Needham Investment Management

Needham Investment Management as of March 31, 2011

Portfolio Holdings for Needham Investment Management

Needham Investment Management holds 143 positions in its portfolio as reported in the March 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Express Scripts 4.5 $27M 493k 55.61
Akamai Technologies (AKAM) 2.6 $16M 425k 38.00
Seagate Technology Com Stk 2.5 $15M 1.1M 14.41
EMS Technologies 2.4 $15M 762k 19.66
Super Micro Computer (SMCI) 2.3 $14M 882k 16.04
Stec 2.2 $13M 665k 20.09
Entegris (ENTG) 2.1 $13M 1.5M 8.78
Brooks Automation (AZTA) 2.1 $13M 947k 13.73
Precision Castparts 2.0 $13M 86k 147.18
Mercury Computer Systems (MRCY) 2.0 $12M 581k 21.16
Varian Medical Systems 2.0 $12M 181k 67.64
Thermo Fisher Scientific (TMO) 1.9 $12M 215k 55.55
Emulex Corporation 1.9 $12M 1.1M 10.67
ViaSat (VSAT) 1.9 $12M 288k 39.84
QuinStreet (QNST) 1.8 $11M 485k 22.73
Sourcefire 1.8 $11M 400k 27.51
Financial Engines 1.8 $11M 401k 27.56
Electro Scientific Industries 1.7 $10M 585k 17.36
Jabil Circuit (JBL) 1.6 $9.6M 472k 20.43
Newport Corporation 1.5 $9.4M 528k 17.84
Entropic Communications 1.4 $8.4M 992k 8.45
NOVA MEASURING Instruments L (NVMI) 1.4 $8.3M 845k 9.78
PDF Solutions (PDFS) 1.3 $8.0M 1.2M 6.65
Immersion Corporation (IMMR) 1.3 $7.9M 1.0M 7.62
Southwall Technologies Inc pref 1.2 $7.5M 652k 11.45
Gilead Sciences (GILD) 1.2 $7.2M 170k 42.47
Honeywell International (HON) 1.2 $7.2M 120k 59.70
TTM Technologies (TTMI) 1.2 $7.2M 396k 18.16
MKS Instruments (MKSI) 1.1 $7.0M 209k 33.30
FormFactor (FORM) 1.1 $7.0M 679k 10.29
Oclaro 1.1 $7.0M 610k 11.50
Lattice Semiconductor (LSCC) 1.1 $6.8M 1.2M 5.90
CarMax (KMX) 1.1 $6.5M 203k 32.10
H&Q Healthcare Investors 1.1 $6.4M 449k 14.32
H&Q Life Sciences Investors 1.0 $5.9M 488k 12.02
American Eagle Outfitters (AEO) 0.9 $5.8M 365k 15.89
CONMED Corporation (CNMD) 0.9 $5.8M 220k 26.28
Allscripts Healthcare Solutions (MDRX) 0.9 $5.7M 270k 20.99
Actuate Corporation 0.9 $5.6M 1.1M 5.20
Saic 0.9 $5.4M 318k 16.92
Ultra Clean Holdings (UCTT) 0.9 $5.4M 520k 10.34
Laboratory Corp. of America Holdings (LH) 0.9 $5.3M 57k 92.14
Anaren 0.8 $5.1M 255k 20.00
Volcano Corporation 0.8 $4.9M 192k 25.61
Electronics For Imaging 0.8 $4.9M 331k 14.71
Vishay Intertechnology (VSH) 0.8 $4.6M 260k 17.74
MEMC Electronic Materials 0.7 $4.5M 350k 12.96
Interxion Holding 0.7 $4.4M 342k 13.00
IPG Photonics Corporation (IPGP) 0.7 $4.4M 76k 57.67
Becton, Dickinson and (BDX) 0.7 $4.4M 55k 79.62
Sypris Solutions (SYPR) 0.7 $4.3M 1.0M 4.24
Infinera (INFN) 0.7 $4.2M 499k 8.39
Atmi 0.7 $4.2M 222k 18.89
Brocade Communications Systems 0.7 $4.1M 663k 6.15
Comcast Corporation (CMCSA) 0.7 $4.0M 160k 24.72
Gentiva Health Services 0.7 $4.0M 143k 28.03
Saba Software 0.7 $4.0M 405k 9.83
athenahealth 0.6 $3.8M 85k 45.12
Covidien 0.6 $3.8M 73k 51.95
Intevac (IVAC) 0.6 $3.7M 302k 12.41
True Religion Apparel 0.6 $3.7M 159k 23.47
RF Micro Devices 0.6 $3.5M 550k 6.41
Dick's Sporting Goods (DKS) 0.6 $3.5M 88k 39.99
UnitedHealth (UNH) 0.6 $3.4M 76k 45.20
Omnicell (OMCL) 0.5 $3.3M 214k 15.24
Anadigics 0.5 $3.2M 718k 4.47
Parametric Technology 0.5 $3.2M 142k 22.49
Thoratec Corporation 0.5 $3.1M 120k 25.93
