emerald Advisers, LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 4, 2026), Emerald Advisers, LLC reported 248 stock positions worth $3.2 billion. Its top holding was Modine Manufacturing (MOD) at 2.6% of the portfolio, followed by Guardant Health (GH, 2.5%) and Bloom Energy Class A (BE, 2.3%). Compared with Q4 2025, it opened 18 new positions, sold out of 16, added to 56 and reduced 87. The biggest buy was a new position in Plexus (PLXS) and the biggest sale Lumentum (LITE, shares −98%).
- Most Recent 13F
- Q2 2026
- Location
- LEOLA, PA
- CIK
- 0001015083
- Portfolio Value
- $3.2B (Q1 2026)
- SEC Filing
- 0001104659-26-054901 ↗ filed May 4, 2026
Holdings Value
Holdings 248 stocks · $3.2B
| MOD Modine Manufacturing Co. | 2.59% | 378,118 | $81.9M | Reduce -3.0% |
| GH Guardant Health Inc. | 2.46% | 841,917 | $77.8M | Reduce -2.3% |
| BE Bloom Energy Corp. Class A | 2.32% | 541,787 | $73.4M | Reduce -3.1% |
| TTMI TTM Technologies | 2.31% | 750,417 | $73.1M | Reduce -18.0% |
| COGT Cogent Biosciences Inc. | 1.93% | 1,588,132 | $61.1M | Add +0.3% |
| KTOS Kratos Defense & Security | 1.87% | 835,929 | $58.9M | Reduce -4.5% |
| VSEC Vse Corp. | 1.84% | 314,789 | $58.0M | Add +12.6% |
| FN Fabrinet | 1.77% | 107,493 | $56.1M | Reduce -1.6% |
| AGX Argan Inc. | 1.64% | 95,272 | $51.9M | Reduce -2.9% |
| AIR Aar Corp. | 1.54% | 445,693 | $48.8M | Add +6.3% |
| CRDO Credo Technology Group Holdi | 1.48% | 498,574 | $46.8M | Add +0.5% |
| TVTX Travere Therapeutics Inc. | 1.46% | 1,557,196 | $46.3M | Reduce -2.3% |
| ESE Esco Technologies Inc. | 1.45% | 162,653 | $45.8M | Reduce -2.4% |
| MRCY Mercury Systems Inc. | 1.37% | 595,314 | $43.4M | Add +12.1% |
| LIVN Livanova PLC | 1.35% | 670,207 | $42.6M | Reduce -4.4% |
| LASR Nlight Inc. | 1.35% | 746,674 | $42.6M | Reduce -4.5% |
| RMBS Rambus Inc. | 1.34% | 493,236 | $42.4M | Reduce -21.3% |
| AX Axos Financial Inc. | 1.34% | 496,232 | $42.2M | Reduce -4.8% |
| EYE National Vision Holdings Inc. | 1.23% | 1,502,644 | $38.9M | Reduce -4.0% |
| BBIO Bridgebio Pharma Inc. | 1.21% | 515,361 | $38.3M | Reduce -3.8% |
| KLIC Kulicke & Soffa Industries | 1.18% | 568,996 | $37.4M | Add +5.5% |
| AAOI Applied Optoelectronics Inc. | 1.16% | 433,882 | $36.7M | Reduce -35.3% |
| MIRM Mirum Pharmaceuticals Inc. | 1.16% | 397,263 | $36.7M | Add +8.2% |
| PLMR Palomar Holdings Inc. | 1.13% | 298,359 | $35.7M | Reduce -1.2% |
| SMTC Semtech Corp. | 1.11% | 457,018 | $35.1M | Reduce -2.9% |
| IPGP Ipg Photonics Corp. | 1.11% | 304,916 | $34.9M | Add +49.4% |
| RSI Rush Street Interactive Inc. | 1.08% | 1,573,500 | $34.2M | Reduce -2.0% |
| TMDX Transmedics Group Inc. | 1.08% | 342,791 | $34.1M | Reduce -2.4% |
| PLXS Plexus Corp. | 1.07% | 166,532 | $33.7M | New |
| SEI Solaris Energy Infrastructur | 1.06% | 594,687 | $33.6M | Reduce -5.1% |
| AVAV Aerovironment Inc. | 1.04% | 179,874 | $32.9M | Reduce -15.0% |
