13F-HR 1 l18016ae13fvhr.txt OAK ASSOCIATES, LTD. 13F-HR/12-31-05 FORM 13F INFORMATION REQUIRED OF INSTITUTIONAL INVESTMENT MANAGERS PURSUANT TO SECTION 13(f) OF THE SECURITIES EXCHANGE ACT OF 1934 AND RULES THEREUNDER Securities and Exchange Commission Washington, D.C. 20549 Report for the Calendar Year or Quarter Ended December 31, 2005 Name of Institutional Investment Manager: OAK ASSOCIATES, LTD. #28-2338 Business Address: 3875 EMBASSY PARKWAY, #250 AKRON, OHIO 44333 Name, Phone No., and Title of Person Duly Authorized to Submit This Report. JAMES D. OELSCHLAGER, MANAGING MEMBER (330) 668-1234
ATTENTION -- Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). The institutional investment manager submitting this Form and its attachments and the person by whom it is signed represent hereby that all information contained therein is true, correct and complete. It is understood that all required items, statements and schedules are considered integral parts of this Form and that the submission of any amendment represents that all unattended items, statements and schedules remain true, correct and complete as previously submitted. Pursuant to the requirements of Securities Exchange Act of 1934, the undersigned institutional investment manager has caused this report to be signed on its behalf in the City of AKRON and State of OHIO on the 17th day of January 2006 JAMES D. OELSCHLAGER (Manual Signature of Person Duly Authorized to Submit This Report) Name and 13F file numbers of ALL Institutional Investment Managers with respect to which this schedule is filed (other than the one filing this report): (List in alphabetical order). 13F File Numbers will be assigned to Institutional Investment Managers after they file their first report. FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ADOBE SYSTEMS INC. COM 00724F101 7705 208479 SH SOLE 208479 AFFYMETRIX INC COM COM 00826T108 127336 2666719 SH SOLE 2666719 AMAZON COM INC COM 023135106 130219 2761800 SH SOLE 2761800 AMERICAN INT'L. GRP COM 026874107 957 14028 SH SOLE 14028 AMERISOURCEBERGEN CORP COM COM 03073E105 5216 126000 SH SOLE 126000 AMGEN INC COM 031162100 176048 2232408 SH SOLE 2232408 ANHEUSER-BUSCH CO INC COM 035229103 275 6400 SH SOLE 6400 APPLIED BIOSYSTEMS COM 038020103 4972 187200 SH SOLE 187200 APPLIED MATERIALS COM 038222105 160192 8929296 SH SOLE 8929296 AUDIBLE INC COM NEW COM 05069A302 1477 115000 SH SOLE 115000 AVID TECHNOLOGY INC. COM 05367P100 93425 1706077 SH SOLE 1706077 BAKER HUGHES INC COM 057224107 28825 474250 SH SOLE 474250 BLUE NILE INC COM COM 09578R103 4898 121500 SH SOLE 121500 BRISTOL MYERS SQUIBB CO COM 110122108 202 8800 SH SOLE 8800 BRUKER BIOSCIENCES CP COM COM 116794108 394 81100 SH SOLE 81100 CALIPER LIFE SCIENCES COM COM 130872104 864 147000 SH SOLE 147000 CATERPILLAR TRACTOR COM 149123101 140175 2426437 SH SOLE 2426437 CELL GENESYS INC COM COM 150921104 1874 316021 SH SOLE 316021 CERNER CORP. COM 156782104 11968 131650 