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NEEDHAM INVESTMENT MANAGEMENT LLC
Period ended Jun 30, 2026 · Latest filing Aug 14, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Jun 30, 2026: $3,325,608,308
More quarters will appear as history becomes available.
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- VICOR CORP · COM · 925815102 · shares: $199,004,720
- ARTERIS INC · COM · 04302A104 · shares: $190,837,225
- VISHAY INTERTECHNOLOGY INC · COM · 928298108 · shares: $163,255,106
- PDF SOLUTIONS INC · COM · 693282105 · shares: $146,181,350
- NLIGHT INC · COM · 65487K100 · shares: $138,734,559
- VERTIV HOLDINGS CO · COM CL A · 92537N108 · shares: $95,674,815
- VISHAY PRECISION GROUP INC · COM · 92835K103 · shares: $89,796,090
- FORMFACTOR INC · COM · 346375108 · shares: $87,561,675
- CECO ENVIRONMENTAL CORP · COM · 125141101 · shares: $86,883,550
- OIL DRI CORP AMER · COM · 677864100 · shares: $70,116,060
Reported holdings
359 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| HUNTINGTON INGALLS INDS INC | COM | 446413106 | — | 10,500 shares | $2,938,845 |
| QNITY ELECTRONICS INC | COMMON STOCK | 74743L100 | — | 17,500 shares | $2,857,925 |
| FLOTEK INDUSTRIES INC | COM NEW | 343389409 | — | 120,000 shares | $2,822,400 |
| TTM TECHNOLOGIES INC | COM | 87305R109 | — | 15,000 shares | $2,805,300 |
| ELMET GROUP CO (THE) | COMMON STOCK | 289395105 | — | 138,448 shares | $2,732,964 |
| FIREFLY AEROSPACE INC | COM | 31816X106 | — | 92,500 shares | $2,719,500 |
| VEECO INSTRS INC DEL | COM | 922417100 | — | 34,375 shares | $2,605,625 |
| CLEANSPARK INC | COM NEW | 18452B209 | — | 175,000 shares | $2,546,250 |
| BECTON DICKINSON & CO | COM | 075887109 | — | 16,750 shares | $2,534,778 |
| NLIGHT INC | COM | 65487K100 | — | 35,965 shares | $2,503,883 |
| HEICO CORP NEW | COM | 422806109 | — | 7,000 shares | $2,493,330 |
| ABRDN LIFE SCIENCES INVESTOR | SH BEN INT | 87911K100 | — | 121,727 shares | $2,435,757 |
| AKAMAI TECHNOLOGIES INC | COM | 00971T101 | — | 20,000 shares | $2,364,200 |
| TTM TECHNOLOGIES INC | COM | 87305R109 | — | 12,500 shares | $2,337,750 |
| BRUKER CORP | COM | 116794108 | — | 37,500 shares | $2,256,750 |
| HONEYWELL INTL INC | COM | 438516205 | — | 10,000 shares | $2,239,000 |
| ABRDN HEALTHCARE INVESTORS | SH BEN INT | 87911J103 | — | 101,703 shares | $2,235,432 |
| SUPER MICRO COMPUTER INC | COM NEW | 86800U302 | — | 76,000 shares | $2,229,080 |
| ASPEN AEROGELS INC | COM | 04523Y105 | — | 350,000 shares | $2,219,000 |
| HONEYWELL AEROSPACE INC | COM | 43849R105 | — | 10,000 shares | $2,210,800 |
| 908 DEVICES INC | COM | 65443P102 | — | 252,970 shares | $2,200,839 |
| TENNANT CO | COM | 880345103 | — | 25,000 shares | $2,188,500 |
| NOVA LTD | COM | M7516K103 | — | 4,000 shares | $2,171,760 |
| BROOKFIELD CORP | CL A LTD VT SH | 11271J107 | — | 49,304 shares | $2,099,857 |
