Dark
Light
System
Institutional Investment Manager
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (CIK: 0001644956). Institutional holdings reported to the SEC.

Institutional Holdings (2016Q4)
Portfolio Summary: 434 holdings with a total value of $25,044,531,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 TAIWAN SEMICONDUCTOR MFG LTD 19,953,068 573,651,000 2.29%
2 SPDR S&P 500 ETF TR 2,184,824 488,374,000 1.95%
3 ALIBABA GROUP HLDG LTD 4,493,540 394,578,000 1.58%
4 TORONTO DOMINION BK ONT 7,063,759 348,779,000 1.39%
5 VANTIV INC 5,598,565 333,786,000 1.33%
6 ISHARES TR 2,798,100 313,471,000 1.25%
7 AKAMAI TECH 4,603,548 306,965,000 1.23%
8 ALPHABET INC 387,335 306,944,000 1.23%
9 COSTAR GROUP 1,611,403 303,733,000 1.21%
10 RED HAT INC 4,260,498 296,957,000 1.19%
11 SIGNATURE BANK 1,930,812 290,008,000 1.16%
12 AMAZON COM INC 385,880 289,360,000 1.16%
13 SIX FLAGS ENTMT CORP NEW 4,818,670 288,927,000 1.15%
14 CSRA INC 9,070,389 288,801,000 1.15%
15 MICROSOFT CORP 4,623,708 287,317,000 1.15%
16 TRACTOR SUPPLY CO 3,772,193 285,970,000 1.14%
17 TRANSDIGM GROUP INC COM 1,091,745 271,801,000 1.09%
18 OLD DOMINION FREIGHT LINE IN 3,154,724 270,644,000 1.08%
19 BOOZ ALLEN HAMILTON HLDG COR 7,090,330 255,748,000 1.02%
20 ZOETIS INC 4,649,848 248,906,000 0.99%
21 AFFILIATED MANAGERS GROUP 1,697,928 246,709,000 0.99%
22 SBA COMMUNICATIONS CORP NEW CL A 2,365,226 244,233,000 0.98%
23 COPART INC 4,175,975 231,391,000 0.92%
24 O REILLY AUTOMOTIVE INC NEW 813,748 226,556,000 0.90%
25 SUNCOR ENERGY INC NEW 6,916,344 226,411,000 0.90%
26 MASTERCARD INCORPORATED 2,168,348 223,882,000 0.89%
27 MAXIMUS INC 3,849,987 214,791,000 0.86%
28 J2 GLOBAL INC 2,594,027 212,191,000 0.85%
29 VERISK ANALYTICS INC 2,610,454 211,891,000 0.85%
30 BALL CORP 2,777,261 208,489,000 0.83%
31 GUIDEWIRE SOFTWARE INC 4,149,426 204,691,000 0.82%
32 CHECK POINT SOFTWARE TECH LT 2,405,692 203,185,000 0.81%
33 INTERCONTINENTAL EXCHANGE IN 3,541,955 199,837,000 0.80%
34 CREDICORP LTD 1,262,734 199,335,000 0.80%
35 FACEBOOK INC 1,694,998 195,010,000 0.78%
36 CENTENE CORP DEL 3,435,940 194,165,000 0.78%
37 METTLER-TOLEDO 459,776 192,444,000 0.77%
38 MEAD JOHNSON NUTRITION CO 2,714,264 192,061,000 0.77%
39 CANADIAN NAT RES LTD 5,775,388 184,277,000 0.74%
40 MIDDLEBY CORP 1,384,221 178,302,000 0.71%
41 UNION PAC CORP 1,697,230 175,969,000 0.70%
42 HDFC BANK LTD 2,806,452 170,295,000 0.68%
43 HOME DEPOT INC 1,259,264 168,842,000 0.67%
44 NEWELL BRANDS 3,635,765 162,337,000 0.65%
45 DUN & BRADSTREET 1,332,131 161,614,000 0.65%
46 MEDNAX INC 2,392,654 159,494,000 0.64%
47 VEEVA SYS INC 3,883,002 158,038,000 0.63%
48 NETEASE INC 733,486 157,948,000 0.63%
49 KROGER CO 4,516,896 155,878,000 0.62%
50 CERNER CORP 3,229,024 152,959,000 0.61%
Page 1 of 9

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-17-008319, 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.