AlphaOne Investment Services

AlphaOne Investment Services as of June 30, 2011

Portfolio Holdings for AlphaOne Investment Services

AlphaOne Investment Services holds 164 positions in its portfolio as reported in the June 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
VeriFone Systems 1.9 $5.2M 118k 44.35
Hurco Companies (HURC) 1.7 $4.8M 148k 32.21
RF Micro Devices 1.5 $4.0M 653k 6.12
U.S. Physical Therapy (USPH) 1.4 $3.9M 159k 24.73
Colfax Corporation 1.4 $3.9M 156k 24.80
Ii-vi 1.4 $3.8M 150k 25.60
Mellanox Technologies 1.4 $3.8M 129k 29.81
DXP Enterprises (DXPE) 1.4 $3.8M 149k 25.35
Multi-Color Corporation 1.4 $3.7M 152k 24.69
Bio-Reference Laboratories 1.4 $3.7M 178k 20.90
LMI Aerospace 1.4 $3.7M 151k 24.43
MEDTOX Scientific (MTOX) 1.3 $3.5M 200k 17.47
Altra Holdings 1.2 $3.4M 141k 23.99
Knight Transportation 1.2 $3.3M 194k 16.99
Calamos Asset Management 1.2 $3.2M 223k 14.52
OmniVision Technologies 1.2 $3.3M 94k 34.81
Radiant Systems 1.2 $3.2M 153k 20.90
AZZ Incorporated (AZZ) 1.2 $3.2M 69k 45.80
Bancorp Rhode Island (BARI) 1.1 $3.1M 68k 45.33
National Research Corporation (NRCI) 1.1 $3.1M 85k 36.53
GP Strategies Corporation 1.1 $3.1M 224k 13.66
Hanger Orthopedic 1.1 $3.0M 123k 24.47
Team 1.1 $2.9M 122k 24.13
Natural Gas Services (NGS) 1.1 $2.9M 181k 16.16
OceanFirst Financial (OCFC) 1.1 $2.9M 225k 12.95
Nuance Communications 1.1 $2.9M 135k 21.47
Dawson Geophysical Company 1.1 $2.9M 85k 34.15
BMC Software 1.0 $2.8M 52k 54.69
Raven Industries 1.0 $2.8M 50k 55.71
Vocus 1.0 $2.7M 90k 30.61
Financial Institutions (FISI) 1.0 $2.7M 165k 16.42
GeoResources 1.0 $2.7M 120k 22.49
Methode Electronics (MEI) 1.0 $2.7M 230k 11.61
IBERIABANK Corporation 1.0 $2.6M 46k 57.63
WSFS Financial Corporation (WSFS) 1.0 $2.6M 66k 39.65
Citi Trends (CTRN) 0.9 $2.6M 173k 15.08
Standard Parking Corporation 0.9 $2.6M 161k 15.97
Douglas Dynamics (PLOW) 0.9 $2.5M 161k 15.79
Titan Machinery (TITN) 0.9 $2.5M 88k 28.78
Bryn Mawr Bank 0.9 $2.5M 122k 20.25
IXYS Corporation 0.9 $2.4M 163k 14.98
Dynamics Research Corporation 0.9 $2.5M 180k 13.64
West Coast Banc Or 0.9 $2.5M 147k 16.76
Rimage Corporation 0.9 $2.4M 181k 13.43
Great Lakes Dredge & Dock Corporation (GLDD) 0.9 $2.4M 428k 5.58
EMS Technologies 0.9 $2.4M 71k 32.98
Axt (AXTI) 0.8 $2.3M 266k 8.48
MWI Veterinary Supply 0.8 $2.1M 26k 80.79
Renasant (RNST) 0.8 $2.1M 143k 14.49
Old Dominion Freight Line (ODFL) 0.8 $2.1M 55k 37.31
