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) 2,413

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

Sector Weighting

Basic Materials 2.43%
Capital Goods 4.1%
Conglomerates 0.8%
Consumer Cyclical 6.4%
Consumer/Non-Cyclical 4.32%
Energy 10%
Financial 8.12%
Healthcare 8.84%
Services 21.05%
Technology 20.23%
Transportation 3.94%
Utilities 4.15%

294 INCREASED Positions as of 12/31/2013

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
3M CO COM 1,824 1,824 New 13,244
58 COM INC SPON ADR REP A 1,395 1,395 New 32,414
8X8 INC NEW COM 12,779 12,779 New 1,193,155
ABRAXAS PETE CORP COM 543 543 New 105,375
ACADIA HEALTHCARE COMPANY INC COM 8,193 8,193 New 197,958
ACCELERON PHARMA INC COM 7,575 70 .93 197,219
ACCESS MIDSTREAM PARTNERS L P UNIT 12,981 5,176 66.32 220,276
ACELRX PHARMACEUTICALS INC COM 8,572 5,309 162.72 802,644
ACUITY BRANDS INC COM 5,296 994 23.11 42,036
ADEPT TECHNOLOGY INC COM NEW 2,192 2,192 New 149,612
ADVANCED EMISSIONS SOLUTS INC COM 5,768 4,374 313.83 251,214
AIRMEDIA GROUP INC SPONSORED ADR 5,531 1,512 37.62 2,560,743
ALLEGHENY TECHNOLOGIES INC COM 527 527 New 12,777
ALTISOURCE PORTFOLIO SOLNS SA REG SHS 9,239 2,059 28.68 78,947
ALTISOURCE RESIDENTIAL CORP CL B 12,482 4,001 47.18 428,632
ALTRA INDL MOTION CORP COM 3,639 3,639 New 106,842
AMBIT BIOSCIENCES CORP COM 416 416 New 60,000
AMC NETWORKS INC CL A 1,963 807 69.85 28,535
AMERICAN EAGLE ENERGY CORP COM NEW 173 173 New 23,556
APOGEE ENTERPRISES INC COM 2,867 2,867 New 93,190