# NEEDHAM INVESTMENT MANAGEMENT LLC

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 1167212. Source: https://holderbook.com/funds/1167212-needham-investment-management-llc/

- Reported value: $3.3B
- Positions: 176
- Weight of the ten largest: 38.1%
- Filed: 2026-08-14

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| VICOR CORP | [VICR](https://holderbook.com/stocks/VICR/) | $199.0M | 524,000 | 6.0% | 31 |
| ARTERIS INC | [AIP](https://holderbook.com/stocks/AIP/) | $190.8M | 3,927,500 | 5.7% | 14 |
| VISHAY INTERTECHNOLOGY INC | [VSH](https://holderbook.com/stocks/VSH/) | $163.3M | 3,035,610 | 4.9% | 31 |
| PDF SOLUTIONS INC | [PDFS](https://holderbook.com/stocks/PDFS/) | $146.2M | 2,065,000 | 4.4% | 31 |
| NLIGHT INC | [LASR](https://holderbook.com/stocks/LASR/) | $138.7M | 1,992,740 | 4.2% | 21 |
| VERTIV HOLDINGS CO | [VRT](https://holderbook.com/stocks/VRT/) | $95.7M | 285,750 | 2.9% | 19 |
| VISHAY PRECISION GROUP INC | [VPG](https://holderbook.com/stocks/VPG/) | $89.8M | 599,000 | 2.7% | 31 |
| FORMFACTOR INC | [FORM](https://holderbook.com/stocks/FORM/) | $87.6M | 547,500 | 2.6% | 31 |
| CECO ENVIRONMENTAL CORP | [CECO](https://holderbook.com/stocks/CECO/) | $86.9M | 957,500 | 2.6% | 4 |
| OIL DRI CORP AMER | [ODC](https://holderbook.com/stocks/ODC/) | $70.1M | 686,000 | 2.1% | 31 |
| THREDUP INC | [TDUP](https://holderbook.com/stocks/TDUP/) | $69.7M | 10,175,000 | 2.1% | 20 |
| LINCOLN EDL SVCS CORP | [LINC](https://holderbook.com/stocks/LINC/) | $66.1M | 1,325,000 | 2.0% | 9 |
| VEECO INSTRS INC DEL | [VECO](https://holderbook.com/stocks/VECO/) | $64.1M | 845,850 | 1.9% | 25 |
| TETRA TECHNOLOGIES INC DEL | [TTI](https://holderbook.com/stocks/TTI/) | $64.0M | 5,651,500 | 1.9% | 6 |
| SUPER MICRO COMPUTER INC | [SMCI](https://holderbook.com/stocks/SMCI/) | $54.5M | 1,858,500 | 1.6% | 7 |
| ELMET GROUP CO (THE) | [ELMT](https://holderbook.com/stocks/ELMT/) | $52.1M | 2,639,416 | 1.6% | 1 |
| MKS INC. | [MKSI](https://holderbook.com/stocks/MKSI/) | $49.9M | 112,250 | 1.5% | 31 |
| UNIVERSAL TECHNICAL INST INC | [UTI](https://holderbook.com/stocks/UTI/) | $48.3M | 1,130,000 | 1.5% | 9 |
| NOVA LTD | [NVMI](https://holderbook.com/stocks/NVMI/) | $48.1M | 88,650 | 1.4% | 31 |
| COHERENT CORP | [COHR](https://holderbook.com/stocks/COHR/) | $36.5M | 92,500 | 1.1% | 16 |
| KLA CORP | [KLAC](https://holderbook.com/stocks/KLAC/) | $30.9M | 102,500 | 0.9% | 30 |
| CRA INTL INC | [CRAI](https://holderbook.com/stocks/CRAI/) | $30.7M | 215,506 | 0.9% | 28 |
| GENIUS SPORTS LIMITED | [GENI](https://holderbook.com/stocks/GENI/) | $29.8M | 4,925,000 | 0.9% | 12 |
| VIASAT INC | [VSAT](https://holderbook.com/stocks/VSAT/) | $29.7M | 330,600 | 0.9% | 31 |
