13F-HR 1 c62439e13f-hr.txt HOLDINGS REPORT 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: March 31, 2001 --------------------- 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, L.L.C. ------------------------------------------------- Address: 25 East Erie Street ------------------------------------------------- Chicago, Illinois 60611 ------------------------------------------------- ------------------------------------------------- Form 13F File Number: 28-06237 ------------ 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. WEISS Chicago, Illinois May 14, 2001 ----------------------- -------------------------------- ------------------ 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).) 2 Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: NOT APPLICABLE ------------------ Form 13F Information Table Entry Total: 174 ------------------ Form 13F Information Table Value Total: $ 113251 ------------------ (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 3

~~Item~~Name of Reporting Manager: Driehaus Capital Management, L.L.C. ("LLC") --------------------------------------------------------------------------------------------------------------------------------- ITEM 6: ITEM 5: ~~Shares~~INVESTMENT ~~Item~~DISCRETION SHARES --------------------------------- ITEM 1: ~~Item~~ITEM 2: ~~Item~~ITEM 3: ~~Item~~ITEM 4: orOR ~~Name~~NAME ofOF ~~Issuer~~ISSUER ~~Title~~TITLE ofOF ~~Class~~CLASS CUSIP ~~Fair~~FAIR ~~Market~~MARKET ~~Principal~~PRINCIPAL ~~Number~~(B) ~~Value~~SHARED ~~Amount~~(C) ~~ASM~~NUMBER ~~Lithography~~VALUE ~~Holding~~AMOUNT NV(A)SOLE ~~ADR~~-AS ~~N0705911~~DEFINED ~~7132~~SHARED ~~316120~~- XIN ~~AdvancePCS~~INSTR. V OTHER --------------------------------------------------------------------------------------------------------------------------------- 1-800-Flowers.com Common ~~00790K10~~68243Q10 ~~18431~~95 ~~405073~~11894 X ~~Advanced~~AMC ~~Digital~~Entertainment ~~Info~~Inc. ~~Corp.~~ Common ~~00752510~~00166910 ~~5956~~473 ~~258974~~66824 X ~~Advanced~~Abercrombie ~~Fibre~~& ~~Communication~~Fitch Co. - Cl. A Common ~~00754A10~~00289620 ~~656~~842 ~~36300~~25738 X ~~Advanced~~Abraxas ~~Power~~Petroleum ~~Technology~~Corp ~~Inc~~(nev) Common ~~00761E10~~00383010 ~~188~~288 ~~14896~~56481 X ~~Aeroflex~~Acres Gaming Inc. Common ~~00776810~~00493610 ~~14140~~204 ~~490481~~32698 X ~~Agrium~~Action Performance Cos. Inc. ~~ADR~~Common ~~00891610~~00493310 ~~8733~~751 ~~597148~~66712 X ~~Airtran~~AdvancePCS ~~Holdings Inc.~~ Common ~~00949P10~~00790K10 ~~2088~~2199 ~~287976~~40530 X ~~Aksys~~Advanta ~~Ltd~~Corp - Cl. B Common ~~01019610~~00794220 ~~252~~463 ~~15296~~33843 X ~~Albany~~Agrium ~~Molecular~~Inc. ~~Research~~ADR ~~Common~~00891610 ~~01242310~~844 ~~17485~~67009 ~~283729~~ X Alliance Gaming Corp. Common 01859P60 ~~1293~~2151 ~~146735~~111002 X ~~Alteon~~Alloy ~~Common~~Online ~~02144G10 47 13649 X Alza Corp~~Inc. Common ~~02261510~~01985510 ~~14328~~277 ~~337123~~31629 X AmSurg Corp. - Cl. A Common 