AlphaOne Investment Services

AlphaOne Investment Services as of Dec. 31, 2010

Portfolio Holdings for AlphaOne Investment Services

AlphaOne Investment Services holds 211 positions in its portfolio as reported in the December 2010 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Ii-vi 1.6 $4.9M 105k 46.36
Citi Trends (CTRN) 1.5 $4.5M 182k 24.55
U.S. Physical Therapy (USPH) 1.4 $4.1M 209k 19.82
Bio-Reference Laboratories 1.4 $4.1M 184k 22.18
Multi-Color Corporation 1.3 $4.0M 208k 19.46
Team 1.3 $3.9M 161k 24.20
Standard Parking Corporation 1.3 $3.9M 206k 18.89
Mellanox Technologies 1.3 $3.8M 146k 26.17
EMS Technologies 1.3 $3.8M 193k 19.78
LaBarge 1.2 $3.8M 241k 15.71
MEDTOX Scientific (MTOX) 1.2 $3.8M 288k 13.10
Great Lakes Dredge & Dock Corporation (GLDD) 1.2 $3.7M 498k 7.37
Apple (AAPL) 1.2 $3.6M 11k 322.57
Altra Holdings 1.2 $3.6M 181k 19.86
Hurco Companies (HURC) 1.2 $3.6M 151k 23.65
DXP Enterprises (DXPE) 1.2 $3.5M 146k 24.00
Atheros Communications 1.1 $3.5M 97k 35.92
Hanger Orthopedic 1.1 $3.4M 162k 21.19
Radiant Systems 1.1 $3.4M 174k 19.57
Colfax Corporation 1.1 $3.2M 174k 18.41
National Research Corporation (NRCI) 1.0 $3.1M 92k 34.25
Transcend Services 1.0 $3.1M 156k 19.59
Calamos Asset Management 1.0 $3.0M 214k 14.00
Titan Machinery (TITN) 1.0 $3.0M 154k 19.30
Hill International 1.0 $2.9M 455k 6.47
WSFS Financial Corporation (WSFS) 1.0 $2.9M 62k 47.45
Knight Transportation 0.9 $2.9M 152k 19.00
LMI Aerospace 0.9 $2.9M 179k 15.99
IBERIABANK Corporation 0.9 $2.8M 47k 59.13
MWI Veterinary Supply 0.9 $2.7M 44k 63.16
OceanFirst Financial (OCFC) 0.9 $2.7M 212k 12.87
GP Strategies Corporation 0.8 $2.5M 243k 10.24
Danvers Ban (DNBK) 0.8 $2.4M 137k 17.67
Rimage Corporation 0.8 $2.4M 162k 14.91
Financial Institutions (FISI) 0.8 $2.4M 127k 18.97
Douglas Dynamics (PLOW) 0.8 $2.3M 154k 15.15
Columbia Banking System (COLB) 0.8 $2.3M 109k 21.06
AZZ Incorporated (AZZ) 0.8 $2.3M 57k 40.00
VeriFone Systems 0.7 $2.2M 58k 38.55
Webster Financial Corporation (WBS) 0.7 $2.2M 112k 19.70
Merit Medical Systems (MMSI) 0.7 $2.2M 140k 15.83
Forrester Research (FORR) 0.7 $2.2M 61k 35.29
Supertex 0.7 $2.1M 89k 24.18
Bryn Mawr Bank 0.7 $2.1M 123k 17.45
Raven Industries 0.7 $2.1M 45k 47.68
HMS Holdings 0.7 $2.1M 33k 64.77
Dynamics Research Corporation 0.7 $2.1M 159k 13.40
Tyco Electronics Ltd S hs 0.7 $2.1M 59k 35.41
Marten Transport (MRTN) 0.7 $2.1M 98k 21.38
Natural Gas Services (NGS) 0.7 $2.1M 111k 18.91
Vocus 0.7 $2.1M 75k 27.65
Medidata Solutions 0.7 $2.1M 87k 23.88
Interactive Intelligence 0.7 $2.0M 78k 26.16
Neogen Corporation (NEOG) 0.7 $2.0M 49k 41.02
Vitran Corp 0.7 $2.0M 152k 13.12
Sterling Construction Company (STRL) 0.7 $2.0M 150k 13.04
Renasant (RNST) 0.6 $1.9M 115k 16.91
Old Dominion Freight Line (ODFL) 0.6 $1.9M 60k 31.98
Bancorp Rhode Island (BARI) 0.6 $1.9M 67k 29.09
Bitstream 0.6 $1.8M 254k 7.23
eBay (EBAY) 0.6 $1.8M 66k 27.83
RPC (RES) 0.5 $1.6M 90k 18.11
PDF Solutions (PDFS) 0.5 $1.6M 330k 4.82
GeoResources 0.5 $1.6M 73k 22.21
DigitalGlobe 0.5 $1.6M 49k 31.70
