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%

287 DECREASED Positions as of 12/31/2013

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
ACADIA PHARMACEUTICALS COM 5,283 -988 (15.76) 271,779
AEGEAN MARINE PETROLEUM NETWRK SHS 2,595 -1,250 (32.51) 281,768
AEGERION PHARMACEUTICALS INC COM -944 Sold Out 0
AERCAP HOLDINGS NV SHS 7,323 -21,305 (74.42) 185,338
AGIOS PHARMACEUTICALS INC COM 10,297 -195 (1.86) 253,182
AKORN INC COM 696 -813 (53.87) 30,518
ALASKA AIR GROUP INC COM 3,286 -264 (7.43) 35,354
ALIGN TECHNOLOGY INC COM 3,976 -705 (15.06) 74,462
ALLIANCE FIBER OPTIC PRODS INC COM NEW -991 Sold Out 0
ALNYLAM PHARMACEUTICALS INC COM 6,809 -7,047 (50.86) 126,426
AMAZON COM INC COM -8,826 Sold Out 0
AMERICAN CAP MTG INVT CORP COM -4,627 Sold Out 0
AMERICAN CAPITAL AGENCY CORP COM -4,035 Sold Out 0
AMERICAN RLTY CAP PPTYS INC COM -8,098 Sold Out 0
AMERICAN WOODMARK CORP COM -925 Sold Out 0
AMICUS THERAPEUTICS INC COM -248 Sold Out 0
AMREIT INC NEW CL B -369 Sold Out 0
ANNALY CAP MGMT INC COM -3,974 Sold Out 0
APPLE INC COM -14,392 Sold Out 0
APPLIED MICRO CIRCUITS CORP COM NEW 11,743 -2,406 (17.01) 1,296,136