<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: December 31, 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.
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Address: 25 East Erie Street
-------------------------------------------------
Chicago, Illinois 60611
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-------------------------------------------------
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
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Phone: (312) 587-3800
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Signature, Place, and Date of Signing:
/s/ Mary H. Weiss Chicago, Illinois February 11, 2000
- ----------------------- -------------------------------- -----------------
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: 289
------------------
Form 13F Information Table Value Total: $ 4039760
------------------
(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>
ACTV Inc. Common 00088E10 8699 190393 X
AES Corporation Common 00130H10 14165 189500 X
APAC TeleServices Inc. Common 00185E10 577 41000 X
ARIBA Common 04033V10 3177 17912 X
ARIS Corp. Common 04040A10 441 37500 X
ASM Lithography Holding NV ADR N0705911 66102 581115 X
Active Software, Inc. Common 00504E10 18506 201152 X
Actuate Software Corp. Common 00508B10 10815 252254 X
Advanced Fibre Communication Common 00754A10 3481 77900 X
Affymetrix Inc. Common 00826T10 23942 141093 X
Allaire Common 01671410 6606 45150 X
Amdocs Ltd. Common G0260210 13645 395517 X
Amkor Technologies Inc. Common 03165210 3692 130692 X
Amtech Systems Inc. Common 03233250 155 31000 X
Analog Devices Common 03265410 22523 242184 X
AnswerThink Consulting Group Common 03691610 4061 118566 X
Applied Micro Circuits Corp. Common 03822W10 40551 318675 X
ArQule Inc. Common 04269E10 390 38000 X
Artisan Components Inc. Common 04292310 826 40026 X
Artisoft Inc. Common 04314L10 3188 177138 X
Aspect Communications Corp. Common 04523Q10 23584 602790 X
Aspect Development Inc. Common 04523410 37569 548455 X
Aspen Technology Inc. Common 04532710 547 20700 X
Asyst Technologies Inc. Common 04648X10 21021 320629 X
Atmel Corp. Common 04951310 4817 162948 X
Audiocodes Ltd. ADR M1534210 52803 573951 X
Audiovox Corp. - Cl. A Common 05075710 11530 381164 X
Bea Systems Inc Common 07332510 28069 401346 X
Blue Wave Systems Inc Common 09608110 2027 219082 X
Braun's Fashions Corp. Common 10565810 336 15987 X
Broadcom Corp. - Cl. A Common 11132010 16296 59831 X
Broadvision Inc Common 11141210 60579 356214 X
Business Objects S. A. Sp ADR ADR 12328X10 76625 573430 X
C-COR.net Corporation Common 12501010 41541 542131 X
CDW Computer Centers Inc. Common 12512910 7829 99573 X
CIMA Labs Inc. Common 17179610 131 10000 X
CMG Information Services Inc. Common 12575010 87011 314262 X
Cabletron Systems Common 12692010 2832 108940 X
California Amplifier Inc. Common 12990010 5461 207556 X
California Micro Devices Corp. Common 13043910 1551 132000 X
CardioDynamics Intl. Corp. Common 14159710 3757 683051 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>
ACTV Inc. 141285 0 49108
AES Corporation 140633 0 48867
APAC TeleServices Inc. 0 0 41000
ARIBA 12674 0 5238
ARIS Corp. 0 0 37500