SH SOLE 131650 CHARLES RIV LABS INTL COM COM 159864107 1678 39600 SH SOLE 39600 CHARLES SCHWAB CORP. COM 808513105 241419 16456667 SH SOLE 16456667 CISCO SYSTEMS COM 17275R102 226046 13203626 SH SOLE 13203626 CITIGROUP INC. COM 172967101 147065 3030401 SH SOLE 3030401 COGENT INC COM COM 19239Y108 2166 95485 SH SOLE 95485 COGNEX CORP COM 192422103 3643 121075 SH SOLE 121075 COGNIZANT TECH SOLUTIONS COM 192446102 115025 2288148 SH SOLE 2288148
Page 1 COLOR KINETICS INC COM 19624P100 1073 74600 SH SOLE 74600 CORCEPT THERAPEUTICS, INC. COM 218352102 869 238208 SH SOLE 238208 CREE INC COM COM 225447101 2272 90000 SH SOLE 90000 DELL INC COM COM 24702R101 17729 591943 SH SOLE 591943 DRS TECHNOLOGIES INC COM COM 23330X100 2314 45000 SH SOLE 45000 DSP GROUP, INC. COM 23332B106 2318 92500 SH SOLE 92500 EBAY INC COM 278642103 214530 4963675 SH SOLE 4963675 ELECTRONIC ARTS INC COM 285512109 150678 2880476 SH SOLE 2880476 ELI LILLY & CO. COM 532457108 3678 65000 SH SOLE 65000 EMC CORP. COM 268648102 7991 586726 SH SOLE 586726 EPIX PHARMACEUTICALS, INC. COM 26881Q101 762 188713 SH SOLE 188713 ERESEARCH TECHNOLOGY INC COM 29481V108 483 32000 SH SOLE 32000 EXPEDITORS INTL. WASH. INC. COM 302130109 385 5700 SH SOLE 5700 EXPRESS SCRIPTS INC. COM 302182100 1307 15600 SH SOLE 15600 F5 NETWORKS INC COM COM 315616102 1716 30000 SH SOLE 30000 FIRST DATA CORP COM 319963104 3223 74931 SH SOLE 74931 FLIR SYSTEMS, INC. COM 302445101 1675 75000 SH SOLE 75000 FORMFACTOR INC COM COM 346375108 3966 162340 SH SOLE 162340 GENENTECH INC NEW COM 368710406 2664 28800 SH SOLE 28800 GIVEN IMAGING ORD SHS COM M52020100 1305 50000 SH SOLE 50000 GOLDMAN SACHS GROUP COM 38141G104 32387 253600 SH SOLE 253600 GOOGLE INC CL A COM 38259P508 140973 339809 SH SOLE 339809 HARMAN INTL INDS INC COM COM 413086109 51073 521954 SH SOLE 521954 HEADWATERS INC COM 42210P102 234 6600 SH SOLE 6600 IAC INTERACTIVECORP COM NEW COM 44919P300 3963 140000 SH SOLE 140000 INTEL CORP COM 458140100 5473 219278 SH SOLE 219278 INTERNATIONAL SECS EXC CL A COM 46031W204 1789 65000 SH SOLE 65000 INTERSIL CORP COM 46069S109 304 12220 SH SOLE 12220 INVITROGEN CORP COM COM 46185R100 5065 76000 SH SOLE 76000 JOHNSON & JOHNSON COM 478160104 3606 60000 SH SOLE 60000 JOY GLOBAL INC COM COM 481165108 341 8525 SH SOLE 8525 JUNIPER NETWORKS COM 48203R104 150907 6767131 SH SOLE 6767131
Page 2 KLA-TENCOR CORP COM COM 482480100 9893 200540 SH SOLE 200540 LINEAR TECHNOLOGY CORP COM 535678106 151347 4195917 SH SOLE 4195917 LOWES COMPANIES COM 548661107 360 5400 SH SOLE 5400 MARCHEX INC CL B COM 56624R108 2361 105000 SH SOLE 105000 MARVELL TECH GROUP LTD ORD COM G5876H105 12397 221015 SH SOLE 221015 MAXIM INTEGRATED PRODUCTS COM 57772K101 113878 3142325 SH SOLE 3142325 MBNA CORP. COM 55262L100 597 21996 SH SOLE 21996 MBOP LIQUIDATING TR TR CTF COM 552629206 0 10022 SH SOLE 10022 MEDICIS PHARMACEUTICAL CORP. C COM 584690309 3654 114000 SH SOLE 114000 MEDIMMUNE INC COM COM 584699102 5253 