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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 (2015Q1)
Original 13F HR (0001140361-15-017075) filed in 2015.04.30
#
Name
Shares
Value ($)
%
Options
Notes
1 0 1,499,725 5,606 0.08%
2 0 115,180 6,278 0.09%
3 0 578,792 25,901 0.36%
4 0 774,018 3,869 0.05%
5 0 271,402 17,277 0.24%
6 0 21,546 59 0.00%
7 0 1,830,843 51,081 0.71%
8 0 28,600 50 0.00%
9 0 456,895 2,958 0.04%
10 0 698,875 361 0.01%
11 0 8,889 28 0.00%
12 0 83,566 243 0.00%
13 0 47,460 5,507 0.08%
14 0 35,094 26 0.00%
15 0 6,428,238 3,616 0.05%
16 0 60,471 313 0.00%
17 0 56,493 86 0.00%
18 0 28,649 220 0.00%
19 0 916 20 0.00%
20 0 1,551,018 42,902 0.60%
21 0 7,591,750 11,626 0.16%
22 0 13,808,898 44,660 0.62%
23 0 1,992,563 35,929 0.50%
24 0 295,434 5,609 0.08%
25 0 6,762,689 110,963 1.54%
26 0 11,188 305 0.00%
27 0 565 26 0.00%
28 0 10,093 544 0.01%
29 0 689,204 29,153 0.40%
30 0 783,442 34,865 0.48%
31 0 21,687,117 113,935 1.58%
32 0 761,866 659 0.01%
33 58 COM INC 40,907 2,163 0.03%
34 AAC HLDGS INC 479,639 14,667 0.20%
35 ACADIA COMPANY COM 2,017,229 144,434 2.01%
36 ACADIA PHARMACEUTICALS INC COM 317,235 10,339 0.14%
37 AGIOS PHARMACEUTICALS INC 72,082 6,797 0.09%
38 AKAMAI TECHNOLOGIES INC 1,404,064 99,752 1.39%
39 ALIBABA GROUP HLDG LTD 154,517 12,862 0.18%
40 ALIGN TECHNOLOGY INC 8,790 473 0.01%
41 ALLEGIANT TRAVEL CO 154,010 29,615 0.41%
42 ALLEGION PUB LTD CO 1,045 64 0.00%
43 ALNYLAM PHARMACEUTICALS INC 1,748,367 182,564 2.54%
44 AMAYA INC 1,563 37 0.00%
45 AMAZON COM INC 706,827 263,010 3.65%
46 AMBARELLA INC 34,131 2,584 0.04%
47 AMERICAN INTL GROUP INC 353,060 19,344 0.27%
48 AMERICAN TOWER CORP NEW 99,488 9,367 0.13%
49 AMIRA NATURE FOODS LTD 1,305,049 11,693 0.16%
50 APPLE INC 121,801 15,156 0.21%
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