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Institutional Investment Manager
BLAIR WILLIAM & CO/IL
BLAIR WILLIAM & CO/IL (CIK: 0000902367) incorporated in Delaware, located at 150 North Riverside Plaza, Chicago, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q4)
Portfolio Summary: 1,415 holdings with a total value of $11,179,895,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 APPLE INC 2,674,498 309,760,000 2.77%
2 IDEXX LAB 2,124,568 249,148,000 2.23%
3 VISA INC 2,893,963 225,787,000 2.02%
4 STARBUCKS CORP 4,006,130 222,420,000 1.99%
5 AMAZON COM INC 257,247 192,902,000 1.73%
6 MICROSOFT CORP 2,981,478 185,269,000 1.66%
7 ALPHABET INC 181,836 140,345,000 1.26%
8 FASTENAL CO 2,874,418 135,040,000 1.21%
9 MASTERCARD INCORPORATED 1,240,579 128,090,000 1.15%
10 DANAHER CORP DEL 1,581,691 123,119,000 1.10%
11 SPDR S&P 500 ETF TR 549,643 122,862,000 1.10%
12 FACEBOOK INC 1,066,632 122,716,000 1.10%
13 ZOETIS INC 2,197,963 117,657,000 1.05%
14 GILEAD SCIENCES INC 1,568,957 112,353,000 1.00%
15 WALGREENS BOOTS ALLIANCE INC 1,298,472 107,462,000 0.96%
16 ADOBE INC 1,022,490 105,265,000 0.94%
17 RED HAT INC 1,481,077 103,231,000 0.92%
18 SCHLUMBERGER LTD 1,228,402 103,124,000 0.92%
19 GOLDMAN SACHS GROUP INC 413,947 99,120,000 0.89%
20 AFFILIATED MANAGERS GROUP 663,315 96,380,000 0.86%
21 ECOLAB INC 819,487 96,060,000 0.86%
22 GENERAL ELECTRIC CO 2,973,595 93,966,000 0.84%
23 COSTCO WHSL CORP NEW 586,183 93,854,000 0.84%
24 CELGENE CORP 786,432 91,030,000 0.81%
25 JPMORGAN CHASE & CO 1,049,944 90,600,000 0.81%
26 EOG RES INC 888,145 89,791,000 0.80%
27 INTERCONTINENTAL EXCHANGE IN 1,453,596 82,012,000 0.73%
28 WATSCO INC 546,449 80,940,000 0.72%
29 SALESFORCE COM INC 1,181,132 80,860,000 0.72%
30 ALPHABET INC 101,323 80,293,000 0.72%
31 BRISTOL MYERS SQUIBB CO 1,371,890 80,173,000 0.72%
32 TRACTOR SUPPLY CO 1,028,005 77,933,000 0.70%
33 Ultimate Software Group Inc 426,779 77,823,000 0.70%
34 VERISK ANALYTICS INC 952,760 77,336,000 0.69%
35 HOME DEPOT INC 573,924 76,952,000 0.69%
36 JOHNSON & JOHNSON 651,995 75,116,000 0.67%
37 ILLINOIS TOOL WKS INC 602,912 73,833,000 0.66%
38 GRAINGER W W INC 308,609 71,674,000 0.64%
39 O REILLY AUTOMOTIVE INC NEW 256,832 71,505,000 0.64%
40 NORTHERN TRUST 777,038 69,195,000 0.62%
41 UNION PAC CORP 649,902 67,382,000 0.60%
42 COSTAR GROUP 351,839 66,318,000 0.59%
43 VANGUARD INDEX FDS 586,743 65,410,000 0.59%
44 AMPHENOL CORP NEW CL A 972,720 65,367,000 0.58%
45 PRAXAIR INC 554,771 65,014,000 0.58%
46 TRANSDIGM GROUP INC COM 258,437 64,340,000 0.58%
47 COLGATE PALMOLIVE CO 968,701 63,392,000 0.57%
48 UNITED PARCEL SERVICE INC 551,083 63,176,000 0.57%
49 INOGEN INC COM 904,316 60,743,000 0.54%
50 DISNEY WALT CO 575,409 59,969,000 0.54%
Page 1 of 29

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-17-008446, filed 2017.02.14).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.