| PARSONS CORP DEL | [PSN](https://holderbook.com/stocks/PSN/) | $29.1M | 555,000 | 0.9% | 29 |
| AMBIQ MICRO INC | [AMBQ](https://holderbook.com/stocks/AMBQ/) | $28.6M | 323,700 | 0.9% | 2 |
| CENTURI HOLDINGS INC | [CTRI](https://holderbook.com/stocks/CTRI/) | $28.5M | 942,628 | 0.9% | 9 |
| BRUKER CORP | [BRKR](https://holderbook.com/stocks/BRKR/) | $27.6M | 459,250 | 0.8% | 28 |
| ARLO TECHNOLOGIES INC | [ARLO](https://holderbook.com/stocks/ARLO/) | $26.9M | 1,995,000 | 0.8% | 25 |
| NVENT ELEC PLC | [NVT](https://holderbook.com/stocks/NVT/) | $26.2M | 154,500 | 0.8% | 11 |
| SELECT WATER SOLUTIONS INC | [WTTR](https://holderbook.com/stocks/WTTR/) | $26.0M | 1,300,000 | 0.8% | 5 |
| GORMAN RUPP CO | [GRC](https://holderbook.com/stocks/GRC/) | $25.0M | 272,500 | 0.8% | 9 |
| GENERAC HLDGS INC | [GNRC](https://holderbook.com/stocks/GNRC/) | $24.0M | 82,000 | 0.7% | 13 |
| ASTRONICS CORP | [ATRO](https://holderbook.com/stocks/ATRO/) | $22.1M | 272,500 | 0.7% | 10 |
| AKAMAI TECHNOLOGIES INC | [AKAM](https://holderbook.com/stocks/AKAM/) | $21.7M | 183,500 | 0.7% | 31 |
| BADGER METER INC | [BMI](https://holderbook.com/stocks/BMI/) | $21.5M | 145,000 | 0.6% | 10 |
| TENNANT CO | [TNC](https://holderbook.com/stocks/TNC/) | $21.2M | 242,500 | 0.6% | 4 |
| EVERUS CONSTR GROUP | [ECG](https://holderbook.com/stocks/ECG/) | $21.0M | 126,500 | 0.6% | 7 |
| CLEAN HARBORS INC | [CLH](https://holderbook.com/stocks/CLH/) | $20.9M | 70,106 | 0.6% | 26 |
| ASURE SOFTWARE INC | [ASUR](https://holderbook.com/stocks/ASUR/) | $20.9M | 2,635,000 | 0.6% | 11 |
| ASPEN AEROGELS INC | [ASPN](https://holderbook.com/stocks/ASPN/) | $20.7M | 3,260,800 | 0.6% | 31 |
| MATRIX SVC CO | [MTRX](https://holderbook.com/stocks/MTRX/) | $19.7M | 1,435,000 | 0.6% | 18 |
| MYR GROUP INC | [MYRG](https://holderbook.com/stocks/MYRG/) | $19.5M | 39,000 | 0.6% | 8 |
| PHOTRONICS INC | [PLAB](https://holderbook.com/stocks/PLAB/) | $19.0M | 585,500 | 0.6% | 31 |
| LANTRONIX INC | [LTRX](https://holderbook.com/stocks/LTRX/) | $18.5M | 3,150,000 | 0.6% | 1 |
| ENTEGRIS INC | [ENTG](https://holderbook.com/stocks/ENTG/) | $18.3M | 101,500 | 0.5% | 31 |
| EVOLV TECHNOLOGIES HLDNGS IN | [EVLV](https://holderbook.com/stocks/EVLV/) | $17.8M | 3,075,000 | 0.5% | 5 |
| BWX TECHNOLOGIES INC | [BWXT](https://holderbook.com/stocks/BWXT/) | $17.0M | 87,500 | 0.5% | 4 |
| SOLSTICE ADVANCED MATLS INC | [SOLS](https://holderbook.com/stocks/SOLS/) | $16.6M | 187,500 | 0.5% | 3 |
| FRANKLIN ELEC INC | [FELE](https://holderbook.com/stocks/FELE/) | $16.5M | 154,200 | 0.5% | 1 |
| LIGHTPATH TECHNOLOGIES INC | [LPTH](https://holderbook.com/stocks/LPTH/) | $16.5M | 1,010,000 | 0.5% | 2 |
| BENTLEY SYS INC | [BSY](https://holderbook.com/stocks/BSY/) | $16.2M | 542,300 | 0.5% | 8 |