| STRL Sterling Infrastructure Inc. | 1.03% | 79,836 | $32.5M | Reduce -2.7% |
| IMAX Imax Corp. | 1.02% | 849,148 | $32.3M | Reduce -0.6% |
| OLLI Ollie's Bargain Outlet Holdi | 1.01% | 347,125 | $31.9M | Add +16.3% |
| IDCC Interdigital Inc. | 0.99% | 104,065 | $31.4M | Add +86.3% |
| MC Moelis & Co. Class A | 0.99% | 548,077 | $31.2M | Reduce -11.0% |
| CECO Ceco Environmental Corp. | 0.99% | 523,017 | $31.2M | Add +14.1% |
| SYRE Spyre Therapeutics Inc. | 0.98% | 613,365 | $30.9M | Reduce -3.6% |
| BOOT Boot Barn Holdings Inc. | 0.97% | 208,425 | $30.5M | Add +14.7% |
| UMBF Umb Financial Corp. | 0.95% | 267,438 | $30.2M | Reduce -2.9% |
| ATRO Astronics Corp. | 0.95% | 449,126 | $30.0M | Add +85.0% |
| SPXC SPX Technologies Inc. | 0.93% | 147,250 | $29.4M | Reduce -3.6% |
| ARLO Arlo Technologies Inc. | 0.91% | 2,018,929 | $28.7M | Reduce -2.0% |
| NKTR Nektar Therapeutics | 0.90% | 394,604 | $28.4M | Add +2.7% |
| FRPT Freshpet Inc. | 0.90% | 480,703 | $28.3M | Add +15.2% |
| PDFS PDF Solutions Inc. | 0.89% | 860,819 | $28.2M | Reduce -8.8% |
| PIPR Piper Sandler Cos | 0.87% | 360,578 | $27.6M | Add +9.4% |
| SKWD Skyward Specialty Insurance | 0.87% | 627,908 | $27.4M | Reduce -4.5% |
| ALGT Allegiant Travel Co. | 0.87% | 338,033 | $27.4M | Reduce -3.4% |
| TBBK The Bancorp Inc. | 0.84% | 491,340 | $26.4M | Reduce -17.4% |
| ATI Ati Inc. | 0.84% | 181,485 | $26.4M | Reduce -41.0% |
| EVLV Evolv Technologies Holdings | 0.83% | 4,333,055 | $26.2M | Add +3.9% |
| MIR Mirion Technologies Inc. | 0.81% | 1,381,574 | $25.7M | Add +21.5% |
| AMSC American Superconductor Corp. | 0.81% | 757,404 | $25.6M | Reduce -0.0% |
| KALV Kalvista Pharmaceuticals Inc. | 0.81% | 1,264,023 | $25.4M | Reduce -5.7% |
| CRS Carpenter Technology | 0.77% | 62,100 | $24.5M | Reduce -32.8% |
| ONTO Onto Innovation Inc. | 0.77% | 118,423 | $24.3M | Reduce -3.4% |
| COHU Cohu Inc. | 0.76% | 780,099 | $23.9M | New |
| CUBI Customers Bancorp Inc. | 0.75% | 343,209 | $23.8M | Add +3.9% |
| SYNA Synaptics Inc. | 0.73% | 329,916 | $23.1M | Reduce -2.7% |
| AGYS Agilysys Inc. | 0.73% | 323,511 | $23.0M | Reduce -1.5% |
| CDNL Cardinal Infrastructure GR-A | 0.73% | 578,600 | $22.9M | Add +12.7% |
| SITM Sitime Corp. | 0.72% | 65,762 | $22.7M | Reduce -25.6% |
| TTI Tetra Technologies Inc. | 0.72% | 2,661,527 | $22.7M | Reduce -6.8% |
| TRVI Trevi Therapeutics Inc. | 0.69% | 1,839,566 | $21.9M | Reduce -2.8% |
| RDNT Radnet Inc. | 0.68% | 381,764 | $21.3M | Reduce -3.3% |
| OSW Onespaworld Holdings Ltd. | 0.64% | 884,878 | $20.3M | Reduce -3.1% |
| PVLA Palvella Therapeutics Inc. | 0.64% | 161,500 | $20.1M | New |
| MDGL Madrigal Pharmaceuticals Inc. | 0.62% | 37,654 | $19.7M | Reduce -3.2% |
| ATEC Alphatec Holdings Inc. | 0.62% | 1,807,307 | $19.7M | Add +10.3% |
| COMP Compass Inc. Class A | 0.61% | 2,658,466 | $19.4M | Add +52.8% |
