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 525 11,701 SH   SOLE   0 0 11,701
ACCENTURE PLC IRELAND SHS CLASS A G1151C101 345 3,300 SH   SOLE   0 0 3,300
AFLAC INC COM 001055102 338 5,638 SH   SOLE   0 0 5,638
AIR LEASE CORP CL A 00912X302 21,183 632,713 SH   SOLE   0 0 632,713
AMGEN INC COM 031162100 1,242 7,650 SH   SOLE   0 0 7,650
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 411 3,115 SH   SOLE   0 0 3,115
BIOGEN INC COM 09062X103 18,962 61,895 SH   SOLE   0 0 61,895
BLACKHAWK NETWORK HLDGS INC COM 09238E104 10,274 232,389 SH   SOLE   0 0 232,389
CARMAX INC COM 143130102 21,679 401,693 SH   SOLE   0 0 401,693
CENTRAL FD CDA LTD CL A 153501101 214 21,400 SH   SOLE   0 0 21,400
COCA COLA CO COM 191216100 859 20,000 SH   SOLE   0 0 20,000
COGNIZANT TECHNOLOGY SOLUTIO CL A 192446102 23,557 392,490 SH   SOLE   0 0 392,490
COLGATE PALMOLIVE CO COM 194162103 790 11,858 SH   SOLE   0 0 11,858
CONOCOPHILLIPS COM 20825C104 312 6,681 SH   SOLE   0 0 6,681
EBAY INC COM 278642103 989 36,000 SH   SOLE   0 0 36,000
EMERSON ELEC CO COM 291011104 237 4,950 SH   SOLE   0 0 4,950
EXXON MOBIL CORP COM 30231G102 555 7,117 SH   SOLE   0 0 7,117
FACTSET RESH SYS INC COM 303075105 20,149 123,938 SH   SOLE   0 0 123,938
FASTENAL CO COM 311900104 23,076 565,308 SH   SOLE   0 0 565,308
FIRST FINL BANCORP OH COM 320209109 7,103 393,069 SH   SOLE   0 0 393,069
FISERV INC COM 337738108 216 2,360 SH   SOLE   0 0 2,360
FRANKLIN RES INC COM 354613101 1,604 43,575 SH   SOLE   0 0 43,575
GILEAD SCIENCES INC COM 375558103 33,696 332,993 SH   SOLE   0 0 332,993
IPG PHOTONICS CORP COM 44980X109 19,617 220,019 SH   SOLE   0 0 220,019
ISHARES TR SHT NTLAMTFR ETF 464288158 943 8,900 SH   SOLE   0 0 8,900
ISHARES TR CORE S&P500 ETF 464287200 3,400 16,594 SH   SOLE   0 0 16,594
ISHARES TR CORE ST USDB ETF 46432F859 511 5,150 SH   SOLE   0 0 5,150
JOHNSON & JOHNSON COM 478160104 439 4,274 SH   SOLE   0 0 4,274
JPMORGAN CHASE & CO COM 46625H100 387 5,861 SH   SOLE   0 0 5,861
MCDONALDS CORP COM 580135101 1,418 12,000 SH   SOLE   0 0 12,000
NEOGEN CORP COM 640491106 477 8,437 SH   SOLE   0 0 8,437
NORFOLK SOUTHERN CORP COM 655844108 314 3,717 SH   SOLE   0 0 3,717
NORTHERN TR CORP COM 665859104 865 12,000 SH   SOLE   0 0 12,000
O REILLY AUTOMOTIVE INC NEW COM 67103H107 27,969 110,366 SH   SOLE   0 0 110,366
PAYPAL HLDGS INC COM 70450Y103 1,303 36,000 SH   SOLE   0 0 36,000
PHILIP MORRIS INTL INC COM 718172109 347 3,950 SH   SOLE   0 0 3,950
PRECISION CASTPARTS CORP COM 740189105 20,863 89,925 SH   SOLE   0 0 89,925
PRICE T ROWE GROUP INC COM 74144T108 7,892 110,393 SH   SOLE   0 0 110,393
PRICELINE GRP INC COM NEW 741503403 24,618 19,309 SH   SOLE   0 0 19,309
PROCTER & GAMBLE CO COM 742718109 2,480 31,232 SH   SOLE   0 0 31,232
REALTY INCOME CORP COM 756109104 654 12,675 SH   SOLE   0 0 12,675
ROCKWELL MED INC COM 774374102 257 25,108 SH   SOLE   0 0 25,108
ROPER TECHNOLOGIES INC COM 776696106 29,817 157,104 SH   SOLE   0 0 157,104
SHIRE PLC SPONSORED ADR 82481R106 26,900 131,218 SH   SOLE   0 0 131,218
SIGNATURE BK NEW YORK N Y COM 82669G104 27,634 180,177 SH   SOLE   0 0 180,177
SKYWORKS SOLUTIONS INC COM 83088M102 15,055 195,953 SH   SOLE   0 0 195,953
SPDR S&P 500 ETF TR TR UNIT 78462F103 2,788 13,675 SH   SOLE   0 0 13,675
TRACTOR SUPPLY CO COM 892356106 29,157 341,021 SH   SOLE   0 0 341,021
UBIQUITI NETWORKS INC COM 90347A100 13,067 412,340 SH   SOLE   0 0 412,340
VARIAN MED SYS INC COM 92220P105 856 10,600 SH   SOLE   0 0 10,600
VISA INC COM CL A 92826C839 37,188 479,538 SH   SOLE   0 0 479,538
WALGREENS BOOTS ALLIANCE INC COM 931427108 307 3,600 SH   SOLE   0 0 3,600
WATERS CORP COM 941848103 1,898 14,100 SH   SOLE   0 0 14,100
ZELTIQ AESTHETICS INC COM 98933Q108 9,576 335,650 SH   SOLE   0 0 335,650