| UNISYS CORP | [UIS](https://holderbook.com/stocks/UIS/) | $16.2M | 4,428,000 | 0.5% | 19 |
| UNUSUAL MACHS INC | [UMAC](https://holderbook.com/stocks/UMAC/) | $16.0M | 718,500 | 0.5% | 2 |
| 908 DEVICES INC | [MASS](https://holderbook.com/stocks/MASS/) | $15.8M | 1,820,620 | 0.5% | 9 |
| HUNTINGTON INGALLS INDS INC | [HII](https://holderbook.com/stocks/HII/) | $15.8M | 56,500 | 0.5% | 11 |
| LABCORP HOLDINGS INC | [LH](https://holderbook.com/stocks/LH/) | $15.8M | 56,313 | 0.5% | 9 |
| JACOBS SOLUTIONS INC | [J](https://holderbook.com/stocks/J/) | $15.7M | 124,500 | 0.5% | 8 |
| ENERGY SERVICES OF AMER CORP | [ESOA](https://holderbook.com/stocks/ESOA/) | $15.5M | 800,000 | 0.5% | 9 |
| ATLANTA BRAVES HLDGS INC | [BATRK](https://holderbook.com/stocks/BATRK/) | $14.9M | 287,100 | 0.4% | 3 |
| MARVELL TECHNOLOGY INC | [MRVL](https://holderbook.com/stocks/MRVL/) | $14.4M | 48,250 | 0.4% | 18 |
| WABTEC | [WAB](https://holderbook.com/stocks/WAB/) | $14.3M | 53,000 | 0.4% | 30 |
| MARKEL GROUP INC | [MKL](https://holderbook.com/stocks/MKL/) | $14.2M | 7,275 | 0.4% | 17 |
| MDU RES GROUP INC | [MDU](https://holderbook.com/stocks/MDU/) | $14.1M | 665,000 | 0.4% | 9 |
| VITAL FARMS INC | [VITL](https://holderbook.com/stocks/VITL/) | $14.1M | 1,210,000 | 0.4% | 10 |
| TERADYNE INC | [TER](https://holderbook.com/stocks/TER/) | $14.0M | 29,000 | 0.4% | 18 |
| EQUINIX INC | [EQIX](https://holderbook.com/stocks/EQIX/) | $13.7M | 13,175 | 0.4% | 31 |
| TTM TECHNOLOGIES INC | [TTMI](https://holderbook.com/stocks/TTMI/) | $13.6M | 72,500 | 0.4% | 31 |
| MASTEC INC | [MTZ](https://holderbook.com/stocks/MTZ/) | $13.4M | 32,250 | 0.4% | 2 |
| ECOVYST INC | [ECVT](https://holderbook.com/stocks/ECVT/) | $12.7M | 1,020,000 | 0.4% | 10 |
| TRANSCAT INC | [TRNS](https://holderbook.com/stocks/TRNS/) | $12.7M | 136,720 | 0.4% | 26 |
| THERMO FISHER SCIENTIFIC INC | [TMO](https://holderbook.com/stocks/TMO/) | $12.7M | 25,250 | 0.4% | 31 |
| COGNEX CORP | [CGNX](https://holderbook.com/stocks/CGNX/) | $12.5M | 173,000 | 0.4% | 12 |
| LIFE TIME GROUP HOLDINGS INC | [LTH](https://holderbook.com/stocks/LTH/) | $12.5M | 305,000 | 0.4% | 3 |
| ASML HLDG NV | [ASML](https://holderbook.com/stocks/ASML/) | $12.2M | 6,150 | 0.4% | 18 |
| AMBARELLA INC | [AMBA](https://holderbook.com/stocks/AMBA/) | $11.6M | 135,000 | 0.3% | 2 |
| VAIL RESORTS INC | [MTN](https://holderbook.com/stocks/MTN/) | $11.5M | 84,500 | 0.3% | 11 |
| HARMONIC INC | [HLIT](https://holderbook.com/stocks/HLIT/) | $11.4M | 700,000 | 0.3% | 12 |
| CRYOPORT INC | [CYRX](https://holderbook.com/stocks/CYRX/) | $11.3M | 717,000 | 0.3% | 31 |
| SITIME CORP | [SITM](https://holderbook.com/stocks/SITM/) | $11.2M | 15,000 | 0.3% | 27 |
