The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
Albany Molecular Research Conv CONV 012423AA7 5,920 6,400,000 PRN   SOLE   0 0 6,400,000
Integra Life Sciences Conv Sr CONV 457985AK5 3,168 2,950,000 PRN   SOLE   0 0 2,950,000
NuVasive Conv Sr Notes CONV 670704AC9 19,328 17,845,000 PRN   SOLE   0 0 17,845,000
WebMD Health Conv Sr Notes CONV 94770VAF9 3,689 3,755,000 PRN   SOLE   0 0 3,755,000
Wright Medical Conv Sr Notes CONV 98235TAA5 586 540,000 PRN   SOLE   0 0 540,000
ACI Worldwide COM 004498101 8,781 135,100 SH   SOLE   0 0 135,100
Abaxis COM 002567105 3,499 87,450 SH   SOLE   0 0 87,450
Acxiom COM 005125109 9,707 262,500 SH   SOLE   0 0 262,500
Advisory Board COM 00762W107 899 14,125 SH   SOLE   0 0 14,125
AeroVironment COM 008073108 6,227 213,700 SH   SOLE   0 0 213,700
Albany Molecular Research COM 012423109 9,537 946,150 SH   SOLE   0 0 946,150
Allscripts COM 01988P108 5,341 345,450 SH   SOLE   0 0 345,450
AngioDynamics COM 03475V101 1,441 84,000 SH   SOLE   0 0 84,000
Ansys COM 03662Q105 7,570 86,817 SH   SOLE   0 0 86,817
ArthroCare COM 043136100 12,755 316,975 SH   SOLE   0 0 316,975
Atwood Oceanics COM 050095108 454 8,500 SH   SOLE   0 0 8,500
Berkshire Hathaway Cl A COM 084670108 356 2 SH   SOLE   0 0 2
Bio Reference Labs COM 09057G602 8,313 325,500 SH   SOLE   0 0 325,500
Blackbaud COM 09227Q100 3,688 97,950 SH   SOLE   0 0 97,950
Brady COM 104674106 1,998 64,600 SH   SOLE   0 0 64,600
Capella Education COM 139594105 246 3,700 SH   SOLE   0 0 3,700
Cepheid COM 15670R107 14,520 311,110 SH   SOLE   0 0 311,110
Cerner COM 156782104 2,274 40,800 SH   SOLE   0 0 40,800
Charles River Labs COM 159864107 7,959 150,050 SH   SOLE   0 0 150,050
Chevron COM 166764100 225 1,800 SH   SOLE   0 0 1,800
Cognex COM 192422103 34,535 904,520 SH   SOLE   0 0 904,520
Computer Programs & Systems COM 205306103 5,907 95,575 SH   SOLE   0 0 95,575
Costar Group COM 22160N109 434 2,350 SH   SOLE   0 0 2,350
F5 Networks COM 315616102 691 7,600 SH   SOLE   0 0 7,600
FactSet Research System COM 303075105 24,111 222,055 SH   SOLE   0 0 222,055
Forrester Research COM 346563109 17,597 459,937 SH   SOLE   0 0 459,937
Fortinet COM 34959E109 1,879 98,200 SH   SOLE   0 0 98,200
Forward Air COM 349853101 2,664 60,675 SH   SOLE   0 0 60,675
Franklin Electric COM 353514102 8,477 189,900 SH   SOLE   0 0 189,900
Furiex Pharmaceuticals COM 36106P101 2,064 49,134 SH   SOLE   0 0 49,134
Genesee & Wyoming Class A COM 371559105 684 7,125 SH   SOLE   0 0 7,125
Gentex COM 371901109 29,931 907,535 SH   SOLE   0 0 907,535
HMS Holdings COM 40425J101 16,518 727,670 SH   SOLE   0 0 727,670
Haemonetics COM 405024100 31,044 736,870 SH   SOLE   0 0 736,870