ASM Lithography Holding NV 516766 0 64349
Active Software, Inc. 146720 0 54432
Actuate Software Corp. 139676 0 112578
Advanced Fibre Communication 0 0 77900
Affymetrix Inc. 104749 0 36344
Allaire 32801 0 12349
Amdocs Ltd. 331580 0 63937
Amkor Technologies Inc. 96815 0 33877
Amtech Systems Inc. 0 0 31000
Analog Devices 179481 0 62703
AnswerThink Consulting Group 65564 0 53002
Applied Micro Circuits Corp. 236497 0 82178
ArQule Inc. 0 0 38000
Artisan Components Inc. 23244 0 16782
Artisoft Inc. 10729 0 166409
Aspect Communications Corp. 334447 0 268343
Aspect Development Inc. 303390 0 245065
Aspen Technology Inc. 0 0 20700
Asyst Technologies Inc. 173910 0 146719
Atmel Corp. 120247 0 42701
Audiocodes Ltd. 496370 0 77581
Audiovox Corp. - Cl. A 206251 0 174913
Bea Systems Inc 297620 0 103726
Blue Wave Systems Inc 13433 0 205649
Braun's Fashions Corp. 0 0 15987
Broadcom Corp. - Cl. A 44317 0 15514
Broadvision Inc 263120 0 93094
Business Objects S. A. Sp ADR 441761 0 131669
C-COR.net Corporation 292895 0 249236
CDW Computer Centers Inc. 73919 0 25654
CIMA Labs Inc. 0 0 10000
CMG Information Services Inc. 186945 0 127317
Cabletron Systems 72167 0 36773
California Amplifier Inc. 10449 0 197107
California Micro Devices Corp. 0 0 132000
CardioDynamics Intl. Corp. 296270 0 386781
</TABLE>
<PAGE> 5
<TABLE>
<CAPTION>
Name of Reporting Manager: Driehaus Capital Management, Inc. ("DCM")
- -----------------------------------------------------------------------------------------------------------------------------------
Item 6:
Investment Discretion
Item 5: ------------------------------
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>
Catalysts Semiconductor Inc. Common 14888110 145 42836X
Celeritek Inc. Common 15092610 663 34000X
Celgene Corp. Common 15102010 21346 304946X
Cell Genesys Inc. Common 15092110 1208 94280X
Cellpoint Inc. ADR 15115E10 1048 22300X
Chartered Semiconductor ADR ADR 16133R10 16057 219962X
Check Point Software Tech ADR M2246510 113042 568764X
China.com ADR G2108N10 117181 1490381X
Clarus Corp Common 18270710 1962 29732X
Clickaction Inc. Common 18681E10 736 25000X
Cognitronics Corp. Common 19243210 211 12500X
Colt Telecom Group - Spons. ADR ADR 19687710 30432 149176X
CommScope Inc. Common 20337210 18157 450402X
Commerce One Inc Common 20069310 10635 54123X
Concord Camera Corp. Common 20615610 1138 50000X
Concurrent Computer Corp. Common 20671020 9019 482622X
Conexant Systems Common 20714210 38876 585697X
Corsair Communications Inc. Common 22040610 797 98117X
Cree Inc. Common 22544710 43306 507249X
Cubist Pharmaceuticals Inc. Common 22967810 693 36000X
Cyber-care Inc Common 23243T10 832 91222X
Cytyc Corporation Common 23294610 42258 692037X
DII Group Inc. Common 23294910 1923 27100X
Datalink Corp. Common 23793410 269 13960X
Dataram Corp. Common 23810820 561 25000X
Dense-Pac Microsystems Inc. Common 24871930 2041 254148X
Diamond Tech. Partners Inc. Common 25276210 35233 409985X
Digital Lightwave Inc. Common 25385510 91213 1425202X
Digitran Systems Inc. Common 25389810 14 273200X
Direct Focus Common 25493110 720 25957X
Diversinet Corp Common 25536K20 965 43881X
DoubleClick Inc. Common 25860930 11860 46866X
