<PAGE> 1
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
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: Driehaus Capital Management, Inc.
-------------------------------------------------
Address: 25 East Erie Street
-------------------------------------------------
Chicago, Illinois 60611
-------------------------------------------------
-------------------------------------------------
Form 13F File Number: 28- 3580
------------
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: Mary H. Weiss
-------------------------------------------------
Title: Vice President
-------------------------------------------------
Phone: (312) 587-3800
-------------------------------------------------
Signature, Place, and Date of Signing:
/s/ Mary H. Weis Chicago, Illinois November 11, 1999
- ----------------------- -------------------------------- -----------------
Report Type (Check only one.):
[X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager
are reported in this report.)
[ ] 13F NOTICE. (Check here if no holdings reported are in this report, and
all holdings are reported by other reporting manager(s).)
<PAGE> 2
[ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for
this reporting manager are reported in this report and a portion are
reported by other reporting manager(s).)
List of Other Managers Reporting for this Manager:
NONE
<PAGE> 3
Form 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: NOT APPLICABLE
------------------
Form 13F Information Table Entry Total: 223
------------------
Form 13F Information Table Value Total: $ 1993430
------------------
(thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
NONE
<PAGE> 4
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus Capital Management, Inc. ("DCM")
===================================================================================================================================
Item 6:
Item 5: Investment Discretion
Shares ====================================
Item 1: Item 2: Item 3: Item 4: or
Name of Issuer Title of Class CUSIP Fair Market Principal (b) Shared (c)
Number Value Amount (a)Sole -As Defined Shared -
in Instr. V Other
===================================================================================================================================
<S> <C> <C> <C> <C> <C> <C> <C>
ACT Manufacturing Inc. Common 97310 936 37342X
AO Tatneft - Sponsored ADR ADR 03737P30 106 34000X
ARIBA Common 04033V10 9675 66953X
ASM Lithography Holding NV ADR N0705911 41934 625303X
Abgenix Inc. Common 00339B10 1775 45298X
Accrue Software Common 00437W10 872 38735X
Active Voice Corp. Common 493810 158 10000X
Activision Inc. Common 493020 8838 501425X
AdaptiveBroadband Corp Common 00650M10 19568 584119X
Adobe Systems Inc. Common 00724F10 16915 149027X
Advanced Digital Info. Corp. Common 752510 1192 42864X
Advanced Fibre Communication Common 00754A10 1929 86700X
Affymetrix Inc. Common 00826T10 50783 515886X
Amdocs Ltd. Common G0260210 11599 552331X
Anadigics Inc. Common 3251510 402 14277X
Applied Micro Circuits Corp. Common 03822W10 24962 437924X
Applix Inc. Common 3831610 117 10000X
Argosy Gaming Company Common 4022810 789 59531X
Art Technology Group Common 04289L10 12095 317763X
ArthroCare Corp. Common 4313610 3298 60372X
Artisoft Inc. Common 04314L10 528 81200X
Asyst Technologies Inc. Common 04648X10 3533 107061X
Audiocodes Ltd. ADR M1534210 9868 262260X
Aurora Biosciences Corp. Common 5192010 1379 101190X
Basin Exploration Inc. Common 7010710 2650 110413X
Bidhit.com Inc Common 08883R20 1805 601547X
Biogen Inc. Common 9059710 17280 219256X
Blonder Tongue Labs Common 9369810 136 17000X
