13F-HR 1 crmgmtllc13f12-04.txt 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, 2004 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: CastleRock Management, LLC Address: 101 Park Avenue, 23rd Floor New York, NY 10178 Form 13F File Number: 028-5611 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. Persons Signing this Report on Behalf of Reporting Manager: Name: Paul P. Tanico and Ellen H. Adams Title: Managing Members Phone: 212-251-3300 Signature, Place, and Date of Signing: /s/ Paul P. Tanico New York, NY 02/10/05 ------------------------ -------------- -------- [Signature] [City, State] [Date] /s/ Ellen H. Adams New York, NY 02/10/05 ------------------------ -------------- -------- [Signature] [City, State] [Date] 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).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager is reported in this report and a portion is reported by other reporting manager(s).) FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 44 Form 13F Information Table Value Total: 161,738 (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. [If there are no entries in this list, state "NONE" and omit the column headings and list entries.] NONE CASTLEROCK MANAGEMENT, LLC

~~INVESTMENT MANAGER: CASTLEROCK MANAGEMENT, LLC PORTFOLIO OF SECURITIES AS OF JUNE 30, 2004~~ TITLE VALUE SHRS/ SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY NAME OF ISSUER OF CLASS CUSIP (X$1,000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE ~~--------------~~AAMES ~~--------~~INVT ~~-----~~CORP ~~---------~~MD ~~-------~~COM ~~---~~00253G108 ~~----~~3,043 ~~----------~~284,390 ~~--------~~SH ~~----~~SOLE ~~------~~284,390 ~~----~~ ADVANCE AUTO PARTS INC COM 00751Y106 73,~~256~~604 ~~164~~82,~~226~~502 SH SOLE 0182,502 ~~164~~AETNA INC NEW COM 00817Y108 7,~~226~~978 063,950 0SH SOLE 63,950 AMERICAN TOWER CORP CL A 029912201 41,~~058~~957 ~~267~~106,~~000~~378 SH SOLE ~~01 267~~106,~~000~~378 ~~0 0~~ AMERICREDIT CORP COM 03060R101 85,~~654~~186 ~~443~~212,~~118~~101 SH SOLE ~~01 443~~212,~~118~~101 0BANK 0NEW ~~AMR~~YORK ~~CORP~~INC COM ~~001765106~~064057102 ~~3,778~~259 ~~312~~7,~~000~~749 SH SOLE ~~01 312~~7,~~000~~749 0BARRETT 0BILL ~~ANALOG~~CORP ~~DEVICES INC~~ COM ~~032654105~~06846N104 ~~1,850~~883 3927,~~300~~600 SH SOLE ~~01 39~~27,~~300~~600 0CHECKFREE 0CORP ~~APPLIED~~NEW ~~MATERIALS INC~~ COM ~~038222105~~162813109 131,~~359~~246 ~~680~~32,~~872~~730 SH SOLE ~~01 680~~32,~~872~~730 