NEEDHAM INVESTMENT MANAGEMENT LLC - Stock Holdings in 13F Filings (SEC)
Updated on March 15, 2026.
Based on 13F Filings filed with the SEC on February 17, 2026, for the 2025 Q4 period, NEEDHAM INVESTMENT MANAGEMENT LLC held in its portfolio 162 assets valued at $1,582,400,856 (i.e. $1.58B).
The most valuable assets in the portfolio included: NLIGHT INC ($69.68M), VICOR CORP ($62.45M), and PDF SOLUTIONS INC ($56.06M).
The chart below shows the top 10 valuable assets, and the table below shows the top 162 valuable assets.
You can see similar for other investment managers.
Related Topics: SEC Topic List.
Data Source: SEC.
NEEDHAM INVESTMENT MANAGEMENT LLC - Stock Holdings in 13F Filings (SEC)
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| Name of Issuer | No. of Shares | Value ($) | Class |
|---|---|---|---|
| NLIGHT INC | 1857740 | 69683827 | COM |
| VICOR CORP | 569775 | 62447340 | COM |
| PDF SOLUTIONS INC | 1965000 | 56061450 | COM |
| ARTERIS INC | 3411500 | 52878250 | COM |
| VERTIV HOLDINGS CO | 285250 | 46213353 | COM CL A |
| SUPER MICRO COMPUTER INC | 1380000 | 40392600 | COM NEW |
| THREDUP INC | 6075000 | 38819250 | CL A |
| FORMFACTOR INC | 694500 | 38739210 | COM |
| NOVA LTD | 111750 | 36697583 | COM |
| VISHAY INTERTECHNOLOGY INC | 2375000 | 34413750 | COM |
| OIL DRI CORP AMER | 635000 | 31076900 | COM |
| GENIUS SPORTS LIMITED | 2690000 | 29643800 | SHARES CL A |
| LINCOLN EDL SVCS CORP | 1125000 | 27168750 | COM |
| COHERENT CORP | 137500 | 25378375 | COM |
| VISHAY PRECISION GROUP INC | 657500 | 25313750 | COM |
| PHOTRONICS INC | 775000 | 24800000 | COM |
| ASURE SOFTWARE INC | 2570000 | 24209400 | COM |
| THERMON GROUP HLDGS INC | 620000 | 23039200 | COM |
| VEECO INSTRS INC DEL | 805000 | 23006900 | COM |
| TETRA TECHNOLOGIES INC DEL | 2375000 | 22253750 | COM |
| VITAL FARMS INC | 685000 | 21878900 | COM |
| ARLO TECHNOLOGIES INC | 1540000 | 21544600 | COM |
| UNIVERSAL TECHNICAL INST INC | 807500 | 21099975 | COM |
| MKS INC. | 130500 | 20853900 | COM |
| CENTURI HOLDINGS INC | 797628 | 20140107 | COM SHS |
| PARSONS CORP DEL | 324000 | 20023200 | COM |
| CRA INTL INC | 98756 | 19819835 | COM |
| CECO ENVIRONMENTAL CORP | 298500 | 17865225 | COM |
| BRUKER CORP | 364650 | 17178663 | COM |
| HUNTINGTON INGALLS INDS INC | 50500 | 17173535 | COM |
| MATRIX SVC CO | 1435000 | 16789500 | COM |
| CLEAN HARBORS INC | 68856 | 16145355 | COM |
| ENTEGRIS INC | 191400 | 16125450 | COM |
| KLA CORP | 13000 | 15796040 | COM NEW |
| NVENT ELECTRIC PLC | 154500 | 15754365 | SHS |
| ASTRONICS CORP | 272500 | 14780400 | COM |
| THERMO FISHER SCIENTIFIC INC | 25250 | 14631113 | COM |
| LABCORP HOLDINGS INC | 56313 | 14127805 | COM SHS |
| AKAMAI TECHNOLOGIES INC | 156500 | 13654625 | COM |
| MARKEL GROUP INC | 6225 | 13381572 | COM |
| UNISYS CORP | 4812200 | 13281672 | COM NEW |
| BRIGHT HORIZONS FAM SOL IN D | 129000 | 13080600 | COM |
