DRIEHAUS CAPITAL MANAGEMENT LLC Information

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

Report Date: 03/31/2013

Position Statistics:

Total Positions 579
New Positions 132
Increased Positions 235
Decreased Positions 337
Positions with Activity 572
Sold Out Positions 141
Total Mkt Value
(in $ millions)
2,098

Sector Weighting

Basic Materials 4.14%
Capital Goods 6.44%
Conglomerates 1.71%
Consumer Cyclical 6.21%
Consumer/Non-Cyclical 3.89%
Energy 12.26%
Financial 5.51%
Healthcare 12.56%
Services 21.34%
Technology 19.02%
Transportation 2.93%
Utilities 3.94%

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

579 Positions as of 03/31/2013

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
BEAM INC COM 9,830 -4,002 (28.94) 145,326
HEALTH CARE REIT INC COM 9,821 -2,245 (18.6) 127,070
HORNBECK OFFSHORE SVCS INC NEW COM 9,796 1,089 12.51 186,981
HALLIBURTON CO COM 9,620 4,031 72.14 218,534
OMEGA HEALTHCARE INVS INC COM 9,545 5,783 153.69 264,850
NEUROCRINE BIOSCIENCES INC COM 9,485 5,369 130.41 789,771
RIO TINTO PLC SPONSORED ADR 9,345 2,292 32.49 208,178
SPLUNK INC COM 9,338 5,873 169.47 207,013
CUMMINS INC COM 9,251 -94 (1) 78,729
AMAZON COM INC COM 9,178 3,374 58.14 34,902
DSW INC CL A 9,090 -9,417 (50.88) 131,230
NORTHERN TIER ENERGY LP COM UN REPR PART 9,074 -12,708 (58.34) 360,080
FMC TECHNOLOGIES INC COM 9,020 -3,416 (27.47) 156,979
PRICELINE COM INC COM NEW 8,932 8,932 New 11,193
LKQ CORP COM 8,844 3,087 53.64 355,019
EDWARDS LIFESCIENCES CORP COM 8,790 -912 (9.4) 136,700
SABRA HEALTH CARE REIT INC COM 8,766 -5,334 (37.83) 284,006
OLD DOMINION FGHT LINES INC COM 8,764 -2,117 (19.46) 204,326
CARPENTER TECHNOLOGY CORP COM 8,754 -2,831 (24.44) 180,539
TEXAS INDS INC COM 8,664 446 5.42 124,067

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