Dynamicweb Enterprises Common 26806020 184 15000X
E C C S Inc Common 26825H10 4360 345351X
E-tek dynamics Inc. Common 26924010 26225 194798X
EchoStar Communications - A Common 27876210 25710 263692X
Eidos Plc Adr ADR 28248510 3492 42075X
El Sitio ADR G3017710 2035 55361X
Elantec Semiconductor Common 28415510 1126 34122X
Emmis Broadcasting Cl A Common 29152510 33319 267317X
Emulex Corp. Common 29247520 110765 984575X
Entercom Communications Corp. Common 29363910 5349 80744X
Enzon Inc. Common 29390410 9120 210254X
Equant N V - NY Reg Shr ADR 29440910 14840 132500X
Ericsson (L.M.) Tel Co-Spons ADR ADR 29482140 13371 203553X
Esoft Inc Common 29690410 2735 93903X
Euroweb Intl Corp Common 29880110 405 35000X
Evolving Systems Inc. Common 30049R10 160 18843X
Exabyte Corporation Common 30061510 492 65571X
Exar Corp. Common 30064510 1827 31026X
<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>
Catalysts Semiconductor Inc. 0 0 42836
Celeritek Inc. 0 0 34000
Celgene Corp. 160476 0 144470
Cell Genesys Inc. 8594 0 85686
Cellpoint Inc. 0 0 22300
Chartered Semiconductor ADR 193876 0 26086
Check Point Software Tech 465284 0 103480
China.com 1062876 0 427505
Clarus Corp 2651 0 27081
Clickaction Inc. 0 0 25000
Cognitronics Corp. 0 0 12500
Colt Telecom Group - Spons. ADR 131784 0 17392
CommScope Inc. 334718 0 115684
Commerce One Inc 39927 0 14196
Concord Camera Corp. 0 0 50000
Concurrent Computer Corp. 208796 0 273826
Conexant Systems 433679 0 152018
Corsair Communications Inc. 30208 0 67909
Cree Inc. 261615 0 245634
Cubist Pharmaceuticals Inc. 3291 0 32709
Cyber-care Inc 8322 0 82900
Cytyc Corporation 375234 0 316803
DII Group Inc. 0 0 27100
Datalink Corp. 0 0 13960
Dataram Corp. 0 0 25000
Dense-Pac Microsystems Inc. 17613 0 236535
Diamond Tech. Partners Inc. 227334 0 182651
Digital Lightwave Inc. 738420 0 686782
Digitran Systems Inc. 50000 0 223200
Direct Focus 15074 0 10883
Diversinet Corp 25469 0 18412
DoubleClick Inc. 34666 0 12200
Dynamicweb Enterprises 0 0 15000
E C C S Inc 75064 0 270287
E-tek dynamics Inc. 143870 0 50928
EchoStar Communications - A 195401 0 68291
Eidos Plc Adr 38126 0 3949
El Sitio 33529 0 21832
Elantec Semiconductor 0 0 34122
Emmis Broadcasting Cl A 198789 0 68528
Emulex Corp. 477036 0 507539
Entercom Communications Corp. 44856 0 35888
Enzon Inc. 116255 0 93999
Equant N V - NY Reg Shr 128629 0 3871
Ericsson (L.M.) Tel Co-Spons ADRADR 177714 0 25839
Esoft Inc 7977 0 85926
Euroweb Intl Corp 8000 0 27000
Evolving Systems Inc. 0 0 18843
Exabyte Corporation 0 0 65571
Exar Corp. 7999 0 23027
</TABLE>
<PAGE> 6
<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>
Exodus Communications Inc. Common 30208810 9727 109528 X
Extended Systems Inc. Common 30197310 1541 32189 X
Firstcom Corp Common 33763T10 41018 1116147 X
Flextronics Intl Ltd Common Y2573F10 17006 369689 X
Forest Laboratories Inc. Common 34583810 16151 262890 X
Gemstar Intl Common G3788V10 28519 400260 X
Genelabs Technologies Common 36870610 165 30000 X
Genentech Common 36871040 10027 74548 X
Genome Therapeutics Corp Common 37243010 1037 64300 X
Genset - Spons Adr ADR 37244T10 400 21000 X
Gentner Communications Corp Common 37245J10 165 11800 X
Genzyme Corp. - Genl. Division Common 37291710 11142 247604 X
