DRIEHAUS CAPITAL MANAGEMENT LLC Information

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

Report Date: 03/31/2015

Position Statistics

Total Positions 628
New Positions 153
Increased Positions 296
Decreased Positions 320
Positions with Activity 616
Sold Out Positions 153
Total Mkt Value (in $ millions) 2,697

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

Sector Weighting

Basic Materials 1.49%
Capital Goods 2.31%
Conglomerates 1.42%
Consumer Cyclical 5.47%
Consumer/Non-Cyclical 4.55%
Energy 4.7%
Financial 10.83%
Healthcare 11.4%
Services 22.06%
Technology 19.26%
Transportation 1.85%
Utilities 2.2%

628 Positions as of 03/31/2015

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
2U INC COM 2,855 2,855 New 88,965
8X8 INC NEW COM 3,418 -7,619 (69.03) 392,411
ABAXIS INC COM 3,475 -1,693 (32.76) 69,418
ABBVIE INC COM -743 Sold Out 0
ABENGOA YIELD PLC ORD SHS 476 New 18,755
ABIOMED INC COM 2,324 2,324 New 30,000
ACADIA HEALTHCARE COMPANY INC COM 6,192 -2,672 (30.14) 77,617
ACADIA PHARMACEUTICALS COM 2,439 1,697 228.69 49,961
ACCELERON PHARMA INC COM 1,653 -3,972 (70.61) 57,715
ACCO BRANDS CORP COM -192 Sold Out 0
ACHILLION PHARMACEUTICALS INC COM -916 Sold Out 0
ADEPT TECHNOLOGY INC COM NEW -81 Sold Out 0
ADEPTUS HEALTH INC CL A 3,709 -1,157 (23.78) 33,751
ADVANCED SEMICONDUCTOR ENGR SPONSORED ADR 445 205 85.29 79,553
AEGEAN MARINE PETROLEUM NETWRK SHS 2,114 197 10.26 193,440
AERIE PHARMACEUTICALS INC COM 1,882 -51 (2.66) 103,722
AGIOS PHARMACEUTICALS INC COM -1,325 Sold Out 0
AKORN INC COM -850 Sold Out 0
ALAMO GROUP INC COM 2,108 2,108 New 40,130
ALDER BIOPHARMACEUTICALS INC COM 4,523 -65 (1.42) 97,426