Needham Investment Management LLC

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 15, 2025), Needham Investment Management LLC reported 150 stock positions worth $1.1 billion. Its top holding was Super Micro Computer (SMCI) at 4.6% of the portfolio, followed by Vicor (VICR, 3.4%) and PDF Solutions (PDFS, 3.3%). Compared with Q4 2024, it opened 7 new positions, sold out of 7, added to 31 and reduced 55. The biggest buy was Super Micro Computer (SMCI, shares +2%) and the biggest sale an exit from Altair Engineering Class A (ALTR).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001167212
Portfolio Value
$1.1B (Q1 2025)
SEC Filing
0000919574-25-003041 ↗ filed May 15, 2025

Holdings Value

0$1.0B$2.0B$3.0B$4.0B Q1 2024: $1.1B Q1 2024 Q2 2024: $1.2B Q2 2024 Q3 2024: $1.3B Q3 2024 Q4 2024: $1.3B Q4 2024 Q1 2025: $1.1B $1.1B Q1 2025 Q2 2025: $1.3B Q2 2025 Q3 2025: $1.4B Q3 2025 Q4 2025: $1.6B Q4 2025 Q1 2026: $2.0B Q1 2026 Q2 2026: $3.3B Q2 2026

Holdings 150 stocks · $1.1B
SMCI Super Micro Computer Inc. 4.60% 1,432,500 $49.0M Add +1.6%
VICR Vicor Corp. 3.39% 774,000 $36.2M Reduce -11.4%
PDFS PDF Solutions Inc. 3.34% 1,865,000 $35.6M Add +2.6%
FARO Faro Technologies Inc. 2.61% 1,018,375 $27.8M Reduce -1.0%
NVMI Nova Ltd. 2.43% 140,750 $25.9M Reduce -17.1%
ODC Oil-Dri Corp. of America 2.42% 561,500 $25.8M Add +0.3%
UIS Unisys Corp. 2.39% 5,559,800 $25.5M Add +4.2%
ASUR Asure Software Inc. 2.23% 2,495,000 $23.8M No change
GENI Genius Sports Ltd. 2.19% 2,335,000 $23.4M No change
VSH Vishay Intertechnology Inc. 2.19% 1,466,600 $23.3M Add +3.7%
VRT Vertiv Holdings Co. Class A 1.93% 284,750 $20.6M Reduce -0.1%
ENTG Entegris Inc. 1.91% 233,000 $20.4M Reduce -2.9%
LASR Nlight Inc. 1.86% 2,560,490 $19.9M Reduce -3.5%
AIP Arteris Inc. 1.82% 2,812,500 $19.4M Add +2.5%
FORM Formfactor Inc. 1.76% 665,000 $18.8M Add +6.3%
THR Thermon Group Holdings Inc. 1.68% 642,500 $17.9M Reduce -1.9%
MTRX Matrix Service Co. 1.65% 1,420,000 $17.7M No change
ASPN Aspen Aerogels Inc. 1.64% 2,737,200 $17.5M Add +14.5%
PSN Parsons Corp. 1.62% 292,250 $17.3M Add +5.5%
VPG Vishay Precision Group 1.55% 685,200 $16.5M No change
AKAM Akamai Technologies Inc. 1.49% 197,500 $15.9M Add +1.3%
PLAB Photronics Inc. 1.46% 750,000 $15.6M Reduce -2.6%
VITL Vital Farms Inc. 1.44% 505,000 $15.4M Add +11.0%
TDUP Thredup Inc. Class A 1.43% 6,350,000 $15.3M Reduce -0.3%
VECO Veeco Instruments Inc. 1.36% 721,000 $14.5M Reduce -1.4%
CRAI Cra International Inc. 1.35% 83,250 $14.4M No change
BFAM Bright Horizons Family Solut 1.28% 107,500 $13.7M Reduce -4.0%
TMO Thermo Fisher Scientific Inc. 1.24% 26,500 $13.2M Reduce -9.4%
LH Labcorp Holdings Inc. 1.23% 56,563 $13.2M Reduce -3.9%
ARLO Arlo Technologies Inc. 1.20% 1,297,500 $12.8M Add +0.2%
CLH Clean Harbors Inc. 1.12% 60,906 $12.0M Add +0.3%
HII Huntington Ingalls Industrie 1.04% 54,500 $11.1M Add +1.4%
KLAC KLA Corp. 1.02% 16,000 $10.9M No change
COHR Coherent Corp. 1.01% 166,000 $10.8M Reduce -0.3%
KMX Carmax Inc. 1.00% 137,500 $10.7M Reduce -3.5%
WAB Wabtec Corp. 0.99% 58,000 $10.5M No change
MKSI MKS Inc. filed as MKS INSTRS INC 0.97% 128,750 $10.3M Reduce -0.2%
TTMI TTM Technologies 0.92% 476,750 $9.8M Reduce -2.7%
ADTN Adtran Holdings Inc. 0.92% 1,120,000 $9.8M Reduce -10.0%
LINC Lincoln Educational Services 0.90% 605,000 $9.6M No change
BRKR Bruker Corp. 0.90% 230,000 $9.6M Reduce -2.5%
