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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 (2017Q1)
Original 13F HR (0001140361-17-019434) filed in 2017.05.11
#
Name
Shares
Value ($)
%
Options
Notes
1 2U, Inc. 3,210,563 127,331 2.15%
2 ABIOMED INC 14,901 1,866 0.03%
3 ACACIA COMMUNICATIONS INC 1,181,565 69,263 1.17%
4 ACADIA COMPANY COM 144,027 6,280 0.11%
5 ACADIA PHARMACEUTICALS INC COM 8,946 308 0.01%
6 ACCENTURE PLC IRELAND 6,553 786 0.01%
7 ACTIVISION BLIZZARD INC 1,790,171 89,258 1.51%
8 ADESTO TECHNOLOGIES CORP 1,673,088 6,943 0.12%
9 ADIDAS AG NPV (REGD) ISIN #DE000A1EWWW0 SEDOL #4031976 140,247 26,735 0.45%
10 ADOBE INC 513,499 66,822 1.13%
11 ADVANCED DRAIN SYS INC DEL 16,672 365 0.01%
12 ADVERUM BIOTECHNOLOGIES INC 45,425 123 0.00%
13 ALIBABA GROUP HLDG LTD 334,945 36,117 0.61%
14 ALIGN TECHNOLOGY INC 699,560 80,247 1.35%
15 ALLEGIANT TRAVEL CO 114,150 18,293 0.31%
16 ALLERGAN PLC 1,657 396 0.01%
17 ALMOST FAMILY INC COM 372,329 18,095 0.31%
18 ALNYLAM PHARMACEUTICALS INC 1,206,049 61,810 1.04%
19 ALPHABET INC 103,761 86,076 1.45%
20 ALPHABET INC 48,432 41,061 0.69%
21 ALTERYX INC 4,229 66 0.00%
22 AMAZON COM INC 533,323 472,812 7.97%
23 AMEDISYS INC COM 831,707 42,492 0.72%
24 AMERICAN INTL GROUP INC 3,303 206 0.00%
25 AMERICAN TOWER CORP NEW 90,564 11,007 0.19%
26 APACHE CORP 1,376,630 70,745 1.19%
27 APPLE INC 26,630 3,826 0.06%
28 APPLIED OPTOELECTRONICS INC COM 269,673 15,142 0.26%
29 ARISTA NETWORKS INC 698,830 92,434 1.56%
30 AT HOME GROUP ORD 90,521 1,372 0.02%
31 ATHENA HEALTH INC. 10,870 1,225 0.02%
32 ATKORE INTL GROUP INC COM 249,266 6,551 0.11%
33 ATLASSIAN CORP PLC 505,197 15,131 0.26%
34 AUTO TRADER GROUP PLC 1,797,807 8,819 0.15%
35 AUTODESK INC 810,263 70,063 1.18%
36 AXIS BANK GDR EACH REPR 1 INR10 REG S ISIN #US05462W1099 SEDOL # 16,871 640 0.01%
37 AXOGEN INC 559,516 5,847 0.10%
38 Abraxas Petroleum Corp 415,071 838 0.01%
39 Amber Road Inc 73,562 568 0.01%
40 BAIDU INC 51,841 8,944 0.15%
41 BANK OF THE OZARKS INC 34,178 1,778 0.03%
42 BASIC ENERGY SVCS INC NEW 213,403 7,119 0.12%
43 BELLATRIX EXPLORATION LTD 640,749 509 0.01%
44 BERKLEY W R CORP 67,655 4,778 0.08%
45 BERKSHIRE HATHAWAY INC DEL 200 33 0.00%
46 BIOSCRIP INC 4,365,726 7,422 0.13%
47 BLACKLINE INC COM 6,154 183 0.00%
48 BMC STK HLDGS INC 1,238,673 27,994 0.47%
49 BOINGO WIRELESS INC COM 2,029,475 26,363 0.44%
50 BOSTON SCIENTIFIC CORP 47,076 1,171 0.02%
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