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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 (2016Q1)
Portfolio Summary: 186 holdings with a total value of $158,042,025.
#
Name
Shares
Value ($)
%
Options
Notes
101 WESCO AIRCRAFT HLDGS INC COM 12,040 173,255 0.11%
102 MUELLER WTR PRODUCTS INCORPORATED COM SER A 17,505 172,949 0.11%
103 ITRON INC 4,135 172,512 0.11%
104 BOFI HLDG INCORPORATED 8,080 172,427 0.11%
105 ALLETE INC COM NEW 3,060 171,574 0.11%
106 MACOM TECH SOLUTIONS HLDGS I 3,830 167,715 0.11%
107 ClubCorp Hldgs Inc 11,935 167,567 0.11%
108 B & G FOODS INC NEW COM 4,785 166,565 0.11%
109 ACADIA PHARMACEUTICALS INC COM 5,821 162,755 0.10%
110 SPECTRANETICS CORP 11,171 162,202 0.10%
111 ZENDESK INC 7,405 154,986 0.10%
112 WELLCARE HEALTH PLANS INC 1,655 153,501 0.10%
113 Silicon Laboratories Inc 3,385 152,189 0.10%
114 TAHOE RES INC 14,695 147,390 0.09%
115 HEADWATERS INC COM 7,255 143,939 0.09%
116 PROOFPOINT INC 2,676 143,915 0.09%
117 KITE PHARMA INCORPORATED 3,130 143,698 0.09%
118 INTEGRATED DEVICE TECHNOLOGY 6,855 140,116 0.09%
119 CAVIUM INC 2,260 138,221 0.09%
120 HEALTHSOUTH CORP 3,592 135,166 0.09%
121 HALOZYME THERAPEUTICS INC 14,011 132,684 0.08%
122 INFOBLOX INC 7,505 128,335 0.08%
123 IMAX CORP 3,840 119,385 0.08%
124 DEPHEID 3,110 103,749 0.07%
125 CARA THERAPEUTICS INC 16,195 100,732 0.06%
126 PLANET FITNESS INC 6,115 99,307 0.06%
127 CYTOKINETICS INC 14,000 98,700 0.06%
128 SYNAPTICS INC 1,230 98,080 0.06%
129 ASPEN TECHNOLOGY COM USD0.10 2,470 89,241 0.06%
130 NEKTAR THERAPEUTICS COM 6,005 82,568 0.05%
131 Anacor Pharmaceuticals Inc 1,505 80,442 0.05%
132 IMPAX LABORATORIES INC 2,265 72,525 0.05%
133 ULTRAGENYX PHARMACEUTICAL INC COM 1,000 63,310 0.04%
134 CYTOSORBENTS CORP 14,910 58,447 0.04%
135 CONSTELLATION BRANDS INC 55 8,309 0.01%
136 ALIGN TECHNOLOGY INC 105 7,632 0.00%
137 INTERCONTINENTAL EXCHANGE IN 30 7,054 0.00%
138 HOLOGIC INC 195 6,727 0.00%
139 CROWN CASTLE INTL CORP 75 6,487 0.00%
140 DOLLAR TREE INC 75 6,184 0.00%
141 EDWARDS LIFESCIENCES CORP 70 6,174 0.00%
142 ULTA BEAUTY INC 30 5,812 0.00%
143 LKQ CORP 165 5,268 0.00%
144 ROSS STORES INC 90 5,211 0.00%
145 HENRY SCHEIN INC 30 5,178 0.00%
146 HUNT J B TRANS SVCS INC 60 5,054 0.00%
147 CLOROX CO DEL 40 5,042 0.00%
148 KELLOGG CO 65 4,975 0.00%
149 EQUINIX INC 15 4,960 0.00%
150 ULTIMATE SOFTWARE GROUP INCORPORATED 25 4,837 0.00%
Page 3 of 4

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000909012-16-000513, filed 2016.05.12).

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.