Itron (ITRI) 0.5 $1.6M 28k 55.46
Teleflex Incorporated (TFX) 0.5 $1.5M 29k 53.82
NVIDIA Corporation (NVDA) 0.5 $1.5M 99k 15.40
Spectrum Control 0.5 $1.5M 100k 14.99
Rogers Corporation (ROG) 0.5 $1.5M 40k 38.25
Ihs 0.5 $1.5M 19k 80.41
NVE Corporation (NVEC) 0.5 $1.5M 25k 57.83
Legacy Ban (LEGC) 0.5 $1.5M 112k 13.14
Park Sterling Bank 0.5 $1.5M 239k 6.16
Smith Micro Software 0.5 $1.4M 87k 15.74
Oracle Corporation (ORCL) 0.4 $1.3M 42k 31.30
Roper Industries (ROP) 0.4 $1.3M 18k 76.44
Berry Petroleum Company 0.4 $1.3M 31k 43.69
Exponent (EXPO) 0.4 $1.3M 35k 37.53
SBA Communications Corporation 0.4 $1.3M 32k 40.95
KVH Industries (KVHI) 0.4 $1.3M 110k 11.95
Patterson-UTI Energy (PTEN) 0.4 $1.3M 59k 21.56
Tesoro Corporation 0.4 $1.3M 68k 18.54
AECOM Technology Corporation (ACM) 0.4 $1.3M 45k 27.97
PMC-Sierra 0.4 $1.2M 145k 8.59
Jabil Circuit (JBL) 0.4 $1.3M 62k 20.10
Neustar 0.4 $1.2M 48k 26.04
Unit Corporation 0.4 $1.2M 27k 46.49
Ameres (AMRC) 0.4 $1.2M 86k 14.36
BioScrip 0.4 $1.2M 229k 5.23
PAREXEL International Corporation 0.4 $1.2M 55k 21.23
On Assignment 0.4 $1.2M 146k 8.15
Wright Express Corporation 0.4 $1.2M 26k 45.99
Online Resources Corporation 0.4 $1.2M 253k 4.65
Nxp Semiconductors N V (NXPI) 0.4 $1.2M 57k 20.93
Gartner (IT) 0.4 $1.1M 34k 33.20
Evercore Partners (EVR) 0.4 $1.2M 34k 33.99
Cowen 0.4 $1.1M 244k 4.66
Haemonetics Corporation (HAE) 0.4 $1.1M 18k 63.19
Bruker Corporation (BRKR) 0.4 $1.1M 68k 16.60
Rosetta Resources 0.4 $1.1M 29k 37.65
SRA International 0.4 $1.1M 53k 20.45
OmniVision Technologies 0.4 $1.1M 37k 29.62
Force Protection 0.3 $1.1M 192k 5.51
Rovi Corporation 0.3 $1.1M 17k 62.02
Gen-Probe Incorporated 0.3 $1.0M 18k 58.34
Western Digital (WDC) 0.3 $1.0M 30k 33.91
WellPoint 0.3 $1.0M 18k 56.89
United Therapeutics Corporation (UTHR) 0.3 $1.0M 16k 63.22
Blackboard 0.3 $1.0M 24k 41.30
ICU Medical, Incorporated (ICUI) 0.3 $987k 27k 36.52
Brigham Exploration Company 0.3 $983k 36k 27.23
Hibbett Sports (HIBB) 0.3 $964k 26k 36.90
Salix Pharmaceuticals 0.3 $974k 21k 46.96
Expeditors International of Washington (EXPD) 0.3 $927k 17k 54.59
Clean Harbors (CLH) 0.3 $949k 11k 84.06
Rex Energy Corporation 0.3 $935k 69k 13.65
Bio-Rad Laboratories (BIO) 0.3 $943k 9.1k 103.80
Catalyst Health Solutions 0.3 $945k 20k 46.47
Xerox Corporation 0.3 $863k 75k 11.52
Techne Corporation 0.3 $883k 14k 65.64
Human Genome Sciences 0.3 $865k 36k 23.90
Mead Johnson Nutrition 0.3 $889k 14k 62.25
Regal-beloit Corporation (RRX) 0.3 $871k 13k 66.79
Stillwater Mining Company 0.3 $867k 41k 21.35
Knoll 0.3 $863k 52k 16.72
Lufkin Industries 0.3 $867k 14k 62.37
Teva Pharmaceutical Industries (TEVA) 0.3 $845k 16k 52.16
Coherent 0.3 $859k 19k 45.13
Tennant Company (TNC) 0.3 $853k 22k 38.42
Natus Medical 0.3 $852k 60k 14.18
AmerisourceBergen (COR) 0.3 $802k 24k 34.13
Starwood Hotels & Resorts Worldwide 0.3 $802k 13k 60.76
Daktronics (DAKT) 0.3 $805k 51k 15.92
Multi-Fineline Electronix 0.3 $821k 31k 26.48
Wintrust Financial Corporation (WTFC) 0.3 $815k 25k 33.05
Abercrombie & Fitch (ANF) 0.3 $790k 14k 57.66
