Needham Investment Management LLC

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 14, 2024), Needham Investment Management LLC reported 141 stock positions worth $1.2 billion. Its top holding was Super Micro Computer (SMCI) at 8.4% of the portfolio, followed by Aspen Aerogels (ASPN, 4.5%) and PDF Solutions (PDFS, 4.0%). Compared with Q1 2024, it opened 13 new positions, sold out of 3, added to 66 and reduced 17. The biggest buy was Vishay Intertechnology (VSH, shares +1545%) and the biggest sale MKS (MKSI, shares −29%).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001167212
Portfolio Value
$1.2B (Q2 2024)
SEC Filing
0000919574-24-004560 ↗ filed Aug 14, 2024

Holdings Value

0$1.0B$2.0B$3.0B$4.0B Q1 2024: $1.1B Q1 2024 Q2 2024: $1.2B $1.2B Q2 2024 Q3 2024: $1.3B Q3 2024 Q4 2024: $1.3B Q4 2024 Q1 2025: $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 141 stocks · $1.2B
SMCI Super Micro Computer Inc. 8.39% 124,700 $102.2M No change
ASPN Aspen Aerogels Inc. 4.51% 2,299,729 $54.8M Reduce -23.4%
PDFS PDF Solutions Inc. 3.98% 1,330,000 $48.4M Add +18.8%
NVMI Nova Ltd. 3.38% 175,500 $41.2M Reduce -4.4%
FORM Formfactor Inc. 2.84% 571,000 $34.6M Reduce -9.4%
ENTG Entegris Inc. 2.60% 233,500 $31.6M No change
VICR Vicor Corp. 2.41% 885,000 $29.3M Add +13.5%
VECO Veeco Instruments Inc. 2.34% 611,000 $28.5M Add +8.6%
LASR Nlight Inc. 1.96% 2,182,740 $23.9M Add +21.1%
VRT Vertiv Holdings Co. Class A 1.86% 261,500 $22.6M Add +6.1%
PSN Parsons Corp. 1.66% 247,500 $20.2M Add +13.1%
VSH Vishay Intertechnology Inc. 1.66% 905,000 $20.2M Add +1545.5%
UIS Unisys Corp. 1.65% 4,865,000 $20.1M Add +23.5%
VITL Vital Farms Inc. 1.60% 417,500 $19.5M Add +19.3%
VPG Vishay Precision Group 1.60% 640,000 $19.5M Add +17.4%
ALTR Altair Engineering Inc. Class A 1.56% 194,000 $19.0M Add +32.2%
AIP Arteris Inc. 1.47% 2,385,000 $17.9M Add +37.5%
PLAB Photronics Inc. 1.45% 714,300 $17.6M Add +10.8%
ASUR Asure Software Inc. 1.37% 1,980,000 $16.6M Add +43.0%
THR Thermon Group Holdings Inc. 1.35% 535,000 $16.5M Add +33.8%
TMO Thermo Fisher Scientific Inc. 1.33% 29,250 $16.2M No change
MKSI MKS Inc. filed as MKS INSTRS INC 1.32% 123,000 $16.1M Reduce -28.9%
ODC Oil-Dri Corp. of America 1.27% 241,500 $15.5M Add +23.9%
FARO Faro Technologies Inc. 1.13% 857,950 $13.7M Add +72.6%
CLH Clean Harbors Inc. 1.13% 60,606 $13.7M Add +0.4%
CRAI Cra International Inc. 1.10% 78,000 $13.4M Add +6.8%
KLAC KLA Corp. 1.08% 16,000 $13.2M No change
LGTY Logility Supply Chain Soluti filed as AMER SOFTWARE INC 1.08% 1,435,000 $13.1M Add +47.2%
ARLO Arlo Technologies Inc. 1.05% 980,000 $12.8M Add +30.7%
COHR Coherent Corp. 1.03% 173,000 $12.5M Reduce -5.5%
AKAM Akamai Technologies Inc. 1.00% 135,000 $12.2M Add +104.5%
LH Labcorp Holdings Inc. 0.98% 58,863 $12.0M No change
BFAM Bright Horizons Family Solut 0.96% 106,500 $11.7M Add +19.0%
CRI Carter's Inc. 0.96% 187,750 $11.6M Add +46.4%
GENI Genius Sports Ltd. 0.94% 2,100,000 $11.4M Add +64.7%
KMX Carmax Inc. 0.91% 151,000 $11.1M Add +14.2%
CGNX Cognex Corp. 0.88% 229,500 $10.7M Add +9.8%
CMCSA Comcast Corp. Class A 0.87% 270,000 $10.6M No change
TTMI TTM Technologies 0.84% 528,800 $10.3M Reduce -34.2%
MTRX Matrix Service Co. 0.84% 1,025,000 $10.2M Add +45.4%
HII Huntington Ingalls Industrie 0.81% 40,000 $9.9M Add +239.0%
