Funds › Needham Investment Management LLC
Needham Investment Management LLC
13F for Q2 2026, filed Aug 14, 2026. 176 positions worth $3.3B.Managers with more than $100 million in US-listed stocks list their holdings each quarter, within 45 days of quarter end. Long positions only: no short sales or cash.
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Holdings, Q2 2026
Largest first. Common shares only; puts and calls are under All positions.
| # | The fund's own figures at the end of the quarter. A report can be up to 45 days old when it is filed. Options and bonds are not counted here. | Filing | ||||
|---|---|---|---|---|---|---|
| 1 | VICR Vicor Corporation | 524,000 | $199.0M | 6.0% | +0.4% | 13F ↗ |
| 2 | AIP Arteris, Inc. | 3.93M | $190.8M | 5.7% | -0.6% | 13F ↗ |
| 3 | VSH Vishay Intertechnology, Inc. | 3.04M | $163.3M | 4.9% | +4.0% | 13F ↗ |
| 4 | PDFS PDF Solutions, Inc. | 2.06M | $146.2M | 4.4% | +2.1% | 13F ↗ |
| 5 | LASR nLIGHT, Inc. | 1.99M | $138.7M | 4.2% | +3.6% | 13F ↗ |
| 6 | VRT Vertiv Holdings Co | 285,750 | $95.7M | 2.9% | +0.2% | 13F ↗ |
| 7 | VPG Vishay Precision Group, Inc. | 599,000 | $89.8M | 2.7% | -3.4% | 13F ↗ |
| 8 | FORM FormFactor, Inc. | 547,500 | $87.6M | 2.6% | -9.3% | 13F ↗ |
| 9 | CECO CECO Environmental Corp. | 957,500 | $86.9M | 2.6% | +147% | 13F ↗ |
| 10 | ODC Oil-Dri Corporation of America | 686,000 | $70.1M | 2.1% | +1.3% | 13F ↗ |
| 11 | TDUP ThredUp Inc. | 10.18M | $69.7M | 2.1% | +9.7% | 13F ↗ |
| 12 | LINC Lincoln Educational Services Corporation | 1.32M | $66.1M | 2.0% | +3.7% | 13F ↗ |
| 13 | VECO Veeco Instruments Inc. | 845,850 | $64.1M | 1.9% | -3.9% | 13F ↗ |
| 14 | TTI Tetra Technologies, Inc. | 5.65M | $64.0M | 1.9% | +67.5% | 13F ↗ |
| 15 | SMCI Super Micro Computer, Inc. | 1.86M | $54.5M | 1.6% | +15.0% | 13F ↗ |
| 16 | ELMT The Elmet Group Co. | 2.64M | $52.1M | 1.6% | New | 13F ↗ |
| 17 | MKSI MKS Inc. | 112,250 | $49.9M | 1.5% | -6.5% | 13F ↗ |
| 18 | UTI Universal Technical Institute Inc | 1.13M | $48.3M | 1.5% | +9.7% | 13F ↗ |
| 19 | NVMI Nova Ltd. | 88,650 | $48.1M | 1.4% | -3.8% | 13F ↗ |
| 20 | COHR Coherent Corp. | 92,500 | $36.5M | 1.1% | -12.3% | 13F ↗ |
| 21 | KLAC KLA Corporation | 102,500 | $30.9M | 0.9% | Unchanged | 13F ↗ |
| 22 | CRAI CRA International,Inc. | 215,506 | $30.7M | 0.9% | +53.9% | 13F ↗ |
| 23 | GENI Genius Sports Limited | 4.92M | $29.8M | 0.9% | +23.1% | 13F ↗ |
| 24 | VSAT ViaSat, Inc. | 330,600 | $29.7M | 0.9% | Unchanged | 13F ↗ |
| 25 | PSN Parsons Corporation | 555,000 | $29.1M | 0.9% | +35.7% | 13F ↗ |
| 26 | AMBQ Ambiq Micro, Inc. | 323,700 | $28.6M | 0.9% | +61.9% | 13F ↗ |
| 27 | CTRI Centuri Holdings, Inc. | 942,628 | $28.5M | 0.9% | +15.3% | 13F ↗ |
| 28 | BRKR Bruker Corporation | 459,250 | $27.6M | 0.8% | +8.2% | 13F ↗ |
| 29 | ARLO Arlo Technologies, Inc. · Common Stocks | 2.00M | $26.9M | 0.8% | +13.4% | 13F ↗ |
| 30 | NVT nVent Electric plc | 154,500 | $26.2M | 0.8% | Unchanged | 13F ↗ |
| 31 | WTTR Select Water Solutions, Inc. | 1.30M | $26.0M | 0.8% | +12.6% | 13F ↗ |
| 32 | GRC Gorman-Rupp Company | 272,500 | $25.0M | 0.8% | Unchanged | 13F ↗ |
| 33 | GNRC Generac Holdlings Inc. | 82,000 | $24.0M | 0.7% | +13.2% | 13F ↗ |
| 34 | ATRO Astronics Corporation | 272,500 | $22.1M | 0.7% | -20.2% | 13F ↗ |
| 35 | AKAM Akamai Technologies, Inc. | 183,500 | $21.7M | 0.7% | +2.8% | 13F ↗ |
| 36 | BMI Badger Meter, Inc. | 145,000 | $21.5M | 0.6% | +383% | 13F ↗ |
| 37 | TNC Tennant Company | 242,500 | $21.2M | 0.6% | +5.9% | 13F ↗ |
| 38 | ECG Everus Construction Group, Inc. | 126,500 | $21.0M | 0.6% | Unchanged | 13F ↗ |
| 39 | CLH Clean Harbors, Inc. | 70,106 | $20.9M | 0.6% | +1.8% | 13F ↗ |
| 40 | ASUR Asure Software Inc | 2.63M | $20.9M | 0.6% | +1.1% | 13F ↗ |
| 41 | ASPN Aspen Aerogels, Inc. | 3.26M | $20.7M | 0.6% | -27.8% | 13F ↗ |
