Holdings of Needham Aggressive Growth Fund
Needham Funds Inc ·108 declared positions · as of Mar 31, 2026
Original filing · Net assets 1.6B $ · Ten largest lines: 36.9 % of the equity sleeve
Sector breakdown
- Industrials 5.6 %
- Technology 2.0 %
- Real estate 0.7 %
- Materials 0.3 %
- Unattributed 91.3 %
Titelia classification, company by company. The unattributed share stays visible.
Currency breakdown
- USD 93.7 %
- CAD 3.6 %
- AUD 1.9 %
- ILS 0.4 %
- GBP 0.3 %
The quoted currency of each line, as declared.
Country breakdown
- US 89.0 %
- CA 3.3 %
- IL 2.8 %
- AU 1.9 %
- GG 1.2 %
- IE 0.9 %
- GB 0.6 %
- NL 0.3 %
Shares computed on the equity sleeve.
| Rank | Country | Lines | Value | Share |
|---|---|---|---|---|
| 1 | US | 91 | 1.3B $ | 89.01 % |
| 2 | CA | 6 | 48.9M $ | 3.33 % |
| 3 | IL | 3 | 41.6M $ | 2.84 % |
| 4 | AU | 3 | 27.6M $ | 1.88 % |
| 5 | GG | 1 | 17.1M $ | 1.16 % |
| 6 | IE | 1 | 12.7M $ | 0.87 % |
| 7 | GB | 2 | 9M $ | 0.61 % |
| 8 | NL | 1 | 4.3M $ | 0.29 % |
Positions
| Rank | Company | Shares | Value | Weight |
|---|---|---|---|---|
| 1 | nLight Inc | 1,666,167 | 95M $ | 6.04 % |
| 2 | Vicor Corp | 475,000 | 76.5M $ | 4.86 % |
| 3 | Vertiv Holdings Co | 260,750 | 65.3M $ | 4.15 % |
| 4 | PDF Solutions Inc | 1,587,500 | 51.9M $ | 3.30 % |
| 5 | Lincoln Educational Services Corp | 1,275,000 | 51.9M $ | 3.30 % |
| 6 | Arteris Inc | 3,100,000 | 51M $ | 3.24 % |
| 7 | Oil-Dri Corp of America | 675,000 | 43.9M $ | 2.79 % |
| 8 | Universal Technical Institute Inc | 1,021,500 | 36.9M $ | 2.34 % |
| 9 | Vishay Intertechnology Inc | 2,039,482 | 36.7M $ | 2.33 % |
| 10 | Thermon Group Holdings Inc | 630,000 | 31.8M $ | 2.02 % |
| 11 | FormFactor Inc | 321,500 | 31.2M $ | 1.98 % |
| 12 | ThredUp Inc | 9,275,000 | 30.4M $ | 1.93 % |
| 13 | Hammond Power Solutions Inc | 234,000 | 29.5M $ | 1.87 % |
| 14 | TETRA Technologies Inc | 3,325,000 | 28.3M $ | 1.80 % |
| 15 | Nova Ltd | 59,650 | 25.9M $ | 1.65 % |
| 16 | Vishay Precision Group Inc | 580,000 | 25.2M $ | 1.60 % |
| 17 | Arlo Technologies Inc | 1,625,000 | 23.1M $ | 1.47 % |
| 18 | Super Micro Computer Inc | 1,005,000 | 22.9M $ | 1.45 % |
| 19 | Asure Software Inc | 2,605,000 | 22.4M $ | 1.42 % |
| 20 | CECO Environmental Corp | 370,000 | 22M $ | 1.40 % |
| 21 | CRA International Inc | 132,506 | 21.5M $ | 1.36 % |
| 22 | Centuri Holdings Inc | 640,000 | 18.7M $ | 1.19 % |
| 23 | Astronics Corp | 272,500 | 18.2M $ | 1.16 % |
| 24 | Akamai Technologies Inc | 152,500 | 17.5M $ | 1.11 % |
| 25 | Select Water Solutions Inc | 1,140,000 | 17.4M $ | 1.11 % |
| 26 | Huntington Ingalls Industries, Inc. | 45,000 | 17.1M $ | 1.09 % |
| 27 | Genius Sports Ltd | 3,850,000 | 17.1M $ | 1.08 % |
| 28 | Gorman-Rupp Co/The | 272,500 | 16.9M $ | 1.08 % |
| 29 | Electro Optic Systems Holdings Ltd | 3,055,000 | 16.9M $ | 1.07 % |
| 30 | Matrix Service Co | 1,435,000 | 16.5M $ | 1.05 % |
| 31 | Veeco Instruments Inc | 474,375 | 16.1M $ | 1.02 % |
| 32 | Vital Farms Inc | 1,120,000 | 15.8M $ | 1.00 % |
| 33 | Everus Construction Group Inc | 114,000 | 13.5M $ | 0.86 % |
| 34 | Ecovyst Inc | 1,020,000 | 13.1M $ | 0.83 % |
| 35 | nVent Electric PLC | 107,500 | 12.7M $ | 0.81 % |
| 36 | Clean Harbors Inc | 41,500 | 11.9M $ | 0.76 % |
| 37 | Jacobs Solutions Inc | 90,000 | 11.5M $ | 0.73 % |
| 38 | BWX Technologies Inc | 55,000 | 11.2M $ | 0.71 % |
| 39 | MKS Inc | 48,250 | 11.1M $ | 0.70 % |
| 40 | Equinix Inc | 11,150 | 10.9M $ | 0.69 % |