| EVERUS CONSTR GROUP | COM | 300426103 | — | 12,500 shares | $2,074,375 |
| QNITY ELECTRONICS INC | COMMON STOCK | 74743L100 | — | 12,000 shares | $1,959,720 |
| VICOR CORP | COM | 925815102 | — | 5,000 shares | $1,898,900 |
| MASTEC INC | COM | 576323109 | — | 4,500 shares | $1,872,270 |
| PHOTRONICS INC | COM | 719405102 | — | 57,500 shares | $1,870,475 |
| TTM TECHNOLOGIES INC | COM | 87305R109 | — | 10,000 shares | $1,870,200 |
| HINGE HEALTH INC | CL A | 433313103 | — | 22,500 shares | $1,867,500 |
| MEDTRONIC PLC | SHS | G5960L103 | — | 23,541 shares | $1,841,612 |
| VISHAY INTERTECHNOLOGY INC | COM | 928298108 | — | 33,902 shares | $1,823,250 |
| MKS INC. | COM | 55306N104 | — | 4,000 shares | $1,779,200 |
| SOLSTICE ADVANCED MATLS INC | COM SHS | 83443Q103 | — | 20,000 shares | $1,772,000 |
| FIREFLY AEROSPACE INC | COM | 31816X106 | — | 60,000 shares | $1,764,000 |
| GENERAC HLDGS INC | COM | 368736104 | — | 6,000 shares | $1,756,860 |
| LABCORP HOLDINGS INC | COM SHS | 504922105 | — | 6,250 shares | $1,750,000 |
| ATLANTA BRAVES HLDGS INC | COM SER C | 047726302 | — | 33,000 shares | $1,712,700 |
| COSTAR GROUP INC | COM | 22160N109 | — | 60,000 shares | $1,699,200 |
| FRANKLIN ELEC INC | COM | 353514102 | — | 15,800 shares | $1,693,602 |
| HONEYWELL INTL INC | COM | 438516205 | — | 7,500 shares | $1,679,250 |
| HONEYWELL AEROSPACE INC | COM | 43849R105 | — | 7,500 shares | $1,658,100 |
| COMTECH TELECOMMUNICATIONS C | COM NEW | 205826209 | — | 764,625 shares | $1,605,713 |
| TENNANT CO | COM | 880345103 | — | 17,500 shares | $1,531,950 |
| CROWDSTRIKE HLDGS INC | CL A | 22788C105 | — | 2,000 shares | $1,526,280 |
| MEDTRONIC PLC | SHS | G5960L103 | — | 19,500 shares | $1,525,485 |
| CENTURI HOLDINGS INC | COM SHS | 155923105 | — | 50,000 shares | $1,512,000 |
| 3D SYS CORP DEL | COM NEW | 88554D205 | — | 500,200 shares | $1,510,604 |
| COSTAR GROUP INC | COM | 22160N109 | — | 52,500 shares | $1,486,800 |
| SOLSTICE ADVANCED MATLS INC | COM SHS | 83443Q103 | — | 16,000 shares | $1,417,600 |
| PRIMORIS SVCS CORP | COM | 74164F103 | — | 14,250 shares | $1,412,460 |
| LABCORP HOLDINGS INC | COM SHS | 504922105 | — | 5,000 shares | $1,400,000 |
| APPLE INC | COM | 037833100 | — | 4,750 shares | $1,374,460 |
| VAIL RESORTS INC | COM | 91879Q109 | — | 10,000 shares | $1,361,500 |
| ASPEN AEROGELS INC | COM | 04523Y105 | — | 200,800 shares | $1,273,072 |
| GILEAD SCIENCES INC | COM | 375558103 | — | 10,000 shares | $1,263,400 |
| UNITEDHEALTH GROUP INC | COM | 91324P102 | — | 3,000 shares | $1,246,890 |
| ATLANTA BRAVES HLDGS INC | COM SER C | 047726302 | — | 24,000 shares | $1,245,600 |
| NAVIGATOR HLDGS LTD | SHS | Y62132108 | — | 66,600 shares | $1,240,758 |
| MERCURY SYS INC | COM | 589378108 | — | 10,000 shares | $1,223,300 |
