DRIEHAUS CAPITAL MANAGEMENT LLC

Q3 2014 13F Combination Report, Options Holdings

Signature - Title
Janet McWilliams - General Counsel
Location
Chicago, IL
Options holdings as of
September 30, 2014
Options notional value $
$147K
Number of options holdings
10
Date filed
11/14/2014, 01:03 PM
Description
A portion of the US holdings for this investor are reported in this report and a portion are reported by other reporting manager(s).
Previous filing
Q2 2014 - Aug 14, 2014
Stock holdings
Showing options holdings, see here for stock holdings
Sym Company Class Option Share Change Activity * Price $ Shares Notional Value
Filing 2014 Q3 compared to 2014 Q2 by default.
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.

Person Signing this Report on Behalf of Reporting Manager:

Name Title City, State Date
Janet McWilliams Managing Director Chicago, Illinois 11/14/2014