03232P10 ~~390~~259 ~~15986~~13593 X ~~AmeriSource~~Ambac ~~Health~~Financial ~~Corp~~Group ~~- Cl~~Inc. A Common ~~03071P10~~02313910 ~~8097~~1147 ~~160342~~18083 X ~~Ameripath~~American Healthcorp Inc. Common ~~03071D10~~02649V10 ~~4377~~355 ~~175079~~20519 X ~~Amtech~~Anthracite ~~Systems~~Capital Inc. Common ~~03233250~~03702310 ~~410~~417 ~~51188~~43208 X ~~Anaren~~Apogee ~~Microwave~~Enterprises Inc. Common ~~03274410~~03759810 ~~8665~~175 ~~128963~~24606 X ~~Anchor~~Apollo ~~Gaming~~Group ~~Common~~Inc. ~~03303710~~- ~~432 11075 X Apache Corp~~Cl. A Common ~~03741110~~03760410 ~~38621~~666 ~~551230~~20312 X ~~ArQule~~Arch Coal Inc. Common ~~04269E10~~03938010 ~~8438~~1702 ~~263686~~56757 X ~~AstroPower~~Argosy ~~Inc.~~Gaming Company Common ~~04644A10~~04022810 ~~9270~~371 ~~295473~~14227 X ~~Atrix~~Ashworth ~~Labs~~ Inc. Common ~~04962L10~~04516H10 ~~1843~~322 ~~108022~~50065 X ~~Auspex~~Atrix ~~Systems~~Labs Inc. Common ~~05211610~~04962L10 ~~218~~328 ~~31100~~23837 X ~~Avid~~B ~~Technology~~J ~~Inc.~~S ~~Common~~Wholesale ~~05367P10~~Club ~~1365 74714 X Axsys Technologies~~ Inc. Common ~~05461510~~05548J10 ~~456~~1185 ~~16738~~24766 X BE Aerospace Inc. Common 07330210 ~~447~~1801 ~~27915~~98004 X BEBed ~~Semiconductor~~Bath ~~Inds~~& -Beyond NYInc. ~~Shs ADR 07332010 605 66300 X Bank United Corp~~ Common ~~06541210~~07589610 ~~12322~~744 ~~180706~~30308 X ~~Basin~~Beverly ~~Exploration~~Enterprises Inc. Common ~~07010710~~08785130 ~~383~~508 ~~15000~~63469 X ~~Bebe~~Biomet ~~Stores~~ Inc. Common ~~07557110~~09061310 ~~1020~~536 ~~47727~~13612 X ~~Belco~~Block ~~Oil~~H & ~~Gas~~R ~~Corp Common 07741010 170 13672 X Beverly Enterprises~~ Inc. Common ~~08785130~~09367110 ~~1446~~693 ~~176617~~13853 X ~~Biosite~~Borland ~~Diagnostic~~Software ~~Inc~~Corporation Common ~~09094510~~09984910 ~~1518~~489 ~~37538~~70118 X ~~(SEC~~Boron ~~USE~~Lepore ~~ONLY)~~& ~~Item~~Assoc 6:Common ~~Item~~10001P10 8:446 ~~Investment~~37159 ~~Discretion~~X ~~Voting~~Brown ~~Authority~~ (~~Shares~~Tom) ~~(a)~~Inc. ~~sole~~Common ~~(b)~~11566020 ~~Shared~~679 ~~(c)~~20574 ~~Item~~X 7:Buca asInc ~~defined~~Common ~~Shared~~11776910 -211 ~~Managers~~11327 inX ~~Instr.~~CE VFranklin ~~Other See Instr~~Ltd. ~~(a)~~Common ~~Sole~~12515110 ~~(b)~~54 ~~Shared~~15896 ~~(c)~~X ~~None~~Cabot ~~291020~~Microelectronics 0Corp. ~~25100~~Common ~~246010~~12709P10 01216 ~~159063~~27477 156752 0 102222 0 0 36300 694 0 14202 302577 0 187904 364193 0 232955 119202 0 168774 0 0 15296 172324 0 111405 70043 0 76692 0 0 13649 277826 0 59297 0 0 15986 131494 0 28848 54169 0 120910 0 0 51188 82652 0 46311 722 0 10353 453183 0 98047 120915 0 142771 177288 0 118185 51321 0 56701 0 0 31100 44113 0 30601 8192 0 8546 16658 0 11257 66300 0 0 148656 0 32050 9763 0 5237 28525 0 19202 0 0 13672 105547 0 71070 22432 0 15106X

