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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 (2016Q4)
Portfolio Summary: 263 holdings with a total value of $5,070,514,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 AMAZON COM INC 584,836 438,551,000 8.65%
2 NETFLIX INC 3,063,362 379,244,000 7.48%
3 FACEBOOK INC 2,204,059 253,577,000 5.00%
4 TESLA INC 708,316 151,360,000 2.99%
5 NXSTAGE MED INC COM 5,749,761 150,701,000 2.97%
6 APACHE CORP 1,722,204 109,308,000 2.16%
7 2U, Inc. 3,553,012 107,123,000 2.11%
8 METRO BANK PLC 2,923,319 105,657,000 2.08%
9 FLEXION THERAPEUTICS INC COM 4,379,002 83,289,000 1.64%
10 ALPHABET INC 104,995 81,037,000 1.60%
11 ULTA BEAUTY INC 294,924 75,188,000 1.48%
12 RINGCENTRAL INC 3,493,641 71,969,000 1.42%
13 HUBSPOT INCORPORATED 1,528,352 71,833,000 1.42%
14 IMPINJ INC 2,000,946 70,713,000 1.39%
15 SHAKE SHACK INC CL A 1,952,043 69,864,000 1.38%
16 ARISTA NETWORKS INC COM 710,670 68,772,000 1.36%
17 MARTIN MARIETTA MATLS INC 301,202 66,725,000 1.32%
18 ACTIVISION BLIZZARD INC 1,825,927 65,934,000 1.30%
19 LUMENTUM HLDGS INC 1,703,849 65,854,000 1.30%
20 LGI HOMES INC 2,142,756 61,561,000 1.21%
21 OCADO GROUP PLC ORD GBP0.02 ISIN #GB00B3MBS747 SEDOL #B3MBS74 18,531,629 60,475,000 1.19%
22 ACACIA COMMUNICATIONS INC 948,131 58,547,000 1.15%
23 GIGAMON INC 1,278,667 58,243,000 1.15%
24 ALIGN TECHNOLOGY INC 597,451 57,433,000 1.13%
25 GTT COMMUNICATIONS INC COM 1,941,730 55,825,000 1.10%
26 INCYTE 552,302 55,379,000 1.09%
27 GLAUKOS CORP 1,534,129 52,621,000 1.04%
28 EXACT SCIENCES CORP 3,712,851 49,604,000 0.98%
29 ZAYO GROUP HOLDINGS 1,507,380 49,533,000 0.98%
30 DIRTT ENVIRONMENTAL SOLUT LTD COM ISIN #CA25490H1064 SEDOL #BH13 10,492,255 49,056,000 0.97%
31 ADOBE INC 470,116 48,398,000 0.95%
32 MCDONALDS CORP 379,857 46,236,000 0.91%
33 POOL CORPORATION 442,548 46,175,000 0.91%
34 ALNYLAM PHARMACEUTICALS INC 1,230,794 46,081,000 0.91%
35 TRIPADVISOR INC 976,039 45,259,000 0.89%
36 FIRST REP BK SAN FRANCISCO C 463,232 42,682,000 0.84%
37 ZILLOW GROUP 1,159,344 42,281,000 0.83%
38 Q2 Holdings Inc 1,433,413 41,354,000 0.82%
39 NINTENDO LTD ADR UNSPONSORED 1,569,040 41,266,000 0.81%
40 EPAM SYS INC 631,598 40,618,000 0.80%
41 SPIRIT AIRLS INC 691,309 39,999,000 0.79%
42 PACIRA BIOSCIENCES INC 1,226,278 39,609,000 0.78%
43 ALPHABET INC 49,622 39,323,000 0.78%
44 DOMINOS PIZZA ENTERPRISES LIMITED NPV ISIN #AU000000DMP0 SEDOL # 833,809 39,238,000 0.77%
45 TENCENT HLDGS LIMITED COMMON STOCK 1,518,930 37,164,000 0.73%
46 HDFC BANK LTD 581,090 35,261,000 0.70%
47 AMEDISYS INC COM 824,202 35,136,000 0.69%
48 VEEVA SYS INC 851,044 34,637,000 0.68%
49 PDF SOLUTIONS INC COM 1,530,989 34,524,000 0.68%
50 YOOX NET-A-PORTER GROUP NPV ISIN #IT0003540470 SEDOL #B4YC9W4 1,138,930 32,363,000 0.64%
Page 1 of 6

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001140361-17-003800, filed 2017.02.01).

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.