Avis Budget (CAR) 0.5 $3.0M 170k 17.91
MedAssets 0.5 $3.0M 200k 15.24
State Street Corporation (STT) 0.5 $3.0M 68k 44.93
Network Equipment Technologies 0.5 $2.9M 775k 3.77
Monsanto Company 0.5 $2.9M 40k 72.26
Blue Coat Systems 0.5 $2.8M 100k 28.16
Catalyst Health Solutions 0.5 $2.8M 50k 55.94
Finisar Corporation 0.4 $2.7M 110k 24.59
Southwall Technologies 0.4 $2.6M 226k 11.45
MaxLinear (MXL) 0.4 $2.5M 300k 8.17
Exterran Holdings 0.4 $2.4M 100k 23.73
Callidus Software 0.4 $2.4M 350k 6.87
FEI Company 0.4 $2.3M 67k 33.72
TomoTherapy Incorporated 0.3 $2.1M 470k 4.57
Bottomline Technologies 0.3 $2.0M 81k 25.11
Bio-Reference Laboratories 0.3 $2.0M 90k 22.44
Corning Incorporated (GLW) 0.3 $1.9M 94k 20.64
ISTA Pharmaceuticals 0.3 $1.9M 185k 10.12
SoundBite Communications 0.3 $1.9M 728k 2.65
Apple (AAPL) 0.3 $1.8M 5.3k 348.57
Orbotech Ltd Com Stk 0.3 $1.9M 145k 12.83
Dex (DXCM) 0.3 $1.9M 120k 15.52
Healthsouth 0.3 $1.7M 70k 24.99
Tyco International Ltd S hs 0.3 $1.7M 37k 44.75
Chesapeake Energy Corporation 0.3 $1.7M 50k 33.52
Omnicare 0.3 $1.6M 53k 30.00
Solta Medical 0.3 $1.6M 492k 3.30
GMX Resources 0.2 $1.5M 250k 6.17
Tessera Technologies 0.2 $1.5M 83k 18.26
Intersil Corporation 0.2 $1.5M 120k 12.45
Motorola Solutions (MSI) 0.2 $1.5M 33k 44.68
TriQuint Semiconductor 0.2 $1.4M 105k 12.92
Euronet Worldwide (EEFT) 0.2 $1.4M 70k 19.33
Cavium Networks 0.2 $1.3M 30k 44.93
Alliance HealthCare Services 0.2 $1.2M 280k 4.42
X-Rite, Incorporated 0.2 $1.2M 254k 4.75
Natus Medical 0.2 $1.2M 72k 16.80
PLX Technology 0.2 $1.2M 333k 3.65
Boston Scientific Corporation (BSX) 0.2 $1.2M 166k 7.19
Interactive Brokers (IBKR) 0.2 $1.1M 68k 15.89
RadiSys Corporation 0.2 $1.1M 130k 8.66
Advanced Analogic Technologies In 0.2 $1.0M 275k 3.78
Frequency Electronics (FEIM) 0.2 $1.0M 100k 10.26
Palomar Medical Technologies 0.2 $1.0M 68k 14.86
Schlumberger (SLB) 0.1 $933k 10k 93.30
Carrizo Oil & Gas 0.1 $923k 25k 36.92
Trimble Navigation (TRMB) 0.1 $884k 18k 50.51
Iron Mountain Incorporated 0.1 $874k 28k 31.21
Equinix 0.1 $774k 8.5k 91.06
MIPS Technologies 0.1 $734k 70k 10.49
KVH Industries (KVHI) 0.1 $756k 50k 15.12
Motorola Mobility Holdings 0.1 $710k 29k 24.39
Gen-Probe Incorporated 0.1 $664k 10k 66.40
Powerwave Technologies 0.1 $654k 145k 4.51
Vital Images (VTAL) 0.1 $676k 50k 13.52
Ltx Credence Corporation 0.1 $701k 77k 9.14
Pacific Biosciences of California (PACB) 0.1 $704k 50k 14.07
Advanced Photonix 0.1 $670k 333k 2.01
Kemet Corporation Cmn 0.1 $588k 40k 14.82
Ikanos Communications 0.1 $576k 505k 1.14
Alcatel-Lucent 0.1 $581k 100k 5.81
Calix (CALX) 0.1 $508k 25k 20.32
OCZ Technology 0.1 $486k 60k 8.10
Resources Connection (RGP) 0.1 $412k 21k 19.39
Hutchinson Technology Incorporated 0.1 $453k 160k 2.83
Ce Franklin Cad 0.1 $424k 43k 9.86
LeCROY Corporation 0.1 $401k 30k 13.37
Planar Systems 0.1 $430k 157k 2.74
Xyratex 0.1 $307k 28k 11.16
Mattson Technology 0.1 $311k 127k 2.45
LeMaitre Vascular (LMAT) 0.0 $272k 40k 6.80
Nielsen Holdings Nv 0.0 $220k 8.1k 27.12
Fairchild Semiconductor International 0.0 $182k 10k 18.20
Vishay Precision (VPG) 0.0 $157k 10k 15.59
CyberOptics Corporation 0.0 $130k 15k 8.67