| FIVE Five Below | 0.60% | 83,351 | $19.0M | Reduce -2.6% |
| BLLN Billiontoone Inc. Class A | 0.60% | 239,562 | $18.9M | Add +26.8% |
| VRNS Varonis Systems Inc. | 0.59% | 869,021 | $18.7M | Reduce -4.3% |
| PI Impinj Inc. | 0.59% | 181,615 | $18.7M | Add +14.4% |
| BJRI Bj's Restaurants Inc. | 0.59% | 530,999 | $18.6M | Reduce -3.7% |
| PWP Perella Weinberg Partners | 0.59% | 1,019,869 | $18.5M | Add +3.1% |
| SVRA Savara Inc. | 0.58% | 3,371,285 | $18.4M | Reduce -3.5% |
| AXSM Axsome Therapeutics Inc. | 0.58% | 107,610 | $18.2M | Reduce -0.4% |
| LTH Life Time Group Holdings Inc. | 0.56% | 656,508 | $17.7M | Reduce -3.9% |
| CCB Coastal Financial Corp. | 0.53% | 221,182 | $16.8M | Add +44.8% |
| BOBS Bob's Discount Furniture | 0.50% | 1,345,050 | $15.8M | New |
| CVLT Commvault Systems Inc. | 0.49% | 197,141 | $15.4M | Add +14.7% |
| SBCF Seacoast Banking Corp. | 0.48% | 504,363 | $15.3M | Add +163.2% |
| QTWO Q2 Holdings Inc. filed as Q2 HLDGS INC | 0.48% | 320,580 | $15.2M | Reduce -24.0% |
| TREE Lendingtree Inc. | 0.46% | 339,669 | $14.6M | Reduce -6.2% |
| FA First Advantage Corp. | 0.43% | 1,147,865 | $13.5M | Reduce -12.4% |
| COLL Collegium Pharmaceutical Inc. | 0.42% | 402,752 | $13.3M | Reduce -36.0% |
| HAPN Happen Inc. | 0.42% | 927,596 | $13.3M | Add +19.2% |
| CYTK Cytokinetics Inc. | 0.41% | 198,811 | $13.1M | New |
| IONQ Ionq Inc. | 0.41% | 447,729 | $12.9M | Reduce -1.1% |
| ARHS Arhaus Inc. | 0.39% | 1,836,724 | $12.5M | Reduce -0.5% |
| DIOD Diodes Inc. | 0.39% | 181,053 | $12.4M | New |
| TRIN Trinity Capital Inc. | 0.36% | 766,190 | $11.3M | Reduce -5.4% |
| AVAH Aveanna Healthcare Holdings | 0.34% | 1,690,457 | $10.9M | Reduce -3.3% |
| HNGE Hinge Health Inc. Class A | 0.34% | 278,890 | $10.8M | New |
| EVER Everquote Inc. Class A | 0.34% | 691,266 | $10.7M | Reduce -4.1% |
| EE Excelerate Energy Inc. Class A | 0.33% | 315,665 | $10.5M | Reduce -0.7% |
| VC Visteon Corp. | 0.32% | 110,502 | $10.1M | Reduce -5.4% |
| CRVS Corvus Pharmaceuticals Inc. | 0.32% | 686,216 | $10.0M | New |
Portfolio Sells Q4 2025 → Q1 2026
| LITE Lumentum Holdings Inc. | Reduce -98.0% | 0.07% | −1.61 |
| VITL Vital Farms Inc. | Sold out | 0.00% | −1.14 |
| WVE Wave Life Sciences Ltd. | Reduce -48.6% | 0.29% | −1.00 |
| ACAD Acadia Pharmaceuticals Inc. | Reduce -96.5% | 0.02% | −0.65 |
| MMSI Merit Medical Systems Inc. | Sold out | 0.00% | −0.62 |
| AVAV Aerovironment Inc. | Reduce -15.0% | 1.04% | −0.53 |
| FOUR SHIFT4 Payments Inc. Class A | Reduce -91.4% | 0.03% | −0.51 |
| SKYT Skywater Technology Inc. | Reduce -78.3% | 0.25% | −0.49 |
| COLL Collegium Pharmaceutical Inc. | Reduce -36.0% | 0.42% | −0.48 |
| AGYS Agilysys Inc. | Reduce -1.5% | 0.73% | −0.47 |
| QTWO Q2 Holdings Inc. | Reduce -24.0% | 0.48% | −0.46 |
| RMBS Rambus Inc. | Reduce -21.3% | 1.34% | −0.43 |
| TVTX Travere Therapeutics Inc. | Reduce -2.3% | 1.46% | −0.41 |