KVYO Klaviyo Inc. Class A 0.88% 309,000 $9.4M Reduce -1.9%
MKL Markel Group Inc. 0.87% 4,950 $9.3M No change
CMCSA Comcast Corp. Class A 0.83% 239,500 $8.8M Reduce -11.0%
NVT Nvent Electric PLC 0.77% 157,500 $8.3M Reduce -1.6%
UTI Universal Technical Institut 0.74% 306,000 $7.9M No change
MDU Mdu Resources Group Inc. 0.73% 459,000 $7.8M Reduce -0.4%
RSSS Research Solutions Inc. 0.71% 2,930,000 $7.6M Add +1.7%
CALX Calix Inc. 0.70% 212,000 $7.5M Reduce -22.9%
CTRI Centuri Holdings Inc. 0.69% 447,628 $7.3M No change
LGTY Logility Supply Chain Soluti 0.61% 460,000 $6.6M Reduce -76.8%
SMID Smith-Midland Corp. 0.61% 211,000 $6.6M No change
ATRO Astronics Corp. 0.61% 267,500 $6.5M No change
GILD Gilead Sciences Inc. 0.60% 57,500 $6.4M Reduce -10.2%
EQIX Equinix Inc. 0.59% 7,700 $6.3M Reduce -1.3%
ECVT Ecovyst Inc. 0.53% 920,000 $5.7M No change
NTIC Northern Technologies Intl 0.51% 525,500 $5.5M No change
HLIT Harmonic Inc. 0.51% 565,000 $5.4M Reduce -13.1%
EHC Encompass Health Corp. 0.47% 50,000 $5.1M No change
TER Teradyne Inc. 0.47% 60,500 $5.0M Add +27.4%
KVHI KVH Industries Inc. 0.46% 926,545 $4.9M Reduce -16.9%
CRI Carter's Inc. 0.46% 119,500 $4.9M Reduce -23.8%
GRC Gorman-Rupp Co. 0.46% 138,500 $4.9M No change
TRNS Transcat Inc. 0.45% 65,000 $4.8M Add +28.2%
HQL Abrdn Life Sciences Investor 0.45% 378,654 $4.8M Add +7.3%
HON Honeywell International Inc. 0.45% 22,500 $4.8M No change
CGNX Cognex Corp. 0.43% 155,500 $4.6M Reduce -21.3%
MDT Medtronic PLC 0.43% 51,041 $4.6M No change
ECG Everus Construction Group 0.42% 122,000 $4.5M Add +5.9%
HQH Abrdn Healthcare Investors 0.40% 264,473 $4.3M Add +3.7%
AAPL Apple Inc. 0.40% 19,050 $4.2M Reduce -7.3%
NVGS Navigator Holdings Ltd. 0.38% 305,000 $4.1M Reduce -0.3%
SITM Sitime Corp. 0.38% 26,500 $4.1M Reduce -0.9%
TTD Trade Desk Inc./the Class A filed as THE TRADE DESK INC 0.37% 73,000 $4.0M Add +15.9%
BDX Becton Dickinson and Co. 0.36% 17,000 $3.9M Reduce -6.8%
CMT Core Molding Technologies Inc. 0.36% 255,000 $3.9M No change
BA The Boeing Co. 0.36% 22,500 $3.8M No change
BSY Bentley Systems Inc. Class B 0.36% 97,500 $3.8M No change
ROG Rogers Corp. 0.35% 55,000 $3.7M Reduce -4.3%
VSAT Viasat Inc. 0.35% 355,100 $3.7M No change
ASML ASML Holding NV-NY Reg SHS 0.34% 5,500 $3.6M No change
MRVL Marvell Technology Inc. 0.33% 57,000 $3.5M Reduce -5.0%
GTLS Chart Industries Inc. 0.32% 24,000 $3.5M No change
MTN Vail Resorts Inc. 0.32% 21,500 $3.4M No change
MYRG MYR Group Inc./Delaware 0.32% 30,000 $3.4M No change
LMAT Lemaitre Vascular Inc. 0.30% 38,500 $3.2M No change
APT Alpha Pro Tech Ltd. 0.29% 612,500 $3.1M No change
POCI Precision Optics Corp. Inc. 0.27% 700,000 $2.9M Add +63.7%
CRH CRH PLC 0.27% 33,000 $2.9M Reduce -5.7%
CAMT Camtek Ltd. 0.26% 47,500 $2.8M New
BMI Badger Meter Inc. 0.26% 14,500 $2.8M Reduce -17.9%
CMTL Comtech Telecommunications 0.25% 1,688,400 $2.7M Reduce -5.2%
J Jacobs Solutions Inc. 0.24% 21,500 $2.6M Add +65.4%
CMRC Commerce.com Inc. filed as BIGCOMMERCE HLDGS INC 0.24% 450,000 $2.6M Reduce -10.0%
AL Sumisho Air Lease Corp. filed as AIR LEASE CORP 0.23% 51,500 $2.5M Reduce -1.9%
DD Dupont DE Nemours Inc. 0.23% 32,500 $2.4M No change
BN Brookfield Corp. 0.23% 46,294 $2.4M No change
CEVA Ceva Inc. 0.22% 92,000 $2.4M Reduce -20.0%
RPD RAPID7 Inc. 0.20% 80,000 $2.1M Add +6.7%
ADI Analog Devices Inc. 0.19% 10,000 $2.0M No change

