Dark
Light
System
Institutional Investment Manager
EMERALD ADVISERS, LLC
EMERALD ADVISERS, LLC (CIK: 0001015083) incorporated in Pennsylvania, located at 3175 Oregon Pike, Leola, PA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q2)
Original 13F HR (0001144204-15-044575) filed in 2015.07.28
#
Name
Shares
Value ($)
%
Options
Notes
1 8X8 INC NEW COM 1,363,339 12,216 0.58%
2 ACADIA COMPANY COM 381,936 29,917 1.43%
3 ACTUA CORP 470,778 6,713 0.32%
4 ACUITY BRANDS INC 25,276 4,549 0.22%
5 ADAMAS PHARMACEUTICALS INC 348,721 9,143 0.44%
6 AFFILIATED MANAGERS GROUP 23,787 5,200 0.25%
7 AIRGAS INC 26,830 2,838 0.14%
8 AKAMAI TECHNOLOGIES INC 19,534 1,364 0.07%
9 AKEBIA THERAPEUTICS INC 42,910 442 0.02%
10 AKORN INCORPORATED 77,172 3,369 0.16%
11 ALARM COM HLDGS INC 259,300 3,988 0.19%
12 ALLIANCE DATA SYSTEMS CORP 11,567 3,377 0.16%
13 ALNYLAM PHARMACEUTICALS INC 43,085 5,165 0.25%
14 AMERICAN EAGLE OUTFITTERS NE 1,427,999 24,590 1.17%
15 AMERISOURCEBERGEN CORP 55,117 5,861 0.28%
16 AMETEK INC NEW 216,069 11,836 0.56%
17 AMICUS THERAPEUTICS INC COM 1,099,630 15,560 0.74%
18 ANDERSONS INC COM 11,096 433 0.02%
19 ANSYS 167,879 15,317 0.73%
20 APOGEE ENTERPRISES INC COM 563,576 29,667 1.41%
21 APPLE INC 7,612 955 0.05%
22 AQUA AMERICA INC 256,771 6,288 0.30%
23 ARAMARK 114,700 3,552 0.17%
24 ARC DOCUMENT SOLUTIONS INC COM 958,217 7,292 0.35%
25 ARGO GROUP INTERNATIONAL 27,190 1,514 0.07%
26 ARMSTRONG WORLD INDS INC NEW COM 168,680 8,987 0.43%
27 ASTRONICS CORP 314,056 22,263 1.06%
28 ATLAS FINANCIAL HOLDINGS INC SHS NEW 390,782 7,749 0.37%
29 ATRICURE INC 561,648 13,839 0.66%
30 AVAGO TECHNOLOGIES LTD SHS 11,292 1,501 0.07%
31 AVIS BUDGET GROUP 46,839 2,065 0.10%
32 AXALTA COATING SYS LTD 139,040 4,599 0.22%
33 Abaxis Inc 218,483 11,248 0.54%
34 Arris Group Inc 14,714 450 0.02%
35 B/E AEROSPACE INC 33,650 1,847 0.09%
36 BANK OF THE OZARKS INC 611,958 27,997 1.33%
37 BELLICUM PHARMACEUTICALS INCORPORATED 198,992 4,233 0.20%
38 BLACK BOX CORP 54,609 1,092 0.05%
39 BLACK DIAMOND INC 72,739 672 0.03%
40 BLUEBIRD BIO INC COM 60,967 10,265 0.49%
41 BOFI HLDG INCORPORATED 56,698 5,994 0.29%
42 BON-TON STORES INC 375,922 1,737 0.08%
43 BORGWARNER INC 36,494 2,074 0.10%
44 BRUNSWICK CORP 76,000 3,865 0.18%
45 BRYN MAWR BK CORP 243,083 7,331 0.35%
46 BURLINGTON STORES INC 210,904 10,798 0.51%
47 BURNHAM HLDGS INC CL A 62,200 1,182 0.06%
48 BioTelemetry Inc 623,837 5,883 0.28%
49 CABOT CORP 15,786 589 0.03%
50 CABOT OIL & GAS CORP 68,118 2,148 0.10%
Page 1 of 7