| TTM TECHNOLOGIES INC | 185250 | 12782250 | COM |
| ADTRAN HOLDINGS INC | 1447500 | 12578775 | COM |
| GORMAN RUPP CO | 260000 | 12415000 | COM |
| ASPEN AEROGELS INC | 4351700 | 12315311 | COM |
| WABTEC | 55750 | 11899838 | COM |
| VIASAT INC | 330600 | 11392476 | COM |
| EVERUS CONSTR GROUP | 126500 | 10823340 | COM |
| MDU RES GROUP INC | 542000 | 10579840 | COM |
| ECOVYST INC | 1020000 | 9924600 | COM |
| RESEARCH SOLUTIONS INC | 3145000 | 9246300 | COM |
| SOLSTICE ADVANCED MATLS INC | 175000 | 8501500 | COM SHS |
| MYR GROUP INC DEL | 38600 | 8434100 | COM |
| EQUINIX INC | 10750 | 8236220 | COM |
| SMITH MIDLAND CORP | 225000 | 8176500 | COM |
| SELECT WATER SOLUTIONS INC | 775000 | 8153000 | CL A COM |
| CAMTEK LTD | 75500 | 8029048 | ORD |
| VAIL RESORTS INC | 59000 | 7835200 | COM |
| JACOBS SOLUTIONS INC | 58000 | 7682680 | COM |
| TRANSCAT INC | 124370 | 7055510 | COM |
| COMCAST CORP NEW | 231500 | 6919535 | CL A |
| ABRDN LIFE SCIENCES INVESTOR | 403364 | 6768448 | SH BEN INT |
| GILEAD SCIENCES INC | 55000 | 6750700 | COM |
| COGNEX CORP | 173000 | 6224540 | COM |
| BWX TECHNOLOGIES INC | 36000 | 6222240 | COM |
| COMTECH TELECOMMUNICATIONS C | 1174300 | 6212047 | COM NEW |
| ASML HOLDING N V | 5500 | 5884230 | N Y REGISTRY SHS |
| TERADYNE INC | 30000 | 5806800 | COM |
| BOX INC | 190000 | 5682900 | CL A |
| NORTHERN TECHNOLOGIES INTL C | 713257 | 5584802 | COM |
| ABRDN HEALTHCARE INVESTORS | 291930 | 5529154 | SH BEN INT |
| ROGERS CORP | 60000 | 5494200 | COM |
| SITIME CORP | 15500 | 5474445 | COM |
| HARMONIC INC | 545000 | 5390050 | COM |
| HONEYWELL INTL INC | 27500 | 5364975 | COM |
| BENTLEY SYS INC | 140000 | 5343100 | COM CL B |
| MEDTRONIC PLC | 53041 | 5095118 | SHS |
| CORE MOLDING TECHNOLOGIES IN | 253350 | 5079668 | COM |
| CRH PLC | 40700 | 5079360 | ORD |
| APPLE INC | 18450 | 5015817 | COM |
| CARMAX INC | 129500 | 5003880 | COM |
| TENNANT CO | 67500 | 4974750 | COM |
| NAVIGATOR HLDGS LTD | 286000 | 4953520 | SHS |
| BOEING CO | 22500 | 4885200 | COM |
| ENERGY SVCS ACQUISITION CORP | 585440 | 4783045 | COM |
| ENCOMPASS HEALTH CORP | 45000 | 4776300 | COM |
| GENERAC HLDGS INC | 34500 | 4704765 | COM |
| BADGER METER INC | 25000 | 4360250 | COM |
| LAM RESEARCH CORP | 25000 | 4279500 | COM NEW |
| ATLANTA BRAVES HLDGS INC | 105000 | 4142250 | COM SER C |
| MARVELL TECHNOLOGY INC | 48250 | 4100285 | COM |
| COSTAR GROUP INC | 60500 | 4068020 | COM |
| 908 DEVICES INC | 770000 | 4042500 | COM |
| SURO CAPITAL CORP | 426594 | 4027047 | COM NEW |
| EVOLV TECHNOLOGIES HLDNGS IN | 550000 | 3938000 | COM CL A |
| CORNING INC | 42000 | 3677520 | COM |
| CEVA INC | 160000 | 3443200 | COM |
| COHU INC | 145000 | 3374150 | COM |
| MODINE MFG CO | 25000 | 3337750 | COM |
| CRYOPORT INC | 339500 | 3259200 | COM PAR $0.001 |
| BECTON DICKINSON & CO | 16750 | 3250673 | COM |
| LEMAITRE VASCULAR INC | 40000 | 3244000 | COM |
| BROOKFIELD CORP | 69440 | 3186602 | CL A LTD VT SH |
