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 152
Increased Positions 295
Decreased Positions 321
Positions with Activity 616
Sold Out Positions 154
Total Mkt Value (in $ millions) 2,719

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

Sector Weighting

Basic Materials 1.55%
Capital Goods 2.29%
Conglomerates 1.36%
Consumer Cyclical 5.62%
Consumer/Non-Cyclical 4.91%
Energy 5.06%
Financial 10.93%
Healthcare 10.56%
Services 22.19%
Technology 19.38%
Transportation 1.76%
Utilities 2.2%

616 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 2,743 2,743 New 88,965
8X8 INC NEW COM 3,551 -7,916 (69.03) 392,411
ABAXIS INC COM 3,611 -1,760 (32.76) 69,418
ABBVIE INC COM -727 Sold Out 0
ABIOMED INC COM 1,985 1,985 New 30,000
ACADIA HEALTHCARE COMPANY INC COM 6,208 -2,678 (30.14) 77,617
ACADIA PHARMACEUTICALS COM 2,082 1,448 228.69 49,961
ACCELERON PHARMA INC COM 1,733 -4,163 (70.61) 57,715
ACCO BRANDS CORP COM -185 Sold Out 0
ACHILLION PHARMACEUTICALS INC COM -930 Sold Out 0
ADEPT TECHNOLOGY INC COM NEW -82 Sold Out 0
ADEPTUS HEALTH INC CL A 3,204 -1,000 (23.78) 33,751
ADVANCED SEMICONDUCTOR ENGR SPONSORED ADR 531 244 85.29 79,553
AEGEAN MARINE PETROLEUM NETWRK SHS 2,352 219 10.26 193,440
AERIE PHARMACEUTICALS INC COM 1,823 -50 (2.66) 103,722
AGIOS PHARMACEUTICALS INC COM -1,296 Sold Out 0
AKORN INC COM -799 Sold Out 0
ALAMO GROUP INC COM 2,190 2,190 New 40,130
ALDER BIOPHARMACEUTICALS INC COM 4,962 -72 (1.42) 97,426
ALEXION PHARMACEUTICALS INC COM -3,887 Sold Out 0