| 41 | MYR Group Inc | 38,600 | 10.9M $ | 0.69 % |
| 42 | Solstice Advanced Materials Inc | 142,500 | 10.9M $ | 0.69 % |
| 43 | Blackline Safety Corp | 2,100,000 | 10.7M $ | 0.68 % |
| 44 | Parsons Corp | 195,000 | 10.6M $ | 0.67 % |
| 45 | Photronics Inc | 260,000 | 10.5M $ | 0.67 % |
| 46 | Energy Services of America Corp | 800,000 | 10.5M $ | 0.67 % |
| 47 | MDU Resources Group Inc | 497,500 | 10.3M $ | 0.65 % |
| 48 | Bruker Corp | 285,000 | 10.3M $ | 0.65 % |
| 49 | Generac Holdings Inc | 50,000 | 9.8M $ | 0.62 % |
| 50 | Markel Group Inc | 5,100 | 9.8M $ | 0.62 % |
| 51 | Aspen Aerogels Inc | 2,835,000 | 9.7M $ | 0.62 % |
| 52 | Bright Horizons Family Solutions Inc | 117,500 | 9.7M $ | 0.61 % |
| 53 | Camtek Ltd/Israel | 61,500 | 9.3M $ | 0.59 % |
| 54 | Tennant Co | 140,000 | 9.3M $ | 0.59 % |
| 55 | Unisys Corp | 3,925,000 | 8.1M $ | 0.52 % |
| 56 | Modine Manufacturing Co | 34,250 | 7.4M $ | 0.47 % |
| 57 | PRECISION OPTICS INC MASS | 1,670,550 | 7.3M $ | 0.47 % |
| 58 | Smith-Midland Corp | 225,000 | 7.3M $ | 0.47 % |
| 59 | Elsight Ltd | 1,950,000 | 7.3M $ | 0.47 % |
| 60 | Research Solutions Inc/CA | 3,155,000 | 7.1M $ | 0.45 % |
| 61 | Metatek-Group Ltd | 2,000,000 | 7M $ | 0.45 % |
| 62 | Evolv Technologies Holdings Inc | 1,150,000 | 7M $ | 0.44 % |
| 63 | Life Time Group Holdings Inc | 240,000 | 6.5M $ | 0.41 % |
| 64 | Next Vision Stabilized Systems Ltd | 66,000 | 6.4M $ | 0.41 % |
| 65 | Northern Technologies International Corp | 760,000 | 6.3M $ | 0.40 % |
| 66 | Bentley Systems Inc | 170,000 | 6M $ | 0.38 % |
| 67 | Teradyne Inc | 20,000 | 5.9M $ | 0.38 % |
| 68 | 908 Devices Inc | 925,000 | 5.7M $ | 0.36 % |
| 69 | Cognex Corp | 108,000 | 5.3M $ | 0.34 % |
| 70 | LightPath Technologies Inc | 525,000 | 5.3M $ | 0.33 % |
| 71 | CRH PLC | 47,500 | 5M $ | 0.32 % |
| 72 | Unusual Machines Inc /US | 400,000 | 5M $ | 0.32 % |
| 73 | MasTec Inc | 15,150 | 4.9M $ | 0.31 % |
| 74 | Atlanta Braves Holdings Inc | 110,000 | 4.7M $ | 0.30 % |
| 75 | Entegris Inc | 40,000 | 4.7M $ | 0.30 % |
| 76 | Box Inc | 195,000 | 4.6M $ | 0.29 % |
| 77 | Red Cat Holdings Inc | 350,000 | 4.6M $ | 0.29 % |
| 78 | Core Molding Technologies Inc | 204,021 | 4.6M $ | 0.29 % |
| 79 | Ambiq Micro Inc | 175,000 | 4.4M $ | 0.28 % |
| 80 | Transcat Inc | 60,500 | 4.4M $ | 0.28 % |
| 81 | LeMaitre Vascular Inc | 40,000 | 4.4M $ | 0.28 % |
| 82 | ASML Holding NV | 3,250 | 4.3M $ | 0.27 % |
| 83 | Legence Corp | 67,500 | 3.8M $ | 0.24 % |
| 84 | Thinkific Labs Inc | 3,600,000 | 3.7M $ | 0.23 % |
| 85 | Apple Inc | 13,700 | 3.5M $ | 0.22 % |
| 86 | Comtech Telecommunications Corp | 1,019,500 | 3.4M $ | 0.22 % |
| 87 | DroneShield Ltd | 1,275,000 | 3.4M $ | 0.21 % |
| 88 | Labcorp Holdings Inc | 12,300 | 3.3M $ | 0.21 % |
| 89 | ADTRAN Holdings Inc | 252,375 | 3.2M $ | 0.20 % |
| 90 | SiTime Corp | 9,000 | 3.1M $ | 0.20 % |
| 91 | Somero Enterprises Inc | 1,250,000 | 3.1M $ | 0.20 % |
| 92 | WaterBridge Infrastructure LLC | 110,000 | 2.9M $ | 0.19 % |
| 93 | Alpha Pro Tech Ltd | 642,500 | 2.9M $ | 0.18 % |
| 94 | CarMax Inc | 67,500 | 2.8M $ | 0.18 % |
| 95 | KVH Industries Inc | 300,000 | 2.7M $ | 0.17 % |
| 96 | Figure Technology Solutions Inc | 70,000 | 2.4M $ | 0.15 % |
| 97 | Keller Group PLC | 75,000 | 1.9M $ | 0.12 % |
| 98 | Computer Modelling Group Ltd | 600,000 | 1.8M $ | 0.12 % |
| 99 | Firefly Aerospace Inc | 60,000 | 1.7M $ | 0.11 % |
| 100 | Educational Development Corp | 800,000 | 1M $ | 0.06 % |