| 42 | MTRX Matrix Service Company | 1.44M | $19.7M | 0.6% | Unchanged | 13F ↗ |
| 43 | MYRG MYR Group, Inc. | 39,000 | $19.5M | 0.6% | +1.0% | 13F ↗ |
| 44 | PLAB Photronics, Inc. | 585,500 | $19.0M | 0.6% | -3.2% | 13F ↗ |
| 45 | LTRX Lantronix, Inc. | 3.15M | $18.5M | 0.6% | New | 13F ↗ |
| 46 | ENTG Entegris, Inc. | 101,500 | $18.3M | 0.5% | -13.2% | 13F ↗ |
| 47 | EVLV Evolv Technologies Holdings, Inc. | 3.08M | $17.8M | 0.5% | +146% | 13F ↗ |
| 48 | BWXT BWX Technologies, Inc. | 87,500 | $17.0M | 0.5% | +48.3% | 13F ↗ |
| 49 | SOLS Solstice Advanced Materials Inc. | 187,500 | $16.6M | 0.5% | Unchanged | 13F ↗ |
| 50 | FELE Franklin Electric Co., Inc. | 154,200 | $16.5M | 0.5% | New | 13F ↗ |
Changes since Q1 2026
13 new, 76 added to, 27 trimmed, 13 exited, 60 unchanged. By estimated dollars.
New positions (13)
| ELMT The Elmet Group Co. | 2.64M | New | $52.1M |
| LTRX Lantronix, Inc. | 3.15M | New | $18.5M |
| FELE Franklin Electric Co., Inc. | 154,200 | New | $16.5M |
| DDD 3D Systems Corporation | 3.53M | New | $10.6M |
| CALX Calix, Inc | 275,000 | New | $10.3M |
| PRIM Primoris Services Corporation | 64,250 | New | $6.4M |
| OCTV Octave Intelligence plc | 300,000 | New | $4.9M |
| HON Honeywell International Inc. | 20,000 | New | $4.5M |
| HONA Honeywell Aerospace Inc. | 20,000 | New | $4.4M |
| TWIN Twin Disc, Incorporated | 150,000 | New | $3.5M |
Added to (76)
| CECO CECO Environmental Corp. | 957,500 | +147% | $51.7M |
| TTI Tetra Technologies, Inc. | 5.65M | +67.5% | $25.8M |
| BMI Badger Meter, Inc. | 145,000 | +383% | $17.1M |
| AMBQ Ambiq Micro, Inc. | 323,700 | +61.9% | $10.9M |
| CRAI CRA International,Inc. | 215,506 | +53.9% | $10.7M |
| EVLV Evolv Technologies Holdings, Inc. | 3.08M | +146% | $10.6M |
| AMBA Ambarella, Inc. | 135,000 | +575% | $9.9M |
| BSY Bentley Systems, Incorporated | 542,300 | +152% | $9.8M |
| AVAV AeroVironment, Inc. | 61,000 | +876% | $9.0M |
| LPTH LightPath Technologies, Inc. | 1.01M | +91.5% | $7.9M |
Trimmed (27)
| ADTN ADTRAN Holdings, Inc. | 450,000 | -63.4% | -$10.8M |
| FORM FormFactor, Inc. | 547,500 | -9.3% | -$9.0M |
| ASPN Aspen Aerogels, Inc. | 3.26M | -27.8% | -$8.0M |
| COHU Cohu, Inc. | 50,000 | -61.5% | -$5.9M |
| ATRO Astronics Corporation | 272,500 | -20.2% | -$5.6M |
| COHR Coherent Corp. | 92,500 | -12.3% | -$5.1M |
| MKSI MKS Inc. | 112,250 | -6.5% | -$3.4M |
| VPG Vishay Precision Group, Inc. | 599,000 | -3.4% | -$3.1M |
| TTMI TTM Technologies, Inc. | 72,500 | -17.1% | -$2.8M |
| ENTG Entegris, Inc. | 101,500 | -13.2% | -$2.8M |
Exited (13)
| Thermon Group Holdings Inc | 632,500 | Exited | -$31.9M |
| Honeywell International Inc | 27,500 | Exited | -$6.2M |
| FIGR Figure Technology Solutions, Inc. | 72,429 | Exited | -$2.5M |
| MXL MaxLinear, Inc | 115,000 | Exited | -$2.0M |
| POWI Power Integrations, Inc. | 25,400 | Exited | -$1.3M |
| PENG Penguin Solutions, Inc. | 50,000 | Exited | -$880.0K |
| Dupont De Nemours Inc | 17,000 | Exited | -$778.6K |
| EXTR Extreme Networks, Inc. | 45,000 | Exited | -$678.6K |
| STRL Sterling Infrastructure, Inc. | 1,500 | Exited | -$610.9K |
| CRCL Circle Internet Group, Inc. | 5,412 | Exited | -$516.4K |
The 10 largest of each, by estimated dollars: shares changed times the later report's price. Index tracking, splits and mergers move positions too.
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Reported value by quarter
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Ten largest positions
By value, Q2 2026.
Filings
Most recent first, up to 80. An amendment can replace a report or add holdings to it. All 13F filings
Information, not investment advice. Values are the fund's own figures at quarter end; a report can be up to 45 days old when filed. Disclaimer