Platinum Management

Platinum Management as of March 31, 2011

Portfolio Holdings for Platinum Management

Platinum Management holds 51 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
Mellanox Technologies 9.2 $8.8M 348k 25.23
Microsemi Corporation 8.5 $8.1M 392k 20.71
Nice Systems (NICE) 7.2 $6.9M 187k 36.94
Verint Sys 7.2 $6.8M 749k 9.13
Radware Ltd ord (RDWR) 7.0 $6.7M 189k 35.44
Qualcomm (QCOM) 5.1 $4.8M 88k 54.83
BMC Software 4.8 $4.6M 92k 49.74
Cypress Semiconductor Corporation 4.0 $3.8M 196k 19.38
Spdr S&p 500 Etf (SPY) 3.5 $3.3M 25k 132.59
Apple (AAPL) 3.5 $3.3M 9.5k 348.53
ON Semiconductor (ON) 3.5 $3.3M 336k 9.86
Belden (BDC) 3.5 $3.3M 88k 37.55
NetLogic Microsystems 3.3 $3.1M 75k 42.02
Compuware Corporation 3.1 $3.0M 256k 11.55
Concur Technologies 2.8 $2.6M 48k 55.45
Qlik Technologies 2.7 $2.6M 99k 26.00
Atheros Communications 2.5 $2.4M 54k 44.67
Cognizant Technology Solutions (CTSH) 2.3 $2.2M 27k 81.40
Flextronics International Ltd Com Stk (FLEX) 1.6 $1.5M 200k 7.47
Poly 1.5 $1.4M 27k 51.84
NetApp (NTAP) 1.4 $1.4M 28k 48.13
Taleo Corporation 1.4 $1.4M 38k 35.65
Plantronics 1.4 $1.3M 35k 36.62
Avago Technologies 1.3 $1.2M 40k 31.10
Maxim Integrated Products 1.1 $1.0M 40k 25.60
iShares Dow Jones US Home Const. (ITB) 0.9 $845k 64k 13.24
D Amarin Corp Plc - 0.6 $559k 77k 7.31
priceline.com Incorporated 0.5 $456k 900.00 506.67
Amazon (AMZN) 0.5 $450k 2.5k 180.00
Petroleo Brasileiro SA (PBR) 0.4 $420k 10k 40.38
Yahoo Inc option 0.4 $391k 3.5k 112.32
Google 0.4 $381k 650.00 586.15
Market Vectors Etf Tr equity 0.4 $374k 23k 16.16
Vishay Intertechnology (VSH) 0.3 $333k 19k 17.76
China Cablecom Holdings 0.3 $314k 765k 0.41
LivePerson (LPSN) 0.3 $274k 22k 12.64
Comverse Technology 0.2 $242k 4.0M 0.06
VMware 0.2 $224k 2.8k 81.45
TriQuint Semiconductor 0.2 $194k 15k 12.93
Lorillard 0.2 $175k 1.8k 95.01
Altria (MO) 0.2 $152k 5.8k 26.11
Finisar Corporation 0.2 $148k 6.0k 24.67
Advanced Micro Devices (AMD) 0.1 $104k 12k 8.49
Informatica Corporation 0.1 $104k 2.0k 52.00
SRS Labs (SRSL) 0.1 $96k 11k 8.53
Cambrex Corporation 0.1 $90k 16k 5.49
Build-A-Bear Workshop (BBW) 0.1 $70k 12k 6.05
Armour Residential Reit Inc *w exp 11/07/201 0.0 $26k 510k 0.05
ViroPharma Incorporated 0.0 $15k 774.00 19.38
TJX Companies (TJX) 0.0 $5.0k 100.00 50.00
Synvista Therapeutics 0.0 $0 22k 0.00