~~Item~~----------------------------------- 5:(SEC ~~Shares~~USE ~~Item~~ONLY) 1:--------------------------------------------------------------------------------------- ~~Item~~ITEM 28: ~~Item~~VOTING 3:AUTHORITY ~~Item~~(SHARES) 4:----------------------------------- orITEM ~~Name~~1: ofNAME ~~Issuer~~OF ~~Title~~ISSUER ofITEM ~~Class~~7: ~~CUSIP~~MANAGERS ~~Fair~~SEE ~~Market Principal Number Value Amount Biovail Corporation ADR 09067J10 31852 820094 X Bisys Group Inc~~INSTR. ~~Common~~V ~~05547210~~(A) ~~28702~~SOLE ~~550639~~(B) XSHARED ~~Bob~~(C) ~~Evans~~NONE ~~Farms~~--------------------------------------------------------------------------------------- Common 09676110 1444 67765 X Bolder Technologies Corp Common 09751910 96 90000 X Boston Communications Gr Common 10058210 2172 77926 X Boston Pvt Finl Hldgs Common 10111910 4104 206494 X Bright Horizons Family Solutions Common 10919510 547 20929 X Brush Wellman Inc1-800-Flowers.com ~~Common~~0 ~~11742110~~0 ~~203~~11894 ~~10071~~AMC XEntertainment ~~Business Objects S. A. Sp ADR ADR 12328X10 4546 80278 X C&D Technologies~~ Inc. ~~Common~~0 ~~12466110~~0 ~~2881~~66824 ~~66703~~Abercrombie ~~X CE Franklin Ltd. Common 12515110 77 15337 X Cabot Oil~~ & ~~Gas~~Fitch ~~Corp~~Co. - Cl. A ~~Common~~0 ~~12709710~~0 ~~1587~~25738 ~~50899~~Abraxas XPetroleum ~~Calpine Corporation Common 13134710 5585 123943 X Capital One Financial~~ Corp. ~~Common~~(nev) ~~14040H10~~0 ~~11742~~0 ~~178421~~56481 XAcres ~~Capstone~~Gaming ~~Turbine Corp Common 14067D10 5345 190904 X CardioDynamics Intl~~Inc. ~~Corp.~~0 ~~Common~~0 ~~14159710~~32698 ~~688~~Action ~~200000~~Performance ~~X Caremark RX Inc Common 14170510 2454 180963 X Carreker Corporation Common 14443310 42303 1217349 X Catapult Communications Corp~~Cos. ~~Common 14901610 6500 388046 X Celestica~~ Inc. ~~ADR~~0 ~~15101Q10~~0 ~~17963~~66712 ~~331110~~AdvancePCS X0 ~~Centex~~0 ~~Corp.~~40530 ~~Common~~Advanta ~~15231210 21059 560627 X Cerner~~ Corp. ~~Common~~- ~~15678210 13588 293800 X Check Point Software Tech~~Cl. ~~ADR~~B ~~M2246510~~0 ~~30654~~0 ~~229507~~33843 XAgrium ~~Chesapeake Energy Corp. Common 16516710 3762 371561 X Chieftain Intl.~~ Inc. ~~ADR~~0 ~~16867C10~~0 ~~1656~~67009 ~~59948~~Alliance XGaming ~~ChoicePoint Inc~~Corp. ~~Common~~0 ~~17038810~~0 ~~8880~~111002 ~~135440~~Alloy XOnline ~~Chronimed~~ Inc. ~~Common~~0 ~~17116410~~0 ~~900~~31629 ~~74214~~AmSurg ~~X Cia Parananese Ener~~Corp. - SpCl. ~~ADR~~A P0 ~~ADR~~0 ~~20441B40~~13593 ~~120~~Ambac ~~14170~~Financial XGroup ~~Ciena Corporation Common 17177910 14176 174473 X Closure Medical Corporation Common 18909310 7025 195137 X Coinstar~~ Inc. ~~Common~~0 ~~19259P30~~0 ~~1990~~18083 ~~130523~~American XHealthcorp ~~Computer Network Tech. Corp. Common 20492510 9704 336787 X Comstock Resources~~ Inc. ~~Common~~0 ~~20576820~~0 ~~782~~20519 ~~52994~~Anthracite XCapital ~~Conceptus~~ Inc. ~~Common~~0 ~~20601610~~0 ~~179~~43208 ~~13670~~Apogee XEnterprises ~~Concord EFS~~ Inc. ~~Common~~0 ~~20619710~~0 ~~38448~~24606 ~~875057~~Apollo XGroup ~~Corinthian Colleges~~ Inc ~~Common 21886810 5061 133397 X Cott Corporation ADR 22163N10 724 95009 X Coventry Health Care