0001144204-16-076789.txt : 20160125 0001144204-16-076789.hdr.sgml : 20160125 20160125123531 ACCESSION NUMBER: 0001144204-16-076789 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20151231 FILED AS OF DATE: 20160125 DATE AS OF CHANGE: 20160125 EFFECTIVENESS DATE: 20160125 FILER: COMPANY DATA: COMPANY CONFORMED NAME: EMERALD ADVISERS INC/PA CENTRAL INDEX KEY: 0001015083 IRS NUMBER: 000000000 STATE OF INCORPORATION: PA FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-05618 FILM NUMBER: 161358007 BUSINESS ADDRESS: STREET 1: 3175 OREGON PIKE CITY: LEOLA STATE: PA ZIP: 17540 BUSINESS PHONE: 717-556-8900 MAIL ADDRESS: STREET 1: 3175 OREGON PIKE CITY: LEOLA STATE: PA ZIP: 17540 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001015083 XXXXXXXX 12-31-2015 12-31-2015 false EMERALD ADVISERS INC/PA

3175 Oregon Pike Leola PA 17540

13F HOLDINGS REPORT 028-05618 N Kenneth G. Mertz II 717-396-1116 /s/ Kenneth G. Mertz II Lancaster PA 01-25-2015 0 320 2117815 INFORMATION TABLE 2 infotable.xml APPLIED OPTOELECTRONICS INC COM 03823U102 4911 286203 SH SOLE 252803 0 33400 APPLE INC COM 037833100 1096 10414 SH SOLE 10414 0 0 ABAXIS INC COM 002567105 5926 106436 SH SOLE 92396 0 14040 AMERISOURCEBERGEN CORP COM 03073E105 5716 55117 SH SOLE 680 0 54437 ABC BANCORP COM 03076K108 7646 224935 SH SOLE 204785 0 20150 AMERICAN CAMPUS CMNTYS INC COM 024835100 10913 263977 SH SOLE 229017 0 34960 ACADIA HEALTHCAREPANY INC COM 00404A109 27870 446213 SH SOLE 373682 0 72531 ACTUA CORP COM 005094107 6180 539737 SH SOLE 23252 0 516485 ADAMAS PHARMACEUTICALS INC COM 00548A106 13085 462051 SH SOLE 398230 0 63821 ALLIANCE DATA SYS CORP COM 018581108 3184 11513 SH SOLE 10984 0 529 AMERICAN EAGLE OUTFITTERS INC. 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