Geoworks Corporation Common 37369210 2618 156320 X
Glenayre Tech Inc Common 37789910 690 60999 X
Global Datatel Inc Common 37934G10 11 10000 X
Global Telesystems Group Common 37936U10 13591 392511 X
Globalnet Financial.com Common 37937R20 766 26600 X
Globo Cabo SA Spons ADR ADR 37957X10 617 34300 X
Golden Telecom Inc. ADR 38122G10 391 12225 X
Grupo Televisa SA - Spons GDR ADR 40049J20 31204 457204 X
Harmonic Lightwaves Inc. Common 41316010 5491 57842 X
Harris & Harris Group Inc. Common 41383310 230 20000 X
Hot Topic Inc. Common 44133910 21756 935737 X
Human Genome Sciences Inc. Common 44490310 13806 90454 X
Hyseq Inc. Common 44916330 1439 84655 X
I Two Technologies Common 46575410 32608 167219 X
IMAGEX.COM Common 45244D10 826 19723 X
IONA Technologies Common 46206P10 654 11997 X
Inamed Corp. Common 45323510 1341 30574 X
Incyte Pharmaceuticals Inc Common 45337C10 6750 112500 X
Infinity Broadcasting Corp-A Common 45662S10 2069 57175 X
Infospace.com Common 45678T10 25409 118735 X
Inso Corporation Common 45767410 3541 109794 X
Integrated Device Technology Inc Common 45811810 12993 448027 X
Intelect Communications Inc. Common 45814410 138 100000 X
Intelligroup Inc Common 45816A10 350 14161 X
Interleaf, Inc. Common 45872920 2403 71477 X
Internet Capital Group Common 46059C10 25878 152224 X
Internet Initiative Japan ADR ADR 46059T10 31365 322729 X
Intranet Solutions Inc Common 46093930 3776 102059 X
Ion Networks Inc. Common 46205P10 3233 144505 X
Iridex Corp Common 46268410 129 15000 X
Isle of Capri Casinos Common 46459210 535 40552 X
JDS Uniphase Corp Common 46612J10 70920 439645 X
Kulicke & Soffa Industries Common 50124210 881 20700 X
Lamar Advertising Co Common 51281510 933 15400 X
Level 8 Systems Inc. Common 52729M10 765 22125 X
Liberty Digital Inc Common 53043610 24408 328725 X
Lightbridge Inc Common 53222610 1702 61319 X
Lightpath Tech Inc Common 53225710 1442 77152 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>
Exodus Communications Inc. 81290 0 28238
Extended Systems Inc. 7829 0 24360
Firstcom Corp 991570 0 124577
Flextronics Intl Ltd 274191 0 95498
Forest Laboratories Inc. 194984 0 67906
Gemstar Intl 258064 0 142196
Genelabs Technologies 0 0 30000
Genentech 55335 0 19213
Genome Therapeutics Corp 0 0 64300
Genset - Spons Adr 0 0 21000
Gentner Communications Corp 0 0 11800
Genzyme Corp. - Genl. Division 183812 0 63792
Geoworks Corporation 8940 0 147380
Glenayre Tech Inc 0 0 60999
Global Datatel Inc 0 0 10000
Global Telesystems Group 347085 0 45426
Globalnet Financial.com 15460 0 11140
Globo Cabo SA Spons ADR 34300 0 0
Golden Telecom Inc. 6225 0 6000
Grupo Televisa SA - Spons GDR 402683 0 54521
Harmonic Lightwaves Inc. 2 0 57840
Harris & Harris Group Inc. 0 0 20000
Hot Topic Inc. 521633 0 414104
Human Genome Sciences Inc. 67227 0 23227
Hyseq Inc. 4490 0 80165
I Two Technologies 124064 0 43155
IMAGEX.COM 1794 0 17929
IONA Technologies 0 0 11997
Inamed Corp. 16972 0 13602
Incyte Pharmaceuticals Inc 83489 0 29011
Infinity Broadcasting Corp-A 0 0 57175
Infospace.com 88190 0 30545
Inso Corporation 8147 0 101647
Integrated Device Technology IncCommon 331348 0 116679
Intelect Communications Inc. 0 0 100000
