UNITED STATES
SECURITIES AND EXCHANGE COMMSSION
WASHINGTON, D.C. 20549
FORM 13F
FORM 13F COVER PAGE
Report for the Calendar year or Quarter Ended: March 31, 2000
Check here if Amendment [ ]; Amendment Number:
This Amendment (Check only one.): [ ] is a restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Fortaleza Asset Management, Inc.
Address: 200 W. Adams Street
Suite 2000
Chicago, IL 60606
13F File Number: 28-5120
The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is
authorized to submit it, that all information contained herein is true,
correct and complete, and that it is understood that all required items,
statements, schedules, lists, and tables, are considered integral parts of
this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Diana Gonzales
Title: Corporate Secretary
Phone: 312-621-6111
Signature, Place, and Date of Signing:
Diana Gonzales Chicago, Illinois May 15,2000
Report Type (Check only one.):
[ X ] 13F HOLDINGS REPORT.
[ ] 13F NOTICE
[ ] 13F COMBINATION REPORT.
List of Other Managers Reporting for this Manager:
I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934.
<PAGE>
FORM 13F SUMMARY PAGE
Report summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Totals: 92
0
Form 13F Information Table Value Totals: $294,560
List of Other Included Managers:
No. 13F File Number Name
<TABLE> <C> <C>
Form 13F Information Table
Value Shares/ Sh/ Put/ Invstmt Other Voting Authority
Name of Issuer Title of ClCusip (x$1000)Prn Amt Prn Call Dscretn ManagersSole Shared None
Advent Software Common 007974108 4950 107900sh sole 65800 0 42100
Aeroflex, Inc. Common 007768104 4923 99450sh sole 62650 0 36800
Alexion Pharmaceuticals Common 015351109 4750 68100sh sole 42100 0 26000
Allscripts, Inc. Common 019886100 2976 49500sh sole 30600 0 18900
American Eagle Outfitters Common 02553E106 4750 125200sh sole 81900 0 43300
Anadigics Inc. Common 032515108 4032 61090sh sole 39040 0 22050
Ancor Communications, Inc. Common 03332K108 2521 61300sh sole 42100 0 19200
Art Tech Group Common 04289L107 5229 79600sh sole 51800 0 27800
Aspect Developement Common 045234101 13 200sh sole 200 0 0
Asyst Technology Common 04648X107 2802 47900sh sole 29600 0 18300
Biovail Corporation Common 09067J106 2354 53200sh sole 32000 0 21200
Braun's Fashions Common 105658108 4790 189700sh sole 119100 0 70600
Broadvision Common 111412102 1795 40000sh sole 25100 0 14900
Celgene Corp. Common 151020104 2748 27600sh sole 17100 0 10500
Cell Pathways Common 151114R10 1977 57500sh sole 36200 0 21300
Cephalon, Inc. Common 156708109 2925 78000sh sole 49100 0 28900
Cheesecake Factory Common 163072101 4042 97100sh sole 58400 0 38700
Chico's Fashions Common 168615102 3853 227300sh sole 137300 0 90000
Computer Horizon Common 205908106 2140 125000sh sole 78700 0 46300
Cor Therapeutics Common 217753102 4526 68650sh sole 43300 0 25350
Cost Plus World Market Common 221485105 4342 128422sh sole 82772 0 45650
Cree, Inc. Common 225447101 2991 26500sh sole 16400 0 10100
Cypress Semi Common 232806109 3542 72300sh sole 48500 0 23800
Cytyc Corporation Common 232946103 4333 89800sh sole 54800 0 35000
Digimarc Corp. Common 253807101 2288 52000sh sole 32200 0 19800
Digital Insight Common 25385P106 4002 78100sh sole 49000 0 29100
Digital Lightwave Common 253855100 2873 46100sh sole 29250 0 16850
Digital Microwave Common 253859102 2507 74000sh sole 47200 0 26800
Diversinet Corp. Common 25536K204 2066 115600sh sole 72700 0 42900
Documentum Common 256159104 3900 50000sh sole 29900 0 20100
Dollar Tree Stores Common 256747106 3852 73900sh sole 45700 0 28200
Dusa Pharmaceuticals Common 266898105 2781 116200sh sole 73000 0 43200
Eclipsys Corp. Common 278856109 4 200sh sole 200 0 0
Emcore Corporation Common 290846104 3452 30000sh sole 18500 0 11500