Braun's Fashions Corp. Common 10565810 182 10000X
Broadcom Corp. - Cl. A Common 11132010 13979 128251X
Broadvision Inc Common 11141210 18820 141441X
Business Objects S. A. Sp ADR ADR 12328X10 48365 819745X
C Cube Microsystems Inc. Common 12501510 12052 277051X
C-COR Electronics Common 12501010 6869 226133X
CMG Information Services Inc. Common 12575010 24055 234683X
CNET Inc. Common 12594510 21579 385348X
CYRO-CELL International Inc. Common 22889510 114 24000X
Cable Design Technologies Common 12692410 1762 77229X
California Amplifier Inc. Common 12990010 3535 243816X
Calpine Corporation Common 13134710 22133 260201X
CardioDynamics Intl. Corp. Common 14159710 1073 357718X
<CAPTION>
================================================================================================
(SEC USE ONLY)
================================================================================================
Item 8:
Voting Authority (Shares)
=====================================
Item 7:
Managers
See Instr. V (a) Sole (b) Shared (c) None
================================================================================================
<S> <C> <C> <C> <C>
ACT Manufacturing Inc. 2700 0 34642
AO Tatneft - Sponsored ADR 34000 0 0
ARIBA 48840 0 18113
ASM Lithography Holding NV 548650 0 76653
Abgenix Inc. 3173 0 42125
Accrue Software 19496 0 19239
Active Voice Corp. 0 0 10000
Activision Inc. 259669 0 241756
AdaptiveBroadband Corp 277982 0 306137
Adobe Systems Inc. 109204 0 39823
Advanced Digital Info. Corp. 3055 0 39809
Advanced Fibre Communication 0 0 86700
Affymetrix Inc. 322981 0 192905
Amdocs Ltd. 475720 0 76611
Anadigics Inc. 0 0 14277
Applied Micro Circuits Corp. 320918 0 117006
Applix Inc. 0 0 10000
Argosy Gaming Company 4222 0 55309
Art Technology Group 163457 0 154306
ArthroCare Corp. 19723 0 40649
Artisoft Inc. 0 0 81200
Asyst Technologies Inc. 55359 0 51702
Audiocodes Ltd. 230001 0 32259
Aurora Biosciences Corp. 7157 0 94033
Basin Exploration Inc. 56932 0 53481
Bidhit.com Inc 575872 0 25675
Biogen Inc. 160716 0 58540
Blonder Tongue Labs 0 0 17000
Braun's Fashions Corp. 0 0 10000
Broadcom Corp. - Cl. A 93992 0 34259
Broadvision Inc 103271 0 38170
Business Objects S. A. Sp ADR 626894 0 192851
C Cube Microsystems Inc. 197573 0 79478
C-COR Electronics 98060 0 128073
CMG Information Services Inc. 125067 0 109616
CNET Inc. 281606 0 103742
CYRO-CELL International Inc. 0 0 24000
Cable Design Technologies 40048 0 37181
California Amplifier Inc. 10692 0 233124
Calpine Corporation 190640 0 69561
CardioDynamics Intl. Corp. 202828 0 154890
</TABLE>
<PAGE> 5
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus Capital Management, Inc. ("DCM")
===================================================================================================================================
Item 6:
Item 5: Investment Discretion
Shares ====================================
Item 1: Item 2: Item 3: Item 4: or
Name of Issuer Title of Class CUSIP Fair Market Principal (b) Shared (c)
Number Value Amount (a)Sole -As Defined Shared -
in Instr. V Other
===================================================================================================================================
<S> <C> <C> <C> <C> <C> <C> <C>
Casino Data Systems Common 14758310 638 130933X
Catalysts Semiconductor Inc. Common 14888110 85 40000X
Catherine's Stores Corp. Common 14916F10 144 11000X
Celgene Corp. Common 15102010 21508 794758X
Central European Media Ent. - A ADR G2004510 23 15000X
Cephalon Inc. Common 15670810 14093 784297X
Cheap Tickets Inc Common 16267210 7909 244308X
Check Point Software Tech. ADR M2246510 62692 742463X
China.com ADR G2108N10 110357 1697798X
