DRIEHAUS CAPITAL MANAGEMENT LLC Information

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

Report Date: 12/31/2014

Position Statistics

Total Positions 692
New Positions 197
Increased Positions 345
Decreased Positions 345
Positions with Activity 690
Sold Out Positions 214
Total Mkt Value (in $ millions) 2,546

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

Sector Weighting

Basic Materials 2.11%
Capital Goods 2.28%
Conglomerates 0.84%
Consumer Cyclical 8.08%
Consumer/Non-Cyclical 4.24%
Energy 4.62%
Financial 7.81%
Healthcare 12.05%
Services 23.04%
Technology 18.69%
Transportation 2.65%
Utilities 3.69%

692 Positions as of 12/31/2014

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
3M CO COM -2,336 Sold Out 0
8X8 INC NEW COM 9,820 1,684 20.70 1,267,148
ABAXIS INC COM 6,458 6,458 New 103,244
ABBVIE INC COM 642 -2,462 (79.32) 10,618
ABENGOA YIELD PLC ORD SHS 611 -6,007 (90.77) 18,755
ABRAXAS PETE CORP COM -955 Sold Out 0
ACADIA HEALTHCARE COMPANY INC COM 7,365 178 2.48 111,104
ACADIA PHARMACEUTICALS COM 581 581 New 15,200
ACCELERON PHARMA INC COM 7,834 3,863 97.29 196,387
ACCO BRANDS CORP COM 179 72 67.74 23,483
ACELRX PHARMACEUTICALS INC COM -4,091 Sold Out 0
ACHILLION PHARMACEUTICALS INC COM 1,328 343 34.77 107,546
ACORDA THERAPEUTICS INC COM -1,821 Sold Out 0
ACTAVIS PLC SHS 6,487 -76 (1.15) 21,819
ACTUA CORP COM -1,705 Sold Out 0
ADEPT TECHNOLOGY INC COM NEW 77 77 New 11,300
ADEPTUS HEALTH INC CL A 2,005 2,005 New 44,283
ADVANCED SEMICONDUCTOR ENGR SPONSORED ADR 313 -49 (13.59) 42,935
AEGEAN MARINE PETROLEUM NETWRK SHS 2,547 2,547 New 175,441
AERCAP HOLDINGS NV SHS -3,678 Sold Out 0