Show all 150 holdings

Portfolio Sells Q4 2024 → Q1 2025
ALTR Altair Engineering Inc. Class A Sold out 0.00% −1.89
LGTY Logility Supply Chain Soluti Reduce -76.8% 0.61% −1.08
VRT Vertiv Holdings Co. Class A Reduce -0.1% 1.93% −0.57
AE Adams Resources & Energy Inc. Sold out 0.00% −0.55
CMTL Comtech Telecommunications Reduce -5.2% 0.25% −0.30
LASR Nlight Inc. Reduce -3.5% 1.86% −0.28
MATV Mativ Holdings Inc. Reduce -65.0% 0.09% −0.28
COHR Coherent Corp. Reduce -0.3% 1.01% −0.21
CRI Carter's Inc. Reduce -23.8% 0.46% −0.20
LUNA Luna Innovations Inc. Sold out 0.00% −0.20
MXL Maxlinear Inc. Reduce -33.3% 0.15% −0.19
MRVL Marvell Technology Inc. Reduce -5.0% 0.33% −0.18
BRKR Bruker Corp. Reduce -2.5% 0.90% −0.17
AXTI Axt Inc. Reduce -58.1% 0.08% −0.16
HLIT Harmonic Inc. Reduce -13.1% 0.51% −0.16
VECO Veeco Instruments Inc. Reduce -1.4% 1.36% −0.15
NVMI Nova Ltd. Reduce -17.1% 2.43% −0.15
PLOW Douglas Dynamics Inc. Sold out 0.00% −0.13
KVYO Klaviyo Inc. Class A Reduce -1.9% 0.88% −0.13
CGNX Cognex Corp. Reduce -21.3% 0.43% −0.11
ROG Rogers Corp. Reduce -4.3% 0.35% −0.10
MKSI MKS Inc. Reduce -0.2% 0.97% −0.07
NSIT Insight Enterprises Inc. Reduce -56.0% 0.08% −0.07
NVT Nvent Electric PLC Reduce -1.6% 0.77% −0.07
SITM Sitime Corp. Reduce -0.9% 0.38% −0.06
CEVA Ceva Inc. Reduce -20.0% 0.22% −0.06
CLFD Clearfield Inc. Sold out 0.00% −0.05
LAB Standard Biotools Inc. Reduce -27.2% 0.05% −0.04
CALX Calix Inc. Reduce -22.9% 0.70% −0.04
ALGM Allegro Microsystems Inc. Reduce -44.4% 0.12% −0.03
KVHI KVH Industries Inc. Reduce -16.9% 0.46% −0.03
BMI Badger Meter Inc. Reduce -17.9% 0.26% −0.03
DDOG Datadog Inc. Class A Sold out 0.00% −0.02
TTMI TTM Technologies Reduce -2.7% 0.92% −0.02
IOT Samsara Inc. Class A Sold out 0.00% −0.02
GOOGL Alphabet Inc. Class A Reduce -20.0% 0.06% −0.01
CRWD CrowdStrike Holdings Inc. Class A Reduce -25.0% 0.05% −0.00
AAPL Apple Inc. Reduce -7.3% 0.40% −0.00
CMRC Commerce.com Inc. Reduce -10.0% 0.24% +0.01
MRCY Mercury Systems Inc. Reduce -8.3% 0.11% +0.01
GLW Corning Inc. Reduce -6.6% 0.18% +0.02
NVGS Navigator Holdings Ltd. Reduce -0.3% 0.38% +0.02
EQIX Equinix Inc. Reduce -1.3% 0.59% +0.02
CRH CRH PLC Reduce -5.7% 0.27% +0.02
DGX Quest Diagnostics Inc. Reduce -8.8% 0.12% +0.02
CVX Chevron Corp. Reduce -2.8% 0.14% +0.04
AL Sumisho Air Lease Corp. Reduce -1.9% 0.23% +0.04
BDX Becton Dickinson and Co. Reduce -6.8% 0.36% +0.05
CMCSA Comcast Corp. Class A Reduce -11.0% 0.83% +0.05
PLAB Photronics Inc. Reduce -2.6% 1.46% +0.06