| TBBK The Bancorp Inc. | Reduce -17.4% | 0.84% | −0.40 |
| VRNS Varonis Systems Inc. | Reduce -4.3% | 0.59% | −0.33 |
| MC Moelis & Co. Class A | Reduce -11.0% | 0.99% | −0.32 |
| SLNO Soleno Therapeutics Inc. | Reduce -33.6% | 0.29% | −0.30 |
| LMRI Lumexa Imaging Holdings Inc. | Reduce -1.0% | 0.25% | −0.28 |
| TENB Tenable Holdings Inc. | Reduce -95.6% | 0.01% | −0.27 |
| HIMS Hims & Hers Health Inc. | Sold out | 0.00% | −0.27 |
| EVER Everquote Inc. Class A | Reduce -4.1% | 0.34% | −0.26 |
| ATI Ati Inc. | Reduce -41.0% | 0.84% | −0.25 |
| GH Guardant Health Inc. | Reduce -2.3% | 2.46% | −0.25 |
| ARHS Arhaus Inc. | Reduce -0.5% | 0.39% | −0.24 |
| SITM Sitime Corp. | Reduce -25.6% | 0.72% | −0.24 |
| TMDX Transmedics Group Inc. | Reduce -2.4% | 1.08% | −0.24 |
| IONQ Ionq Inc. | Reduce -1.1% | 0.41% | −0.22 |
| RDNT Radnet Inc. | Reduce -3.3% | 0.68% | −0.19 |
| QBTS D-Wave Quantum Inc. | Reduce -0.5% | 0.25% | −0.19 |
| KTOS Kratos Defense & Security | Reduce -4.5% | 1.87% | −0.18 |
| SKWD Skyward Specialty Insurance | Reduce -4.5% | 0.87% | −0.17 |
| FA First Advantage Corp. | Reduce -12.4% | 0.43% | −0.16 |
| RARE Ultragenyx Pharmaceutical Inc. | Sold out | 0.00% | −0.15 |
| FWRG First Watch Restaurant Group | Reduce -3.2% | 0.31% | −0.14 |
| TREE Lendingtree Inc. | Reduce -6.2% | 0.46% | −0.13 |
| PLMR Palomar Holdings Inc. | Reduce -1.2% | 1.13% | −0.13 |
| CRS Carpenter Technology | Reduce -32.8% | 0.77% | −0.12 |
| UTZ Utz Brands Inc. | Sold out | 0.00% | −0.12 |
| TTI Tetra Technologies Inc. | Reduce -6.8% | 0.72% | −0.11 |
| ASIC Ategrity Specialty Holdings | Reduce -98.2% | 0.00% | −0.11 |
| AVAH Aveanna Healthcare Holdings | Reduce -3.3% | 0.34% | −0.10 |
| NP Neptune Insurance Holdi Class A | Reduce -92.4% | 0.01% | −0.10 |
| BJRI Bj's Restaurants Inc. | Reduce -3.7% | 0.59% | −0.08 |
| MDGL Madrigal Pharmaceuticals Inc. | Reduce -3.2% | 0.62% | −0.07 |
| SVRA Savara Inc. | Reduce -3.5% | 0.58% | −0.07 |
| ALGT Allegiant Travel Co. | Reduce -3.4% | 0.87% | −0.05 |
| BBIO Bridgebio Pharma Inc. | Reduce -3.8% | 1.21% | −0.05 |
| AX Axos Financial Inc. | Reduce -4.8% | 1.34% | −0.05 |
| SYNA Synaptics Inc. | Reduce -2.7% | 0.73% | −0.04 |
| TRVI Trevi Therapeutics Inc. | Reduce -2.8% | 0.69% | −0.04 |
Portfolio Buys Q4 2025 → Q1 2026
| PLXS Plexus Corp. | New | 1.07% | +1.07 |
| COHU Cohu Inc. | New | 0.76% | +0.76 |
| IPGP Ipg Photonics Corp. | Add +49.4% | 1.11% | +0.66 |
| PVLA Palvella Therapeutics Inc. | New | 0.64% | +0.64 |
| ATRO Astronics Corp. | Add +85.0% | 0.95% | +0.54 |
| BOBS Bob's Discount Furniture | New | 0.50% | +0.50 |
| AIR Aar Corp. | Add +6.3% | 1.54% | +0.47 |
| IDCC Interdigital Inc. | Add +86.3% | 0.99% | +0.45 |
| KLIC Kulicke & Soffa Industries | Add +5.5% | 1.18% | +0.43 |
| CYTK Cytokinetics Inc. | New | 0.41% | +0.41 |
| NKTR Nektar Therapeutics | Add +2.7% | 0.90% | +0.40 |