| CORNING INC | [GLW](https://holderbook.com/stocks/GLW/) | $10.9M | 42,500 | 0.3% | 31 |
| LAM RESEARCH CORP | [LRCX](https://holderbook.com/stocks/LRCX/) | $10.8M | 25,000 | 0.3% | 7 |
| 3-D SYS CORP DEL | [DDD](https://holderbook.com/stocks/DDD/) | $10.6M | 3,525,200 | 0.3% | 1 |
| CAMTEK LTD | [CAMT](https://holderbook.com/stocks/CAMT/) | $10.4M | 64,000 | 0.3% | 6 |
| CALIX INC | [CALX](https://holderbook.com/stocks/CALX/) | $10.3M | 275,000 | 0.3% | 1 |
| MODINE MFG CO | [MOD](https://holderbook.com/stocks/MOD/) | $10.1M | 38,000 | 0.3% | 3 |
| AEROVIRONMENT INC | [AVAV](https://holderbook.com/stocks/AVAV/) | $10.1M | 61,000 | 0.3% | 2 |
| CEVA INC | [CEVA](https://holderbook.com/stocks/CEVA/) | $9.9M | 210,000 | 0.3% | 9 |
| ROGERS CORP | [ROG](https://holderbook.com/stocks/ROG/) | $9.0M | 55,000 | 0.3% | 12 |
| ABRDN LIFE SCIENCES INVESTOR | [HQL](https://holderbook.com/stocks/HQL/) | $8.9M | 443,041 | 0.3% | 31 |
| PRECISION OPTICS CORP INC MA | [POCI](https://holderbook.com/stocks/POCI/) | $8.5M | 1,670,550 | 0.3% | 15 |
| MATTHEWS INTL CORP | [MATW](https://holderbook.com/stocks/MATW/) | $8.1M | 300,000 | 0.2% | 6 |
| CRH PLC | [CRH](https://holderbook.com/stocks/CRH/) | $7.6M | 70,700 | 0.2% | 11 |
| RED CAT HLDGS INC | [RCAT](https://holderbook.com/stocks/RCAT/) | $7.3M | 687,500 | 0.2% | 2 |
| RESEARCH SOLUTIONS INC | [RSSS](https://holderbook.com/stocks/RSSS/) | $7.3M | 3,155,000 | 0.2% | 17 |
| ABRDN HEALTHCARE INVESTORS | [HQH](https://holderbook.com/stocks/HQH/) | $7.1M | 320,825 | 0.2% | 31 |
| GILEAD SCIENCES INC | [GILD](https://holderbook.com/stocks/GILD/) | $6.9M | 55,000 | 0.2% | 31 |
| NORTHERN TECHNOLOGIES INTL C | [NTIC](https://holderbook.com/stocks/NTIC/) | $6.8M | 800,000 | 0.2% | 14 |
| DRAGANFLY INC. | [DPRO](https://holderbook.com/stocks/DPRO/) | $6.8M | 1,250,000 | 0.2% | 2 |
| CARMAX INC | [KMX](https://holderbook.com/stocks/KMX/) | $6.7M | 127,500 | 0.2% | 31 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | +53.9% | +14.8% | +39.1% | 100% |
| Q1 2026 | +15.4% | -4.6% | +20.0% | 100% |
| Q4 2025 | +4.6% | +2.4% | +2.2% | 100% |
| Q3 2025 | +10.8% | +7.8% | +3.0% | 97% |
| Q2 2025 | +22.9% | +10.5% | +12.4% | 99% |
| Q1 2025 | -12.8% | -4.6% | -8.2% | 98% |
| Q4 2024 | -5.4% | +2.1% | -7.5% | 100% |
| Q3 2024 | -2.3% | +5.4% | -7.8% | 100% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $3.3B | 176 |
| Q1 2026 | $2.0B | 176 |
| Q4 2025 | $1.6B | 162 |
| Q3 2025 | $1.4B | 161 |
| Q2 2025 | $1.3B | 150 |
| Q1 2025 | $1.1B | 150 |
| Q4 2024 | $1.3B | 150 |
| Q3 2024 | $1.3B | 146 |
| Q2 2024 | $1.2B | 141 |
| Q1 2024 | $1.1B | 131 |
| Q4 2023 | $792.1M | 130 |
| Q3 2023 | $588.0M | 120 |