13F-HR 1 rorer13f.txt United States Securities and Exchange Commission Washington, DC 20549 Form 13F Form 13F Cover Page Report for the Calendar Year or Quarter Ended: 12/31/08 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: Rorer Asset Management, LLC Address: Eight Tower Bridge 161 Washington St., Suite 1500 Conshohocken, PA 19428 13F File Number: 028-03869 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: Robert D. Leininger Title: Principal, Senior Equity Analyst, COO & CCO Phone: (484)530-4300 I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. Signature, Place and Date of Signing: /s/ Robert D. Leininger ------------------------------------ Robert D. Leininger Conshohocken, PA February 6, 2008 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 are reported in this report and a portion are reported by other reporting manager(s).)

RORER ASSET MANAGEMENT, LLC 13F REPORT AS-OF ~~June~~December 3031, 2008 TITLE VOTING AUTHORITY OF VALUE SH/ PUT/ INVESTMENT SOLE SHARED NONE NAME OF ISSUER CLASS CUSIP (X $1000) SHARES PRN CALL DISCRETION MANAGERS (A) (B) (C) ---------------------------------------------------------------------------------------------------------------------------- ~~AGCO~~---------------------------------------------------------------------------------------------------------------------------- ~~CORP~~AFLAC INC COMMON ~~001084102~~001055102 $~~565~~4,735.5154 10103,~~790~~290 SH DEFINED 01 10103,~~790~~209 024 057 ACTIVISION ~~INC~~BLIZZARD,I ~~NEW~~COMMON CO00507V109 $600.02 68,879 SH DEFINED 01 68,879 0 0 AIRGAS INC COMMON ~~004930202~~009363102 $~~788~~876.2194 23,~~135~~521 SH DEFINED 01 23,~~135~~521 0 0 ALTRIA GROUP INC COM COMMON 02209S103 $14,187.79 933,706 SH DEFINED 01 933,035 201 470 AMPHENOL CORP NEW CL COMMON 032095101 $~~1,527~~964.72 34 38,~~040~~546 SH DEFINED 01 3438,~~040~~546 0 0 ANADARKO PETE CORP COMMON 032511107 $~~598~~308.7240 8,000 SH DEFINED 01 8,000 0 0 APACHE CORP COMMON 037411105 $~~926~~496.5782 6,666 SH DEFINED 01 6,666 0 0 APOLLO GROUP INC CL A COMMON 037604105 $1316,~~222~~746.4688 ~~298~~216,~~741~~866 SH DEFINED 01 ~~298~~216,~~610~~724 7243 5999 APPLE COMPUTER INC COMMON 037833100 $2011,~~457~~463.5532 ~~122~~133,~~177~~634 SH DEFINED 01 ~~122~~133,~~119~~543 3227 2664 APPLIED MATLS INC COMMON 038222105 $156,~~776~~275.1720 ~~826~~623,~~426~~887 SH DEFINED 01 ~~826~~623,~~023~~452 ~~222~~132 ~~181~~303 BANK OF NEW YORK MELL COMMON 064058100 $2514,~~635~~484.6141 ~~677~~515,~~645~~691 SH DEFINED 01 ~~677~~515,~~312~~333 ~~185~~110 ~~148~~248 BAXTER INTL INC COMMON 071813109 $138,~~686~~887.1491 ~~214~~164,~~045~~451 SH DEFINED 01 ~~213~~164,~~943~~342 5734 4575 ~~BUCYRUS~~BLACKROCK ~~INTL~~ INC ~~NEW~~CL A COMMON ~~118759109~~09247X101 $15,~~845~~017.1596 2537,~~269~~406 SH DEFINED 01 2537,~~269~~377 