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) 2,631

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

Sector Weighting

Basic Materials 1.73%
Capital Goods 3.43%
Conglomerates 0.88%
Consumer Cyclical 7%
Consumer/Non-Cyclical 2.94%
Energy 10.05%
Financial 8.64%
Healthcare 9.1%
Services 22.66%
Technology 19.63%
Transportation 3.59%
Utilities 2.72%

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 17,441 17,441 New 626,696
2U INC COM 6,217 6,217 New 442,199
3M CO COM 2,226 361 19.32 15,803
58 COM INC SPON ADR REP A 3,111 1,518 95.29 63,301
8X8 INC NEW COM 19,339 9,698 100.60 2,393,414
ABBVIE INC COM 717 717 New 13,704
ABRAXAS PETE CORP COM 213 -325 (60.43) 41,699
ACADIA HEALTHCARE COMPANY INC COM 2,832 -6,603 (69.99) 59,412
ACADIA PHARMACEUTICALS COM 6,163 654 11.88 304,064
ACCELERON PHARMA INC COM 3,673 -2,169 (37.13) 124,001
ACCESS MIDSTREAM PARTNERS L P UNIT 10,750 -2,515 (18.96) 178,511
ACCURAY INC COM 1,409 1,409 New 179,095
ACELRX PHARMACEUTICALS INC COM 12,740 7,154 128.06 1,830,473
ACTAVIS PLC SHS 5,690 5,690 New 26,555
ACUITY BRANDS INC COM 2,423 -2,086 (46.26) 22,589
ADEPT TECHNOLOGY INC COM NEW 2,051 690 50.68 225,436
ADVANCED EMISSIONS SOLUTS INC COM 564 -4,810 (89.51) 26,346
AEGEAN MARINE PETROLEUM NETWRK SHS -2,654 Sold Out 0
AERCAP HOLDINGS NV SHS -8,086 Sold Out 0
AGENUS INC COM NEW 3,651 3,651 New 1,106,475