DRIEHAUS CAPITAL MANAGEMENT LLC Information

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

Report Date: 06/30/2014

Position Statistics

Total Positions 687
New Positions 193
Increased Positions 320
Decreased Positions 359
Positions with Activity 679
Sold Out Positions 157
Total Mkt Value (in $ millions) 2,608

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

Sector Weighting

Basic Materials 2.23%
Capital Goods 3.26%
Conglomerates 0.99%
Consumer Cyclical 6.04%
Consumer/Non-Cyclical 3.07%
Energy 8.84%
Financial 6.6%
Healthcare 8.98%
Services 22.94%
Technology 19.28%
Transportation 5.52%
Utilities 3.5%

320 INCREASED Positions as of 06/30/2014

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
21VIANET GROUP INC SPONSORED ADR 17,685 5,026 39.70 875,510
51JOB INC SP ADR REP COM 7,279 7,279 New 230,572
ABBVIE INC COM 837 34 4.17 14,276
ABENGOA SA SP ADR REP B 6,896 6,896 New 249,235
ACADIA HEALTHCARE COMPANY INC COM 4,030 1,113 38.15 82,079
ACADIA RLTY TR COM SH BEN INT 3,131 3,131 New 112,961
ACCELERON PHARMA INC COM 4,140 1,015 32.48 164,282
ACTAVIS PLC SHS 9,669 3,328 52.50 40,495
ACTUA CORP COM 11,353 62 .55 662,394
ACUITY BRANDS INC COM 3,581 777 27.70 28,845
ADVANCED SEMICONDUCTOR ENGR SPONSORED ADR 464 464 New 75,673
AIR LEASE CORP CL A 4,953 4,953 New 139,097
AIR TRANSPORT SERVICES GRP INC COM 1,317 1,317 New 160,186
ALDER BIOPHARMACEUTICALS INC COM 1,145 1,145 New 97,809
ALLERGAN INC COM 6,924 6,924 New 40,679
ALLIANCE FIBER OPTIC PRODS INC COM NEW 1,094 1,094 New 79,159
ALLIANCE HOLDINGS GP LP COM UNITS LP 3,525 3,525 New 49,285
ALTRA INDL MOTION CORP COM 4,651 1,579 51.41 147,709
AMBARELLA INC SHS 2,588 2,588 New 69,914
AMERCO COM 3,090 3,090 New 11,554