DRIEHAUS CAPITAL MANAGEMENT LLC Q2 2016 Filing

Filed August 15, 2016

Portfolio Value

$2.8T

Holdings

526

Report Date

Q2 2016

Filing Type

13F-HR

All Holdings (526 positions)

#StockSharesValue% PortfolioType
101
ST JUDE MEDICAL INC
80,000$6.2B0.22%
102
INTERACTIVE INTELLIGENCE GRO
149,002$6.1B0.22%
103
7SUSUMMIT MATERIALS INC -CL A
298,216$6.1B0.22%
104
8CWCROWN CASTLE INTL CORP
63,732$6.0B0.21%Put
105
SESPECTRA ENERGY CORP
163,202$6.0B0.21%
106
DYDYCOM INDUSTRIES INC
66,493$6.0B0.21%
107
ARCPEURVEREIT INC
588,172$6.0B0.21%
108
LMATLEMAITRE VASCULAR INC
409,841$5.8B0.21%
109
CLIFFS NATURAL RESOURCES INC
1,019,542$5.8B0.21%
110
HZOMARINEMAX INC
335,297$5.7B0.20%
111
CYRUSONE INC
101,438$5.6B0.20%
112
FIVE PRIME THERAPEUTICS INC
135,824$5.6B0.20%
113
HRUSDHEALTHCARE REALTY TRUST INC
160,013$5.6B0.20%
114
GTLSCHART INDUSTRIES INC
231,836$5.6B0.20%
115
ORTHOFIX INTERNATIONAL NV
131,580$5.6B0.20%
116
VIV1USDTELEFONICA BRASIL-ADR
403,853$5.5B0.20%
117
INSTRUCTURE INC
286,788$5.4B0.19%
118
NVROEURNEVRO CORP
73,788$5.4B0.19%
119
EDUCATION REALTY TRUST INC
117,571$5.4B0.19%
120
AUTOBYTEL INC
389,388$5.4B0.19%
121
T77LendingTree Inc
60,839$5.4B0.19%
122
STAMPS.COM INC
61,379$5.4B0.19%
123
ATLAS FINANCIAL HOLDINGS INC
311,319$5.4B0.19%
124
LTCLTC PROPERTIES INC
103,525$5.4B0.19%
125
CERSCERUS CORP
843,193$5.3B0.19%
126
SITESITEONE LANDSCAPE SUPPLY INC
153,601$5.2B0.19%
127
ABMDEURABIOMED INC
47,508$5.2B0.19%
128
USCRUS CONCRETE INC
85,098$5.2B0.18%
129
TRPTRANSCANADA CORP
113,837$5.1B0.18%
130
QTWOQ2 HOLDINGS INC
183,410$5.1B0.18%
131
VVISA INC-CLASS A SHARES
76,510$5.1B0.18%Put
132
MKTXMARKETAXESS HOLDINGS INC
35,244$5.1B0.18%
133
VCA INC
75,490$5.1B0.18%
134
ASTEASTEC INDUSTRIES INC
90,661$5.1B0.18%
135
MTNVAIL RESORTS INC
36,748$5.1B0.18%
136
VASCULAR SOLUTIONS INC
121,183$5.0B0.18%
137
EX9EXELIXIS INC
630,843$4.9B0.18%
138
FIVNFIVE9 INC
403,634$4.8B0.17%
139
BMC STOCK HOLDINGS INC
265,739$4.7B0.17%
140
LEVEL 3 COMMUNICATIONS INC
98,280$4.7B0.17%Put
141
SPECTRA ENERGY PARTNERS LP
99,615$4.7B0.17%
142
CQPCHENIERE ENERGY PARTNERS LP
155,180$4.7B0.17%
143
TC PIPELINES LP
80,637$4.6B0.16%
144
INGNINOGEN INC
89,310$4.5B0.16%
145
GVAGRANITE CONSTRUCTION INC
95,039$4.3B0.15%
146
AFWALIGN TECHNOLOGY INC
52,652$4.2B0.15%
147
NWLNEWELL BRANDS INC
85,795$4.2B0.15%
148
RNGRINGCENTRAL INC-CLASS A
211,027$4.2B0.15%
149
CICIGNA CORP