| DIOD Diodes Inc. | New | 0.39% | +0.39 |
| VSEC Vse Corp. | Add +12.6% | 1.84% | +0.35 |
| CDNL Cardinal Infrastructure GR-A | Add +12.7% | 0.73% | +0.34 |
| HNGE Hinge Health Inc. Class A | New | 0.34% | +0.34 |
| CRVS Corvus Pharmaceuticals Inc. | New | 0.32% | +0.32 |
| SBCF Seacoast Banking Corp. | Add +163.2% | 0.48% | +0.30 |
| ACLS Axcelis Technologies Inc. | New | 0.28% | +0.28 |
| MIRM Mirum Pharmaceuticals Inc. | Add +8.2% | 1.16% | +0.27 |
| MANE Veradermics Inc. | New | 0.26% | +0.26 |
| FLOC Flowco Holdings Inc. Class A | New | 0.25% | +0.25 |
| RXO Rxo Inc. | Add +434029.7% | 0.20% | +0.20 |
| COGT Cogent Biosciences Inc. | Add +0.3% | 1.93% | +0.20 |
| MTUS Metallus Inc. | New | 0.19% | +0.19 |
| POWI Power Integrations Inc. | New | 0.19% | +0.19 |
| OFRM Once Upon A Farm PBC | New | 0.18% | +0.18 |
| MRCY Mercury Systems Inc. | Add +12.1% | 1.37% | +0.18 |
| CECO Ceco Environmental Corp. | Add +14.1% | 0.99% | +0.14 |
| BLLN Billiontoone Inc. Class A | Add +26.8% | 0.60% | +0.12 |
| FRPT Freshpet Inc. | Add +15.2% | 0.90% | +0.11 |
| PWP Perella Weinberg Partners | Add +3.1% | 0.59% | +0.06 |
| COMP Compass Inc. Class A | Add +52.8% | 0.61% | +0.05 |
| BYRN Byrna Technologies Inc. | Add +165.7% | 0.13% | +0.04 |
| XPO Xpo Inc. | Add +77.4% | 0.04% | +0.02 |
| GBFH Gbank Financial Holdings Inc. | Add +223.2% | 0.02% | +0.02 |
| PNFP Pinnacle Financial Partners | New | 0.01% | +0.01 |
| SLDE Slide Insurance Holdings Inc. | Add +40.5% | 0.05% | +0.01 |
| MPB Mid Penn Bancorp Inc. | Add +44.0% | 0.03% | +0.01 |
| PIPR Piper Sandler Cos | Add +9.4% | 0.87% | +0.01 |
| CAVA Cava Group Inc. | Add +40.1% | 0.02% | +0.01 |
| CUBI Customers Bancorp Inc. | Add +3.9% | 0.75% | +0.01 |
| DDOG Datadog Inc. Class A | Add +49.8% | 0.04% | +0.01 |
| DAR Darling Ingredients Inc. | New | 0.01% | +0.01 |
| BURL Burlington Stores Inc. | Add +23.2% | 0.02% | +0.01 |
| VRSK Verisk Analytics Inc. | Add +122.9% | 0.01% | +0.01 |
| INDI Indie Semiconductor Inc. Class A | Add +65.3% | 0.02% | +0.01 |
| CAI Caris Life Sciences Inc. | New | 0.01% | +0.01 |
| LLY Eli Lilly & Co. | Add +32.8% | 0.04% | +0.01 |
| NOW ServiceNow Inc. | Add +96.5% | 0.02% | +0.01 |
| ENVA Enova International Inc. | Add +63.2% | 0.02% | +0.00 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 237 | $4.2B | TVTX, CDNL, MRCY, AIR, VSEC |
| Q1 2026 | 248 | $3.2B | MOD, GH, BE, TTMI, COGT |
| Q4 2025 | 246 | $3.2B | GH, CRDO, KTOS, TTMI, TVTX |
| Q3 2025 | 256 | $3.1B | KTOS, CRDO, AVAV, RMBS, LITE |
| Q2 2025 | 248 | $2.7B | CRDO, AVAV, KTOS, TMDX, TTMI |
| Q1 2025 | 243 | $2.2B | FTAI, PLMR, CRDO, INSM, KTOS |
| Q4 2024 | 254 | $2.6B | CRDO, FTAI, FRPT, QTWO, GTLS |
| Q3 2024 | 248 | $2.6B | FTAI, FRPT, CRS, VRNS, INSM |
| Q2 2024 | 247 | $2.4B | FTAI, FRPT, CRS, TMDX, CRDO |
| Q1 2024 | 243 | $2.5B | SMCI, FRPT, FTAI, VRNS, CRS |