Institutions / Needham Investment Management LLC

Needham Investment Management LLC

CIK 1167212 · Institution · as of Mar 31, 2026
Portfolio value
$1.96B
Positions
176
As of
Mar 31, 2026

Portfolio trend

Portfolio value

$1.96B+23.7%
$1.96B$1.77B$1.58BQ4 '25Q1 '26

Positions

176+8.6%
176169162Q4 '25Q1 '26

Top holdings

Mar 31, 2026View all 176 →
CompanyClassValueShares% of portfolio
Nlight, Inc.$109.63M1,922,7405.6%
Vicor Corp$84.04M522,0004.3%
Vertiv Holdings Co$71.48M285,2503.7%
PDF Solutions, Inc.$66.16M2,022,7003.4%
Arteris, Inc.AIPCommon Stock$64.98M3,952,5003.3%
FormFactor Inc$58.53M603,5003.0%
Vishay Intertechnology Inc$52.56M2,920,0002.7%
Lincoln Educational Services Corporation$51.97M1,277,5002.7%
Oil-Dri Corp of America$44.10M677,5002.3%
Nova Ltd$40.02M92,1502.0%
Universal Technical Institute Inc$37.18M1,030,0001.9%
Super Micro Computer, Inc.$36.81M1,616,5001.9%
Thermon Group Holdings, Inc.$31.88M632,5001.6%
ThredUp Inc.$30.42M9,275,0001.6%
Veeco Instruments Inc$29.80M880,0001.5%
Tetra Technologies Inc$28.75M3,375,0001.5%
MKS Inc$27.58M120,0001.4%
Vishay Precision Group, Inc.$26.92M620,0001.4%
Coherent Corp$25.13M105,5001.3%
Arlo Technologies, Inc.$25.04M1,760,0001.3%
Photronics Inc$24.45M605,0001.2%
Centuri Holdings, Inc.$23.88M817,6281.2%
Ceco Environmental CorpCECOCommon Stock$23.09M387,5001.2%
Cra International, Inc.$22.66M140,0061.2%
Asure Software Inc$22.42M2,607,5001.1%

Activity

InsidersInstitutions
This fund's 13F position changes — what it's buying and selling.
DateActionCompanyValueShares ΔPosition afterImpact
Q1 2026
as of
AddTennant Co
Common stock
$10.72M+162K
+239.26%
229,000
0.78% of portfolio
medium
Q1 2026
as of
AddThredUp Inc.
Common stock
$10.50M+3.2M
+52.67%
9,275,000
1.55% of portfolio
medium
Q1 2026
as of
AddVishay Intertechnology Inc
Common stock
$9.81M+545K
+22.95%
2,920,000
2.69% of portfolio
medium
Q1 2026
as of
TrimTTM Technologies Inc
Common stock
$-9.52M-98K
-52.77%
87,500
0.44% of portfolio
medium
Q1 2026
as of
AddAIP
Arteris, Inc.
Common Stock
$8.89M+541K
+15.86%
3,952,500
3.32% of portfolio
medium
Q1 2026
as of
TrimFormFactor Inc
Common stock
$-8.83M-91K
-13.10%
603,500
2.99% of portfolio
medium
Q1 2026
as of
TrimEntegris, Inc.
Common stock
$-8.72M-74K
-38.87%
117,000
0.70% of portfolio
medium
Q1 2026
as of
AddTetra Technologies Inc
Common stock
$8.52M+1.0M
+42.11%
3,375,000
1.47% of portfolio
medium
Q1 2026
as of
TrimNova Ltd
Common stock
$-8.51M-20K
-17.54%
92,150
2.05% of portfolio
medium
Q1 2026
as of
AddUniversal Technical Institute Inc
Common stock
$8.03M+223K
+27.55%
1,030,000
1.90% of portfolio
medium