NEEDHAM INVESTMENT MANAGEMENT LLC
Long book
$1.96B
Q1 2026
Positions
176
Top-10 weight
33%
concentration
Last quarter
+37.4%
SPY +14.8%
Turnover
15%
of book per quarter
Strategy in plain words
auto-generated from filingsNEEDHAM INVESTMENT MANAGEMENT LLC is an institutional manager, running a $1.96B US long book across 176 positions.
The portfolio is moderately concentrated (top 10 ≈ 33% of the book). Turnover is modest: positions are typically held for years. Current anchor positions: NLIGHT INC, VICOR CORP, VERTIV HOLDINGS CO-A, PDF SOLUTIONS INC, ARTERIS INC.
Over the last 9 quarters its long book ran on average 3.4pp per quarter ahead of the S&P 500, beating the index in 5 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+0.2%
Q2 2024
-2.6%
Q3 2024
-3.2%
Q4 2024
-14.0%
Q1 2025
+22.5%
Q2 2025
+11.1%
Q3 2025
+4.6%
Q4 2025
+15.3%
Q1 2026
+37.4%
Sector allocation
Technology 43%
Industrials 17%
Services media 11%
Other 11%
Healthcare 4%
Consumer discretionary 3%
Energy 3%
Materials 2%
Long book by quarter
What does NEEDHAM INVESTMENT own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| LASR NLIGHT INC | Technology | 1.9M | $109.6M | 5.6% | +3.5% |
| VICR VICOR CORP | Technology | 522.0K | $84.0M | 4.3% | -8.4% |
| VRT VERTIV HOLDINGS CO-A | Technology | 285.3K | $71.5M | 3.7% | Held |
| PDFS PDF SOLUTIONS INC | Technology | 2.0M | $66.2M | 3.4% | +2.9% |
| AIP ARTERIS INC | Technology | 4.0M | $65.0M | 3.3% | +15.9% |
| FORM FORMFACTOR INC | Technology | 603.5K | $58.5M | 3.0% | -13.1% |
| VSH VISHAY INTERTECHNOLOGY INC | Technology | 2.9M | $52.6M | 2.7% | +22.9% |
| LINC LINCOLN EDUCATIONAL SERVICES | Services media | 1.3M | $52.0M | 2.7% | +13.6% |
| ODC OIL-DRI CORP OF AMERICA | Other | 677.5K | $44.1M | 2.3% | +6.7% |
| NVMI NOVA LTD | Other | 92.2K | $40.0M | 2.0% | -17.5% |
| UTI UNIVERSAL TECHNICAL INSTITUT | Services media | 1.0M | $37.2M | 1.9% | +27.6% |
| SMCI SUPER MICRO COMPUTER INC | Technology | 1.6M | $36.8M | 1.9% | +17.1% |
| 8TG THERMON GROUP HOLDINGS INC | — | 632.5K | $31.9M | 1.6% | +2.0% |
| TDUP THREDUP INC - CLASS A | Consumer discretionary | 9.3M | $30.4M | 1.6% | +52.7% |
| VECO VEECO INSTRUMENTS INC | Industrials | 880.0K | $29.8M | 1.5% | +9.3% |
| TTI TETRA TECHNOLOGIES INC | Energy | 3.4M | $28.8M | 1.5% | +42.1% |
| MKSI MKS INC | Technology | 120.0K | $27.6M | 1.4% | -8.0% |
| VPG VISHAY PRECISION GROUP | Technology | 620.0K | $26.9M | 1.4% | -5.7% |
| COHR COHERENT CORP | Other | 105.5K | $25.1M | 1.3% | -23.3% |
| ARLO ARLO TECHNOLOGIES INC | Services media | 1.8M | $25.0M | 1.3% | +14.3% |
| PLAB PHOTRONICS INC | Technology | 605.0K | $24.4M | 1.2% | -21.9% |
| CTRI CENTURI HOLDINGS INC | Utilities | 817.6K | $23.9M | 1.2% | +2.5% |
| CECO CECO ENVIRONMENTAL CORP | Industrials | 387.5K | $23.1M | 1.2% | +29.8% |
| CRAI CRA INTERNATIONAL INC | Services media | 140.0K | $22.7M | 1.2% | +41.8% |