09 020 CBURGER HKING ~~ROBINSON~~HLDGS ~~WORLDWID~~INC COMMON ~~12541W209~~121208201 $~~1,239~~835.3436 2236,~~599~~413 SH DEFINED 01 2236,~~599~~413 0 0 ~~CVS~~C ~~CORP~~H ROBINSON WORLDWID COMMON ~~126650100~~12541W209 $~~24,554~~621.3224 ~~620~~12,~~517~~522 SH DEFINED 01 ~~620~~12,~~212~~522 ~~163~~0 ~~142~~0 ~~CATERPILLAR~~CVS ~~INC~~CORP COMMON ~~149123101~~126650100 $2013,~~591~~640.3940 ~~278~~477,~~932~~414 SH DEFINED 01 ~~278~~477,~~794~~081 7697 62236 ~~CERNER~~CASH ~~CORP~~AMER ~~COM~~INVTS INC COMMON ~~156782104~~14754D100 $~~1,122~~691.9930 2431,~~856~~457 SH DEFINED 01 2431,~~856~~457 0 0 ~~CHEVRON~~CENTEX ~~CORPORATION~~CORP COM COMMON ~~166764100~~152312104 $~~16,282~~393.6423 ~~164~~43,~~253~~296 SH DEFINED 01 ~~164~~43,~~172~~296 440 370 ~~CISCO~~CERNER ~~SYS~~CORP ~~INC~~COM COMMON ~~17275R102~~156782104 $~~21,122~~726.0245 ~~908~~20,~~087~~378 SH DEFINED 01 ~~907~~20,~~638~~378 ~~249~~0 ~~200~~0 ~~CITRIX~~CHATTEM ~~SYS~~ INC COM COMMON ~~177376100~~162456107 $~~441~~931.5999 1513,~~015~~469 SH DEFINED 01 1513,~~015~~469 0 0 ~~CLEVELAND~~CHEVRON ~~CLIFFS~~CORPORATION ~~INC~~ COMMON ~~185896107~~166764100 $113,~~516~~522.4611 12183,~~723~~614 SH DEFINED 01 12183,~~723~~488 038 088 ~~COGNIZANT~~CISCO ~~TECHNLGY~~SYS SLINC COMMON ~~192446102~~17275R102 $2711,~~753~~161.4509 ~~853~~690,~~672~~020 SH DEFINED 01 ~~853~~689,~~273~~539 ~~219~~148 ~~180~~333 ~~CONAGRA~~CITRIX SYS INC COM COMMON ~~205887102~~177376100 $~~14,818~~639.5361 ~~768~~28,~~586~~985 SH DEFINED 01 ~~768~~28,~~205~~985 ~~209~~0 ~~172~~0 ~~CONSOL~~COMCAST ~~ENERGY~~CORP ~~INC~~NEW COM COMMON ~~20854P109~~20030N101 $110,~~151~~573.3560 10634,~~246~~559 SH DEFINED 01 10634,~~246~~119 0131 0309 ~~CORNING~~CONAGRA INC COMMON ~~219350105~~205887102 $1012,~~399~~997.2371 ~~451~~785,~~155~~075 SH DEFINED 01 ~~450~~784,~~939~~524 ~~118~~165 98386 ~~CYPRESS~~CORNING ~~SEMICONDUCTOR~~INC COMMON ~~232806109~~219350105 $~~1,668~~138.0822 6714,~~397~~504 SH DEFINED 01 6714,~~397~~504 0 0 ~~DANAHER~~CYPRESS ~~CORP~~SEMICONDUCTOR ~~SHS BEN~~ COMMON ~~235851102~~232806109 $~~31,036~~205.1893 ~~401~~46,~~508~~070 SH DEFINED 01 ~~401~~46,~~312~~070 ~~109~~0 870 ~~DEVON~~DANAHER ~~ENERGY~~ CORP ~~NEW~~SHS BEN COMMON ~~25179M103~~235851102 $149,~~658~~601.3589 ~~121~~169,~~998~~812 SH DEFINED 01 ~~121~~169,~~939~~696 3235 2781 ~~WALT~~DARDEN ~~DISNEY~~RESTAURANTS ~~CO.~~IN COMMON ~~254687106~~237194105 $~~231~~487.0427 718,~~405~~050 SH DEFINED 01 718,~~405~~050 0 0 ~~DRESSER-RAND~~DEVON ~~GROUP~~ENERGY INCORP NEW COMMON ~~261608103~~25179M103 $19,~~734~~925.4859 44151,~~360~~933 SH DEFINED 01 44151,~~360~~827 032 074 ~~DRIL-QUIP~~WALT ~~INC~~DISNEY ~~COM~~CO. COMMON ~~262037104~~254687106 $~~1,437~~224.47 229,~~817~~893 SH DEFINED 01 229,~~817~~893 0 0 EDISCOVERY MCOMMUNICATN ~~C CORP MASS~~ COMMON ~~268648102~~25470F104 $~~18,742~~356.8533 124,~~275,909~~821 SH DEFINED 01 124,~~275,286~~821 ~~347~~0 ~~276~~0 ~~EATON~~DRESSER-RAND ~~CORP~~GROUP ~~COM~~IN COMMON ~~278058102~~261608103 $~~16,114~~706.4080 ~~189~~38,~~652~~454 SH DEFINED 01 ~~189~~38,~~558~~454 510 430 ~~EBAY~~EXPEDITORS ~~INC~~INTL ~~COM~~WASH COMMON ~~278642103~~302130109 $158,~~768~~459.8658 ~~577~~261,~~004~~312 SH DEFINED 01 ~~576~~261,~~721~~088 ~~158~~67 ~~125~~157 ~~ELECTRONIC ARTS COM COMMON 285512109 $15,473.62 348,268 SH DEFINED 01 348,098 93 77~~ EXPRESS SCRIPTS INC C COMMON 302182100 $128,~~493~~712.9742 ~~199~~158,~~193~~925 SH DEFINED 01 ~~199~~158,~~106~~830 4728 4067 FISERV INC COMMON 337738108 $2213,~~773~~685.5658 ~~501~~382,~~960~~250 SH DEFINED 01 ~~501~~381,~~726~~999 ~~130~~77 ~~104~~174 ~~FREEPORT MCMORAN COPP COMMON 35671D857 $18,616.35 158,856 SH DEFINED 01 158,778 42 36~~ GEO GROUP INC COM COMMON 36159R103 $~~853~~858.8114 3753,~~947~~291 SH DEFINED 01 3753,~~947~~291 0 0 GAMESTOP CORP CLASS A COMMON 36467W109 $~~1,406~~671.7721 3428,~~821~~610 SH DEFINED 01 3428,~~821~~610 0 0 G A P INC COMMON 364760108 $159,~~611~~347.8462 ~~936~~708,~~571~~563 SH DEFINED 01 ~~936~~708,~~108~~064 ~~255~~152 ~~208~~347 ~~GOLDMAN~~GENERAL ~~SACHS~~ELEC ~~GROUP~~CO I COMMON ~~38141G104~~369604103 $1411,~~653~~985.0948 83756,~~781~~648 SH DEFINED 01 83756,~~742~~119 22158 17371 ~~HALLIBURTON~~GENZYME ~~COMPANY~~CORP COM COMMON ~~406216101~~372917104 $2711,~~241~~193.5188 ~~513~~168,~~306~~069 SH DEFINED 01 ~~513~~167,~~053~~955 ~~138~~34 ~~115~~80 ~~HARLEY~~HALLIBURTON ~~DAVIDSON~~COMPANY ~~INC~~ COMMON ~~412822108~~406216101 $611,~~147~~257.0951 ~~169~~621,~~526~~883 SH DEFINED 01 ~~169~~621,~~443~~453 45128 38302 ~~HEALTHWAYS~~HOLOGIC INC ~~COM~~ COMMON ~~422245100~~436440101 $~~1,229~~134.5522 4110,~~539~~269 SH DEFINED 01 4110,~~539~~269 0 0 ~~ILLINOIS~~HUMANA ~~TOOL~~INC ~~WORKS I~~ COMMON ~~452308109~~444859102 $~~26,649~~821.0614 ~~560~~21,~~922~~858 SH DEFINED 01 ~~560~~21,~~642~~858 ~~155 125 ION GEOPHYSICAL CORP COMMON 462044108 $1,223.05 70,089 SH DEFINED 01 70,089~~ 0 0 J.P. MORGAN CHASE & C COMMON 46625H100 $1417,~~535~~341.7959 ~~423~~559,~~662~~380 SH DEFINED 01 ~~423~~558,~~448~~986 117 97277 ~~JANUS CAP GROUP INC COMMON 47102X105 $1,610.28 60,834 SH DEFINED 01 60,834 0 0~~ JOHNSON & JOHNSON COMMON 478160104 $2316,~~892~~805.~~46 371,342 SH DEFINED 01 371,155 103 84 JOY GLOBAL INC COM COMMON 481165108 $21,625.