Intelligroup Inc 0 0 14161
Interleaf, Inc. 5982 0 65495
Internet Capital Group 111675 0 40549
Internet Initiative Japan ADR 293136 0 29593
Intranet Solutions Inc 9092 0 92967
Ion Networks Inc. 8705 0 135800
Iridex Corp 0 0 15000
Isle of Capri Casinos 0 0 40552
JDS Uniphase Corp 326332 0 113313
Kulicke & Soffa Industries 11109 0 9591
Lamar Advertising Co 0 0 15400
Level 8 Systems Inc. 9937 0 12188
Liberty Digital Inc 244052 0 84673
Lightbridge Inc 33899 0 27420
Lightpath Tech Inc 0 0 77152
</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>
Lucent Technologies Common 54946310 4295 57262 X
Lynx Therapeutics Inc Common 55181230 817 25229 X
M R V Communications Common 55347710 111420 1772095 X
M Systems Flsh Dsk Pionr ADR M7061C10 4398 133782 X
M T I Technology Corp Common 55390310 8919 241875 X
MYWEB INC Common 62845110 3335 123524 X
Macromedia Inc. Common 55610010 34031 465381 X
Macrovision Corp Common 55590410 34925 471964 X
Magic Software ADR 55916610 16170 260804 X
Manugistics Group Inc. Common 56501110 840 26000 X
MedImmune Inc. Common 58469910 15134 91239 X
Medarex Inc. Common 58391610 2370 63620 X
Mercury Computer System Common 58937810 927 26486 X
Mercury Interactive Corp Common 58940510 42849 396977 X
Microchip Technology Inc Common 59501710 24303 355113 X
Microtest Common 59494110 1846 205131 X
Mih Ltd Tort Shs A Common G6116R10 11624 197011 X
Millenium Pharmaceutic Common 59990210 28871 236646 X
Monmouth REIT - Cl. A Common 60972010 230 47800 X
Mustang.com Inc. Common 62818810 986 63119 X
Myriad Genetics Common 62855J10 2949 64107 X
N I I Norsat Intl Inc Common 65651210 2052 134532 X
NDS Group PLC -Spons ADR ADR 62889110 305 10000 X
NTL Incorporated Common 62940710 47352 379572 X
NVIDIA Common 67066G10 19495 415333 X
Nabors Industries Inc. Common 62956810 9279 299933 X
Nanogen Inc. Common 63007510 1495 68335 X
Natural Microsystems Cp Common 63888210 33068 706403 X
Netopia Inc Common 64114K10 8394 154545 X
Netoptix Corp Common 64116F10 3735 55957 X
Netrix Corp. Common 64114810 3364 225203 X
Network Appliance Corp Common 64120L10 25961 312547 X
Network Peripherals Inc Common 64121R10 3104 65684 X
Network Solutions Common 64121Q10 19783 90932 X
Newport Corp. Common 65182410 7407 161892 X
Nice Systems Limited - Spons ADR ADR 65365610 27686 562870 X
Nokia Corp Spons ADR ADR 65490220 15796 82673 X
Northeast Optic Network Common 66433410 1154 18441 X
Novadigm Inc. Common 66993710 704 33925 X
Novellus Common 67000810 45021 367423 X
Noven Pharmaceuticals Common 67000910 1008 55637 X
Numerex Corp Common 67053A10 611 49338 X
Obie Media Corp Common 67439110 1700 146251 X
On Technology Corp Common 68219P10 1615 116410 X
Optibase Ltd ADR M7524R10 3599 102094 X
Optimal Robotics Corp Common 68388R20 5729 153787 X
Orbotech Ltd. ADR M7525310 13498 174168 X
Ortel Corp Common 68749W10 19110 159249 X
Oxigene Inc Common 69182810 253 16174 X
P S W Technologies Inc Common 69364J10 610 30587 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>
Lucent Technologies 0 0 57262
Lynx Therapeutics Inc 2250 0 22979
M R V Communications 1111371 0 660724
M Systems Flsh Dsk Pionr 7850 0 125932
M T I Technology Corp 83740 0 158135
MYWEB INC 52353 0 71171