TDUP Thredup Inc. Class A 0.81% 5,785,000 $9.8M Add +18.1%
WAB Wabtec Corp. 0.75% 58,000 $9.2M No change
NVT Nvent Electric PLC 0.69% 110,000 $8.4M Add +74.6%
BRKR Bruker Corp. 0.68% 130,000 $8.3M Add +95.5%
KVYO Klaviyo Inc. Class A 0.64% 315,000 $7.8M Add +12.5%
ZUO Zuora Inc. Class A 0.63% 772,500 $7.7M No change
ADTN Adtran Holdings Inc. 0.61% 1,410,000 $7.4M Add +21.0%
MATV Mativ Holdings Inc. 0.60% 430,000 $7.3M Add +29.3%
HLIT Harmonic Inc. 0.58% 600,000 $7.1M Add +33.3%
RSSS Research Solutions Inc. 0.57% 2,725,000 $6.9M Add +35.4%
NTIC Northern Technologies Intl 0.56% 415,000 $6.9M Add +3.8%
ECVT Ecovyst Inc. 0.54% 730,000 $6.5M Add +46.0%
AAPL Apple Inc. 0.53% 30,750 $6.5M No change
KVHI KVH Industries Inc. 0.53% 1,391,600 $6.5M Reduce -23.9%
CALX Calix Inc. 0.51% 175,000 $6.2M Add +250.0%
SITM Sitime Corp. 0.48% 47,000 $5.8M Add +25.7%
CTRI Centuri Holdings Inc. 0.48% 297,628 $5.8M New
AE Adams Resources & Energy Inc. 0.48% 206,500 $5.8M Reduce -1.7%
TTD Trade Desk Inc./the Class A filed as THE TRADE DESK INC 0.47% 59,000 $5.8M Add +3.5%
MDU Mdu Resources Group Inc. 0.44% 215,000 $5.4M New
NVGS Navigator Holdings Ltd. 0.44% 306,000 $5.3M No change
AXTI Axt Inc. 0.43% 1,541,050 $5.2M Reduce -1.9%
SMID Smith-Midland Corp. 0.42% 185,000 $5.1M Add +1.4%
LITE Lumentum Holdings Inc. 0.42% 100,000 $5.1M Add +66.7%
ASML ASML Holding NV-NY Reg SHS 0.42% 4,950 $5.1M No change
ATRO Astronics Corp. 0.40% 245,000 $4.9M Add +11.4%
HQL Abrdn Life Sciences Investor 0.40% 341,815 $4.8M Add +3.5%
ROG Rogers Corp. 0.40% 40,000 $4.8M Add +33.3%
HON Honeywell International Inc. 0.39% 22,500 $4.8M No change
MXL Maxlinear Inc. 0.39% 237,500 $4.8M No change
EQIX Equinix Inc. 0.39% 6,250 $4.7M Add +101.6%
VSAT Viasat Inc. 0.38% 367,500 $4.7M Add +41.4%
UTI Universal Technical Institut 0.37% 290,000 $4.6M New
TER Teradyne Inc. 0.37% 30,000 $4.4M Add +44.6%
GILD Gilead Sciences Inc. 0.36% 64,000 $4.4M No change
HQH Abrdn Healthcare Investors 0.35% 247,349 $4.3M Add +3.5%
MRVL Marvell Technology Inc. 0.35% 61,500 $4.3M Add +34.4%
EHC Encompass Health Corp. 0.35% 50,000 $4.3M No change
BDX Becton Dickinson and Co. 0.35% 18,250 $4.3M No change
MKL Markel Group Inc. 0.34% 2,650 $4.2M Add +20.4%
LINC Lincoln Educational Services 0.34% 350,000 $4.2M New
BA The Boeing Co. 0.34% 22,500 $4.1M No change
CMT Core Molding Technologies Inc. 0.33% 255,000 $4.1M No change
MDT Medtronic PLC 0.33% 51,041 $4.0M No change
CMTL Comtech Telecommunications 0.32% 1,275,000 $3.9M Add +96.2%
FEIM Frequency Electronics Inc. 0.31% 407,850 $3.7M No change
GNRC Generac Holdings Inc. 0.30% 27,500 $3.6M Reduce -26.7%
APT Alpha Pro Tech Ltd. 0.27% 602,500 $3.3M Add +72.1%
TRNS Transcat Inc. 0.27% 27,500 $3.3M No change
CMRC Commerce.com Inc. filed as BIGCOMMERCE HLDGS INC 0.26% 400,000 $3.2M No change
LMAT Lemaitre Vascular Inc. 0.26% 38,500 $3.2M No change
INFN Infinera Corp. 0.25% 500,000 $3.0M Reduce -28.6%
CEVA Ceva Inc. 0.24% 150,000 $2.9M New
CIEN Ciena Corp. 0.24% 60,000 $2.9M Add +20.0%
GTLS Chart Industries Inc. 0.24% 20,000 $2.9M Add +33.3%
LRCX Lam Research Corp. 0.22% 2,500 $2.7M No change
CRH CRH PLC 0.22% 35,000 $2.6M Add +10.2%
AL Sumisho Air Lease Corp. filed as AIR LEASE CORP 0.20% 52,500 $2.5M No change
HA Hawaiian Holdings Inc. 0.20% 200,000 $2.5M No change

