DRIEHAUS CAPITAL MANAGEMENT LLC Information

25 EAST ERIE ST, CHICAGO, Illinois, 60611, (312) 587-3800

Report Date: 12/31/2013

Position Statistics

Total Positions 587
New Positions 171
Increased Positions 294
Decreased Positions 287
Positions with Activity 581
Sold Out Positions 141
Total Mkt Value (in $ millions) 2,455

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

Sector Weighting

Basic Materials 2.4%
Capital Goods 4.08%
Conglomerates 0.81%
Consumer Cyclical 6.4%
Consumer/Non-Cyclical 4.26%
Energy 9.91%
Financial 8.05%
Healthcare 9.15%
Services 21.12%
Technology 20.08%
Transportation 3.95%
Utilities 4.13%

171 New Positions as of 12/31/2013

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) ▲ Shares Held
3M CO COM 1,839 1,839 New 13,244
58 COM INC SPON ADR REP A 1,516 1,516 New 32,414
8X8 INC NEW COM 13,089 13,089 New 1,193,155
ABRAXAS PETE CORP COM 529 529 New 105,375
ACADIA HEALTHCARE COMPANY INC COM 8,277 8,277 New 197,958
ADEPT TECHNOLOGY INC COM NEW 2,388 2,388 New 149,612
ALLEGHENY TECHNOLOGIES INC COM 509 509 New 12,777
ALTRA INDL MOTION CORP COM 3,748 3,748 New 106,842
AMBIT BIOSCIENCES CORP COM 458 458 New 60,000
AMERICAN EAGLE ENERGY CORP COM NEW 169 169 New 23,556
APOGEE ENTERPRISES INC COM 2,948 2,948 New 93,190
APOLLO COML REAL EST FIN INC COM 4,050 4,050 New 236,548
ARGAN INC COM 1,682 1,682 New 61,116
ARIAD PHARMACEUTICALS INC COM 109 109 New 14,000
ARM HLDGS PLC SPONSORED ADR 601 601 New 11,989
ARROWHEAD RESH CORP COM NEW 2,321 2,321 New 171,657
ASSOCIATED ESTATES RLTY CORP COM 3,217 3,217 New 189,803
ATRICURE INC COM 1,162 1,162 New 69,094
AUTOBYTEL INC COM NEW 1,778 1,778 New 133,850
B/E AEROSPACE INC COM 4,652 4,652 New 55,122