Macromedia Inc. 344618 0 120763
Macrovision Corp 241038 0 230926
Magic Software 122467 0 138337
Manugistics Group Inc. 0 0 26000
MedImmune Inc. 67613 0 23626
Medarex Inc. 28595 0 35025
Mercury Computer System 15354 0 11132
Mercury Interactive Corp 293985 0 102992
Microchip Technology Inc 263471 0 91642
Microtest 11390 0 193741
Mih Ltd Tort Shs A 168143 0 28868
Millenium Pharmaceutic 175520 0 61126
Monmouth REIT - Cl. A 0 0 47800
Mustang.com Inc. 0 0 63119
Myriad Genetics 23814 0 40293
N I I Norsat Intl Inc 12172 0 122360
NDS Group PLC -Spons ADR 10000 0 0
NTL Incorporated 309911 0 69661
NVIDIA 230635 0 184698
Nabors Industries Inc. 222627 0 77306
Nanogen Inc. 6231 0 62104
Natural Microsystems Cp 375068 0 331335
Netopia Inc 85100 0 69445
Netoptix Corp 12375 0 43582
Netrix Corp. 11777 0 213426
Network Appliance Corp 143579 0 168968
Network Peripherals Inc 5565 0 60119
Network Solutions 67423 0 23509
Newport Corp. 38167 0 123725
Nice Systems Limited - Spons ADR 494230 0 68640
Nokia Corp Spons ADR 73642 0 9031
Northeast Optic Network 1458 0 16983
Novadigm Inc. 2482 0 31443
Novellus 272429 0 94994
Noven Pharmaceuticals 19062 0 36575
Numerex Corp 0 0 49338
Obie Media Corp 0 0 146251
On Technology Corp 7040 0 109370
Optibase Ltd 8202 0 93892
Optimal Robotics Corp 41418 0 112369
Orbotech Ltd. 152111 0 22057
Ortel Corp 88043 0 71206
Oxigene Inc 0 0 16174
P S W Technologies Inc 0 0 30587
</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>
PC - Tel Inc. Common 69325Q10 34354 654358X
PC Connection Inc. Common 69318J10 2655 76968X
PE Corp - Celera Genomics Grp Common 69332S20 3719 24962X
PE Corp-PE Biosystems Common 69332S10 33144 275486X
PMC - Sierra Inc. Common 69344F10 25949 161865X
Partner Communications - ADR ADR 70211M10 15406 595404X
Patterson Energy Inc Common 70341410 484 37215X
Pegasus Communications Common 70590410 13260 135653X
Peregrine Systems Inc Common 71366Q10 19064 226446X
Pericom Semiconductor Common 71383110 791 30052X
Petroleo Brasileiro S.A. ADR Pfd ADR 71654V10 7213 281251X
Photon Dynamics Inc Common 71936410 2491 64285X
Portal Software Common 73612610 6696 65084X
Power Integrations Inc Common 73927610 3258 67966X
Powerwave Tech Inc Common 73936310 1130 19353X
Precision Optics Corp./Mass Common 74029410 353 20000X
Precision Response Corp Common 74031410 429 17692X
Primus Knowledge Solutions Common 74163Q10 3761 82995X
Private Bancorp Inc Common 74296210 1467 109662X
Provident American Corp. Common 74383210 3765 106990X
Proxicom Inc. Common 74428210 35071 282118X
Puma Technology Inc Common 74588710 4569 34976X
QLT PhotoTherapeutics Inc. ADR 74692710 39885 678886X
Qlogic Corp Common 74727710 53219 332880X
Qualcomm Inc. Common 74752510 84364 479000X
RF Micro Devices Inc Common 74994110 8253 120596X
Radcom Ltd. ADR M8186510 469 65597X
Radio One Inc. Common 75040P10 24793 269494X
Ramtron Intl Inc Common 75190730 67 10000X
Rare Medium Group Inc Common 75382N10 37371 1095119X
Redback Networks Common 75720910 9974 56192X
Remec Inc Common 75954310 306 12000X
ResourcePhoenix.com Inc Common 76122L10 198 10000X
Robotic Vision Systems Common 77107410 2462 266155X
Rural Cellular Corp Common 78190410 1914 21147X