| EDUCATIONAL DEV CORP | COM | 281479105 | — | 800,000 shares | $1,208,000 |
| JACOBS SOLUTIONS INC | COM | 46982L108 | — | 9,500 shares | $1,197,000 |
| LINDBLAD EXPEDITIONS HLDGS I | COM | 535219109 | — | 41,773 shares | $1,179,670 |
| ENTEGRIS INC | COM | 29362U104 | — | 6,500 shares | $1,169,090 |
| CLEAN HARBORS INC | COM | 184496107 | — | 3,900 shares | $1,165,125 |
| LOCKHEED MARTIN CORP | COM | 539830109 | — | 2,250 shares | $1,146,285 |
| 908 DEVICES INC | COM | 65443P102 | — | 120,000 shares | $1,044,000 |
| MASTEC INC | COM | 576323109 | — | 2,500 shares | $1,040,150 |
| BENTLEY SYS INC | COM CL B | 08265T208 | — | 33,825 shares | $1,011,029 |
| SURO CAPITAL CORP | COM NEW | 86887Q109 | — | 78,710 shares | $987,023 |
| BOEING CO | COM | 097023105 | — | 4,500 shares | $974,115 |
| BWX TECHNOLOGIES INC | COM | 05605H100 | — | 5,000 shares | $973,250 |
| QUEST DIAGNOSTICS INC | COM | 74834L100 | — | 4,500 shares | $953,775 |
| RTX CORPORATION | COM | 75513E101 | — | 5,000 shares | $948,650 |
| PARSONS CORP DEL | COM | 70202L102 | — | 18,000 shares | $943,020 |
| PHOTRONICS INC | COM | 719405102 | — | 28,000 shares | $910,840 |
| ELMET GROUP CO (THE) | COMMON STOCK | 289395105 | — | 45,818 shares | $904,447 |
| WASTE MGMT INC DEL | COM | 94106L109 | — | 4,000 shares | $891,520 |
| HEICO CORP NEW | COM | 422806109 | — | 2,500 shares | $890,475 |
| BROOKFIELD CORP | CL A LTD VT SH | 11271J107 | — | 20,136 shares | $857,592 |
| WATERS CORP | COM | 941848103 | — | 2,266 shares | $849,841 |
| VERIZON COMMUNICATIONS INC | COM | 92343V104 | — | 20,000 shares | $846,800 |
| LIGHTPATH TECHNOLOGIES INC | COM CL A | 532257805 | — | 51,000 shares | $833,850 |
| CORE MOLDING TECHNOLOGIES IN | COM | 218683100 | — | 35,000 shares | $826,000 |
| VAIL RESORTS INC | COM | 91879Q109 | — | 6,000 shares | $816,900 |
| SALESFORCE INC | COM | 79466L302 | — | 5,000 shares | $783,300 |
| MEDTRONIC PLC | SHS | G5960L103 | — | 10,000 shares | $782,300 |
| COMCAST CORP NEW | CL A | 20030N101 | — | 31,500 shares | $773,325 |
| COSTAR GROUP INC | COM | 22160N109 | — | 27,000 shares | $764,640 |
| GENIUS SPORTS LIMITED | SHARES CL A | G3934V109 | — | 125,000 shares | $757,500 |
| KLAVIYO INC | COM SER A | 49845K101 | — | 50,000 shares | $755,000 |
| SUPER MICRO COMPUTER INC | COM NEW | 86800U302 | — | 25,000 shares | $733,250 |
| QUANTA SVCS INC | COM | 74762E102 | — | 1,000 shares | $720,040 |
| BENTLEY SYS INC | COM CL B | 08265T208 | — | 24,075 shares | $719,602 |
| NETFLIX INC. | COM | 64110L106 | — | 10,000 shares | $714,000 |
| CHEVRON CORPORATION | COM | 166764100 | — | 4,250 shares | $704,480 |
| ADTRAN HOLDINGS INC | COM | 00486H105 | — | 50,000 shares | $695,000 |
| CENTURI HOLDINGS INC | COM SHS | 155923105 | — | 22,103 shares | $668,395 |
| CHEVRON CORPORATION | COM | 166764100 | — | 4,000 shares | $663,040 |