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Institutional Investment Manager
FORTALEZA ASSET MANAGEMENT INC/
FORTALEZA ASSET MANAGEMENT INC/ (CIK: 0001003279) incorporated in Illinois, located at 8770 West Bryn Mawr, Chicago, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q1)
Portfolio Summary: 206 holdings with a total value of $177,205,000.
#
Name
Shares
Value ($)
%
Options
Notes
101 COGNEX CORP 6,761 335,000 0.19%
102 PAYLOCITY HOLDING CORPORATION COM 11,620 333,000 0.19%
103 CASEY'S GENERAL STORES INC COM 3,630 327,000 0.18%
104 HEALTHSOUTH CORP 7,317 325,000 0.18%
105 SS&C TECHNOLOGIES HLDGS INC 5,197 324,000 0.18%
106 JETBLUE AIRWAYS CORP 16,840 324,000 0.18%
107 PRA GROUP INC 5,947 323,000 0.18%
108 PTC INC 8,904 322,000 0.18%
109 GRAPHIC PACKAGING HLDG CO 22,132 322,000 0.18%
110 SYNCHRONOSS TECHNOLOGIES INC 6,767 321,000 0.18%
111 Corp Executive Board Co 4,015 321,000 0.18%
112 J2 GLOBAL INC 4,892 321,000 0.18%
113 RENASANT CORP 10,624 319,000 0.18%
114 KAPSTONE PAPER & PACKAGING CRP COM 9,680 318,000 0.18%
115 GENERAC HLDGS INC 6,487 316,000 0.18%
116 VERINT SYS INC 5,003 310,000 0.17%
117 BRUNSWICK CORP 5,987 308,000 0.17%
118 CONSTANT CONTACT INC 7,995 305,000 0.17%
119 INCONTACT INC 27,720 302,000 0.17%
120 HENRY JACK & ASSOC INC 4,251 297,000 0.17%
121 Silicon Laboratories Inc 5,857 297,000 0.17%
122 MARKETO INC COM 11,246 288,000 0.16%
123 FREIGHTCAR AMERICA INC 8,759 275,000 0.16%
124 Heartware International, Inc. 3,056 268,000 0.15%
125 COGENT COMMUNICATIONS HLDGS IN COM NEW 7,563 267,000 0.15%
126 HEICO CORP NEW 4,230 258,000 0.15%
127 VEEVA SYS INC 10,022 256,000 0.14%
128 PROASSURANCE CORP. 10,163 251,000 0.14%
129 Clarcor Inc Com 3,790 250,000 0.14%
130 HALOZYME THERAPEUTICS INC 17,338 248,000 0.14%
131 SQBG Inc 22,976 246,000 0.14%
132 BLUEBIRD BIO INC COM 2,026 245,000 0.14%
133 NIMBLE STORAGE INC 10,881 243,000 0.14%
134 BALCHEM CORP 4,384 243,000 0.14%
135 THRESHOLD PHARMACEUTICAL INC 59,180 240,000 0.14%
136 ACADIA PHARMACEUTICALS INC COM 7,360 240,000 0.14%
137 Receptos Inc 1,435 237,000 0.13%
138 SPS COMM INC 3,400 228,000 0.13%
139 KNIGHT TRANSN INC 7,075 228,000 0.13%
140 IONIS PHARMACEUTICAL 3,555 226,000 0.13%
141 STERIS PLC 3,131 220,000 0.12%
142 BOISE CASCADE CO DEL COM 5,793 217,000 0.12%
143 POLYONE CORP 5,656 211,000 0.12%
144 FEI COMPANY 2,502 191,000 0.11%
145 SYNAGEVA BIOPHARMA CORP 1,935 189,000 0.11%
146 SELECT COMFORT CORP 5,328 184,000 0.10%
147 TEAM HEALTH HOLDINGS INC 3,071 180,000 0.10%
148 BIODELIVERY SCIENCES INTL IN 16,824 177,000 0.10%
149 FIBROGEN INC 5,318 167,000 0.09%
150 Q2 Holdings Inc 7,825 165,000 0.09%
Page 3 of 5

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000909012-15-000190, filed 2015.04.28).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.