Needham Investment Management LLC 13F holdings
Needham Investment Management LLC reported 176 positions with a total reported value of $3.3B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-14. Top holdings by reported value: VICR VICOR CORP (6.0%), AIP ARTERIS INC (5.7%), VSH VISHAY INTERTECHNOLOGY INC (4.9%), PDFS PDF SOLUTIONS INC (4.4%), LASR NLIGHT INC (4.2%). Against 2026-03-31 it opened 12 new positions and exited 12. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 176 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| VICR VICOR CORP | 524,000 | $199.0M | 6.0% |
| AIP ARTERIS INC | 3,927,500 | $190.8M | 5.7% |
| VSH VISHAY INTERTECHNOLOGY INC | 3,035,610 | $163.3M | 4.9% |
| PDFS PDF SOLUTIONS INC | 2,065,000 | $146.2M | 4.4% |
| LASR NLIGHT INC | 1,992,740 | $138.7M | 4.2% |
| VRT VERTIV HOLDINGS CO | 285,750 | $95.7M | 2.9% |
| VPG VISHAY PRECISION GROUP INC | 599,000 | $89.8M | 2.7% |
| FORM FORMFACTOR INC | 547,500 | $87.6M | 2.6% |
| CECO CECO ENVIRONMENTAL CORP | 957,500 | $86.9M | 2.6% |
| ODC OIL DRI CORP AMER | 686,000 | $70.1M | 2.1% |
| TDUP THREDUP INC | 10,175,000 | $69.7M | 2.1% |
| LINCOLN EDL SVCS CORP | 1,325,000 | $66.1M | 2.0% |
| VEECO INSTRS INC DEL | 845,850 | $64.1M | 1.9% |
| TTI TETRA TECHNOLOGIES INC DEL | 5,651,500 | $64.0M | 1.9% |
| SMCI SUPER MICRO COMPUTER INC | 1,858,500 | $54.5M | 1.6% |
| ELMT ELMET GROUP CO (THE) | 2,639,416 | $52.1M | 1.6% |
| MKSI MKS INC. | 112,250 | $49.9M | 1.5% |
| UTI UNIVERSAL TECHNICAL INST INC | 1,130,000 | $48.3M | 1.5% |
| NVMI NOVA LTD | 88,650 | $48.1M | 1.4% |
| COHR COHERENT CORP | 92,500 | $36.5M | 1.1% |
| KLAC KLA CORP | 102,500 | $30.9M | 0.9% |
| CRA INTL INC | 215,506 | $30.7M | 0.9% |
| GENI GENIUS SPORTS LIMITED | 4,925,000 | $29.8M | 0.9% |
| VSAT VIASAT INC | 330,600 | $29.7M | 0.9% |
| PSN PARSONS CORP DEL | 555,000 | $29.1M | 0.9% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 12 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| ELMT ELMET GROUP CO (THE) | 2,639,416 | $52.1M | 1.6% |
| LTRX LANTRONIX INC | 3,150,000 | $18.5M | 0.6% |
| FELE FRANKLIN ELEC INC | 154,200 | $16.5M | 0.5% |
| DDD 3D SYS CORP DEL | 3,525,200 | $10.6M | 0.3% |
| CALX CALIX INC | 275,000 | $10.3M | 0.3% |
| PRIMORIS SVCS CORP | 64,250 | $6.4M | 0.2% |
| OCTV OCTAVE INTELLIGENCE PLC | 300,000 | $4.9M | 0.1% |
| HONA HONEYWELL AEROSPACE INC | 20,000 | $4.4M | 0.1% |
| TWIN TWIN DISC INC | 150,000 | $3.5M | 0.1% |
| EROK EAGLEROCK LD LLC | 160,000 | $3.4M | 0.1% |
| QUANTA SVCS INC | 1,000 | $720.0K | <0.1% |
| MSFT MICROSOFT CORP | 1,500 | $559.5K | <0.1% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 12 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| THERMON GROUP HLDGS INC | 632,500 | $31.9M | 1.6% |
| FIGR FIGURE TECHNOLOGY SOLUTIO | 72,429 | $2.5M | 0.1% |
| MXL MAXLINEAR INC | 115,000 | $2.0M | 0.1% |
| POWI POWER INTEGRATIONS INC | 25,400 | $1.3M | <0.1% |
| PENG PENGUIN SOLUTIONS INC | 50,000 | $880.0K | <0.1% |
| DD DUPONT DE NEMOURS INC | 17,000 | $778.6K | <0.1% |
| EXTR EXTREME NETWORKS INC | 45,000 | $678.6K | <0.1% |
| STRL STERLING INFRASTRUCTURE INC | 1,500 | $610.9K | <0.1% |
| CRCL CIRCLE INTERNET GROUP INC | 5,412 | $516.4K | <0.1% |
| FTRE FORTREA HLDGS INC | 37,763 | $355.7K | <0.1% |
| UCTT ULTRA CLEAN HLDGS INC | 5,000 | $310.9K | <0.1% |
| ICHR ICHOR HOLDINGS | 5,000 | $233.1K | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| CECO CECO ENVIRONMENTAL CORP | 387,500 | 957,500 | +147.1% | $86.9M |
| KLAC KLA CORP | 10,250 | 102,500 | +900.0% | $30.9M |
| TTI TETRA TECHNOLOGIES INC DEL | 3,375,000 | 5,651,500 | +67.5% | $64.0M |
| BMI BADGER METER INC | 30,000 | 145,000 | +383.3% | $21.5M |
| AMBQ AMBIQ MICRO INC | 200,000 | 323,700 | +61.9% | $28.6M |
| CRA INTL INC | 140,006 | 215,506 | +53.9% | $30.7M |
| EVLV EVOLV TECHNOLOGIES HLDNGS IN | 1,250,000 | 3,075,000 | +146.0% | $17.8M |
| AMBA AMBARELLA INC | 20,000 | 135,000 | +575.0% | $11.6M |
| BSY BENTLEY SYS INC | 215,000 | 542,300 | +152.2% | $16.2M |
| AVAV AEROVIRONMENT INC | 6,250 | 61,000 | +876.0% | $10.1M |
| LPTH LIGHTPATH TECHNOLOGIES INC | 527,500 | 1,010,000 | +91.5% | $16.5M |
| PSN PARSONS CORP DEL | 409,000 | 555,000 | +35.7% | $29.1M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| ADTN ADTRAN HOLDINGS INC | 1,228,500 | 450,000 | -63.4% | $6.3M |
| FORM FORMFACTOR INC | 603,500 | 547,500 | -9.3% | $87.6M |
| ASPN ASPEN AEROGELS INC | 4,518,775 | 3,260,800 | -27.8% | $20.7M |
| COHU COHU INC | 130,000 | 50,000 | -61.5% | $3.7M |
| COHR COHERENT CORP | 105,500 | 92,500 | -12.3% | $36.5M |
| MKSI MKS INC. | 120,000 | 112,250 | -6.5% | $49.9M |
| VPG VISHAY PRECISION GROUP INC | 620,000 | 599,000 | -3.4% | $89.8M |
| TTMI TTM TECHNOLOGIES INC | 87,500 | 72,500 | -17.1% | $13.6M |
| ENTG ENTEGRIS INC | 117,000 | 101,500 | -13.2% | $18.3M |
| BRIGHT HORIZONS FAM SOL IN D | 129,000 | 90,000 | -30.2% | $6.4M |
| VEECO INSTRS INC DEL | 880,000 | 845,850 | -3.9% | $64.1M |
| NVMI NOVA LTD | 92,150 | 88,650 | -3.8% | $48.1M |
CIK 1167212 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