150000 SH SOLE 150000 MEDTRONIC INC COM 585055106 179968 3126076 SH SOLE 3126076 MICROSOFT COM 594918104 9812 375202 SH SOLE 375202 MORGAN STANLEY COM 617446448 1123 19800 SH SOLE 19800 MYLAN LABORATORIES INC. COM 628530107 220 11000 SH SOLE 11000 NASDAQ 100 INDEX TRACKING COM 631100104 293 7255 SH SOLE 7255 NATIONAL OILWELL VARCO COM COM 637071101 238 3800 SH SOLE 3800 NAVTEQ CORP COM COM 63936L100 8486 193440 SH SOLE 193440 PACKETEER INC COM COM 695210104 909 117000 SH SOLE 117000 PFIZER INC COM 717081103 99302 4258239 SH SOLE 4258239 PIXAR COM COM 725811103 7436 141040 SH SOLE 141040 QUALCOMM INC. COM 747525103 192111 4459411 SH SOLE 4459411 RIGEL PHARMACEUTICALS COM NEW COM 766559603 449 53700 SH SOLE 53700 ROCKWELL AUTOMATION COM COM 773903109 103353 1747011 SH SOLE 1747011 SALESFORCE COM INC COM COM 79466L302 8750 273000 SH SOLE 273000 SCHLUMBERGER LTD. COM 806857108 301 3100 SH SOLE 3100 SPDR TR UNIT SER 1 COM 78462F103 304 2445 SH SOLE 2445 STARBUCK'S COM 855244109 390 13000 SH SOLE 13000 STATE STREET BOSTON CORP COM 857477103 310 5600 SH SOLE 5600 STRYKER CORP COM 863667101 4354 98000 SH SOLE 98000 SVB FINL GROUP COM COM 78486Q101 309 6600 SH SOLE 6600 SYMANTEC CORP COM 871503108 77696 4439757 SH SOLE 4439757
Page 3 SYMBOL TECHNOLOGIES INC. COM 871508107 62137 4846880 SH SOLE 4846880 SYMYX TECHNOLOGIES COM COM 87155S108 2232 81800 SH SOLE 81800 TECHNE CORP COM COM 878377100 5042 89900 SH SOLE 89900 THERMO ELECTRON CORP COM 883556102 274 9100 SH SOLE 9100 TIFFANY AND CO. COM 886547108 5935 155000 SH SOLE 155000 TOLL BROTHERS INC COM COM 889478103 256 7400 SH SOLE 7400 ULTIMATE SOFTWARE GRP COM COM 90385D107 2098 110000 SH SOLE 110000 UNITED PARCEL SERVICE CL B COM 911312106 11835 157491 SH SOLE 157491 UNITEDHEALTH GROUP INC COM COM 91324P102 27168 437200 SH SOLE 437200 VERINT SYS INC COM COM 92343x100 2496 72400 SH SOLE 72400 WATERS CORP COM 941848103 4192 110900 SH SOLE 110900 WATSON PHARMACEUTICALS COM COM 942683103 1528 47000 SH SOLE 47000 XILINX INC. COM 983919101 7401 293592 SH SOLE 293592 XM SATELLITE RADIO HLD CL A COM 983759101 1869 68500 SH SOLE 68500 YAHOO INC COM 984332106 17789 454020 SH SOLE 454020 ZEBRA TECHNOLOGIES CORP COM 989207105 4533 105795 SH SOLE 105795 MIGENIX, INC 59861R971 54 53501 SH SOLE 53501 ADERIS PHARMACEUTICALS, INC 999899925 0 318182 SH SOLE 318182 CTRIP COM INTL LTD ADR ADR 22943F100 1987 34400 SH SOLE 34400 OPEN JT STK CO-VIMPEL SPONSORE ADR 68370R109 283 6400 SH SOLE 6400 SATYAM COMP SRVCS LTD ADR ADR 804098101 238 6500 SH SOLE 6500 TEVA PHARMACEUTCL INDS ADR ADR 881624209 162346 3774600 SH SOLE 3774600
Page 4 FORM 13F SUMMARY PAGE REPORT SUMMARY QUARTER ENDED 12/31/05 Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 111 Form 13F Information Table Value Total: 3,768,665 (thousand)
List of Other Included Mangers: 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 if filed, other than the manager filing this report. No. 0 Form 13F File Number: N/A Name: N/A