SCIQUEST.COM INC Common 80908Q10 5637 70910X
SDL Inc. Common 78407610 21897 100445X
SK Telecom Co Ltd-ADR ADR 78440P10 40151 1046277X
Santa Cruz Operation Inc Common 80183310 2302 75773X
Sapient Corporation Common 80306210 61244 434549X
Satyam Infoway Ltd ADR ADR 80409910 64382 415365X
Scient Corp Common 80864H10 8415 97355X
Scientific Learning Corp Common 80876010 940 25749X
Seibel Systems Inc Common 82617010 39384 468862X
Sigma Designs Inc. Common 82656510 903 82051X
Silicon Storage Tech Common 82705710 43323 1050265X
Socket Communications Common 83367210 508 60000X
Sonic Wall Common 83547010 813 20203X
Sound Advice Inc. Common 83606610 267 21775X
Spanish Broadcasting Sys Cl A Common 84642588 8387 208385X
<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>
PC - Tel Inc. 363204 0 291154
PC Connection Inc. 44671 0 32297
PE Corp - Celera Genomics Grp 18506 0 6456
PE Corp-PE Biosystems 204580 0 70906
PMC - Sierra Inc. 119927 0 41938
Partner Communications - ADR 523727 0 71677
Patterson Energy Inc 0 0 37215
Pegasus Communications 75266 0 60387
Peregrine Systems Inc 167879 0 58567
Pericom Semiconductor 0 0 30052
Petroleo Brasileiro S.A. ADR Pfd 269251 0 12000
Photon Dynamics Inc 13474 0 50811
Portal Software 48246 0 16838
Power Integrations Inc 0 0 67966
Powerwave Tech Inc 0 0 19353
Precision Optics Corp./Mass 0 0 20000
Precision Response Corp 0 0 17692
Primus Knowledge Solutions 45004 0 37991
Private Bancorp Inc 0 0 109662
Provident American Corp. 59453 0 47537
Proxicom Inc. 208432 0 73686
Puma Technology Inc 2578 0 32398
QLT PhotoTherapeutics Inc. 503331 0 175555
Qlogic Corp 190135 0 142745
Qualcomm Inc. 354668 0 124332
RF Micro Devices Inc 0 0 120596
Radcom Ltd. 0 0 65597
Radio One Inc. 145229 0 124265
Ramtron Intl Inc 0 0 10000
Rare Medium Group Inc 606748 0 488371
Redback Networks 41355 0 14837
Remec Inc 0 0 12000
ResourcePhoenix.com Inc 0 0 10000
Robotic Vision Systems 77411 0 188744
Rural Cellular Corp 1599 0 19548
SCIQUEST.COM INC 52636 0 18274
SDL Inc. 55087 0 45358
SK Telecom Co Ltd-ADR 925620 0 120657
Santa Cruz Operation Inc 43803 0 31970
Sapient Corporation 322381 0 112168
Satyam Infoway Ltd ADR 334077 0 81288
Scient Corp 70998 0 26357
Scientific Learning Corp 12052 0 13697
Seibel Systems Inc 347668 0 121194
Sigma Designs Inc. 7456 0 74595
Silicon Storage Tech 546105 0 504160
Socket Communications 0 0 60000
Sonic Wall 11244 0 8959
Sound Advice Inc. 0 0 21775
Spanish Broadcasting Sys Cl A 153055 0 55330
</TABLE>
<PAGE> 9
<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>
Spectra-physics Lasers Common 84756810 560 20000X
Spectrian Corp Common 84760810 678 24000X
Spectrum Control Inc. Common 84761510 319 30000X
Strategic Diagnostic Inc Common 86270010 282 42928X
SurModics Inc. Common 86887310 1107 36890X
TERRA NETWORKS SA-SPONS ADR ADR 88100W10 40745 744204X
TSI Intl Software Ltd Common 87287910 12988 229377X
TTI Team Telecom Intl Ltd ADR M8825810 1114 61489X
TV Azteca SA - Spons ADR ADR 90114510 354 39333X
Tegal Corp Common 87900810 221 25000X
Telefonos de Mexico - Sp. ADR L ADR 87940378 38445 341737X
Teletech Holdings Inc Common 87993910 31191 925467X
Telular Corp. Common 87970T20 190 20000X