Cia Vale do Rio Doce - Sp. ADR ADR 20441210 4744 224579X
Cidco Inc. Common 17176810 457 35000X
Cinar Corp Inc. - Cl. B Sub Vtg. Common 17190530 484 16000X
Cohu Inc. Common 19257610 670 31738X
CommScope Inc. Common 20337210 15398 473789X
Commtouch Software ltd. ADR M2559610 153 10300X
Comstock Resources Inc. Common 20576820 124 30000X
Concurrent Computer Corp. Common 20671020 1125 165166X
Conexant Systems Common 20714210 20311 279545X
Corel Corp. Common 21868Q10 185 25000X
Corsair Communications Inc. Common 22040610 505 71500X
Credence Systems Corp. Common 22530210 10735 239229X
Cree Research Inc. Common 22544710 20111 592592X
Cubist Pharmaceuticals Inc. Common 22967810 681 79535X
Cumulus Media Inc. - Cl. A Common 23108210 13586 415626X
Cyberonics Common 23251P10 1749 97846X
Cypress Semiconductor Corp. Common 23280610 18172 845190X
Cytyc Corporation Common 23294610 6299 162817X
DII Group Inc. Common 23294910 943 26800X
DSP Group Inc. Common 23332B10 10303 258373X
Datalink Corp Common 23793410 176 14900X
Devon Energy Corporation Common 25179M10 15850 382497X
Diamond Offshore Drilling Common 25271C10 5345 160136X
Diatide Inc. Common 25284210 522 56000X
Digital Lightwave Inc. Common 25385510 379 53250X
Digitran Systems Inc. Common 25389810 17 223200X
DoubleClick Inc. Common 25860930 10610 89064X
Driehaus International Growth Fund Common 26202810 14510 1050680X
ESS Technology Common 26915110 454 34280X
EchoStar Communications - A Common 27876210 15626 172069X
Eclipse Surgical Tech Common 27884910 1883 114124X
Eidos Plc Adr ADR 28248510 2746 43500X
Elantec Semiconductor Common 28415510 1449 81939X
Electronic Arts Inc. Common 28551210 30774 425202X
Electronics Boutique Hldgs Common 28604510 12236 475195X
Emulex Corp. Common 29247520 54196 631098X
Enzon Inc. Common 29390410 7103 232888X
Exar Corp. Common 30064510 1789 47797X
Express Scripts Inc. - Cl. A Common 30218210 18927 241877X
Extreme Networks Inc Common 30226D10 16700 263775X
Factory 2 U Stores Common 30307210 3711 124220X
<CAPTION>
================================================================================================
(SEC USE ONLY)
================================================================================================
Item 8:
Voting Authority (Shares)
=====================================
Item 7:
Managers
See Instr. V (a) Sole (b) Shared (c) None
================================================================================================
<S> <C> <C> <C> <C>
Casino Data Systems 59951 0 70982
Catalysts Semiconductor Inc. 0 0 40000
Catherine's Stores Corp. 0 0 11000
Celgene Corp. 393652 0 401106
Central European Media Ent. - A 0 0 15000
Cephalon Inc. 407844 0 376453
Cheap Tickets Inc 124060 0 120248
Check Point Software Tech. 606380 0 136083
China.com 1193943 0 503855
Cia Vale do Rio Doce - Sp. ADR 224579 0 0
Cidco Inc. 0 0 35000
Cinar Corp Inc. - Cl. B Sub Vtg. 0 0 16000
Cohu Inc. 2294 0 29444
CommScope Inc. 347423 0 126366
Commtouch Software ltd. 8500 0 1800
Comstock Resources Inc. 0 0 30000
Concurrent Computer Corp. 65139 0 100027
Conexant Systems 204320 0 75225
Corel Corp. 0 0 25000
Corsair Communications Inc. 0 0 71500
Credence Systems Corp. 170376 0 68853
Cree Research Inc. 289292 0 303300
Cubist Pharmaceuticals Inc. 5748 0 73787
Cumulus Media Inc. - Cl. A 215509 0 200117
Cyberonics 36068 0 61778
Cypress Semiconductor Corp. 618401 0 226789
Cytyc Corporation 86113 0 76704
DII Group Inc. 0 0 26800
DSP Group Inc. 125965 0 132408
Datalink Corp 0 0 14900
Devon Energy Corporation 280249 0 102248
Diamond Offshore Drilling 117337 0 42799
Diatide Inc. 0 0 56000
Digital Lightwave Inc. 0 0 53250
Digitran Systems Inc. 0 0 223200
