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) 2,531

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

Sector Weighting

Basic Materials 2.13%
Capital Goods 2.28%
Conglomerates 0.84%
Consumer Cyclical 8.08%
Consumer/Non-Cyclical 4.26%
Energy 4.71%
Financial 7.84%
Healthcare 12.07%
Services 22.89%
Technology 18.58%
Transportation 2.65%
Utilities 3.76%

690 Activity Positions as of 12/31/2014

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
3M CO COM -2,311 Sold Out 0
8X8 INC NEW COM 9,390 1,610 20.70 1,267,148
ABAXIS INC COM 6,290 6,290 New 103,244
ABBVIE INC COM 642 -2,464 (79.32) 10,618
ABENGOA YIELD PLC ORD SHS 615 -6,048 (90.77) 18,755
ABRAXAS PETE CORP COM -961 Sold Out 0
ACADIA HEALTHCARE COMPANY INC COM 7,025 170 2.48 111,104
ACADIA PHARMACEUTICALS COM 577 577 New 15,200
ACCELERON PHARMA INC COM 7,979 3,935 97.29 196,387
ACCO BRANDS CORP COM 179 72 67.74 23,483
ACELRX PHARMACEUTICALS INC COM -3,970 Sold Out 0
ACHILLION PHARMACEUTICALS INC COM 1,306 337 34.77 107,546
ACORDA THERAPEUTICS INC COM -1,760 Sold Out 0
ACTAVIS PLC SHS 6,357 -74 (1.15) 21,819
ACTUA CORP COM -1,787 Sold Out 0
ADEPT TECHNOLOGY INC COM NEW 74 74 New 11,300
ADEPTUS HEALTH INC CL A 1,964 1,964 New 44,283
ADVANCED SEMICONDUCTOR ENGR SPONSORED ADR 305 -48 (13.59) 42,935
AEGEAN MARINE PETROLEUM NETWRK SHS 2,572 2,572 New 175,441
AERCAP HOLDINGS NV SHS -3,732 Sold Out 0