0COMMERCE 0BANCORP ~~BANK OF NEW YORK CO~~ INC NJ COM ~~064057102~~200519106 ~~249~~1,875 829,~~449~~120 SH SOLE ~~01 8~~29,~~449~~120 ~~0 0~~ COMPUTER ~~ASSOCIATES~~ASSOC INTL INC COM 204912109 136,~~718~~423 ~~488~~206,~~884~~785 SH SOLE ~~01 488~~206,~~884~~785 ~~0 0~~ CONSOL ENERGY INC COM 20854P109 94,~~020~~660 ~~250~~113,~~550~~514 SH SOLE ~~01 250~~113,~~550~~514 0CORNING 0INC ~~CROWN CASTLE INTL CORP~~ COM ~~228227104~~219350105 124,~~645~~383 ~~857~~372,~~257~~380 SH SOLE ~~01 857~~372,~~257~~380 0CROWN 0CASTLE ~~CYMER~~INTL ~~INC~~CORP COM ~~232572107~~228227104 156,~~893~~705 ~~424~~402,~~487~~944 SH SOLE ~~01 424~~402,~~487~~944 0CYMER ~~0 D R HORTON~~ INC COM ~~23331A109~~232572107 ~~980~~4,687 34158,~~500~~662 SH SOLE ~~01 34~~158,~~500~~662 ~~0 0~~ EPIX ~~MEDICAL~~PHARMACEUTICALS INC COM 26881Q101 32,~~891~~402 ~~184~~134,~~405~~127 SH SOLE ~~01 184~~134,~~405~~127 ~~0 0~~ EQUINIX INC COM NEW 29444U502 87,~~746~~606 ~~257~~177,~~695~~968 SH SOLE ~~01 257~~177,~~695~~968 ~~0 0~~ FLANDERS CORP COM 338494107 ~~495~~1,430 59148,~~900~~910 SH SOLE ~~01 59~~148,~~900~~910 0GENERAL 0CABLE ~~FRIEDMAN~~CORP ~~BILLINGS~~DEL ~~RAMSEY~~NEW ~~GROUP~~COM CL369300108 ~~A 358434108 2~~1,~~810~~389 ~~142~~100,~~000~~275 SH SOLE 01100,275 ~~142~~GUIDANT CORP COM 401698105 5,~~000~~320 073,780 0SH ~~GILEAD~~SOLE ~~SCIENCES~~73,780 ISOLAGEN INC COM ~~375558103~~46488N103 12,~~869~~713 27344,~~900~~710 SH SOLE ~~01 27~~344,~~900~~710 0KLA-TENCOR ~~0 GUIDANT~~ CORP COM ~~401698105~~482480100 62,~~221~~343 ~~111~~50,~~336~~300 SH SOLE ~~01 111~~50,~~336~~300 0KMG 0AMER ~~ISOLAGEN~~CORP ~~INC~~ COM ~~46488N103~~482563103 51,~~003~~221 ~~486~~111,~~700~~000 SH SOLE ~~01 486~~111,~~700~~000 ~~0 0~~ LAIDLAW INTL INC COM 50730R102 3,~~750~~611 ~~289~~168,~~350~~730 SH SOLE ~~01 289~~168,~~350~~730 ~~0 0~~ MARVEL ENTERPRISES INC COM 57383M108 83,~~208~~133 ~~420~~152,~~514~~970 SH SOLE ~~01 420~~152,~~514~~970 0MEMC 0ELECTR ~~MEASUREMENT~~MATLS ~~SPECIALTIES~~ INC COM ~~583421102~~552715104 110,~~656~~213 76770,~~687~~766 SH SOLE ~~01 76~~770,~~687~~766 0MICHAELS 0STORES ~~MEMC ELECTRONIC MATERIALS~~ INC COM ~~552715104~~594087108 82,~~667~~230 ~~877~~74,~~210~~396 SH SOLE ~~01 877~~74,~~210~~396 0NATIONAL 0SEMICONDUCTOR ~~MGP~~CORP ~~INGREDIENTS INC~~ COM ~~55302G103~~637640103 2,~~677~~209 69123,~~200~~075 SH SOLE ~~01 69~~123,~~200~~075 0NEW 0CENTURY ~~MICHAELS~~FINANCIAL ~~STORES~~CORP ~~INC~~M COM ~~594087108~~6435EV108 48,~~690~~802 