Inc~~. ~~Common~~- ~~22286210 16323 611621 X Cree Inc~~Cl. ~~Common~~A ~~22544710~~0 ~~1516~~0 ~~42664~~20312 XArch ~~Cross~~Coal ~~Timbers Oil Co. Common 22757310 26290 947401 X CryoLife~~ Inc. ~~Common~~0 ~~22890310~~0 ~~680~~56757 ~~22486~~Argosy XGaming ~~Cytyc~~Company ~~Corporation~~0 ~~Common~~0 ~~23294610~~14227 ~~18430~~Ashworth ~~294591 X Dave and Busters~~ Inc. Common 23833N10 653 59364 X (SEC USE ONLY) Item 6: Item 8: Investment Discretion Voting Authority (Shares) (a) sole (b) Shared (c) Item 7: as defined Shared - Managers in Instr. V Other See Instr. (a) Sole (b) Shared (c) None 730330 0 ~~89764 452848~~ 0 ~~97791~~50065 ~~40503~~Atrix 0Labs ~~27262~~Inc. 0 0 ~~90000~~23837 ~~29404~~B 0J ~~48522~~S ~~93511~~Wholesale 0Club ~~112983~~Inc ~~1403~~ 0 ~~19526 666~~ 0 ~~9405~~24766 ~~72218~~BE 0Aerospace ~~8060~~Inc. ~~40561~~ 0 ~~26142~~ 0 098004 ~~15337~~Bed ~~3412~~Bath 0& ~~47487~~Beyond ~~101949~~Inc. 0 ~~21994 146761~~ 0 ~~31660~~30308 ~~109407~~Beverly 0Enterprises ~~81497~~Inc. 0 0 ~~200000~~63469 ~~106793~~Biomet 0Inc. ~~74170 585629~~ 0 ~~631720 127734~~ 0 ~~260312~~13612 ~~303270~~Block 0H ~~27840~~& ~~465939~~R 0Inc. ~~94688 166200~~ 0 ~~127600 205181~~ 0 ~~24326~~13853 ~~224298~~Borland 0Software ~~147263~~Corporation ~~4100~~ 0 ~~55848 110914~~ 0 ~~24526~~70118 ~~44349~~Boron 0Lepore ~~29865~~& ~~14170~~Assoc 0 0 ~~143372~~37159 0Brown ~~31101~~(Tom) ~~55246~~Inc. 0 ~~139891 58851~~ 0 ~~71672~~20574 ~~204690~~Buca 0Inc ~~132097~~ 0 0 ~~52994~~11327 0CE 0Franklin ~~13670~~Ltd. ~~720080~~ 0 ~~154977 38228~~ 0 ~~95169~~15896 ~~56789~~Cabot 0Microelectronics ~~38220~~Corp. ~~370228~~ 0 ~~241393~~ 0 ~~0 42664 575286 0 372115 1539 0 20947 212231 0 82360 35475 0 23889~~27477

~~Item~~Name of Reporting Manager: Driehaus Capital Management, L.L.C. ("LLC") -------------------------------------------------------------------------------------------------------------------------------- ITEM 6: ITEM 5: ~~Shares~~INVESTMENT ~~Item~~DISCRETION SHARES --------------------------------- ITEM 1: ~~Item~~ITEM 2: ~~Item~~ITEM 3: ~~Item~~ITEM 4: orOR ~~Name~~NAME ofOF ~~Issuer~~ISSUER ~~Title~~TITLE ofOF ~~Class~~CLASS CUSIP ~~Fair~~FAIR ~~Market~~MARKET ~~Principal~~PRINCIPAL ~~Number~~(B) ~~Value~~SHARED ~~Amount~~(C) ~~Davita~~NUMBER ~~Inc~~VALUE ~~Common~~AMOUNT ~~23918K10~~(A)SOLE ~~2582~~-AS ~~150770~~DEFINED XSHARED ~~Denbury~~- ~~Resources~~IN ~~Inc~~INSTR. V OTHER -------------------------------------------------------------------------------------------------------------------------------- Calpine Corporation Common ~~24791620~~13134710 ~~967~~1075 ~~87882~~19524 X ~~Descartes~~Capstone ~~Systems~~Turbine ~~Group~~Corp ~~Inc.~~Common ~~ADR~~14067D10 ~~24990610~~1054 ~~2149~~37146 ~~89545~~ X ~~Diagnostic~~Career ~~Products~~Education Corp. Common ~~25245010~~14166510 ~~569~~749 ~~10423~~14914 X ~~Dianon~~Carreker ~~Systems~~Corporation ~~Inc.