DoubleClick Inc. 65295 0 23769
Driehaus International Growth Fund 0 0 1050680
ESS Technology 0 0 34280
EchoStar Communications - A 126486 0 45583
Eclipse Surgical Tech 8165 0 105959
Eidos Plc Adr 37872 0 5628
Elantec Semiconductor 3605 0 78334
Electronic Arts Inc. 311505 0 113697
Electronics Boutique Hldgs 245487 0 229708
Emulex Corp. 311789 0 319309
Enzon Inc. 120417 0 112471
Exar Corp. 16648 0 31149
Express Scripts Inc. - Cl. A 177231 0 64646
Extreme Networks Inc 193359 0 70416
Factory 2 U Stores 34259 0 89961
</TABLE>
<PAGE> 6
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus Capital Management, Inc. ("DCM")
===================================================================================================================================
Item 6:
Item 5: Investment Discretion
Shares ====================================
Item 1: Item 2: Item 3: Item 4: or
Name of Issuer Title of Class CUSIP Fair Market Principal (b) Shared (c)
Number Value Amount (a)Sole -As Defined Shared -
in Instr. V Other
===================================================================================================================================
<S> <C> <C> <C> <C> <C> <C> <C>
Firstcom Corp Common 33763T10 327 32700 X
Four Kids Entertainment Inc. Common 35086510 26308 841844 X
Gemstar Intl Common G3788V10 16132 206492 X
Genzyme Transgenics Corp Common 37246E10 240 35500 X
Gildan Activewear Cl A ADR 37591610 930 53888 X
Global Datatel Inc Common 37934G10 64 10000 X
Global Marine Inc. Common 37935240 4083 248404 X
Grey Wolf Common 39788810 293 97500 X
Harmonic Lightwaves Inc. Common 41316010 40249 307684 X
Headhunter Net Common 42207710 125 10000 X
Hi/FN Inc. Common 42835810 45637 413942 X
Hispanic Broadcasting Corp. - A Common 43357B10 10525 138261 X
Homeseekers.com Common 43760510 363 29000 X
Human Genome Sciences Inc. Common 44490310 6942 94124 X
Ilex Oncology Inc Common 45192310 274 22400 X
Imclone Systems Common 45245W10 10199 306724 X
Inktomi Corporation Common 45727710 6589 54893 X
Interleaf, Inc. Common 45872920 492 28961 X
Internet Capital Group Common 46059C10 24863 282934 X
Internet Initiative Japan ADR ADR 46059T10 25918 404964 X
Interphase Corp. Common 46059310 782 33472 X
Ion Networks Inc. Common 46205P10 174 27000 X
Isle of Capri Casinos Common 46459210 484 48394 X
JAKKS Pacific Inc. Common 47012E10 1173 31283 X
JDS Uniphase Corp Common 46612J10 39541 347419 X
Juniper Networks Inc. Common 48203R10 7485 41115 X
Key Energy Group Common 49291410 379 76700 X
Lamar Advertising Co Common 51281510 743 15000 X
Legato Systems Inc Common 52465110 32015 734400 X
Leukosite Inc Common 52728R10 954 47381 X
Lightbridge Inc Common 53222610 2245 114049 X
Lightpath Tech Inc Common 53225710 219 54000 X
M R V Communications Common 55347710 14037 592588 X
M Systems Flsh Dsk Pionr ADR M7061C10 819 76600 X
M T I Technology Corp Common 55390310 41197 1786334 X
Macrovision Corp Common 55590410 19180 432219 X
Marine Drilling Co. Common 56824020 4206 265980 X
Mattson Technology Inc Common 57722310 980 82110 X
Maverick Tube Common 57791410 985 59225 X
MedImmune Inc. Common 58469910 19194 192601 X
Medarex Inc. Common 58391610 680 95489 X
Mentor Corp./Minn. Common 58718810 399 14000 X
Mercury Interactive Corp Common 58940510 26699 413541 X
Merix Corp Common 59004910 143 11000 X
Micro Component Tech Common 59479Q10 97 25000 X
Microwave Power Devices Common 59517M10 383 28000 X
Mih Ltd Tort Shs A Common G6116R10 5489 190104 X
Millenium Pharmaceutic Common 59990210 7868 121040 X
Minimed Inc Common 60365K10 20165 205239 X
Monmouth REIT - Cl. A Common 60972010 613 114000 X
<CAPTION>