~~37 ~~285~~281,~~183~~826 SH DEFINED 01 ~~285~~281,~~044~~626 7661 63139 ~~KAYDON CORP COMMON 486587108 $1,664.36 32,374 SH DEFINED 01 32,374 0 0~~ L-3 COMMUNICATIONS COMMON 502424104 $~~256~~279.9811 23,~~828~~783 SH DEFINED 01 23,~~828~~783 0 0 ~~LAM RESEARCH CORP COM COMMON 512807108 $1,310.98 36,265 SH DEFINED 01 36,265 0 0~~ LAUDER ESTEE COS INC COMMON 518439104 $94,~~596~~710.9840 ~~206~~154,~~621~~371 SH DEFINED 01 ~~206~~154,~~519~~262 5633 4676 ~~LEGG~~LINEAR ~~MASON~~TECHNOLOGY ~~INC~~COR ~~COM~~ COMMON ~~524901105~~535678106 $197,~~309~~439.1663 ~~443~~333,~~181~~810 SH DEFINED 01 ~~442~~333,~~960~~592 ~~121~~66 ~~100~~152 ~~LINCOLN~~LOWES ~~NATL~~CO ~~CORP IND~~ COMMON ~~534187109~~548661107 $911,~~022~~883.6385 ~~199~~559,~~083~~785 SH DEFINED 01 ~~198~~559,~~985~~407 54112 44266 ~~LINEAR~~MSC ~~TECHNOLOGY~~INDL ~~COR~~DIRECT ~~COMMON~~INC ~~535678106~~C ~~$14,603.64 448,388 SH DEFINED 01 448,186 111 91 LOWES CO~~ COMMON ~~548661107~~553530106 $101,~~205~~085.8925 ~~491~~30,~~854~~465 SH DEFINED 01 ~~491~~30,~~612~~465 ~~133~~0 ~~109~~0 ~~MSC~~MCCORMICK ~~INDL~~& ~~DIRECT~~CO INC CNO COMMON ~~553530106~~579780206 $~~1,510~~782.6902 3424,~~248~~463 SH DEFINED 01 3424,~~248~~463 0 0 ~~MANPOWER~~MERCK & CO INC COMMON ~~56418H100~~589331107 $15,~~045~~282.4802 17174,~~951~~737 SH DEFINED 01 17174,~~951~~613 037 087 ~~MCCORMICK~~NEW &YORK COCMNTY ~~INC~~BANCOR NO COMMON ~~579780206~~649445103 $~~1,066~~837.3970 2965,~~904~~825 SH DEFINED 01 2965,~~904~~825 0 0 ~~MORGAN~~OCCIDENTAL ~~STANLEY~~PETE CORP COMMON ~~617446448~~674599105 $105,~~200~~825.1964 ~~282~~97,~~778~~917 SH DEFINED 01 ~~282~~97,~~641~~850 7620 6147 ~~NEW~~ORACLE ~~YORK~~SYS ~~CMNTY~~CORP ~~BANCOR~~COM COMMON ~~649445103~~68389X105 $19,~~074~~969.9254 60566,~~253~~013 SH DEFINED 01 60565,~~253~~631 0115 0267 ~~NEWFIELD~~OPTIONSXPRESS ~~EXPL~~HLDGS COI COMMON ~~651290108~~684010101 $~~1,197~~626.1443 1851,347 SH DEFINED 01 1851,347 0 0 ~~OPTIONSXPRESS~~PAYCHEX ~~HLDGS~~INC ICOM COMMON ~~684010101~~704326107 $17,~~288~~448.9979 57286,~~699~~475 SH DEFINED 01 57286,~~699~~290 055 0130 ~~PARKER~~PEOPLES ~~HANNIFIN~~UNITED ~~CORP~~FINANC COMMON ~~701094104~~712704105 $~~1,681~~639.9527 2337,~~583~~636 SH DEFINED 01 2337,~~583~~636 0 0 PHARMACEUTICAL PROD D COMMON 717124101 $~~1,480~~541.8359 3418,~~518~~669 SH DEFINED 01 3418,~~518~~669 0 0 PROASSURANCE CORP COM COMMON 74267C106 $~~1,216~~732.3233 2514,~~282~~789 SH DEFINED 01 2514,~~282~~789 0 0 PSYCHIATRIC SOLUTIONS COMMON 74439H108 $1,~~787~~180.2649 4743,~~232~~760 SH DEFINED 01 4743,~~232~~760 0 0 QUEST DIAGNOSTICS INC COMMON 74834L100 $239,~~043~~130.7452 ~~475~~176,~~429~~708 SH DEFINED 01 ~~475~~176,~~192~~585 ~~131~~37 ~~106~~86 ~~RELIANCE~~ST ~~STL~~JUDE &MEDICAL ~~ALUM~~INC C COMMON ~~759509102~~790849103 $111,~~696~~472.9946 22344,~~013~~320 SH DEFINED 01 22344,~~013~~090 069 0161 ~~SEI~~SCHEIN ~~CORP~~HENRY INC COM COMMON ~~784117103~~806407102 $~~1,021~~759.5590 4320,~~433~~468 SH DEFINED 01 4320,~~433~~468 0 0 STSTATE ~~JUDE~~STR ~~MEDICAL~~CORP ~~INC~~COM COMMON ~~790849103~~857477103 $1712,~~929~~710.8864 ~~438~~327,~~599~~981 SH DEFINED 01 ~~438~~327,~~386~~746 ~~116~~70 97165 ~~SYNAPTICS~~SYSCO ~~INC~~CORPORATION ~~COM~~ COMMON ~~87157D109~~871829107 $14,~~765~~500.1298 46197,~~783~~059 SH DEFINED 01 46196,~~783~~936 037 086 TD AMERITRADE HLDG CO COMMON 87236Y108 $1912,~~502~~219.9216 1881,~~078,137~~066 SH DEFINED 01 1880,~~077,646~~508 ~~271~~166 ~~220~~392 TARGET CORP COMMON 87612E106 $158,~~222~~813.5101 ~~327~~257,~~420~~573 SH DEFINED 01 ~~327~~257,~~260~~392 9154 69127 ~~TEREX~~TETRA ~~CORP~~TECH INC NEW ~~COM~~CO COMMON ~~880779103~~88162G103 $~~15,009~~560.9232 ~~292~~23,~~187~~744 SH DEFINED 01 ~~292~~23,~~053~~744 740 600 THERMO FISHER SCIENTI COMMON 883556102 $1712,~~924~~215.2526 ~~321~~356,~~617~~783 SH DEFINED 01 ~~321~~356,~~456~~535 9074 71174 ~~TIFFANY & CO NEW COM COMMON 886547108 $860.69 21,121 SH DEFINED 01 21,121 0 0~~ TIME WARNER COMMON 887317105 $2312,~~640~~169.~~09 1~~931,~~597~~218,~~358~~121 SH DEFINED 01 1,~~596~~217,~~555~~250 ~~440~~261 ~~363~~610 ~~VALERO~~VULCAN ~~ENERGY~~MATLS ~~CORP~~ CO COM COMMON ~~91913Y100~~929160109 $~~12,642~~534.~~62 307,023 SH DEFINED 01 306,872~~ 84 ~~67 WAL MART STORES INC COMMON 931142103 $28~~9,~~084.62~~502 ~~499,728~~ SH DEFINED 01 ~~499~~9,~~473~~502 ~~140 115 WYETH COMMON 983024100 $223.73 4,665 SH DEFINED 01 4,665~~ 0 0 ~~ZIMMER~~WACHOVIA ~~HLDGS~~GROUP ~~INC~~COM COMMON ~~98956P102~~929903102 $~~14,657~~370.7454 ~~215~~66,~~390~~884 SH DEFINED 01 ~~215~~66,~~283~~884 590 480 ~~FOSTER~~WAL ~~WHEELER~~MART ~~LTD~~STORES SHINC COMMON ~~G36535139~~931142103 $159,~~419~~939.7073 ~~210~~180,~~797~~087 SH DEFINED 01 ~~210~~179,~~700~~957 5339 4491 ~~NABORS~~WELLS ~~INDUSTRIES~~FARGO ~~LTD~~NEW COMMON ~~G6359F103~~949746101 $3412,~~554~~714.9172 ~~701~~431,~~916~~293 SH DEFINED 01 ~~701~~430,~~592~~971 ~~178~~96 ~~146~~226 ~~TRANSOCEAN~~WYETH ~~INC COM NE~~ COMMON ~~G90073100~~983024100 $~~22,040~~232.5419 ~~144~~6,~~632~~190 SH DEFINED 01 ~~144~~6,~~561~~190 390 320 ~~TYCO~~ZIMMER ~~INTERNATIONAL~~HLDGS LTINC COMMON ~~G9143X208~~98956P102 $226,~~014~~813.0185 ~~549~~170,~~780~~501 SH DEFINED 01 ~~549~~170,~~503~~387 ~~152~~35 ~~125~~79 -------------------- ------------------------ -------------------- ------------------------ TOTALS: $~~940~~459,~~228~~121.299 2317,~~673~~450,~~842~~291 2317,~~662~~438,~~881~~888 63,~~035~~424 47,~~926~~979 ==================== ======================== ==================== ========================

FORM 13F SUMMARY PAGE Number of Other Included Managers: 2 Form 13F Information Table Entry Total: 78 Form 13F Information Table Value Total: $459,122 List of Other Included Managers: Provide a numbered list of the name(s) and 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. No. 13F File Number Name ------------------- ---- 1 28-3326 Managers Investment Group LLC 2 28-04975 Affiliated Managers Group, Inc.

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