Show all 141 holdings

Portfolio Sells Q1 2024 → Q2 2024
MKSI MKS Inc. Reduce -28.9% 1.32% −0.82
ASPN Aspen Aerogels Inc. Reduce -23.4% 4.51% −0.40
KVHI KVH Industries Inc. Reduce -23.9% 0.53% −0.34
TTMI TTM Technologies Reduce -34.2% 0.84% −0.32
AXTI Axt Inc. Reduce -1.9% 0.43% −0.24
P Everpure Inc. Class A Reduce -83.3% 0.05% −0.24
CMBMF Cambium Networks Corp. Reduce -4.9% 0.18% −0.15
INFN Infinera Corp. Reduce -28.6% 0.25% −0.14
GNRC Generac Holdings Inc. Reduce -26.7% 0.30% −0.14
LAB Standard Biotools Inc. Reduce -12.4% 0.14% −0.14
AE Adams Resources & Energy Inc. Reduce -1.7% 0.48% −0.09
YEXT Yext Inc. Reduce -14.3% 0.12% −0.06
AEIS Advanced Energy Industries Sold out 0.00% −0.05
BHE Benchmark Electronics Inc. Sold out 0.00% −0.03
VCSA Vacasa Inc. Class A Sold out 0.00% −0.03
IVAC Intevac Inc. Reduce -31.0% 0.03% −0.02
BMI Badger Meter Inc. Reduce -7.4% 0.19% −0.01
COHR Coherent Corp. Reduce -5.5% 1.03% −0.00
FORM Formfactor Inc. Reduce -9.4% 2.84% +0.17
NVMI Nova Ltd. Reduce -4.4% 3.38% +0.36