================================================================================================
(SEC USE ONLY)
================================================================================================
Item 8:
Voting Authority (Shares)
=====================================
Item 7:
Managers
See Instr. V (a) Sole (b) Shared (c) None
================================================================================================
<S> <C> <C> <C> <C>
Firstcom Corp 12700 0 20000
Four Kids Entertainment Inc. 376728 0 465116
Gemstar Intl 132089 0 74403
Genzyme Transgenics Corp 0 0 35500
Gildan Activewear Cl A 44225 0 9663
Global Datatel Inc 0 0 10000
Global Marine Inc. 182035 0 66369
Grey Wolf 0 0 97500
Harmonic Lightwaves Inc. 162685 0 144999
Headhunter Net 0 0 10000
Hi/FN Inc. 234294 0 179648
Hispanic Broadcasting Corp. - A 101379 0 36882
Homeseekers.com 0 0 29000
Human Genome Sciences Inc. 68976 0 25148
Ilex Oncology Inc 0 0 22400
Imclone Systems 159289 0 147435
Inktomi Corporation 40104 0 14789
Interleaf, Inc. 2096 0 26865
Internet Capital Group 207400 0 75534
Internet Initiative Japan ADR 355428 0 49536
Interphase Corp. 14776 0 18696
Ion Networks Inc. 0 0 27000
Isle of Capri Casinos 0 0 48394
JAKKS Pacific Inc. 14750 0 16533
JDS Uniphase Corp 254096 0 93323
Juniper Networks Inc. 29757 0 11358
Key Energy Group 0 0 76700
Lamar Advertising Co 0 0 15000
Legato Systems Inc 537812 0 196588
Leukosite Inc 3417 0 43964
Lightbridge Inc 5882 0 108167
Lightpath Tech Inc 0 0 54000
M R V Communications 292566 0 300022
M Systems Flsh Dsk Pionr 0 0 76600
M T I Technology Corp 795876 0 990458
Macrovision Corp 194176 0 238043
Marine Drilling Co. 137923 0 128057
Mattson Technology Inc 5936 0 76174
Maverick Tube 4275 0 54950
MedImmune Inc. 141027 0 51574
Medarex Inc. 31464 0 64025
Mentor Corp./Minn. 0 0 14000
Mercury Interactive Corp 302998 0 110543
Merix Corp 0 0 11000
Micro Component Tech 0 0 25000
Microwave Power Devices 0 0 28000
Mih Ltd Tort Shs A 160636 0 29468
Millenium Pharmaceutic 88637 0 32403
Minimed Inc 150201 0 55038
Monmouth REIT - Cl. A 0 0 114000
</TABLE>
<PAGE> 7
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus Capital Management, Inc. ("DCM")
===================================================================================================================================
Item 5: Item 6:
Shares Investment Discretion
Item 1: Item 2: Item 3: Item 4: or ====================================
Name of Issuer Title of Class CUSIP Fair Market Principal (b) Shared (c)
Number Value Amount (a)Sole -As Defined Shared -
in Instr. V Other
===================================================================================================================================
<S> <C> <C> <C> <C> <C> <C> <C>
NS Group Inc. Common 62891610 156 14500 X
Netopia Inc Common 64114K10 9462 237300 X
Netoptix Corp Common 64116F10 952 44023 X
Netsolve Common 64115J10 888 50000 X
Newfield Exploration Company Common 65129010 9499 288392 X
Northeast Optic Network Common 66433410 2597 68783 X
Novadigm Inc. Common 66993710 683 46710 X
Noven Pharmaceuticals Common 67000910 187 22000 X
Nyfix Inc Common 67071210 678 26197 X
Optimal Robotics Corp Common 68388R20 2772 153980 X
Orckit Communications Limited ADR M7531S10 33908 958539 X
Ortel Corp Common 68749W10 202 13000 X
Outdoor Systems Inc Common 69005710 1626 45480 X
PE Corp-PE Biosystems Common 69332S10 11836 163822 X
PMC - Sierra Inc. Common 69344F10 20455 221136 X
Pacific Internet Ltd ADR Y6618310 8665 270774 X
Packeteer Inc Common 69521010 6191 181759 X
Patterson Energy Inc Common 70341410 636 41868 X
Performance Tech Inc Common 71376K10 2897 128379 X
Pericom Semiconductor Common 71383110 556 37400 X
