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
ABBOTT LABS COM 002824100 574 11,701 SH   SOLE   0 0 11,701
ACCENTURE PLC IRELAND SHS CLASS A G1151C101 319 3,300 SH   SOLE   0 0 3,300
AFLAC INC COM 001055102 339 5,455 SH   SOLE   0 0 5,455
AIR LEASE CORP CL A 00912X302 18,433 543,758 SH   SOLE   0 0 543,758
AMGEN INC COM 031162100 1,174 7,650 SH   SOLE   0 0 7,650
ANACOR PHARMACEUTICALS INC COM 032420101 348 4,500 SH   SOLE   0 0 4,500
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 424 3,115 SH   SOLE   0 0 3,115
CARMAX INC COM 143130102 25,533 385,643 SH   SOLE   0 0 385,643
CATAMARAN CORP COM 148887102 22,061 361,180 SH   SOLE   0 0 361,180
COCA COLA CO COM 191216100 785 20,000 SH   SOLE   0 0 20,000
COGNIZANT TECHNOLOGY SOLUTIO CL A 192446102 23,789 389,415 SH   SOLE   0 0 389,415
COLGATE PALMOLIVE CO COM 194162103 776 11,858 SH   SOLE   0 0 11,858
CONOCOPHILLIPS COM 20825C104 419 6,831 SH   SOLE   0 0 6,831
EBAY INC COM 278642103 2,382 39,550 SH   SOLE   0 0 39,550
EMERSON ELEC CO COM 291011104 482 8,700 SH   SOLE   0 0 8,700
EXXON MOBIL CORP COM 30231G102 603 7,242 SH   SOLE   0 0 7,242
F5 NETWORKS INC COM 315616102 14,095 117,115 SH   SOLE   0 0 117,115
FACTSET RESH SYS INC COM 303075105 20,837 128,218 SH   SOLE   0 0 128,218
FASTENAL CO COM 311900104 23,640 560,446 SH   SOLE   0 0 560,446
FIRST FINL BANCORP OH COM 320209109 7,052 393,069 SH   SOLE   0 0 393,069
FRANKLIN RES INC COM 354613101 2,195 44,775 SH   SOLE   0 0 44,775
GILEAD SCIENCES INC COM 375558103 39,366 336,229 SH   SOLE   0 0 336,229
HCC INS HLDGS INC COM 404132102 1,383 18,000 SH   SOLE   0 0 18,000
IPG PHOTONICS CORP COM 44980X109 16,880 198,184 SH   SOLE   0 0 198,184
ISHARES TR CORE S&P500 ETF 464287200 3,115 15,031 SH   SOLE   0 0 15,031
JOHNSON & JOHNSON COM 478160104 417 4,274 SH   SOLE   0 0 4,274
JPMORGAN CHASE & CO COM 46625H100 397 5,861 SH   SOLE   0 0 5,861
MCDONALDS CORP COM 580135101 1,426 15,000 SH   SOLE   0 0 15,000
MYRIAD GENETICS INC COM 62855J104 12,763 375,482 SH   SOLE   0 0 375,482
NEOGEN CORP COM 640491106 400 8,437 SH   SOLE   0 0 8,437
NORFOLK SOUTHERN CORP COM 655844108 325 3,717 SH   SOLE   0 0 3,717
NORTHERN TR CORP COM 665859104 918 12,000 SH   SOLE   0 0 12,000
O REILLY AUTOMOTIVE INC NEW COM 67103H107 25,753 113,962 SH   SOLE   0 0 113,962
PHILIP MORRIS INTL INC COM 718172109 317 3,950 SH   SOLE   0 0 3,950
PRECISION CASTPARTS CORP COM 740189105 21,095 105,543 SH   SOLE   0 0 105,543
PRICE T ROWE GROUP INC COM 74144T108 16,300 209,704 SH   SOLE   0 0 209,704
PRICELINE GRP INC COM NEW 741503403 21,981 19,091 SH   SOLE   0 0 19,091
PROCTER & GAMBLE CO COM 742718109 2,444 31,232 SH   SOLE   0 0 31,232
ROCKWELL MED INC COM 774374102 405 25,108 SH   SOLE   0 0 25,108
ROPER TECHNOLOGIES INC COM 776696106 27,569 159,856 SH   SOLE   0 0 159,856
SHIRE PLC SPONSORED ADR 82481R106 32,209 133,375 SH   SOLE   0 0 133,375
SIGNATURE BK NEW YORK N Y COM 82669G104 26,689 182,317 SH   SOLE   0 0 182,317
SPDR S&P 500 ETF TR TR UNIT 78462F103 3,526 17,128 SH   SOLE   0 0 17,128
TRACTOR SUPPLY CO COM 892356106 30,481 338,906 SH   SOLE   0 0 338,906
UBIQUITI NETWORKS INC COM 90347A100 13,242 414,910 SH   SOLE   0 0 414,910
VANGUARD INDEX FDS TOTAL STK MKT 922908769 275 2,565 SH   SOLE   0 0 2,565
VARIAN MED SYS INC COM 92220P105 894 10,600 SH   SOLE   0 0 10,600
VISA INC COM CL A 92826C839 35,489 528,499 SH   SOLE   0 0 528,499
WALGREENS BOOTS ALLIANCE INC COM 931427108 304 3,600 SH   SOLE   0 0 3,600
WATERS CORP COM 941848103 1,849 14,400 SH   SOLE   0 0 14,400