EMERALD ADVISERS INC/PA Information

1857 WILLIAM PENN WAY, LANCASTER, Pennsylvania, 17601, (717) 396-1116

Report Date: 03/31/2013

Position Statistics:

Total Positions 369
New Positions 49
Increased Positions 144
Decreased Positions 167
Positions with Activity 311
Sold Out Positions 43
Total Mkt Value
(in $ millions)
1,688

Sector Weighting

Basic Materials 4%
Capital Goods 10.7%
Conglomerates 0.47%
Consumer Cyclical 1.95%
Consumer/Non-Cyclical 1.07%
Energy 6.19%
Financial 11.91%
Healthcare 18.64%
Services 19.18%
Technology 22.47%
Transportation 3.04%
Utilities 0.37%

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

49 New Positions as of 03/31/2013

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
AEGERION PHARMACEUTICALS INC COM 17,666 17,666 New 286,931
ACUITY BRANDS INC COM 11,051 11,051 New 142,532
EVERCORE PARTNERS INC CLASS A 10,760 10,760 New 259,845
AMTRUST FINANCIAL SERVICES INC COM 9,706 9,706 New 300,682
CELLDEX THERAPEUTICS INC NEW COM 9,291 9,291 New 732,184
8X8 INC NEW COM 5,252 5,252 New 709,782
MISTRAS GROUP INC COM 4,378 4,378 New 208,997
DELEK US HLDGS INC COM 4,091 4,091 New 110,939
HEALTH INS INNOVATIONS INC COM CL A 4,007 4,007 New 351,808
UNI PIXEL INC COM NEW 3,632 3,632 New 133,562
EVERBANK FINL CORP COM 3,428 3,428 New 208,161
ONYX PHARMACEUTICALS INC COM 2,660 2,660 New 27,812
BONANZA CREEK ENERGY INC COM 2,593 2,593 New 67,620
GREEN MTN COFFEE ROASTERS INC COM 2,515 2,515 New 31,588
B/E AEROSPACE INC COM 2,325 2,325 New 36,933
MCGRAW HILL FINL INC COM 1,902 1,902 New 34,149
OCWEN FINL CORP COM NEW 1,865 1,865 New 42,150
ATLAS FINANCIAL HOLDINGS INC SHS NEW 1,613 1,613 New 219,450
LITHIA MTRS INC CL A 1,586 1,586 New 30,412
CAMBREX CORP COM 1,582 1,582 New 120,229