Shannon River Fund Management

Shannon River Fund Management as of March 31, 2011

Portfolio Holdings for Shannon River Fund Management

Shannon River Fund Management holds 56 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
Loral Space & Communications 4.9 $9.0M 116k 77.55
Savvis 4.0 $7.4M 200k 37.09
Directv 3.8 $7.0M 150k 46.80
NII Holdings 3.6 $6.7M 160k 41.67
Extreme Networks (EXTR) 3.4 $6.3M 1.8M 3.50
Nordion 3.2 $6.0M 508k 11.82
SeaChange International 3.0 $5.5M 580k 9.50
TIM Participacoes SA 2.9 $5.4M 125k 43.65
Interactive Intelligence 2.9 $5.4M 141k 38.71
Scientific Games (LNW) 2.8 $5.1M 588k 8.74
NTELOS Holdings 2.7 $5.1M 275k 18.40
Mellanox Technologies 2.7 $5.0M 200k 25.23
UniTek Global Services 2.7 $5.0M 560k 8.90
Marchex (MCHX) 2.7 $5.0M 630k 7.87
Home Inns & Hotels Management 2.7 $4.9M 125k 39.57
Acacia Research Corporation (ACTG) 2.6 $4.8M 140k 34.35
Time Warner Cable 2.5 $4.6M 65k 71.34
7 Days Group Holdings 2.3 $4.3M 214k 20.28
Acxiom Corporation 2.3 $4.3M 300k 14.35
ChinaCache International Holdings 2.3 $4.2M 232k 18.23
Immersion Corporation (IMMR) 2.2 $4.1M 540k 7.62
WebMD Health 2.2 $4.0M 75k 53.43
American Tower Corporation 2.1 $3.9M 75k 51.83
Charter Communications 2.0 $3.8M 75k 50.63
Sonus Networks 1.8 $3.4M 902k 3.76
PDF Solutions (PDFS) 1.8 $3.3M 500k 6.65
Radvision Ltd Com Stk 1.8 $3.2M 285k 11.38
MetroPCS Communications 1.8 $3.2M 200k 16.24
Openwave Systems 1.7 $3.1M 1.5M 2.14
LivePerson (LPSN) 1.7 $3.1M 244k 12.64
ShoreTel 1.6 $3.1M 372k 8.23
Sirius XM Radio 1.6 $3.1M 1.9M 1.65
Pixelworks (PXLW) 1.6 $3.0M 844k 3.60
Liberty Media 1.6 $2.9M 38k 77.60
Alcatel-Lucent 1.6 $2.9M 500k 5.81
Tekelec 1.5 $2.8M 350k 8.12
Axcelis Technologies 1.4 $2.7M 1.0M 2.65
NetEase (NTES) 1.3 $2.5M 50k 49.52
Accelrys 0.9 $1.6M 204k 8.00
Zagg 0.8 $1.5M 200k 7.51
NOVA MEASURING Instruments L (NVMI) 0.8 $1.4M 146k 9.78
eHealth (EHTH) 0.7 $1.4M 103k 13.29
Mattson Technology 0.7 $1.4M 555k 2.44
Majesco Entertainment 0.7 $1.3M 425k 3.16
Jamba 0.7 $1.3M 600k 2.20
1-800-flowers (FLWS) 0.7 $1.2M 363k 3.30
AirMedia 0.6 $1.2M 228k 5.21
Bally Technologies 0.6 $1.1M 30k 37.86
TiVo 0.5 $933k 107k 8.75
TNS 0.3 $633k 41k 15.56
Silicom (SILC) 0.2 $405k 22k 18.41
Digimarc Corporation (DMRC) 0.1 $142k 4.9k 28.98
iShares Russell 2000 Index (IWM) 0.1 $92k 8.1k 11.36
PowerShares QQQ Trust, Series 1 0.0 $33k 3.2k 10.48
Wowjoint Holdings Limited *w exp 05/15/201 0.0 $20k 100k 0.20
Aruba Networks 0.0 $3.0k 75.00 40.00