Portfolio Buys Q1 2024 → Q2 2024
VSH Vishay Intertechnology Inc. Add +1545.5% 1.66% +1.54
VITL Vital Farms Inc. Add +19.3% 1.60% +0.85
VECO Veeco Instruments Inc. Add +8.6% 2.34% +0.51
HII Huntington Ingalls Industrie Add +239.0% 0.81% +0.49
CTRI Centuri Holdings Inc. New 0.48% +0.48
PDFS PDF Solutions Inc. Add +18.8% 3.98% +0.47
MDU Mdu Resources Group Inc. New 0.44% +0.44
ALTR Altair Engineering Inc. Class A Add +32.2% 1.56% +0.39
UTI Universal Technical Institut New 0.37% +0.37
ASUR Asure Software Inc. Add +43.0% 1.37% +0.37
CALX Calix Inc. Add +250.0% 0.51% +0.36
LINC Lincoln Educational Services New 0.34% +0.34
AKAM Akamai Technologies Inc. Add +104.5% 1.00% +0.33
AIP Arteris Inc. Add +37.5% 1.47% +0.29
GENI Genius Sports Ltd. Add +64.7% 0.94% +0.26
NVT Nvent Electric PLC Add +74.6% 0.69% +0.25
CEVA Ceva Inc. New 0.24% +0.24
DD Dupont DE Nemours Inc. New 0.18% +0.18
ARLO Arlo Technologies Inc. Add +30.7% 1.05% +0.17
SITM Sitime Corp. Add +25.7% 0.48% +0.16
LITE Lumentum Holdings Inc. Add +66.7% 0.42% +0.15
EQIX Equinix Inc. Add +101.6% 0.39% +0.15
TER Teradyne Inc. Add +44.6% 0.37% +0.15
THR Thermon Group Holdings Inc. Add +33.8% 1.35% +0.14
FARO Faro Technologies Inc. Add +72.6% 1.13% +0.13
GRC Gorman-Rupp Co. New 0.12% +0.12
CMTL Comtech Telecommunications Add +96.2% 0.32% +0.11
LUNA Luna Innovations Inc. New 0.11% +0.11
BRKR Bruker Corp. Add +95.5% 0.68% +0.10
COHU Cohu Inc. New 0.10% +0.10
CRAI Cra International Inc. Add +6.8% 1.10% +0.09
APT Alpha Pro Tech Ltd. Add +72.1% 0.27% +0.07
MUR Murphy Oil Corp. New 0.07% +0.07
ROG Rogers Corp. Add +33.3% 0.40% +0.07
NTIC Northern Technologies Intl Add +3.8% 0.56% +0.06
CGNX Cognex Corp. Add +9.8% 0.88% +0.06
MRVL Marvell Technology Inc. Add +34.4% 0.35% +0.05
MTN Vail Resorts Inc. Add +100.0% 0.15% +0.04
HPE Hewlett Packard Enterprise Add +87.3% 0.09% +0.04
LIND Lindblad Expeditions Holding New 0.04% +0.04
LGTY Logility Supply Chain Soluti Add +47.2% 1.08% +0.04
MKL Markel Group Inc. Add +20.4% 0.34% +0.03
MRCY Mercury Systems Inc. Add +45.8% 0.19% +0.03
ESOA Energy Services of America New 0.03% +0.03
POCI Precision Optics Corp. Inc. Add +22.2% 0.18% +0.02
MASS 908 Devices Inc. New 0.02% +0.02
BFAM Bright Horizons Family Solut Add +19.0% 0.96% +0.02
ADTN Adtran Holdings Inc. Add +21.0% 0.61% +0.02
ECVT Ecovyst Inc. Add +46.0% 0.54% +0.02
MATV Mativ Holdings Inc. Add +29.3% 0.60% +0.02

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