32,500$4.2B0.15%
150
TEAMATLASSIAN CORP PLC-CLASS A
160,464$4.2B0.15%
151
GWREGUIDEWIRE SOFTWARE INC
66,567$4.1B0.15%
152
SG7SAGE THERAPEUTICS INC
136,089$4.1B0.15%
153
POOLPOOL CORP
43,117$4.1B0.14%
154
BIOTELEMETRY INC
248,158$4.0B0.14%
155
DOCUSDPHYSICIANS REALTY TRUST
190,892$4.0B0.14%
156
KWE1RING ENERGY INC
453,987$4.0B0.14%
157
CDPCORPORATE OFFICE PROPERTIES
133,580$4.0B0.14%
158
BFAMBRIGHT HORIZONS FAMILY SOLUT
58,961$3.9B0.14%
159
FOAMIX PHARMACEUTICALS LTD
613,236$3.9B0.14%
160
AMZNAMAZON.COM INC
5,362$3.8B0.14%
161
ALDER BIOPHARMACEUTICALS INC
153,443$3.8B0.14%
162
COR1EURCORESITE REALTY CORP
42,841$3.8B0.14%
163
DC4DEXCOM INC
47,764$3.8B0.14%
164
IIININSTEEL INDUSTRIES INC
132,268$3.8B0.13%
165
PRIMO WATER CORP
319,106$3.8B0.13%
166
XXYCROSS COUNTRY HEALTHCARE INC
266,776$3.7B0.13%
167
PLY GEM HOLDINGS INC
254,648$3.7B0.13%
168
TWLOTWILIO INC - A
99,940$3.6B0.13%
169
ITCIEURINTRA-CELLULAR THERAPIES INC
93,536$3.6B0.13%
170
VRSKVERISK ANALYTICS INC-CLASS A
44,292$3.6B0.13%
171
GRAN TIERRA ENERGY INC
1,059,883$3.6B0.13%
172
MITKMITEK SYSTEMS INC
502,323$3.6B0.13%
173
HQYHEALTHEQUITY INC
116,828$3.5B0.13%
174
CSRA INC
151,000$3.5B0.13%
175
BROADSOFT INC
85,401$3.5B0.12%
176
HUBSHUBSPOT INC
80,037$3.5B0.12%
177
GPNGLOBAL PAYMENTS INC
48,422$3.5B0.12%
178
XACTLY CORP
267,201$3.4B0.12%
179
MSFTMICROSOFT CORP
73,286$3.4B0.12%Put
180
PLOWDOUGLAS DYNAMICS INC
131,742$3.4B0.12%
181
ATSG*AIR TRANSPORT SERVICES GROUP
257,156$3.3B0.12%
182
DLTHDULUTH HOLDINGS INC
136,235$3.3B0.12%
183
CVSCVS HEALTH CORP
39,297$3.3B0.12%Put
184
LOBLIVE OAK BANCSHARES INC
233,332$3.3B0.12%
185
ZAYOEURZAYO GROUP HOLDINGS INC
117,663$3.3B0.12%
186
OTICEUROTONOMY INC
206,886$3.3B0.12%
187
NLSUSDNAUTILUS INC
182,906$3.3B0.12%
188
AREALEXANDRIA REAL ESTATE EQUIT
31,267$3.2B0.12%
189
EVHEVOLENT HEALTH INC - A
167,634$3.2B0.11%
190
PENPENUMBRA INC
53,545$3.2B0.11%
191
WASHINGTON PRIME GROUP
284,532$3.2B0.11%
192
NORD ANGLIA EDUCATION INC
148,833$3.1B0.11%
193
NVEEUSDNV5 GLOBAL INC
110,580$3.1B0.11%
194
SRCLSTERICYCLE INC
30,035$3.1B0.11%
195
ANTERO MIDSTREAM PARTNERS LP
108,458$3.0B0.11%
196
STRZSTARZ - A
100,099$3.0B0.11%
197
JBTJOHN BEAN TECHNOLOGIES CORP
48,184$3.0B0.11%
198
KLACKLA-TENCOR CORP
40,000$2.9B0.10%
199
LYDALL INC
75,921$2.9B0.10%
200
CELGCELGENE CORP
32,248$2.9B0.10%Put
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