DRIEHAUS CAPITAL MANAGEMENT LLC Information

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

Report Date: 03/31/2015

Position Statistics

Total Positions 624
New Positions 150
Increased Positions 292
Decreased Positions 320
Positions with Activity 612
Sold Out Positions 154
Total Mkt Value (in $ millions) 2,758

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

Sector Weighting

Basic Materials 1.64%
Capital Goods 2.21%
Conglomerates 1.26%
Consumer Cyclical 5.89%
Consumer/Non-Cyclical 5.45%
Energy 5.5%
Financial 10.78%
Healthcare 10.29%
Services 22.04%
Technology 18.96%
Transportation 1.8%
Utilities 2.46%

612 Activity Positions as of 03/31/2015

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
2U INC COM 2,462 2,462 New 88,965
8X8 INC NEW COM 3,300 -7,357 (69.03) 392,411
ABAXIS INC COM 3,658 -1,782 (32.76) 69,418
ABBVIE INC COM -695 Sold Out 0
ABIOMED INC COM 1,904 1,904 New 30,000
ACADIA HEALTHCARE COMPANY INC COM 5,546 -2,393 (30.14) 77,617
ACADIA PHARMACEUTICALS COM 2,026 1,410 228.69 49,961
ACCELERON PHARMA INC COM 1,900 -4,565 (70.61) 57,715
ACCO BRANDS CORP COM -182 Sold Out 0
ACHILLION PHARMACEUTICALS INC COM -993 Sold Out 0
ACTAVIS PLC SHS 5,207 -1,368 (20.81) 17,278
ADEPT TECHNOLOGY INC COM NEW -62 Sold Out 0
ADEPTUS HEALTH INC CL A 2,266 -707 (23.78) 33,751
ADVANCED SEMICONDUCTOR ENGR SPONSORED ADR 553 254 85.29 79,553
AEGEAN MARINE PETROLEUM NETWRK SHS 2,753 256 10.26 193,440
AERIE PHARMACEUTICALS INC COM 1,133 -31 (2.66) 103,722
AGIOS PHARMACEUTICALS INC COM -1,420 Sold Out 0
AKORN INC COM -809 Sold Out 0
ALAMO GROUP INC COM 2,161 2,161 New 40,130
ALDER BIOPHARMACEUTICALS INC COM 3,778 -54 (1.42) 97,426