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 Laboratories COM 002824100 88 2,100 SH   SOLE NONE 2,100 0 0
AbbVie Inc COM 00287Y109 103 1,800 SH   SOLE NONE 1,800 0 0
Activision Blizzard Inc COM 00507V109 509 15,040 SH   SOLE NONE 15,040 0 0
Align Technology Inc COM 016255101 577 7,938 SH   SOLE NONE 7,938 0 0
Alleghany Corp COM 017175100 207 417 SH   SOLE NONE 417 0 0
Alliance Data Systems Corp COM 018581108 351 1,596 SH   SOLE NONE 1,596 0 0
Alphabet INC-CL A COM 02079K305 30,271 39,687 SH   SOLE NONE 39,687 0 0
Alphabet INC-CL C COM 02079K107 24,043 32,281 SH   SOLE NONE 32,281 0 0
Altria Group Inc COM 02209S103 5,115 81,645 SH   SOLE NONE 81,645 0 0
American Express Co COM 025816109 92 1,500 SH   SOLE NONE 1,500 0 0
Anadarko Petroleum Corp COM 032511107 284 6,100 SH   SOLE NONE 6,100 0 0
Apache Corp COM 037411105 39 800 SH   SOLE NONE 800 0 0
Apple Inc COM 037833100 619 5,681 SH   SOLE NONE 5,681 0 0
Applied Materials Inc COM 038222105 309 14,591 SH   SOLE NONE 14,591 0 0
AT&T Inc COM 00206R102 78 2,000 SH   SOLE NONE 2,000 0 0
Bank of New York Mellon Corp/The COM 064058100 673 18,280 SH   SOLE NONE 18,280 0 0
Berkshire Hathaway Inc Cl B CL B NEW 084670702 25,891 182,536 SH   SOLE NONE 182,536 0 0
BorgWarner Inc COM 099724106 348 9,080 SH   SOLE NONE 9,080 0 0
Comcast Corp COM USD0.01 CL A COM 20030N101 50,939 833,896 SH   SOLE NONE 833,896 0 0
Cognizant Technology Solutions Corp COM 192446102 47,793 762,127 SH   SOLE NONE 762,127 0 0
Colgate-Palmolive Co COM 194162103 71 1,000 SH   SOLE NONE 1,000 0 0
CVS Caremark Corp COM 126650100 49,685 479,166 SH   SOLE NONE 479,166 0 0
Discovery Communications Inc COM 25470F104 25 875 SH   SOLE NONE 875 0 0
Discovery Communications Inc COM 25470F302 24 875 SH   SOLE NONE 875 0 0
Dollar General Corp COM 256677105 334 3,900 SH   SOLE NONE 3,900 0 0
Dr Pepper Snapple Group Inc COM 26138E109 333 3,724 SH   SOLE NONE 3,724 0 0
eBay Inc COM 278642103 119 4,975 SH   SOLE NONE 4,975 0 0
EMC Corp/MA COM 268648102 230 8,643 SH   SOLE NONE 8,643 0 0
Estee Lauder Cos Inc/The COM 518439104 567 6,013 SH   SOLE NONE 6,013 0 0
Exxon Mobil Corp COM 30231G102 288 3,440 SH   SOLE NONE 3,440 0 0
Fiserv Inc COM 337738108 1,600 15,600 SH   SOLE NONE 15,600 0 0
FLIR Systems Inc COM 302445101 278 8,435 SH   SOLE NONE 8,435 0 0
Fortune Brands Home & Security Inc COM 34964C106 453 8,080 SH   SOLE NONE 8,080 0 0
Halliburton Co COM 406216101 3,852 107,830 SH   SOLE NONE 107,830 0 0
Hershey Co/The COM 427866108 729 7,919 SH   SOLE NONE 7,919 0 0
Honeywell International Inc COM 438516106 81 725 SH   SOLE NONE 725 0 0
Illinois Tool Works Inc COM 452308109 487 4,749 SH   SOLE NONE 4,749 0 0
