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

Institutional Holdings (2016Q1)
Portfolio Summary: 450 holdings with a total value of $25,227,039,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 TAIWAN SEMICONDUCTOR MFG LTD 22,560,776 591,092,000 2.34%
2 DOLLAR GEN CORP NEW 4,969,333 425,375,000 1.69%
3 AFFILIATED MANAGERS GROUP 2,198,830 357,090,000 1.42%
4 SPDR S&P 500 ETF TR 1,702,374 349,872,000 1.39%
5 ISHARES TR 3,442,700 340,173,000 1.35%
6 OLD DOMINION FREIGHT LINE IN 4,849,200 337,601,000 1.34%
7 BAIDU INC 1,694,628 323,471,000 1.28%
8 VANTIV INC 5,759,297 310,311,000 1.23%
9 MEDNAX INC 4,778,089 308,760,000 1.22%
10 ALPHABET INC 394,095 300,655,000 1.19%
11 COSTAR GROUP 1,573,688 296,121,000 1.17%
12 TEVA PHARMACEUTICAL INDS LTD 5,127,907 274,394,000 1.09%
13 GUIDEWIRE SOFTWARE INC 4,944,041 269,351,000 1.07%
14 NXP SEMICONDUCTORS N V 3,237,330 262,450,000 1.04%
15 BROOKFIELD ASSET MGMT INC 7,520,920 261,653,000 1.04%
16 AMBEV SA 49,745,252 257,680,000 1.02%
17 ALIGN TECHNOLOGY INC 3,505,870 254,842,000 1.01%
18 CENTENE CORP DEL 4,114,124 253,307,000 1.00%
19 AMAZON COM INC 417,119 247,619,000 0.98%
20 TRANSDIGM GROUP INC COM 1,098,239 241,986,000 0.96%
21 CHECK POINT SOFTWARE TECH LT 2,754,181 240,908,000 0.95%
22 INTERCONTINENTAL EXCHANGE IN 1,019,337 239,687,000 0.95%
23 TORONTO DOMINION BK ONT 5,521,752 239,207,000 0.95%
24 CERNER CORP 4,431,187 234,676,000 0.93%
25 ISHARES TR 1,973,100 234,444,000 0.93%
26 SIX FLAGS ENTMT CORP NEW 4,186,969 232,335,000 0.92%
27 ALIBABA GROUP HLDG LTD 2,858,241 225,887,000 0.90%
28 SBA COMMUNICATIONS CORPORATION 2,210,743 221,450,000 0.88%
29 NEWELL BRANDS 4,977,620 220,459,000 0.87%
30 SIGNATURE BANK 1,616,980 220,103,000 0.87%
31 MOODYS CORP 2,241,719 216,460,000 0.86%
32 MASTERCARD INCORPORATED 2,233,185 211,036,000 0.84%
33 MICROSOFT CORP 3,803,585 210,072,000 0.83%
34 METTLER-TOLEDO 604,298 208,338,000 0.83%
35 WILLIS TOWERS WATSON PLC LTD SHS 1,741,517 206,648,000 0.82%
36 AKAMAI TECH 3,700,267 205,624,000 0.82%
37 NETEASE INC 1,411,850 202,713,000 0.80%
38 BRISTOL MYERS SQUIBB CO 3,169,317 202,456,000 0.80%
39 FACEBOOK INC 1,767,766 201,702,000 0.80%
40 IDEXX LAB 2,560,522 200,540,000 0.79%
41 RED HAT INC 2,669,809 198,927,000 0.79%
42 BOOZ ALLEN HAMILTON HLDG COR 6,519,448 197,409,000 0.78%
43 SALLY BEAUTY HLDGS INC COM 5,896,681 190,935,000 0.76%
44 SUNCOR ENERGY INC NEW 6,804,581 190,282,000 0.75%
45 CREDICORP LTD 1,443,089 189,059,000 0.75%
46 ROCKWELL COLLINS INC 2,046,453 188,703,000 0.75%
47 MAXIMUS INC 3,557,901 187,288,000 0.74%
48 BALL CORP 2,559,475 182,465,000 0.72%
49 DENTSPLY SIRONA INC 2,919,468 179,927,000 0.71%
50 HOME DEPOT INC 1,325,050 176,801,000 0.70%
Page 1 of 9

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-16-101983, filed 2016.05.16).

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.