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Institutional Investment Manager
GILDER GAGNON HOWE & CO LLC
GILDER GAGNON HOWE & CO LLC (CIK: 0000902464) incorporated in New York, located at 475 10th Avenue, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q3)
Portfolio Summary: 257 holdings with a total value of $6,306,490,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 0 74,639,940 523,822,000 8.31%
2 NETFLIX INC 4,204,727 434,180,000 6.88%
3 AMAZON COM INC 680,960 348,577,000 5.53%
4 FACEBOOK INC 2,664,911 239,575,000 3.80%
5 TESLA INC 710,280 176,434,000 2.80%
6 UNDER ARMOUR INC 1,740,163 168,413,000 2.67%
7 2U, Inc. 3,527,769 126,647,000 2.01%
8 ALNYLAM PHARMACEUTICALS INC 1,493,847 120,046,000 1.90%
9 PAYCOM SOFTWARE INC 3,322,806 119,322,000 1.89%
10 ACADIA HEALTHCARE COMPANY IN 1,725,049 114,319,000 1.81%
11 INCYTE 1,033,764 114,055,000 1.81%
12 LINKEDIN CORP COM CL A 582,832 110,814,000 1.76%
13 TRIPADVISOR INC 1,729,735 109,008,000 1.73%
14 EPAM SYS INC 1,444,062 107,612,000 1.71%
15 HUBSPOT INCORPORATED 2,273,631 105,428,000 1.67%
16 ILLUMINA INC 558,158 98,135,000 1.56%
17 SPIRIT AIRLS INC 1,999,589 94,581,000 1.50%
18 PACIRA BIOSCIENCES INC 2,164,724 88,970,000 1.41%
19 MASONITE INTL CORP NEW COM 1,354,547 82,058,000 1.30%
20 NXSTAGE MED INC COM 5,184,950 81,767,000 1.30%
21 DEXCOM 892,672 76,645,000 1.22%
22 SOLARCITY CORP 1,778,888 75,976,000 1.20%
23 LULULEMON ATHLETICA 1,440,863 72,980,000 1.16%
24 HDFC BANK LTD 1,168,936 71,410,000 1.13%
25 PROOFPOINT INC 1,147,226 69,201,000 1.10%
26 LDR HLDG CORP COM 1,937,365 66,897,000 1.06%
27 EXACT SCIENCES CORP 3,533,565 63,569,000 1.01%
28 Adeptus Health Inc 714,509 57,704,000 0.91%
29 GTT COMMUNICATIONS INC COM 2,469,892 57,450,000 0.91%
30 FIESTA RESTAURANT GROUP INC COM 1,210,795 54,934,000 0.87%
31 SHOPIFY INC 1,559,206 54,884,000 0.87%
32 SHAKE SHACK INC CL A 1,150,567 54,537,000 0.86%
33 BIOMARIN 485,162 51,097,000 0.81%
34 ICICI BANK LIMITED 6,051,436 50,711,000 0.80%
35 JD COM INC ADR 1,936,434 50,463,000 0.80%
36 AKAMAI TECH 725,296 50,089,000 0.79%
37 ELECTRONIC ARTS INC 706,958 47,896,000 0.76%
38 ULTA BEAUTY INC 274,377 44,819,000 0.71%
39 BUFFALO WILD WINGS INC 229,850 44,460,000 0.70%
40 DEMANDWARE INC 859,837 44,436,000 0.70%
41 TWITTER INC 1,612,295 43,435,000 0.69%
42 MARTIN MARIETTA MATLS INC 285,785 43,425,000 0.69%
43 FOUNDATION MEDICINE INC COM 2,252,352 41,556,000 0.66%
44 TABLEAU SOFTWARE INC CL A 520,278 41,508,000 0.66%
45 CRAY INCORPORATED COM NEW 1,874,825 37,140,000 0.59%
46 LGI HOMES INC 1,349,870 36,703,000 0.58%
47 STARBUCKS CORP 624,351 35,488,000 0.56%
48 GOOGLE INC 58,277 35,457,000 0.56%
49 POOL CORPORATION 483,783 34,978,000 0.55%
50 SAGE THERAPEUTICS 816,539 34,556,000 0.55%
Page 1 of 6

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001140361-15-040120, filed 2015.11.09).

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.