Healthcare Services Grp COM 421906108 5,729 201,930 SH   SOLE   0 0 201,930
Healthways COM 422245100 5,310 345,900 SH   SOLE   0 0 345,900
Hologic COM 436440101 22,514 1,007,325 SH   SOLE   0 0 1,007,325
Huron Consulting Grp COM 447462102 9,351 149,204 SH   SOLE   0 0 149,204
ICON PLC COM G4705A100 31,126 770,135 SH   SOLE   0 0 770,135
IDEXX Laboratories COM 45168D104 28,890 271,598 SH   SOLE   0 0 271,598
IPC Hospitalist COM 44984A105 15,064 253,640 SH   SOLE   0 0 253,640
ITRON COM 465741106 7,155 172,700 SH   SOLE   0 0 172,700
Illumina COM 452327109 24,335 220,050 SH   SOLE   0 0 220,050
Integra Lifesciences COM 457985208 2,004 42,000 SH   SOLE   0 0 42,000
Jack Henry & Associates COM 426281101 18,986 320,655 SH   SOLE   0 0 320,655
LKQ COM 501889208 32,308 982,018 SH   SOLE   0 0 982,018
Lindsay COM 535555106 1,655 20,000 SH   SOLE   0 0 20,000
Linear Tech COM 535678106 2,036 44,700 SH   SOLE   0 0 44,700
Manhattan Associates COM 562750109 49,552 421,791 SH   SOLE   0 0 421,791
Mednax COM 58502b106 11,349 212,600 SH   SOLE   0 0 212,600
Meridian Bioscience COM 589584101 3,344 126,050 SH   SOLE   0 0 126,050
Merit Medical Systems COM 589889104 5,788 367,750 SH   SOLE   0 0 367,750
Micros Systems COM 594901100 9,495 165,510 SH   SOLE   0 0 165,510
Morningstar COM 617700109 13,031 166,870 SH   SOLE   0 0 166,870
National Instruments COM 636518102 2,289 71,500 SH   SOLE   0 0 71,500
NeuStar COM 64126x201 1,294 25,950 SH   SOLE   0 0 25,950
Nice Systems COM 653656108 12,675 309,450 SH   SOLE   0 0 309,450
NuVasive COM 670704105 225 6,950 SH   SOLE   0 0 6,950
Oceaneering Intl COM 675232102 583 7,395 SH   SOLE   0 0 7,395
Pengrowth Energy Tr COM 706902509 74 12,000 SH   SOLE   0 0 12,000
Quaker Chemical COM 747316107 4,871 63,200 SH   SOLE   0 0 63,200
ResMed COM 761152107 26,587 564,725 SH   SOLE   0 0 564,725
SEI Investments COM 784117103 20,498 590,200 SH   SOLE   0 0 590,200
SM Energy COM 78454L100 598 7,200 SH   SOLE   0 0 7,200
Skyworks Solutions COM 83088M102 1,563 54,735 SH   SOLE   0 0 54,735
TIBCO Software COM 88632Q103 6,887 306,350 SH   SOLE   0 0 306,350
Thoratec COM 885175307 1,931 52,750 SH   SOLE   0 0 52,750
Trimble Navigation COM 896239100 12,475 359,500 SH   SOLE   0 0 359,500
UQM Technologies COM 903213106 53 25,000 SH   SOLE   0 0 25,000
VCA Antech COM 918194101 721 23,000 SH   SOLE   0 0 23,000
Valeant Pharmaceuticals Int'l COM 91911k102 76,886 654,903 SH   SOLE   0 0 654,903
Verint Systems COM 92343x100 4,756 110,750 SH   SOLE   0 0 110,750
Wright Medical COM 98235T107 611 19,900 SH   SOLE   0 0 19,900
Zebra Technologies COM 989207105 17,173 317,550 SH   SOLE   0 0 317,550
El Paso Conv Pfd PFD 283678209 225 4,000 SH   SOLE   0 0 4,000