Teva Pharmaceutical - Sp. ADR ADR 88162420 15902 221828X
Three-Five Systems Inc. Common 88554L10 24981 609294X
Thrunet Co. Ltd. Cl A ADR Y4997510 30276 446053X
Titan Corp. Common 88826610 36150 764063X
Tmp Worldwide Inc Common 87294110 2155 15178X
Topps Company (The) Common 89078610 197 19029X
Triquint Semiconductor Common 89674K10 17328 155758X
U T I Energy Corp Common 90338710 376 16323X
U.S. Wireless Corporation Common 90339C10 378 25000X
Unify Corp Common 90474310 3176 116002X
Usdata Corp Common 91729410 583 42000X
VISX Inc. Common 92844S10 2070 40000X
Valuevision Intl Cl A Common 92047K10 38418 670329X
Vari L Co Inc Common 92215010 3518 102713X
Veeco Instruments Inc Common 92241710 468 10000X
Verisign Inc. Common 92343E10 37653 197199X
Veritas Software Corp Common 92343610 42676 298173X
Versant Object Technology Common 92528410 315 36000X
Vignette Corp Common 92673410 27614 169414X
Vitafort International Corp. Common 92846730 77 100000X
Voicestream Wireless Corp Common 92861510 8897 62519X
Wal-Mart Stores Inc. Common 93114210 6843 99000X
Webhire Inc Common 94768W10 169 10000X
Westwood One Inc. Common 96181510 8548 112480X
Winfield Capital Corp. Common 97385910 863 23000X
Workflow Management Inc. Common 98137N10 1047 36578X
Xicor Inc. Common 98490310 2032 148458X
Zamba Corp Common 98888110 3256 187418X
Zoll Medical Corp. Common 98992210 3159 82719X
Zoran Corp. Common 98975F10 15543 278793X
aremissoft corp Common 04002610 670 20601X
braun consulting Common 10565110 2384 33341X
ditech communications Common 25500M10 32653 349234X
e-Sim Limited ADR M4099010 137 10000X
4039760 58833249
<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>
Spectra-physics Lasers 0 0 20000
Spectrian Corp 0 0 24000
Spectrum Control Inc. 0 0 30000
Strategic Diagnostic Inc 0 0 42928
SurModics Inc. 21427 0 15463
TERRA NETWORKS SA-SPONS ADR 667868 0 76336
TSI Intl Software Ltd 127371 0 102006
TTI Team Telecom Intl Ltd 3949 0 57540
TV Azteca SA - Spons ADR 39333 0 0
Tegal Corp 0 0 25000
Telefonos de Mexico - Sp. ADR L 301908 0 39829
Teletech Holdings Inc 513799 0 411668
Telular Corp. 0 0 20000
Teva Pharmaceutical - Sp. ADR 164651 0 57177
Three-Five Systems Inc. 313920 0 295374
Thrunet Co. Ltd. Cl A 369196 0 76857
Titan Corp. 424191 0 339872
Tmp Worldwide Inc 11251 0 3927
Topps Company (The) 0 0 19029
Triquint Semiconductor 115541 0 40217
U T I Energy Corp 0 0 16323
U.S. Wireless Corporation 0 0 25000
Unify Corp 9817 0 106185
Usdata Corp 0 0 42000
VISX Inc. 0 0 40000
Valuevision Intl Cl A 345505 0 324824
Vari L Co Inc 7969 0 94744
Veeco Instruments Inc 0 0 10000
Verisign Inc. 146220 0 50979
Veritas Software Corp 221346 0 76827
Versant Object Technology 0 0 36000
Vignette Corp 124409 0 45005
Vitafort International Corp. 0 0 100000
Voicestream Wireless Corp 46075 0 16444
Wal-Mart Stores Inc. 0 0 99000
Webhire Inc 0 0 10000
Westwood One Inc. 83500 0 28980
Winfield Capital Corp. 0 0 23000
Workflow Management Inc. 3265 0 33313
Xicor Inc. 11471 0 136987
Zamba Corp 14356 0 173062
Zoll Medical Corp. 30929 0 51790
Zoran Corp. 130427 0 148366
aremissoft corp 0 0 20601
braun consulting 2248 0 31093
ditech communications 180143 0 169091
e-Sim Limited 0 0 10000
34556180 24277069
</TABLE>