Exar Corporation Common 300645108 4251 59400sh sole 37500 0 21900
Exchange Applications Common 300867108 4763 90000sh sole 56600 0 33400
Extreme Network Common 30226D106 1580 20000sh sole 11300 0 8700
Gasonics Common 367278108 4541 114500sh sole 71800 0 42700
Glenayre Technologies Inc. Common 377899109 2108 120000sh sole 75500 0 44500
Gliatech, Inc. Common 37929C103 939 54225sh sole 35925 0 18300
Global Industries Ltd. Common 379336100 3427 234300sh sole 144900 0 89400
Greater Bay Bancorp. Common 391648102 4798 119200sh sole 74900 0 44300
Healtheon WebMd Common 422209106 3 150sh sole 150 0 0
Hispanic Broadcasing Corp. Cl A 422799106 11 100sh sole 100 0 0
Hyperion Solutions Corp. Common 44914M104 2633 81000sh sole 50000 0 31000
IDEC Pharmaceuticals Corp. Common 449370105 10 100sh sole 100 0 0
II-VI, Inc. Common 902104108 2797 73600sh sole 46300 0 27300
ISS Group Common 450306105 4695 40300sh sole 24500 0 15800
Ilex Oncology, Inc. Common 451923106 4546 108230sh sole 68080 0 40150
Integrated Device Common 458118106 4149 104700sh sole 66400 0 38300
Intervoice-Brite Common 461142101 5284 183000sh sole 114700 0 68300
Intraware Common 988858106 1950 47200sh sole 31000 0 16200
JDA Software Common 46612K108 2179 149000sh sole 105000 0 44000
King Pharmaceuticals Common 495582108 3044 96650sh sole 60250 0 36400
Kulicke and Soffa Ind. Common 501242101 5136 80175sh sole 48475 0 31700
LCC International Common 501810105 3638 91800sh sole 58700 0 33100
LJL Bio Systems Common 501873103 2053 112500sh sole 73500 0 39000
MacroVision Common 555904101 10094 117200sh sole 73700 0 43500
Macromedia Common 556100105 9 100sh sole 100 0 0
Marimba Inc. Common 56781Q109 2030 46000sh sole 28900 0 17100
Marine Drilling Common 568240204 3874 141200sh sole 88700 0 52500
Mercator Software Common 587587106 4278 51500sh sole 32000 0 19500
Mercury Interactive Corp. Common 589405109 4858 61300sh sole 37500 0 23800
MiniMed Inc. Common 60365K108 13 100sh sole 100 0 0
Nanometrics Common 630077105 6718 137800sh sole 88400 0 49400
NetPerceptions Common 64107U101 2253 61000sh sole 37500 0 23500
Newport Corporation Common 651824104 5265 39000sh sole 23800 0 15200
Novellus Systems Common 670008101 17 300sh sole 300 0 0
OSI Pharmaceuticals Common 671040103 2457 126000sh sole 79100 0 46900
Open Market Inc. Common 68307M100 2132 82800sh sole 52200 0 30600
PFSweb, Inc. Common 717098107 3 200sh sole 200 0 0
Pacific Sunwear of CA Common 694873100 9 250sh sole 250 0 0
Peregrine Systems Common 71366Q101 10019 149400sh sole 93500 0 55900
Pharmacopeia, Inc. Common 71713B104 2778 56700sh sole 35800 0 20900
Photronics Common 719405102 2694 76300sh sole 49500 0 26800
Pier 1 Imports Common 720279108 1948 190000sh sole 122000 0 68000
Pilot Network Services Common 721596104 2645 80000sh sole 51200 0 28800
Pinnacle Systems Common 723481107 3338 100400sh sole 61400 0 39000
Power Wave Common 739363109 5012 40100sh sole 25100 0 15000
Primus Knowledge Solutions Common 74163Q100 3664 42600sh sole 28600 0 14000
QLT Phototherapeutics Common 746927102 3641 65900sh sole 41500 0 24400
RSA Security Inc. Common 749719100 2238 43200sh sole 27900 0 15300
Rehabcare Common 759148109 2176 88150sh sole 55650 0 32500
Spanish Broadcasting Common 846425882 2395 102100sh sole 64450 0 37650
SpectraLink Corporation Common 847580107 2466 137000sh sole 91000 0 46000
SuperGen Inc. Common 868059106 3230 67300sh sole 41800 0 25500
Sybase Inc. Common 087130100 2407 118500sh sole 80500 0 38000
Talbots Common 874161102 6498 110375sh sole 68275 0 42100
Veeco Instruments Common 922417100 4978 67275sh sole 43275 0 24000
Ventana Medical Systems Common 92276H106 2116 49000sh sole 30800 0 18200
Vertex Common 92532F100 3513 75050sh sole 45250 0 29800
Zales Common 988858106 3230 68450sh sole 43150 0 25300
</TABLE>
