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

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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 Laboratories COM 002824100 116 1,930 SH   DFND 1 1,930 0 0
AbbVie Inc COM 00287Y109 151 1,600 SH   DFND 1 1,600 0 0
Align Technology Inc COM 016255101 1,802 7,175 SH   DFND 1 7,175 0 0
Alleghany Corp COM 017175100 258 417 SH   DFND 1 417 0 0
Alphabet INC-CL A COM 02079K305 35,047 33,805 SH   DFND 1 33,805 0 0
Alphabet INC-CL C COM 02079K107 40,703 39,453 SH   DFND 1 39,453 0 0
Altria Group Inc COM 02209S103 2,891 46,380 SH   DFND 1 46,380 0 0
Amazon.com Inc COM 023135106 116 80 SH   DFND 1 80 0 0
American Express Co COM 025816109 140 1,500 SH   DFND 1 1,500 0 0
Amgen Inc COM 031162100 3 20 SH   DFND 1 20 0 0
Anadarko Petroleum Corp COM 032511107 217 3,600 SH   DFND 1 3,600 0 0
Apple Inc COM 037833100 1,003 5,972 SH   DFND 1 5,972 0 0
Ball Corp COM 058498106 5 114 SH   DFND 1 114 0 0
Bank of New York Mellon Corp/The COM 064058100 845 16,387 SH   DFND 1 16,387 0 0
Berkshire Hathaway Inc Cl B CL B NEW 084670702 63,165 316,563 SH   DFND 1 316,563 0 0
CarMax Inc COM 143130102 93 1,500 SH   DFND 1 1,500 0 0
Cerner Corp COM 156782104 28,367 488,910 SH   DFND 1 488,910 0 0
Coca-Cola Co/The COM 191216100 130 3,000 SH   DFND 1 3,000 0 0
Comcast Corp COM USD0.01 CL A COM 20030N101 66,107 1,935,490 SH   DFND 1 1,935,490 0 0
Cognizant Technology Solutions Corp COM 192446102 66,608 827,377 SH   DFND 1 827,377 0 0
Colgate-Palmolive Co COM 194162103 215 3,000 SH   DFND 1 3,000 0 0
Costco Wholesale Corp COM 22160K105 116 620 SH   DFND 1 620 0 0
CVS Caremark Corp COM 126650100 43,364 696,889 SH   DFND 1 696,889 0 0
Dollar General Corp COM 256677105 351 3,750 SH   DFND 1 3,750 0 0
eBay Inc COM 278642103 132 3,275 SH   DFND 1 3,275 0 0
Ecolab Inc COM 278865100 97 710 SH   DFND 1 710 0 0
Equinix Inc COM 29444U700 89 212 SH   DFND 1 212 0 0
Exxon Mobil Corp COM 30231G102 197 2,640 SH   DFND 1 2,640 0 0
Facebook Inc COM 30303M102 64 400 SH   DFND 1 400 0 0
Fiserv Inc COM 337738108 39,564 554,890 SH   DFND 1 554,890 0 0
Hershey Co/The COM 427866108 374 3,783 SH   DFND 1 3,783 0 0
Home Depot Inc/The COM 437076102 94 530 SH   DFND 1 530 0 0
Honeywell International Inc COM 438516106 76 525 SH   DFND 1 525 0 0
Intuit Inc COM 461202103 294 1,695 SH   DFND 1 1,695 0 0
Johnson & Johnson COM 478160104 410 3,200 SH   DFND 1 3,200 0 0
KeyCorp COM 493267108 525 26,844 SH   DFND 1 26,844 0 0
Laboratory Corp of America Holdings COM 50540R409 54,410 336,370 SH   DFND 1 336,370 0 0
Marsh & McLennan Cos Inc COM 571748102 1,085 13,142 SH   DFND 1 13,142 0 0
Mastercard Inc COM 57636Q104 63,829 364,498 SH   DFND 1 364,498 0 0
Merck & Co Inc COM 58933Y105 120 2,200 SH   DFND 1 2,200 0 0
Microsoft Corp COM 594918104 87,696 961,052 SH   DFND 1 961,052 0 0
Moody's Corp COM 615369105 2,129 13,205 SH   DFND 1 13,205 0 0
Northern Trust Corp COM 665859104 4,131 40,056 SH   DFND 1 40,056 0 0
Oracle Corp COM 68389X105 1,238 27,050 SH   DFND 1 27,050 0 0
Paychex Inc COM 704326107 584 9,476 SH   DFND 1 9,476 0 0
PayPal Holdings Inc COM 70450Y103 294 3,875 SH   DFND 1 3,875 0 0
PepsiCo Inc COM 713448108 68 625 SH   DFND 1 625 0 0
Philip Morris International Inc COM 718172109 447 4,500 SH   DFND 1 4,500 0 0
Praxair Inc COM 74005P104 87 600 SH   DFND 1 600 0 0
Principal Financial Group Inc COM 74251V102 286 4,700 SH   DFND 1 4,700 0 0
Procter & Gamble Co/The COM 742718109 31 385 SH   DFND 1 385 0 0
Symantec Corp COM 871503108 75 2,900 SH   DFND 1 2,900 0 0
Thermo Fisher Scientific Inc COM 883556102 79,074 382,989 SH   DFND 1 382,989 0 0
Union Pacific Corp COM 907818108 571 4,250 SH   DFND 1 4,250 0 0
UnitedHealth Group Inc COM 91324P102 88,732 403,565 SH   DFND 1 403,565 0 0
United Parcel Service Inc COM 911312106 136 1,300 SH   DFND 1 1,300 0 0
United Technologies Corp COM 913017109 612 4,865 SH   DFND 1 4,865 0 0
Verizon Communications Inc COM 92343V104 110 2,296 SH   DFND 1 2,296 0 0
Visa Inc COM 92826C839 206 1,725 SH   DFND 1 1,725 0 0
Walt Disney Co/The COM 254687106 194 1,930 SH   DFND 1 1,930 0 0
Wec Energy Group Inc COM 92939U106 364 5,810 SH   DFND 1 5,810 0 0
Xylem Inc/NY COM 98419M100 591 7,680 SH   DFND 1 7,680 0 0