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
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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 80 2,030 SH   DFND 1 2,030 0 0
AbbVie Inc COM 00287Y109 108 1,750 SH   DFND 1 1,750 0 0
Activision Blizzard Inc COM 00507V109 596 15,040 SH   DFND 1 15,040 0 0
Align Technology Inc COM 016255101 639 7,938 SH   DFND 1 7,938 0 0
Alleghany Corp COM 017175100 229 417 SH   DFND 1 417 0 0
Alliance Data Systems Corp COM 018581108 224 1,146 SH   DFND 1 1,146 0 0
Alphabet INC-CL A COM 02079K305 29,288 41,646 SH   DFND 1 41,646 0 0
Alphabet INC-CL C COM 02079K107 22,860 33,023 SH   DFND 1 33,023 0 0
Altria Group Inc COM 02209S103 5,181 75,125 SH   DFND 1 75,125 0 0
American Express Co COM 025816109 91 1,500 SH   DFND 1 1,500 0 0
Anadarko Petroleum Corp COM 032511107 298 5,600 SH   DFND 1 5,600 0 0
Apple Inc COM 037833100 536 5,607 SH   DFND 1 5,607 0 0
Applied Materials Inc COM 038222105 350 14,591 SH   DFND 1 14,591 0 0
AT&T Inc COM 00206R102 86 2,000 SH   DFND 1 2,000 0 0
Ball Corp COM 058498106 4 58 SH   DFND 1 58 0 0
Bank of New York Mellon Corp/The COM 064058100 710 18,280 SH   DFND 1 18,280 0 0
Berkshire Hathaway Inc Cl B CL B NEW 084670702 37,010 255,646 SH   DFND 1 255,646 0 0
BorgWarner Inc COM 099724106 243 8,220 SH   DFND 1 8,220 0 0
Comcast Corp COM USD0.01 CL A COM 20030N101 54,417 834,546 SH   DFND 1 834,546 0 0
Cognizant Technology Solutions Corp COM 192446102 44,782 782,427 SH   DFND 1 782,427 0 0
Colgate-Palmolive Co COM 194162103 73 1,000 SH   DFND 1 1,000 0 0
CVS Caremark Corp COM 126650100 47,118 492,176 SH   DFND 1 492,176 0 0
Discovery Communications Inc COM 25470F104 22 875 SH   DFND 1 875 0 0
Discovery Communications Inc COM 25470F302 21 875 SH   DFND 1 875 0 0
Dollar General Corp COM 256677105 367 3,900 SH   DFND 1 3,900 0 0
Dr Pepper Snapple Group Inc COM 26138E109 360 3,724 SH   DFND 1 3,724 0 0
eBay Inc COM 278642103 91 3,875 SH   DFND 1 3,875 0 0
EMC Corp/MA COM 268648102 235 8,643 SH   DFND 1 8,643 0 0
Estee Lauder Cos Inc/The COM 518439104 366 4,023 SH   DFND 1 4,023 0 0
Exxon Mobil Corp COM 30231G102 322 3,440 SH   DFND 1 3,440 0 0
Fiserv Inc COM 337738108 1,696 15,600 SH   DFND 1 15,600 0 0
FLIR Systems Inc COM 302445101 261 8,435 SH   DFND 1 8,435 0 0
Fortune Brands Home & Security Inc COM 34964C106 469 8,080 SH   DFND 1 8,080 0 0
Hershey Co/The COM 427866108 898 7,919 SH   DFND 1 7,919 0 0
Honeywell International Inc COM 438516106 84 725 SH   DFND 1 725 0 0
Illinois Tool Works Inc COM 452308109 495 4,749 SH   DFND 1 4,749 0 0
International Business Machines Corp COM 459200101 182 1,200 SH   DFND 1 1,200 0 0
International Flavors & Fragrances Inc COM 459506101 163 1,294 SH   DFND 1 1,294 0 0
Intuit Inc COM 461202103 750 6,715 SH   DFND 1 6,715 0 0
Johnson & Johnson COM 478160104 428 3,530 SH   DFND 1 3,530 0 0
KeyCorp COM 493267108 296 26,844 SH   DFND 1 26,844 0 0
Laboratory Corp of America Holdings COM 50540R409 10,460 80,300 SH   DFND 1 80,300 0 0
Marsh & McLennan Cos Inc COM 571748102 2,800 40,900 SH   DFND 1 40,900 0 0
Mastercard Inc COM 57636Q104 31,792 360,860 SH   DFND 1 360,860 0 0
Merck & Co Inc COM 58933Y105 961 16,684 SH   DFND 1 16,684 0 0
Microsoft Corp COM 594918104 60,892 1,189,876 SH   DFND 1 1,189,876 0 0
Moody's Corp COM 615369105 2,022 21,580 SH   DFND 1 21,580 0 0
Northern Trust Corp COM 665859104 4,539 68,500 SH   DFND 1 68,500 0 0
Oracle Corp COM 68389X105 40,967 1,001,280 SH   DFND 1 1,001,280 0 0
Paychex Inc COM 704326107 1,422 23,909 SH   DFND 1 23,909 0 0
PayPal Holdings Inc COM 70450Y103 182 4,975 SH   DFND 1 4,975 0 0
PepsiCo Inc COM 713448108 102 965 SH   DFND 1 965 0 0
Pfizer Inc COM 717081103 199 5,650 SH   DFND 1 5,650 0 0
Philip Morris International Inc COM 718172109 624 6,135 SH   DFND 1 6,135 0 0
Praxair Inc COM 74005P104 67 600 SH   DFND 1 600 0 0
Principal Financial Group Inc COM 74251V102 316 7,675 SH   DFND 1 7,675 0 0
Procter & Gamble Co/The COM 742718109 33 385 SH   DFND 1 385 0 0
Quest Diagnostics Inc COM 74834L100 147 1,800 SH   DFND 1 1,800 0 0
Reynolds American Inc COM 761713106 855 15,852 SH   DFND 1 15,852 0 0
Symantec Corp COM 871503108 66 3,200 SH   DFND 1 3,200 0 0
TJX Cos Inc COM 872540109 299 3,875 SH   DFND 1 3,875 0 0
Union Pacific Corp COM 907818108 18,469 211,637 SH   DFND 1 211,637 0 0
UnitedHealth Group Inc COM 91324P102 61,740 437,345 SH   DFND 1 437,345 0 0
United Parcel Service Inc CL B 911312106 237 2,200 SH   DFND 1 2,200 0 0
United Technologies Corp COM 913017109 694 6,765 SH   DFND 1 6,765 0 0
Varian Medical Systems Inc COM 92220P105 686 8,350 SH   DFND 1 8,350 0 0
Verizon Communications Inc COM 92343V104 1,108 19,833 SH   DFND 1 19,833 0 0
Visa Inc COM 92826C839 82 1,100 SH   DFND 1 1,100 0 0
Wal-Mart Stores Inc COM 931142103 31 425 SH   DFND 1 425 0 0
Walt Disney Co/The COM 254687106 1,270 12,976 SH   DFND 1 12,976 0 0
Waters Corp COM 941848103 21,551 153,222 SH   DFND 1 153,222 0 0
Wec Energy Group Inc COM 92939U106 379 5,810 SH   DFND 1 5,810 0 0
Wells Fargo & Co COM USD1 2/3 COM 949746101 189 3,982 SH   DFND 1 3,982 0 0
Xylem Inc/NY COM 98419M100 443 9,930 SH   DFND 1 9,930 0 0
Yum! Brands Inc COM 988498101 78 940 SH   DFND 1 940 0 0