13G Filing: Driehaus Capital and Pinnacle Entertainment Inc (PNK)

Page 2 of 4 – SEC Filing

CUSIP
No. 
72348Y105    
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
DRIEHAUS CAPITAL MANAGEMENT LLC
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE
INSTRUCTIONS)

(a)
x
(b)
o
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware, USA
NUMBER OF SHARES
BENEFICIALLY  OWNED BY EACH REPORTING PERSON WITH:
5 SOLE VOTING POWER
0
6 SHARED VOTING POWER
2,471,727
7 SOLE DISPOSITIVE POWER
0
8 SHARED DISPOSITIVE POWER
2,471,727
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
2,471,727
10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES (SEE INSTRUCTIONS)
o
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
4.28%
12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IA

FOOTNOTES

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