Portfolio Buys Q4 2024 → Q1 2025
SMCI Super Micro Computer Inc. Add +1.6% 4.60% +1.28
ODC Oil-Dri Corp. of America Add +0.3% 2.42% +0.52
VSH Vishay Intertechnology Inc. Add +3.7% 2.19% +0.34
CAMT Camtek Ltd. New 0.26% +0.26
HII Huntington Ingalls Industrie Add +1.4% 1.04% +0.26
TTI Tetra Technologies Inc. New 0.15% +0.15
VITL Vital Farms Inc. Add +11.0% 1.44% +0.12
POCI Precision Optics Corp. Inc. Add +63.7% 0.27% +0.11
J Jacobs Solutions Inc. Add +65.4% 0.24% +0.11
MATW Matthews Intl Corp. Class A New 0.10% +0.10
HQL Abrdn Life Sciences Investor Add +7.3% 0.45% +0.09
HQH Abrdn Healthcare Investors Add +3.7% 0.40% +0.09
P Everpure Inc. Class A New 0.08% +0.08
ARLO Arlo Technologies Inc. Add +0.2% 1.20% +0.08
AKAM Akamai Technologies Inc. Add +1.3% 1.49% +0.05
CLH Clean Harbors Inc. Add +0.3% 1.12% +0.05
APLD Applied Digital Corp. New 0.04% +0.04
TRNS Transcat Inc. Add +28.2% 0.45% +0.04
EXTR Extreme Networks Inc. New 0.03% +0.03
MBLY Mobileye Global Inc. Class A Add +54.0% 0.10% +0.03
LINE Lineage Inc. Add +21.7% 0.08% +0.03
POWI Power Integrations Inc. New 0.02% +0.02
NSLR Neostellar Capital Corp. Add +12.2% 0.18% +0.02
ESOA Energy Services of America Add +33.3% 0.09% +0.02
CYRX Cryoport Inc. Add +13.7% 0.16% +0.01
TER Teradyne Inc. Add +27.4% 0.47% +0.01
KLC Kindercare Learning Cos Inc. Add +17.3% 0.08% −0.01
HPE Hewlett Packard Enterprise Add +1.8% 0.12% −0.01
RPD RAPID7 Inc. Add +6.7% 0.20% −0.03
ECG Everus Construction Group Add +5.9% 0.42% −0.16
TTD Trade Desk Inc./the Class A Add +15.9% 0.37% −0.20
RSSS Research Solutions Inc. Add +1.7% 0.71% −0.21
UIS Unisys Corp. Add +4.2% 2.39% −0.21
AIP Arteris Inc. Add +2.5% 1.82% −0.34
PSN Parsons Corp. Add +5.5% 1.62% −0.35
FORM Formfactor Inc. Add +6.3% 1.76% −0.36
PDFS PDF Solutions Inc. Add +2.6% 3.34% −0.46
ASPN Aspen Aerogels Inc. Add +14.5% 1.64% −0.55

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 176$3.3BVICR, AIP, VSH, PDFS, LASR
Q1 2026 176$2.0BLASR, VICR, VRT, PDFS, AIP
Q4 2025 162$1.6BLASR, VICR, PDFS, AIP, VRT
Q3 2025 161$1.4BSMCI, TDUP, LASR, PDFS, VRT
Q2 2025 150$1.3BSMCI, TDUP, PDFS, VRT, LASR
Q1 2025 150$1.1BSMCI, VICR, PDFS, FARO, NVMI
Q4 2024 150$1.3BPDFS, SMCI, VICR, UIS, NVMI
Q3 2024 146$1.3BASPN, PDFS, SMCI, VICR, NVMI
Q2 2024 141$1.2BSMCI, ASPN, PDFS, NVMI, FORM
Q1 2024 131$1.1BSMCI, ASPN, PDFS, ENTG, NVMI