Seagate Technology Com Stk 0.3 $798k 53k 15.03
Cyberonics 0.3 $779k 25k 31.04
Tempur-Pedic International (TPX) 0.3 $773k 19k 40.05
CVS Caremark Corporation (CVS) 0.2 $765k 22k 34.77
Shire 0.2 $753k 10k 72.40
Wyndham Worldwide Corporation 0.2 $767k 26k 29.96
Guess? (GES) 0.2 $767k 16k 47.35
Northwest Bancshares (NWBI) 0.2 $767k 65k 11.76
MIPS Technologies 0.2 $765k 50k 15.18
Tractor Supply Company (TSCO) 0.2 $723k 15k 48.52
Lumber Liquidators Holdings (LLFLQ) 0.2 $723k 29k 24.90
CIGNA Corporation 0.2 $715k 20k 36.67
Quanta Services (PWR) 0.2 $737k 37k 19.92
Broadcom Corporation 0.2 $714k 16k 43.54
Brookline Ban (BRKL) 0.2 $727k 67k 10.84
Cypress Semiconductor Corporation 0.2 $736k 40k 18.59
Finisar Corporation 0.2 $730k 25k 29.67
IPG Photonics Corporation (IPGP) 0.2 $715k 23k 31.63
Advisory Board Company 0.2 $738k 16k 47.63
Westlake Chemical Corporation (WLK) 0.2 $722k 17k 43.49
North Amern Energy Partners 0.2 $725k 59k 12.27
Iesi Bfc 0.2 $727k 30k 24.31
Kodiak Oil & Gas 0.2 $721k 109k 6.60
BioMarin Pharmaceutical (BMRN) 0.2 $693k 26k 26.92
Lennar Corporation (LEN) 0.2 $684k 37k 18.74
BMC Software 0.2 $702k 15k 47.11
Royal Caribbean Cruises (RCL) 0.2 $682k 15k 47.03
Agilent Technologies Inc C ommon (A) 0.2 $700k 17k 41.42
C.H. Robinson Worldwide (CHRW) 0.2 $692k 8.6k 80.19
Sirona Dental Systems 0.2 $695k 17k 41.81
DealerTrack Holdings 0.2 $695k 35k 20.08
PacWest Ban 0.2 $699k 33k 21.37
Scripps Networks Interactive 0.2 $683k 13k 51.74
Republic Services (RSG) 0.2 $669k 22k 29.88
Illumina (ILMN) 0.2 $659k 10k 63.37
Complete Production Services 0.2 $671k 23k 29.56
SFN 0.2 $659k 68k 9.76
Tesco Corporation 0.2 $662k 42k 15.88
Stec 0.2 $660k 37k 17.65
Skyworks Solutions (SWKS) 0.2 $658k 23k 28.61
Maximus (MMS) 0.2 $637k 9.7k 65.57
InterOil Corporation 0.2 $649k 9.0k 72.11
MB Financial 0.2 $602k 35k 17.32
Ford Motor Company (F) 0.2 $601k 36k 16.79
TrueBlue (TBI) 0.2 $619k 34k 17.99
ON Semiconductor (ON) 0.2 $615k 62k 9.89
Basic Energy Services 0.2 $613k 37k 16.48
Brocade Communications Systems 0.2 $593k 112k 5.29
Myr (MYRG) 0.2 $620k 30k 21.02
Las Vegas Sands (LVS) 0.2 $570k 12k 45.97
Fushi Copperweld 0.2 $566k 64k 8.89
AEGEAN MARINE PETROLEUM Networ Com Stk 0.2 $584k 56k 10.43
Abraxas Petroleum 0.2 $588k 129k 4.57
Power-One 0.2 $589k 58k 10.21
Sourcefire 0.2 $586k 23k 25.93
Kirby Corporation (KEX) 0.2 $546k 12k 44.03
Audiocodes Ltd Com Stk (AUDC) 0.2 $533k 91k 5.89
PetSmart 0.2 $502k 13k 39.84
AutoZone (AZO) 0.2 $518k 1.9k 272.63
Zoran Corporation 0.2 $522k 59k 8.80
Travelzoo 0.2 $488k 12k 41.36
Harvard Bioscience (HBIO) 0.1 $424k 104k 4.09
CF Industries Holdings (CF) 0.1 $405k 3.0k 135.00
Motricity 0.1 $349k 19k 18.56
International Coal 0.1 $310k 40k 7.75
China Valves Technology 0.1 $314k 30k 10.47
DuPont Fabros Technology 0.1 $298k 14k 21.29
Marathon Oil Corporation (MRO) 0.1 $259k 7.0k 37.00
Yum! Brands (YUM) 0.1 $245k 5.0k 49.00
Ryder System (R) 0.1 $221k 4.2k 52.62
NetSuite 0.1 $200k 8.0k 25.00
Tri-tech Holding (TRITF) 0.1 $182k 17k 10.77
PLX Technology 0.0 $108k 30k 3.60
Opnext 0.0 $70k 40k 1.75