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) 2,707

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

Sector Weighting

Basic Materials 1.72%
Capital Goods 3.44%
Conglomerates 0.85%
Consumer Cyclical 7.14%
Consumer/Non-Cyclical 2.98%
Energy 10.25%
Financial 8.56%
Healthcare 9.13%
Services 22.47%
Technology 19.51%
Transportation 3.63%
Utilities 2.79%

340 INCREASED 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 17,059 17,059 New 626,696
2U INC COM 6,354 6,354 New 442,199
3M CO COM 2,293 371 19.32 15,803
58 COM INC SPON ADR REP A 3,180 1,551 95.29 63,301
8X8 INC NEW COM 19,578 9,818 100.60 2,393,414
ABBVIE INC COM 729 729 New 13,704
ACADIA PHARMACEUTICALS COM 6,270 666 11.88 304,064
ACCURAY INC COM 1,486 1,486 New 179,095
ACELRX PHARMACEUTICALS INC COM 19,824 11,131 128.06 1,830,473
ACTAVIS PLC SHS 5,774 5,774 New 26,555
ADEPT TECHNOLOGY INC COM NEW 2,103 707 50.68 225,436
AGENUS INC COM NEW 3,585 3,585 New 1,106,475
AGIOS PHARMACEUTICALS INC COM 10,170 496 5.13 266,159
ALEXANDRIA REAL ESTATE EQ INC COM 5,331 5,331 New 67,587
ALIGN TECHNOLOGY INC COM 4,528 331 7.89 80,340
ALLIANCEBERNSTEIN HOLDING LP UNIT LTD PARTN 1,604 1,604 New 59,504
ALLISON TRANSMISSION HLDGS INC COM 760 760 New 24,339
ALNYLAM PHARMACEUTICALS INC COM 11,478 4,546 65.58 209,341
AMAZON COM INC COM 7,533 7,533 New 23,248
AMEDICA CORP COM 1,114 1,114 New 262,764