| LIFE TIME GROUP HOLDINGS INC | 115000 | 3056700 | COMMON STOCK |
| PRECISION OPTICS CORP INC MA | 720000 | 3013200 | COM NEW |
| ICHOR HOLDINGS | 158000 | 2911940 | SHS |
| LEGENCE CORP | 67500 | 2905200 | CL A |
| AIR LEASE CORP | 45000 | 2890351 | CL A |
| ALPHA PRO TECH LTD | 642500 | 2852700 | COM |
| MATTHEWS INTL CORP | 106000 | 2768720 | CL A |
| KVH INDS INC | 390000 | 2718300 | COM |
| ANALOG DEVICES INC | 10000 | 2712000 | COM |
| QNITY ELECTRONICS INC | 32500 | 2653625 | COMMON STOCK |
| CHART INDS INC | 12500 | 2577875 | COM |
| FIGURE TECHNOLOGY SOLUTIO | 61674 | 2518766 | COM CL A |
| MAXLINEAR INC | 140000 | 2440200 | COM |
| WATERBRIDGE INFRASTRUCTURE L | 110000 | 2201100 | CL A SHS REPSTG |
| CARTERS INC | 67500 | 2189025 | COM |
| APPLIED MATLS INC | 8250 | 2120168 | COM |
| KLAVIYO INC | 65000 | 2110550 | COM SER A |
| PENGUIN SOLUTIONS INC | 102500 | 2004900 | COM |
| THE TRADE DESK INC | 51000 | 1935960 | COM CL A |
| HEWLETT PACKARD ENTERPRISE C | 74000 | 1777480 | COM |
| AXCELIS TECHNOLOGIES INC | 20000 | 1606800 | COM NEW |
| ULTRA CLEAN HLDGS INC | 60000 | 1519800 | COM |
| RTX CORPORATION | 7600 | 1393840 | COM |
| RAPID7 INC | 90000 | 1368000 | COM |
| FIREFLY AEROSPACE INC | 60000 | 1342200 | COM |
| QUEST DIAGNOSTICS INC | 7500 | 1301475 | COM |
| CHEVRON CORP NEW | 8250 | 1257383 | COM |
| ALPHABET INC | 4000 | 1252000 | CAP STK CL A |
| COMMERCE.COM INC | 282500 | 1163900 | COM SER 1 |
| EDUCATIONAL DEV CORP | 800000 | 1056000 | COM |
| ALLEGRO MICROSYSTEMS INC | 40000 | 1055200 | COM |
| HINGE HEALTH INC | 22500 | 1045125 | CL A |
| POWER INTEGRATIONS INC | 25400 | 902716 | COM |
| MOBILEYE GLOBAL INC | 80000 | 835200 | COMMON CLASS A |
| WASTE MGMT INC DEL | 3750 | 823913 | COM |
| SOUTHWEST AIRLS CO | 19850 | 820401 | COM |
| VERIZON COMMUNICATIONS INC | 20000 | 814600 | COM |
| LINDBLAD EXPEDITIONS HLDGS I | 52223 | 753056 | COM |
| EXTREME NETWORKS | 45000 | 749250 | COM |
| MERCURY SYS INC | 10000 | 730100 | COM |
| DUPONT DE NEMOURS INC | 17500 | 703500 | COM |
| CROWDSTRIKE HLDGS INC | 1500 | 703140 | CL A |
| BROOKFIELD ASSET MANAGMT LTD | 12570 | 658542 | CL A LMT VTG SHS |
| FORTREA HLDGS INC | 37763 | 651412 | COMMON STOCK |
| ALIGHT INC | 300000 | 585000 | COM CL A |
| FREQUENCY ELECTRS INC | 10000 | 538400 | COM |
| NETSKOPE INC | 30000 | 526200 | CL A |
| LOCKHEED MARTIN CORP | 1000 | 483670 | COM |
| ENHABIT INC | 50000 | 461000 | COM |
| CIRCLE INTERNET GROUP INC | 5412 | 429172 | COM CL A |
| CLEANSPARK INC | 40000 | 404800 | COM NEW |
| UGI CORP NEW | 10000 | 374300 | COM |
| PURE STORAGE INC | 5000 | 335050 | CL A |
| KIMBELL RTY PARTNERS LP | 25424 | 298986 | UNIT |
| CAREDX INC | 15000 | 282600 | COM |
| STANDARD BIOTOOLS INC | 209435 | 268077 | COM |
| SLB LIMITED | 5500 | 211090 | COM STK |
| KINDERCARE LEARNING COMPANIE | 40810 | 176299 | COM |
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