DRIEHAUS CAPITAL MANAGEMENT LLC Information

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

Report Date: 03/31/2014

Position Statistics

Total Positions 649
New Positions 204
Increased Positions 340
Decreased Positions 303
Positions with Activity 643
Sold Out Positions 157
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 1.69%
Capital Goods 3.52%
Conglomerates 0.85%
Consumer Cyclical 7.4%
Consumer/Non-Cyclical 2.98%
Energy 10.37%
Financial 8.53%
Healthcare 9.14%
Services 22.35%
Technology 19.22%
Transportation 3.67%
Utilities 2.79%

649 Positions as of 03/31/2014

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
21VIANET GROUP INC SPONSORED ADR 17,435 17,435 New 626,696
2U INC COM 6,067 6,067 New 442,199
3M CO COM 2,286 370 19.32 15,803
58 COM INC SPON ADR REP A 3,208 1,565 95.29 63,301
8X8 INC NEW COM 18,166 9,110 100.60 2,393,414
ABBVIE INC COM 747 747 New 13,704
ABRAXAS PETE CORP COM 246 -375 (60.43) 41,699
ACADIA HEALTHCARE COMPANY INC COM 2,807 -6,545 (69.99) 59,412
ACADIA PHARMACEUTICALS COM 6,303 669 11.88 304,064
ACCELERON PHARMA INC COM 3,455 -2,040 (37.13) 124,001
ACCESS MIDSTREAM PARTNERS L P UNIT 11,368 -2,660 (18.96) 178,511
ACCURAY INC COM 1,572 1,572 New 179,095
ACELRX PHARMACEUTICALS INC COM 19,458 10,926 128.06 1,830,473
ACTAVIS PLC SHS 5,832 5,832 New 26,555
ACUITY BRANDS INC COM 2,575 -2,217 (46.26) 22,589
ADEPT TECHNOLOGY INC COM NEW 2,112 710 50.68 225,436
ADVANCED EMISSIONS SOLUTS INC COM 549 -4,688 (89.51) 26,346
AEGEAN MARINE PETROLEUM NETWRK SHS -2,750 Sold Out 0
AERCAP HOLDINGS NV SHS -8,507 Sold Out 0
AGENUS INC COM NEW 3,375 3,375 New 1,106,475