~~ Common ~~25282610~~14443310 ~~1355~~341 ~~30890~~17944 X ~~Digital~~Catapult ~~Power~~Communications Corp. Common ~~25386210~~14901610 ~~139~~772 ~~82340~~30288 X ~~Digitran~~Centex ~~Systems Inc~~Corp. Common ~~25389810~~15231210 3596 ~~373200~~14317 X ~~Direct~~Charter ~~Focus~~Communications Inc. A Common ~~25493110~~16117M10 ~~992~~406 ~~29546~~17925 X ~~Documentum~~Chesapeake ~~Inc~~Energy Corp. Common ~~25615910~~16516710 ~~41809~~1259 ~~841441~~142270 X ~~Dreyer~~Chico's ~~Grand~~FAS ~~Ice Cream~~ Inc. Common ~~26187810~~16861510 ~~2322~~725 ~~72000~~22082 X ~~Eclipsys~~Chronimed ~~Corp~~Inc. Common ~~27885610~~17116410 ~~26350~~1113 ~~1075492~~79871 X ~~Edge~~Circuit ~~Petroleum~~City Carmax Common ~~27986210~~17273730 ~~2801~~472 ~~283672~~62565 X ~~Education~~Coinstar ~~Mgmt~~Inc. ~~Corp~~ Common ~~28139T10~~19259P30 ~~2869~~632 ~~80242~~37748 X ~~Elan~~Concord ~~Corp.~~EFS ~~PLC - Spons~~Inc. ~~ADR~~Common ~~ADR~~20619710 ~~28413120~~469 ~~11317~~11606 ~~241760~~ X ~~Embraer~~Cooper ~~Aircraft~~Companies ~~Corp~~Inc. ~~ADR~~Common ~~29081M10~~21664840 ~~15228~~805 ~~383100~~17000 X ~~Emulex~~Cott ~~Corp.~~Corporation ~~Common~~ADR ~~29247520~~22163N10 ~~17549~~1496 ~~219528~~130835 X ~~Engineered~~Coventry ~~Support~~Health ~~Systems~~Care Inc. Common ~~29286610~~22286210 ~~257~~347 ~~11838~~20959 X ~~Everest~~Cross RETimbers ~~Group~~Oil Co. Common ~~G3223R10~~22757310 ~~59490~~1203 ~~830569~~48603 X ~~Evergreen~~Cytyc ~~Resources~~Corporation ~~Inc.~~ Common ~~29990030~~23294610 ~~1930~~649 ~~49975~~39340 X ~~Express~~DRS ~~Scripts~~Technologies Inc. ~~- Cl. A~~ Common ~~30218210~~23330X10 ~~17304~~403 ~~169237~~25611 X ~~Fidelity~~Daktronics ~~National Finl.~~ Inc. Common ~~31632610~~23426410 ~~41425~~368 ~~1121481~~19622 X ~~Filenet~~Davita ~~Corp.~~Inc Common ~~31686910~~23918K10 ~~18517~~476 ~~679516~~28049 X ~~First~~EDO ~~American Finl.~~ Corp. Common ~~31852230~~28134710 ~~8368~~160 ~~254535~~10645 X ~~First~~ESC ~~Horizon~~Medical ~~Pharmaceutical~~Systems ~~Common~~Inc. ~~32051K10~~ADR ~~3568~~M4086810 ~~116044~~1987 82570 X ~~Flagstar~~Edge ~~Bancorp~~Petroleum ~~Inc~~ Common ~~33793010~~27986210 ~~2448~~90 ~~97900~~10873 X ~~Flextronics~~Efunds ~~Intl~~Corporation ~~Ltd~~Common ~~ADR~~28224R10 ~~Y2573F10~~1416 ~~14527~~73539 ~~509730~~ X ~~Forest~~Electronic ~~Laboratories~~Arts Inc. Common ~~34583810~~28551210 ~~27602~~707 ~~207728~~13024 X ~~Frontier~~Electronics ~~Airlines~~Boutique ~~Inc~~Hldgs Common ~~35906510~~28604510 ~~2435~~280 ~~78707~~11899 X ~~Fundtech~~Electronics ~~Ltd.~~For ~~ADR~~Imaging ~~M4709510~~Common ~~263~~28608210 ~~14700~~521 21149 X ~~Gemstar~~Federated TVDepartment ~~Guide~~Stores ~~Intl~~ Common ~~36866W10~~31410H10 ~~862~~445 ~~18684~~10704 X ~~Genesco~~Fibercore Inc. Common ~~37153210~~31563B10 ~~2573~~122 ~~105298~~24341 X ~~Genzyme~~Fidelity ~~Corp.~~National ~~- Genl~~Finl. ~~Division Common 37291710 15249 169549 X Global Datatel~~ Inc. Common ~~37934G10~~31632610 01848 ~~10000~~69046 X ~~Golden~~First ~~West~~American ~~Financial~~Finl. Corp. 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