International Business Machines Corp COM 459200101 182 1,200 SH   SOLE NONE 1,200 0 0
International Flavors & Fragrances Inc COM 459506101 147 1,294 SH   SOLE NONE 1,294 0 0
Intuit Inc COM 461202103 698 6,715 SH   SOLE NONE 6,715 0 0
Johnson & Johnson COM 478160104 382 3,530 SH   SOLE NONE 3,530 0 0
KeyCorp COM 493267108 296 26,844 SH   SOLE NONE 26,844 0 0
Laboratory Corp of America Holdings COM 50540R409 9,345 79,800 SH   SOLE NONE 79,800 0 0
Marsh & McLennan Cos Inc COM 571748102 2,486 40,900 SH   SOLE NONE 40,900 0 0
Mastercard Inc COM 57636Q104 33,985 359,740 SH   SOLE NONE 359,740 0 0
Merck & Co Inc COM 58933Y105 883 16,684 SH   SOLE NONE 16,684 0 0
Microsoft Corp COM 594918104 65,466 1,185,331 SH   SOLE NONE 1,185,331 0 0
Northern Trust Corp COM 665859104 4,463 68,500 SH   SOLE NONE 68,500 0 0
Oracle Corp COM 68389X105 41,232 1,007,745 SH   SOLE NONE 1,007,745 0 0
Paychex Inc COM 704326107 1,291 23,909 SH   SOLE NONE 23,909 0 0
PayPal Holdings Inc COM 70450Y103 326 8,445 SH   SOLE NONE 8,445 0 0
PepsiCo Inc COM 713448108 99 965 SH   SOLE NONE 965 0 0
Pfizer Inc COM 717081103 167 5,650 SH   SOLE NONE 5,650 0 0
Philip Morris International Inc COM 718172109 602 6,135 SH   SOLE NONE 6,135 0 0
Praxair Inc COM 74005P104 69 600 SH   SOLE NONE 600 0 0
Principal Financial Group Inc COM 74251V102 303 7,675 SH   SOLE NONE 7,675 0 0
Procter & Gamble Co/The COM 742718109 32 385 SH   SOLE NONE 385 0 0
Quest Diagnostics Inc COM 74834L100 129 1,800 SH   SOLE NONE 1,800 0 0
Reynolds American Inc COM 761713106 798 15,852 SH   SOLE NONE 15,852 0 0
Symantec Corp COM 871503108 59 3,200 SH   SOLE NONE 3,200 0 0
TJX Cos Inc COM 872540109 516 6,585 SH   SOLE NONE 6,585 0 0
Union Pacific Corp COM 907818108 16,845 211,777 SH   SOLE NONE 211,777 0 0
UnitedHealth Group Inc COM 91324P102 57,596 446,865 SH   SOLE NONE 446,865 0 0
United Parcel Service Inc CL B 911312106 232 2,200 SH   SOLE NONE 2,200 0 0
United Technologies Corp COM 913017109 677 6,765 SH   SOLE NONE 6,765 0 0
Varian Medical Systems Inc COM 92220P105 512 6,400 SH   SOLE NONE 6,400 0 0
Verizon Communications Inc COM 92343V104 1,111 20,548 SH   SOLE NONE 20,548 0 0
Visa Inc COM 92826C839 84 1,100 SH   SOLE NONE 1,100 0 0
Wal-Mart Stores Inc COM 931142103 29 425 SH   SOLE NONE 425 0 0
Walt Disney Co/The COM 254687106 1,289 12,976 SH   SOLE NONE 12,976 0 0
Waters Corp COM 941848103 20,265 153,682 SH   SOLE NONE 153,682 0 0
Wec Energy Group Inc COM 92939U106 349 5,810 SH   SOLE NONE 5,810 0 0
Wells Fargo & Co COM USD1 2/3 COM 949746101 482 9,969 SH   SOLE NONE 9,969 0 0
Xylem Inc/NY COM 98419M100 406 9,930 SH   SOLE NONE 9,930 0 0
Yum! Brands Inc COM 988498101 77 940 SH   SOLE NONE 940 0 0