AU Optronics 0.7 $2.0M 295k 6.88
Marten Transport (MRTN) 0.7 $2.0M 94k 21.60
Forrester Research (FORR) 0.7 $2.0M 61k 32.96
Interactive Intelligence 0.7 $2.0M 57k 35.05
KVH Industries (KVHI) 0.7 $2.0M 189k 10.63
Verizon Communications (VZ) 0.7 $1.9M 52k 37.24
HMS Holdings 0.7 $1.9M 25k 76.88
Webster Financial Corporation (WBS) 0.7 $1.9M 90k 21.02
Hill International 0.7 $1.9M 328k 5.76
Exponent (EXPO) 0.7 $1.9M 44k 43.50
On Assignment 0.7 $1.9M 189k 9.83
Sterling Construction Company (STRL) 0.7 $1.9M 135k 13.77
Columbia Banking System (COLB) 0.7 $1.8M 106k 17.22
Merit Medical Systems (MMSI) 0.7 $1.8M 101k 17.97
Transcend Services 0.7 $1.8M 60k 29.39
Vitran Corp 0.7 $1.8M 141k 12.70
Rogers Corporation (ROG) 0.6 $1.7M 37k 46.20
Roper Industries (ROP) 0.6 $1.7M 20k 83.30
PDF Solutions (PDFS) 0.6 $1.7M 278k 5.96
Sterling Ban 0.6 $1.7M 176k 9.49
NVE Corporation (NVEC) 0.6 $1.6M 27k 58.46
Thermon Group Holdings (THR) 0.6 $1.5M 127k 12.00
Patterson-UTI Energy (PTEN) 0.6 $1.5M 48k 31.60
Legacy Ban (LEGC) 0.5 $1.5M 107k 13.86
RPC (RES) 0.5 $1.5M 59k 24.53
Booz Allen Hamilton Holding Corporation (BAH) 0.5 $1.4M 75k 19.11
Microsemi Corporation 0.5 $1.4M 70k 20.50
Hexcel Corporation (HXL) 0.5 $1.4M 62k 21.89
CTPartners Executive Search (CTPR) 0.5 $1.4M 114k 11.95
BioScrip 0.5 $1.3M 206k 6.49
Teleflex Incorporated (TFX) 0.5 $1.3M 22k 61.06
Corning Incorporated (GLW) 0.5 $1.3M 73k 18.15
Regal-beloit Corporation (RRX) 0.5 $1.3M 19k 66.76
Neustar 0.5 $1.3M 50k 26.21
Ihs 0.5 $1.3M 15k 83.41
Wright Express Corporation 0.5 $1.3M 24k 52.07
AECOM Technology Corporation (ACM) 0.5 $1.3M 46k 27.34
Bitstream 0.5 $1.2M 236k 5.24
Berry Petroleum Company 0.4 $1.2M 23k 53.14
Catalyst Health Solutions 0.4 $1.2M 21k 55.82
ICU Medical, Incorporated (ICUI) 0.4 $1.2M 27k 43.71
Citrix Systems 0.4 $1.2M 14k 80.00
Haemonetics Corporation (HAE) 0.4 $1.1M 18k 64.38
Alpha Natural Resources 0.4 $1.1M 25k 45.44
Marvell Technology Group 0.4 $1.1M 78k 14.77
A. O. Smith Corporation (AOS) 0.4 $1.2M 27k 42.28
Unit Corporation 0.4 $1.1M 19k 60.92
MercadoLibre (MELI) 0.4 $1.1M 14k 79.36
Seagate Technology Com Stk 0.4 $1.1M 69k 16.16
OSI Systems (OSIS) 0.4 $1.1M 26k 42.99
Ameres (AMRC) 0.4 $1.1M 78k 14.18
Park Sterling Bk Charlott 0.4 $1.1M 219k 4.96
Te Connectivity Ltd for (TEL) 0.4 $1.1M 30k 36.77
Agilent Technologies Inc C ommon (A) 0.4 $1.1M 21k 51.11
Bruker Corporation (BRKR) 0.4 $1.1M 52k 20.35
