UNITED STATES
SECURITIES AND EXCHANGE COMMSSION
WASHINGTON, D.C. 20549
FORM 13F
FORM 13F COVER PAGE
Report for the Calendar year or Quarter Ended: September 30, 1999
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 October 20, 1999
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.
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FORM 13F SUMMARY PAGE
Report summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Totals: 70
Form 13F Information Table Value Totals: $127,713
List of Other Included Managers:
No. 13F File Number Name
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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
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A.C. Nielson Com 004833109 2364 104200 Sole 61700 42500
Adaptive Broadband Com 00650M104 1973 58900 Sole 35300 23600
Advanced Fibre Comm. Com 00754A105 1424 64000 Sole 38300 25700
Advent Software Com 007974108 2253 36200 Sole 22400 13800
Affymetrix Com 00826T108 1688 17150 Sole 10450 6700
American Eagle OutfittersCom 02553E106 2208 45600 Sole 27500 18100
Ann Taylor Stores Com 036115103 1472 36000 Sole 21900 14100
Antec Corp Com 03664P105 2459 46300 Sole 27900 18400
Asyst Technology Com 04648X107 2907 88100 Sole 50100 38000
Banco Santander Com 059646109 969 57000 Sole 33000 24000
Bea Systems Com 073325102 2889 81800 Sole 49400 32400
Boise Cascade Com 097383103 1703 46750 Sole 27350 19400
Broadvision Com 111412102 1717 12900 Sole 7400 5500
Central Newspaper Com 154647101 2029 45600 Sole 27600 18000
Central Parking Com 154785109 1582 54100 Sole 32300 21800
Cheesecake Factory Com 163072101 2434 87700 Sole 53400 34300
Chico's Fashions Com 168615102 2087 76575 Sole 46475 30100
Cost Plus World Market Com 221485105 2731 56315 Sole 34015 22300
Covad Com 222814204 1504 34500 Sole 19500 15000
Cytyc Corporation Com 232946103 1548 40000 Sole 24000 16000
DeVry, Inc. Com 251893103 4 200 Sole 200 0
Dollar Tree Stores Com 256747106 1398 35000 Sole 21900 13100
Doral Financial Com 25811P100 1071 80100 Sole 48100 32000
Double Click Inc. Com 258609304 941 7900 Sole 4700 3200
Elcor Com 284443108 2101 84050 Sole 49075 34975
Essex Property Trust Com 297178105 821 23500 Sole 18200 5300
Etec Systems Com 26922C103 1881 50000 Sole 29500 20500
Fossil Inc. Com 349882100 2891 106825 Sole 64300 42525
Genesys Telecomm. Com 371931106 1270 27800 Sole 17500 10300
Global Industries Ltd. Com 379336100 555 68300 Sole 40100 28200
Greater Bay Bancorp. Com 391648102 2751 81200 Sole 50700 30500
Hispanic Broadcasing CorpCL A 422799106 8 100 Sole 100 0
IDEC Pharmaceuticals CorpCom 449370105 1852 19700 Sole 11950 7750
Infocure Com 45665A108 1442 76400 Sole 47200 29200
ISS Group Com 450306105 1537 56400 Sole 34500 21900
Jack-In-The-Box Com 466367109 1676 67200 Sole 40700 26500
Jones Cable CL A 480206200 2325 43000 Sole 24500 18500
Lam Research Com 512807108 1970 32300 Sole 19800 12500
Lands End Com 515086106 2831 42900 Sole 25600 17300
Legato Systems Com 524651106 3749 86000 Sole 51600 34400
LJL Bio Systems Com 501873103 557 171500 Sole 116500 55000
Macromedia Com 556100105 1803 44100 Sole 26700 17400
MacroVision Com 555904101 3075 69300 Sole 41900 27400
Marine Drilling Com 568240204 3047 192700 Sole 116100 76600
Mercury Interactive Corp.Com 589405109 2679 41500 Sole 25200 16300
MiniMed Inc. Com 60365K108 2643 26900 Sole 15900 11000
Navigant Consulting Com 63935N107 2143 46200 Sole 27900 18300
Novellus Systems Com 670008101 7 100 Sole 100 0
Oxford Health Plans Com 691471106 704 56300 Sole 33800 22500
Patterson Dental Com 703412106 2357 47550 Sole 27850 19700
Peregrine Systems Com 71366Q101 3403 83500 Sole 50000 33500
Photronics Com 719405102 1831 81600 Sole 49000 32600
Power Wave Com 739363109 3443 71400 Sole 42700 28700
QLT Photo Therapeutics Com 746927102 1487 19450 Sole 11850 7600
Queens County Bancorp. Com 748242104 2536 91800 Sole 56700 35100
Rehabcare Com 759148109 1455 81950 Sole 49450 32500
Renal Care Group Inc. Com 759930100 1269 57925 Sole 36425 21500
Rowan Cos Inc. Com 779382100 1134 69800 Sole 43300 26500
RSA Security Inc. Com 749719100 3299 124200 Sole 73200 51000
S.L. Green Realty Group Com 78440X101 814 39700 Sole 31200 8500
Saucony CL B 804120202 710 45100 Sole 31800 13300
Talbots Com 874161102 2175 48675 Sole 29375 19300
Veeco Instruments Com 922417100 1545 55175 Sole 33475 21700
Ventana Medical Systems Com 92276H106 1061 62400 Sole 38500 23900
Verisign, Inc. Com 92343E102 1651 15500 Sole 9700 5800
Vertex Pharmaceutical Com 92532F100 2086 67150 Sole 40750 26400
VerticalNet Inc. Com 92532L107 1332 36000 Sole 22000 14000
Wesley Jessen Com 951018100 1751 56150 Sole 34000 22150
Williams-Sonoma Com 969904101 10 200 Sole 200 0
Zales Com 988858106 2691 70250 Sole 42250 28000
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