Phone.Com Common 71920Q10 8261 54528 X
Photon Dynamics Inc Common 71936410 1959 93300 X
Point Of Sale Limited ADR M7945W10 998 87723 X
Power Integrations Inc Common 73927610 10052 145153 X
Powerwave Tech Inc Common 73936310 885 18353 X
Precision Drilling Corp. ADR 74022D10 3635 156769 X
Price Communications Corp. Common 74143730 26625 1062355 X
Private Bancorp Inc Common 74296210 1947 109662 X
Puma Technology Inc Common 74588710 1165 76400 X
QLT PhotoTherapeutics Inc. ADR 74692710 12301 160923 X
Qlogic Corp Common 74727710 42804 613124 X
Qualcomm Inc. Common 74752510 25350 133995 X
RF Micro Devices Inc Common 74994110 35753 781482 X
Radio One Inc. Common 75040P10 4165 100351 X
Redback Networks Common 75720910 13874 128467 X
Remington Oil & Gas Corp. Common 75959430 171 30000 X
Research in Motion Inc ADR 76097510 6460 208800 X
Rural Cellular Corp Common 78190410 2093 45632 X
SDL Inc. Common 78407610 6299 82544 X
SK Telecom Co Ltd-ADR ADR 78440P10 857 83064 X
Santa Cruz Operation Inc Common 80183310 3848 322359 X
Sapient Corporation Common 80306210 5647 59912 X
Scient Corp Common 80864H10 11287 176364 X
Seibel Systems Inc Common 82617010 10043 150741 X
Silicon Storage Tech Common 82705710 1104 78187 X
Sound Advice Inc. Common 83606610 181 25000 X
Spectrian Corp Common 84760810 1243 57155 X
Startek Inc Common 85569C10 1404 25586 X
Stone Energy Corp Common 86164210 11067 217006 X
Strategic Diagnostic Inc Common 86270010 3024 333718 X
<CAPTION>
================================================================================================
(SEC USE ONLY)
================================================================================================
Item 8:
Voting Authority (Shares)
=====================================
Item 7:
Managers
See Instr. V (a) Sole (b) Shared (c) None
================================================================================================
<S> <C> <C> <C> <C>
NS Group Inc. 0 0 14500
Netopia Inc 116593 0 120707
Netoptix Corp 3176 0 40847
Netsolve 28225 0 21775
Newfield Exploration Company 149083 0 139309
Northeast Optic Network 4529 0 64254
Novadigm Inc. 3380 0 43330
Noven Pharmaceuticals 0 0 22000
Nyfix Inc 1922 0 24275
Optimal Robotics Corp 55236 0 98744
Orckit Communications Limited 717514 0 241025
Ortel Corp 0 0 13000
Outdoor Systems Inc 0 0 45480
PE Corp-PE Biosystems 119971 0 43851
PMC - Sierra Inc. 161873 0 59263
Pacific Internet Ltd 237535 0 33239
Packeteer Inc 131018 0 50741
Patterson Energy Inc 0 0 41868
Performance Tech Inc 7236 0 121143
Pericom Semiconductor 0 0 37400
Phone.Com 39576 0 14952
Photon Dynamics Inc 4284 0 89016
Point Of Sale Limited 44430 0 43293
Power Integrations Inc 58228 0 86925
Powerwave Tech Inc 0 0 18353
Precision Drilling Corp. 79453 0 77316
Price Communications Corp. 538973 0 523382
Private Bancorp Inc 0 0 109662
Puma Technology Inc 3620 0 72780
QLT PhotoTherapeutics Inc. 117817 0 43106
Qlogic Corp 368296 0 244828
Qualcomm Inc. 97996 0 35999
RF Micro Devices Inc 451509 0 329973
Radio One Inc. 47186 0 53165
Redback Networks 93916 0 34551
Remington Oil & Gas Corp. 0 0 30000
Research in Motion Inc 133035 0 75765
Rural Cellular Corp 11872 0 33760
SDL Inc. 42457 0 40087
SK Telecom Co Ltd-ADR 82464 0 600
Santa Cruz Operation Inc 175586 0 146773
Sapient Corporation 43902 0 16010
Scient Corp 129210 0 47154
Seibel Systems Inc 110333 0 40408
Silicon Storage Tech 3867 0 74320
Sound Advice Inc. 0 0 25000
Spectrian Corp 3001 0 54154
Startek Inc 1888 0 23698
Stone Energy Corp 112352 0 104654
Strategic Diagnostic Inc 16097 0 317621
</TABLE>
<PAGE> 8
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus Capital Management, Inc. ("DCM")