Salix Pharmaceuticals 0.4 $1.0M 26k 39.82
Natus Medical 0.4 $1.0M 69k 15.16
Tetra Tech (TTEK) 0.3 $968k 43k 22.51
BioMarin Pharmaceutical (BMRN) 0.3 $929k 34k 27.21
Coherent 0.3 $939k 17k 55.29
Daktronics (DAKT) 0.3 $939k 87k 10.80
Gra (GGG) 0.3 $906k 18k 50.65
CONSOL Energy 0.3 $902k 19k 48.49
Rovi Corporation 0.3 $908k 16k 57.34
Stec 0.3 $896k 53k 17.00
Blackboard 0.3 $891k 21k 43.40
Luminex Corporation 0.3 $890k 43k 20.90
Brookline Ban (BRKL) 0.3 $875k 94k 9.27
Sirona Dental Systems 0.3 $877k 17k 53.13
DigitalGlobe 0.3 $871k 34k 25.40
PAREXEL International Corporation 0.3 $842k 36k 23.55
Tesco Corporation 0.3 $842k 43k 19.41
Knoll 0.3 $854k 43k 20.06
Zagg 0.3 $846k 63k 13.41
Western Digital (WDC) 0.3 $829k 23k 36.36
Advisory Board Company 0.3 $823k 14k 57.88
CPI Aerostructures (CVU) 0.3 $811k 60k 13.62
Lumber Liquidators Holdings (LLFLQ) 0.3 $796k 31k 25.40
MB Financial 0.3 $756k 39k 19.24
Expeditors International of Washington (EXPD) 0.3 $776k 15k 51.19
Gartner (IT) 0.3 $759k 19k 40.27
Hibbett Sports (HIBB) 0.3 $773k 19k 40.72
FreightCar America (RAIL) 0.3 $725k 29k 25.35
Wintrust Financial Corporation (WTFC) 0.3 $704k 22k 32.19
Monolithic Power Systems (MPWR) 0.2 $692k 45k 15.41
CEC Entertainment 0.2 $662k 17k 40.12
Medidata Solutions 0.2 $662k 28k 23.87
Techne Corporation 0.2 $630k 7.6k 83.41
Evercore Partners (EVR) 0.2 $629k 19k 33.30
Bio-Rad Laboratories (BIO) 0.2 $618k 5.2k 119.31
Northwest Bancshares (NWBI) 0.2 $618k 49k 12.57
United Therapeutics Corporation (UTHR) 0.2 $621k 11k 55.06
Volterra Semiconductor Corporation 0.2 $616k 25k 24.64
DealerTrack Holdings 0.2 $613k 27k 22.93
Babcock & Wilcox 0.2 $589k 21k 27.72
Glu Mobile 0.2 $590k 112k 5.27
C.H. Robinson Worldwide (CHRW) 0.2 $587k 7.4k 78.87
Tesoro Corporation 0.2 $575k 25k 22.91
PacWest Ban 0.2 $581k 28k 20.56
Bankunited (BKU) 0.2 $556k 21k 26.52
Petroleo Brasileiro SA (PBR) 0.2 $508k 15k 33.87
Broadcom Corporation 0.2 $526k 16k 33.61
PLX Technology 0.2 $523k 151k 3.47
Mindspeed Technologies 0.2 $508k 64k 8.00
Maximus (MMS) 0.2 $452k 5.5k 82.80
First Republic Bank/san F (FRCB) 0.2 $425k 13k 32.25
Ivanhoe Mines 0.1 $412k 16k 25.28
Itron (ITRI) 0.1 $356k 7.4k 48.11
Lihua International 0.1 $360k 59k 6.09
Bridge Capital Holdings 0.1 $322k 29k 11.07
Brady Corporation (BRC) 0.1 $309k 9.6k 32.05
KBW 0.1 $291k 16k 18.72
Susquehanna Bancshares 0.1 $312k 39k 8.01
Cameco Corporation (CCJ) 0.1 $224k 8.5k 26.35