| ASUR ASURE SOFTWARE INC | Technology | 2.6M | $22.4M | 1.1% | +1.5% |
| PSN PARSONS CORP | Technology | 409.0K | $22.2M | 1.1% | +26.2% |
| HII HUNTINGTON INGALLS INDUSTRIE | Industrials | 55.3K | $21.0M | 1.1% | +9.4% |
| AKAM AKAMAI TECHNOLOGIES INC | Services media | 178.5K | $20.5M | 1.0% | +14.1% |
| CLH CLEAN HARBORS INC | Utilities | 68.9K | $19.7M | 1.0% | Held |
| NVT NVENT ELECTRIC PLC | Industrials | 154.5K | $18.3M | 0.9% | Held |
| ATRO ASTRONICS CORP | Industrials | 272.5K | $18.2M | 0.9% | Held |
| GENI GENIUS SPORTS LTD | Services media | 4.0M | $17.7M | 0.9% | +48.7% |
| WTTR SELECT WATER SOLUTIONS INC | Energy | 1.2M | $17.7M | 0.9% | +49.0% |
| GRC GORMAN-RUPP CO | Industrials | 272.5K | $16.9M | 0.9% | +4.8% |
| MTRX MATRIX SERVICE CO | Industrials | 1.4M | $16.5M | 0.8% | Held |
| VITL VITAL FARMS INC | Consumer staples | 1.1M | $16.2M | 0.8% | +67.9% |
| ADTN ADTRAN HOLDINGS INC | Technology | 1.2M | $15.5M | 0.8% | -15.1% |
| ASPN ASPEN AEROGELS INC | Consumer discretionary | 4.5M | $15.5M | 0.8% | +3.8% |
| BRKR BRUKER CORP | Healthcare | 424.3K | $15.3M | 0.8% | +16.3% |
| TNC TENNANT CO | Industrials | 229.0K | $15.2M | 0.8% | +239.3% |
| VSAT VIASAT INC | Communications | 330.6K | $15.1M | 0.8% | Held |
| KLAC KLA CORP | Other | 10.3K | $15.1M | 0.8% | -21.2% |
| LH LABCORP HOLDINGS INC | Healthcare | 56.3K | $15.0M | 0.8% | Held |
| ECG EVERUS CONSTRUCTION GROUP | Industrials | 126.5K | $14.9M | 0.8% | Held |
| SOLS SOLSTICE ADV MATERIALS INC | Materials | 187.5K | $14.3M | 0.7% | +7.1% |
| GNRC GENERAC HOLDINGS INC | Industrials | 72.5K | $14.2M | 0.7% | +110.0% |
| WAB WABTEC CORP | Industrials | 55.8K | $13.9M | 0.7% | Held |
| ENTG ENTEGRIS INC | Other | 117.0K | $13.7M | 0.7% | -38.9% |
| ECVT ECOVYST INC | Materials | 1.0M | $13.1M | 0.7% | Held |
| MKL MARKEL GROUP INC | Financials | 6.7K | $12.8M | 0.7% | +7.6% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 348 | $1.96B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 322 | $1.58B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 315 | $1.43B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 302 | $1.25B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 314 | $1.07B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 316 | $1.30B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 315 | $1.30B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 302 | $1.22B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 280 | $1.08B | canonical | SEC ↗ |
Similar funds
MASSACHUSETTS FINANCIAL SERVICES CO /MA/JENNISON ASSOCIATES LLCNational Pension ServiceFIL LtdClearbridge Investments, LLCDZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am MainNORDEA INVESTMENT MANAGEMENT ABBoston PartnersSwedbank AB1832 Asset Management L.P. HARRIS ASSOCIATES L PLOOMIS SAYLES & CO L P