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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 (2015Q1)
Portfolio Summary: 343 holdings with a total value of $1,992,227,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 MACROGENICS INC 378,969 12,135,000 0.61%
52 MYLAN N V 166,099 12,077,000 0.61%
53 8X8 INC NEW COM 1,361,428 12,062,000 0.61%
54 CROWN HOLDINGS INC 216,991 11,984,000 0.60%
55 CUBESMART 486,520 11,633,000 0.58%
56 Marcus & Millichap Inc Com 298,030 11,605,000 0.58%
57 FCB FINL HLDGS INC CL A 430,182 11,503,000 0.58%
58 AMETEK INC NEW 216,309 11,315,000 0.57%
59 FIVE BELOW INC 324,731 11,307,000 0.57%
60 BLUEBIRD BIO INC COM 82,524 10,958,000 0.55%
61 ROADRUNNER TRANSHOLDINGS INC 424,906 10,716,000 0.54%
62 ENERSYS 152,711 10,549,000 0.53%
63 CHUYS HLDGS INC COM 422,382 10,458,000 0.52%
64 AMTRUST FINL SVCS INC 173,556 10,450,000 0.52%
65 INOGEN INC COM 272,943 10,312,000 0.52%
66 POLYONE CORP 257,937 10,140,000 0.51%
67 ARMSTRONG WORLD INDS INC NEW COM 175,530 10,118,000 0.51%
68 SQBG Inc 780,724 10,095,000 0.51%
69 GUIDEWIRE SOFTWARE INC 193,731 9,989,000 0.50%
70 CONNECTONE BANCORP INC COM 494,656 9,829,000 0.49%
71 ACUITY BRANDS INC 57,893 9,587,000 0.48%
72 CoBiz Financial Inc 750,916 9,394,000 0.47%
73 CNB FINANCIAL CORP (PA) COM 517,123 9,169,000 0.46%
74 TENNANT CO 136,740 9,107,000 0.46%
75 BOFI HLDG INCORPORATED 97,808 8,954,000 0.45%
76 VONAGE HLDGS CORP 1,796,851 8,858,000 0.44%
77 INSMED INC 416,622 8,762,000 0.44%
78 SAFEGUARD SCIENTIFICS INCORPORATED COM NEW 460,681 8,684,000 0.44%
79 LIBERTY PROP 236,705 8,391,000 0.42%
80 ARC DOCUMENT SOLUTIONS INC COM 945,767 8,379,000 0.42%
81 SUPER MICRO COMPUTER INC COM 271,475 8,057,000 0.40%
82 KORN FERRY COM NEW 245,172 8,020,000 0.40%
83 GIGAMON INC 255,570 7,782,000 0.39%
84 HEICO CORP NEW 130,640 7,635,000 0.38%
85 BRYN MAWR BK CORP 243,223 7,557,000 0.38%
86 ATRICURE INC 367,186 7,513,000 0.38%
87 AMICUS THERAPEUTICS INC COM 702,309 7,487,000 0.38%
88 ATLAS FINANCIAL HOLDINGS INC SHS NEW 387,517 7,394,000 0.37%
89 BURLINGTON STORES INC 141,569 7,387,000 0.37%
90 CHEGG INC COM 918,980 7,333,000 0.37%
91 CHANNELADVISOR CORP COM 651,493 7,303,000 0.37%
92 ZS PHARMA INC 181,122 7,247,000 0.36%
93 MODEL N INCORPORATED 596,235 7,238,000 0.36%
94 INPHI CORPORATION 387,907 7,145,000 0.36%
95 ACTUA CORP 469,598 7,020,000 0.35%
96 AQUA AMERICA INC 257,081 6,964,000 0.35%
97 FCB Financial Holdings Inc 544,671 6,955,000 0.35%
98 QUAKER CHEM CORP 78,687 6,928,000 0.35%
99 VIRGIN AMERICA ORD 227,421 6,870,000 0.34%
100 VEEVA SYS INC 248,307 6,769,000 0.34%
Page 2 of 7

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-15-025897, filed 2015.04.29).

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.