===================================================================================================================================
Item 6:
Item 5: Investment Discretion
Shares ====================================
Item 1: Item 2: Item 3: Item 4: or
Name of Issuer Title of Class CUSIP Fair Market Principal (b) Shared (c)
Number Value Amount (a)Sole -As Defined Shared -
in Instr. V Other
===================================================================================================================================
<S> <C> <C> <C> <C> <C> <C> <C>
Superior Energy Services Inc. Common 86815710 253 40000 X
SurModics Inc. Common 86887310 385 25857 X
TTI Team Telecom Intl Ltd ADR M8825810 101 10000 X
Taiwan Semiconductor ADR ADR 87403910 5139 174203 X
Take-two Interactv Sftwr Common 87405410 409 37000 X
Tekelec Common 87910110 254 18400 X
The 3DO Co. Common 88553W10 201 20000 X
Titan Pharmaceuticals Inc Common 88831410 876 93480 X
Topps Company (The) Common 89078610 211 28173 X
Trend Micro Inc Spon ADR ADR 89486M10 177 13500 X
Triquint Semiconductor Common 89674K10 1343 23486 X
Tubos De Acero De Mexico - Sp. ADR ADR 89859250 284 23200 X
U T I Energy Corp Common 90338710 563 28950 X
Univision Comm Cl A Common 91490610 8162 100296 X
V3 Semiconductor Inc ADR 91839210 116 10000 X
VISX Inc. Common 92844S10 42390 535948 X
Valuevision Intl Cl A Common 92047K10 20616 792907 X
Veramark Technologies Inc. Common 92335110 538 46275 X
Verisign Inc. Common 92343E10 21571 202543 X
Vitafort International Corp. Common 92846730 40 100000 X
Voicestream Wireless Corp Common 92861510 16654 269842 X
Wal-Mart Stores Inc. Common 93114210 4709 99000 X
Westwood One Inc. Common 96181510 7872 174452 X
Xicor Inc. Common 98490310 157 28000 X
Zoll Medical Corp. Common 98992210 4348 143720 X
Zomax Optical Media Inc. Common 98992910 1857 71772 X
Zoran Corp. Common 98975F10 10117 372973 X
aremissoft corp Common 4002610 170 15100 X
braun consulting Common 10565110 803 48320 X
ditech communications Common 25500M10 22107 421082 X
polymedia corp Common 73173810 2958 127227 X
Grand Total 1993430 44958165
<CAPTION>
================================================================================================
(SEC USE ONLY)
================================================================================================
Item 8:
Voting Authority (Shares)
=====================================
Item 7:
Managers
See Instr. V (a) Sole (b) Shared (c) None
================================================================================================
<S> <C> <C> <C> <C>
Superior Energy Services Inc. 0 0 40000
SurModics Inc. 10503 0 15354
TTI Team Telecom Intl Ltd 7500 0 2500
Taiwan Semiconductor ADR 149585 0 24618
Take-two Interactv Sftwr 0 0 37000
Tekelec 0 0 18400
The 3DO Co. 0 0 20000
Titan Pharmaceuticals Inc 6735 0 86745
Topps Company (The) 0 0 28173
Trend Micro Inc Spon ADR 13500 0 0
Triquint Semiconductor 1687 0 21799
Tubos De Acero De Mexico - Sp. ADR 23200 0 0
U T I Energy Corp 0 0 28950
Univision Comm Cl A 73339 0 26957
V3 Semiconductor Inc 0 0 10000
VISX Inc. 277198 0 258750
Valuevision Intl Cl A 371139 0 421768
Veramark Technologies Inc. 0 0 46275
Verisign Inc. 148350 0 54193
Vitafort International Corp. 0 0 100000
Voicestream Wireless Corp 196903 0 72939
Wal-Mart Stores Inc. 0 0 99000
Westwood One Inc. 127824 0 46628
Xicor Inc. 0 0 28000
Zoll Medical Corp. 29478 0 114242
Zomax Optical Media Inc. 4185 0 67587
Zoran Corp. 155768 0 217205
aremissoft corp 0 0 15100
braun consulting 3147 0 45173
ditech communications 213209 0 207873
polymedia corp 28659 0 98568
Grand Total 24541940 20416226
</TABLE>