Copper Rock Capital Partners as of March 31, 2012
Portfolio Holdings for Copper Rock Capital Partners
Copper Rock Capital Partners holds 0 positions in its portfolio as reported in the March 2012 quarterly 13F filing
{S} {C} {C} {C} {C} {C} {C} {C} {C} {C} {C} {C}
ACACIA RESEARCH COM 003881307 5420 129846 SH DEFINED 1 129846
ACACIA RESEARCH COM 003881307 699 16750 SH OTHER 1,2 16750
ACACIA RESEARCH COM 003881307 2033 48706 SH OTHER 1,3 48706
ACI WORLDWIDE INC COM 004498101 11474 284920 SH DEFINED 1 284920
ACI WORLDWIDE INC COM 004498101 791 19644 SH OTHER 1,2 19644
ACI WORLDWIDE INC COM 004498101 2328 57818 SH OTHER 1,3 57818
AFFILIATED MANAGERS GROUP INC COM 008252108 5070 45344 SH DEFINED 1 45344
AFFILIATED MANAGERS GROUP INC COM 008252108 965 8630 SH OTHER 1,2 8630
AFFILIATED MANAGERS GROUP INC COM 008252108 2812 25149 SH OTHER 1,3 25149
AGILENT TECHNOLOGIES INC COM 00846U101 36 800 SH DEFINED 1 800
AIR METHODS CORP COM 009128307 6078 69663 SH DEFINED 1 69663
AIR METHODS CORP COM 009128307 538 6171 SH OTHER 1,2 6171
AIR METHODS CORP COM 009128307 1577 18079 SH OTHER 1,3 18079
AIRGAS INC COM 009363102 3387 38067 SH DEFINED 1 38067
AIRGAS INC COM 009363102 781 8781 SH OTHER 1,2 8781
AIRGAS INC COM 009363102 2285 25687 SH OTHER 1,3 25687
ALASKA AIR GROUP INC COM 011659109 3381 94400 SH DEFINED 1 94400
ALASKA AIR GROUP INC COM 011659109 408 11396 SH OTHER 1,2 11396
ALASKA AIR GROUP INC COM 011659109 1201 33542 SH OTHER 1,3 33542
ALBEMARLE CORP COM 012653101 2370 37084 SH DEFINED 1 37084
ALBEMARLE CORP COM 012653101 529 8278 SH OTHER 1,2 8278
ALBEMARLE CORP COM 012653101 1563 24460 SH OTHER 1,3 24460
ALIGN TECHNOLOGY INC COM 016255101 6359 230806 SH DEFINED 1 230806
ALIGN TECHNOLOGY INC COM 016255101 608 22085 SH OTHER 1,2 22085
ALIGN TECHNOLOGY INC COM 016255101 1798 65259 SH OTHER 1,3 65259
ALTRA HOLDINGS INC COM 02208R106 3279 170785 SH DEFINED 1 170785
ALTRA HOLDINGS INC COM 02208R106 290 15126 SH OTHER 1,2 15126
ALTRA HOLDINGS INC COM 02208R106 858 44695 SH OTHER 1,3 44695
AMERIGON INC COM 03070L300 1386 85667 SH DEFINED 1 85667
AMERISOURCEBERGEN CORP COM 03073E105 71 1800 SH DEFINED 1 1800
AMETEK INC COM 031100100 4783 98607 SH DEFINED 1 98607
AMETEK INC COM 031100100 1090 22476 SH OTHER 1,2 22476
AMETEK INC COM 031100100 3209 66153 SH OTHER 1,3 66153
APPLE INC COM 037833100 98 163 SH DEFINED 1 163
APPROACH RESOURCES INC COM 03834A103 2582 69871 SH DEFINED 1 69871
ARUBA NETWORKS INC COM 043176106 4095 183781 SH DEFINED 1 183781
ARUBA NETWORKS INC COM 043176106 410 18418 SH OTHER 1,2 18418
ARUBA NETWORKS INC COM 043176106 1213 54425 SH OTHER 1,3 54425
ASSURANT INC COM 04621X108 1436 35450 SH DEFINED 1 35450
ASTEC INDUSTRIES INC COM 046224101 3726 102125 SH DEFINED 1 102125
ASTEC INDUSTRIES INC COM 046224101 315 8629 SH OTHER 1,2 8629
ASTEC INDUSTRIES INC COM 046224101 916 25109 SH OTHER 1,3 25109
ATHENAHEALTH INC COM 04685W103 3001 40490 SH DEFINED 1 40490
ATHENAHEALTH INC COM 04685W103 252 3395 SH OTHER 1,2 3395
ATHENAHEALTH INC COM 04685W103 732 9876 SH OTHER 1,3 9876
AUTOZONE INC COM 053332102 68 184 SH DEFINED 1 184
AVIS BUDGET GROUP INC COM 053774105 3690 260762 SH DEFINED 1 260762
AVIS BUDGET GROUP INC COM 053774105 379 26780 SH OTHER 1,2 26780
AVIS BUDGET GROUP INC COM 053774105 1109 78391 SH OTHER 1,3 78391
BE AEROSPACE INC COM 073302101 8904 191615 SH DEFINED 1 191615
BE AEROSPACE INC COM 073302101 1086 23364 SH OTHER 1,2 23364
BE AEROSPACE INC COM 073302101 3196 68766 SH OTHER 1,3 68766
BALLY TECHNOLOGIES INC COM 05874B107 1304 27900 SH DEFINED 1 27900
BED BATH & BEYOND INC COM 075896100 115 1756 SH DEFINED 1 1756
BGC PARTNERS INC COM 05541T101 1680 227400 SH DEFINED 1 227400
BIG LOTS INC COM 089302103 1798 41800 SH DEFINED 1 41800
BIO-RAD LABORATORIES INC COM 090572207 1213 11700 SH DEFINED 1 11700
BJS RESTAURANTS INC COM 09180C106 3668 72845 SH DEFINED 1 72845
BJS RESTAURANTS INC COM 09180C106 279 5536 SH OTHER 1,2 5536
BJS RESTAURANTS INC COM 09180C106 811 16103 SH OTHER 1,3 16103
BORGWARNER INC COM 099724106 52 620 SH DEFINED 1 620
BRADY CORPORATION COM 104674106 1614 49900 SH DEFINED 1 49900