Institution Information
Reportee Signature Date Report period Total Entries Total Value($)
BLAIR WILLIAM & CO/IL 08-13-2019 06-30-2019 1734 17,489,083,000
Institutional Holdings
Issuer Class Position Value Shares Portfolio Percentage (%) Previous Percentage (%) Shares Delta Shares Delta(%)
MICROSOFT CORP COM 1 $547,231,000 4,085,036 3.13 2.88 82,250 2.05
AMAZON COM INC COM 2 $505,585,000 266,992 2.89 2.86 3,602 1.37
APPLE INC COM 3 $499,757,000 2,525,045 2.86 2.92 2,837 0.11
VISA INC COM CL A 4 $461,941,000 2,661,715 2.64 2.50 34,961 1.33
IDEXX LABS INC COM 5 $433,273,000 1,573,648 2.48 2.16 -8,574 -0.54
VEEVA SYS INC CL A COM 6 $332,100,000 2,048,606 1.90 1.64 -72,331 -3.41
MASTERCARD INC CL A 7 $310,806,000 1,174,938 1.78 1.64 35,478 3.11
ZOETIS INC CL A 8 $270,474,000 2,383,238 1.55 1.46 -3,045 -0.13
DANAHER CORPORATION COM 9 $258,604,000 1,809,430 1.48 1.41 61,480 3.52
PAYPAL HLDGS INC COM 10 $235,538,000 2,057,818 1.35 1.25 87,413 4.44
ALPHABET INC CAP STK CL C 11 $234,915,000 217,331 1.34 1.53 2,818 1.31
ADOBE INC COM 12 $231,121,000 784,390 1.32 1.28 -805 -0.10
WORKDAY INC CL A 13 $223,661,000 1,087,949 1.28 1.27 10,606 0.98
STARBUCKS CORP COM 14 $223,433,000 2,665,308 1.28 1.20 10,552 0.40
FISERV INC COM 15 $192,380,000 2,110,354 1.10 0.88 477,806 29.27
ECOLAB INC COM 16 $187,426,000 949,280 1.07 1.01 12,351 1.32
JPMORGAN CHASE & CO COM 17 $186,775,000 1,670,617 1.07 0.98 85,945 5.42
VANGUARD INDEX FDS GROWTH ETF 18 $182,560,000 1,117,328 1.04 1.04 29,742 2.73
DEXCOM INC COM 19 $170,505,000 1,137,916 0.97 0.73 127,561 12.63
SPDR S&P 500 ETF TR TR UNIT 20 $155,500,000 530,716 0.89 0.93 -7,233 -1.34
GUIDEWIRE SOFTWARE INC COM 21 $154,366,000 1,522,647 0.88 0.86 67,425 4.63
SALESFORCE COM INC COM 22 $147,336,000 971,043 0.84 0.92 15,747 1.65
ALPHABET INC CAP STK CL A 23 $147,291,000 136,028 0.84 0.93 6,045 4.65
RED HAT INC COM Liquidated $0 0 0.88 1.53 -409,577 -34.21
COSTAR GROUP INC COM 25 $142,460,000 257,121 0.81 0.74 -1,932 -0.75
VERISK ANALYTICS INC COM 26 $139,555,000 952,854 0.80 0.80 -31,289 -3.18
INTERCONTINENTAL EXCHANGE IN COM 27 $139,035,000 1,617,811 0.79 0.73 38,526 2.44
FASTENAL CO COM 28 $124,876,000 3,831,738 0.71 0.80 1,779,135 86.68
BERKSHIRE HATHAWAY INC DEL CL B NEW 29 $123,480,000 579,257 0.71 0.67 31,551 5.76
AMERICAN TOWER CORP NEW COM 30 $123,182,000 602,504 0.70 0.67 44,363 7.95
STRYKER CORP COM 31 $114,244,000 555,716 0.65 0.66 10,535 1.93
ACCENTURE PLC IRELAND SHS CLASS A 32 $113,720,000 615,470 0.65 0.63 24,514 4.15
DISNEY WALT CO COM DISNEY 33 $111,041,000 795,192 0.63 0.46 112,743 16.52
FORTIVE CORP COM 34 $110,808,000 1,359,273 0.63 0.64 111,687 8.95
ABBOTT LABS COM 35 $110,722,000 1,316,551 0.63 0.63 30,911 2.40
JOHNSON & JOHNSON COM 36 $109,937,000 789,325 0.63 0.66 20,526 2.67
VANGUARD GROUP DIV APP ETF 37 $109,816,000 953,598 0.63 0.63 12,911 1.37
HOME DEPOT INC COM 38 $109,001,000 524,118 0.62 0.60 8,775 1.70
ULTIMATE SOFTWARE GROUP INC COM Liquidated $0 0 0.63 0.97 -230,263 -42.52
BOEING CO COM 40 $102,753,000 282,282 0.59 0.64 5,748 2.08
VANGUARD INTL EQUITY INDEX F ALLWRLD EX US 41 $102,702,000 2,014,153 0.59 0.61 11,145 0.56
INTUIT COM 42 $102,237,000 391,218 0.58 0.66 -24,844 -5.97
EOG RES INC COM 43 $100,677,000 1,080,693 0.58 0.62 8,629 0.80
NETFLIX INC COM 44 $99,756,000 271,578 0.57 0.59 -353 -0.13
CARMAX INC COM 45 $99,688,000 1,148,084 0.57 0.42 153,526 15.44
WATSCO INC COM 46 $98,009,000 599,333 0.56 0.53 -2,188 -0.36
TYLER TECHNOLOGIES INC COM 47 $97,788,000 452,678 0.56 0.53 27,874 6.56
EXACT SCIENCES CORP COM 48 $93,274,000 790,189 0.53 0.42 -1,256 -0.16
COSTCO WHSL CORP NEW COM 49 $87,863,000 332,486 0.50 0.45 29,895 9.88
COPART INC COM 50 $86,115,000 1,152,198 0.49 0.31 303,740 35.80
WEX INC COM 51 $84,341,000 405,290 0.48 0.45 18,266 4.72
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