85137,~~269~~730 SH SOLE ~~01 85~~137,~~269~~730 0NII 0HLDGS ~~NATIONAL~~INC ~~SEMICONDUCTOR~~CL ~~CORP~~B ~~COM~~NEW ~~637640103~~62913F201 18,~~891~~268 86174,~~000~~244 SH SOLE ~~01 86~~174,~~000~~244 0NITROMED ~~0 NII HOLDINGS~~ INC CLCOM B654798503 ~~NEW 62913F201 10~~6,~~885~~166 ~~323~~231,~~104~~385 SH SOLE ~~01 323~~231,~~104~~385 0PACIFICARE 0HEALTH ~~QUANTA~~SYS ~~CAPITAL~~DEL ~~HOLDINGS~~COM ~~LTD.~~695112102 ~~SHS G7313F106~~ 3,~~078~~571 ~~289~~63,~~800~~180 SH SOLE ~~01 289~~63,~~800~~180 0PEC 0SOLUTIONS ~~RELIANT RESOURCES~~ INC COM ~~75952B105~~705107100 ~~3,888~~931 ~~359~~65,~~000~~700 SH SOLE ~~01 359~~65,~~000~~700 0PREMCOR ~~0 ROWAN COMPANIES~~ INC COM ~~779382100~~74045Q104 2,~~895~~317 ~~119~~54,~~000~~950 SH SOLE ~~01 119~~54,~~000~~950 0QUANTA 0CAPITAL ~~STARWOOD~~HLDGS ~~HOTELS~~LTD &SHS ~~RESORTS~~G7313F106 ~~WRLD~~1,162 ~~PAIRED~~126,060 ~~CTF~~SH ~~85590A203~~SOLE 5126,~~570~~060 ~~124,200~~RELIANT SHENERGY ~~SOLE~~INC 01COM ~~124~~75952B105 3,~~200~~546 0259,790 0SH ~~TAIWAN~~SOLE ~~SEMICONDUCTOR~~259,790 ~~MFG~~RESOURCES ~~LTD~~CONNECTION ~~SPONSORED~~INC ~~ADR~~COM ~~874039100~~76122Q105 2,~~982~~420 ~~358~~44,~~800~~560 SH SOLE ~~01 358~~44,~~800~~560 0ROWAN 0COS ~~TIME WARNER TELECOM~~ INC CLCOM A779382100 ~~887319101 1~~3,~~676~~469 ~~400~~133,~~000~~920 SH SOLE ~~01 400~~133,~~000~~920 0SENOMYX 0INC ~~TYCO INTERNATIONAL LTD NEW~~ COM ~~902124106~~81724Q107 ~~10,373~~565 ~~312~~68,~~997~~230 SH SOLE ~~01 312~~68,~~997~~230 0SPRINT 0CORP ~~UNITEDGLOBALCOM~~COM CLFON A852061100 ~~913247508 3~~2,~~572~~475 ~~491~~99,~~956~~590 SH SOLE ~~01 491~~99,~~956~~590 0STARWOOD 0HOTELS&RESORTS ~~VALEANT~~WRLD ~~PHARMACEUTICALS~~PAIRED ~~INTL~~CTF ~~COM~~85590A203 ~~91911X104 6~~4,~~646~~620 ~~332~~79,~~300~~105 SH SOLE ~~01 332~~79,~~300~~105 0STATION 0CASINOS ~~VIACOM~~ INC CLCOM B857689103 ~~925524308 5~~2,~~358~~890 ~~150~~52,~~000~~860 SH SOLE ~~01 150~~52,~~000~~860 0SYNOPSYS ~~0 VISHAY INTERTECHNOLOGY~~ INC COM ~~928298108~~871607107 ~~3,159~~633 ~~170~~32,~~000~~400 SH SOLE ~~01 170~~32,~~000~~400 0TYCO 0INTL ~~WABASH~~LTD ~~NATIONAL~~NEW ~~CORP~~ COM ~~929566107~~902124106 26,~~623~~570 95183,~~198~~814 SH SOLE ~~01 95~~183,~~198~~814 0VALEANT 0PHARMACEUTICALS ~~WASHINGTON~~INTL ~~MUTUAL INC~~ COM ~~939322103~~91911X104 34,~~594~~625 93175,~~000~~525 SH SOLE ~~01 93~~175,~~000~~525 044 0Total ~~TOTAL RECORDS 40 TOTAL VALUE 218~~161,~~334~~738

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