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: 3/31/09 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 May 1, 2009 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~~MANAGERS ~~ASSET~~INVESTMENT ~~MANAGEMENT~~GROUP, LLC 13F REPORT AS-OF ~~December~~March 31, ~~2008~~2009 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) ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ~~AFLAC~~ACTIVISION BLIZZARD,I COMMON 00507V109 $614.21 58,720 SH DEFINED 01 58,720 0 0 ADOBE SYSTEMS INC COMMON ~~001055102~~00724F101 $43,~~735~~085.5434 ~~103~~144,~~290~~242 SH DEFINED 01 ~~103~~143,~~209~~358 24315 57569 ~~ACTIVISION~~AIRGAS ~~BLIZZARD,I~~INC COMMON ~~00507V109~~009363102 $~~600~~702.0281 6820,~~879~~787 SH DEFINED 01 6820,~~879~~787 0 0 ~~AIRGAS~~ALTERA ~~INC~~CORP COM COMMON ~~009363102~~021441100 $~~876~~331.94 2318,~~521~~914 SH DEFINED 01 2318,~~521~~914 0 0 ALTRIA GROUP INC COM COMMON 02209S103 $1412,~~187~~576.7906 ~~933~~785,~~706~~032 SH DEFINED 01 ~~933~~780,~~035~~950 ~~201~~1,477 ~~470~~2,605 AMPHENOL CORP NEW CL COMMON 032095101 $~~964~~969.3486 3834,~~546~~042 SH DEFINED 01 3834,~~546~~042 0 0 ANADARKO PETE CORP COMMON 032511107 $~~308~~311.4012 8,000 SH DEFINED 01 8,000 0 0 APACHE CORP COMMON 037411105 $~~496~~427.8222 6,666 SH DEFINED 01 6,666 0 0 APOLLO GROUP INC CL A COMMON 037604105 $1613,~~746~~975.8853 ~~216~~178,~~866~~422 SH DEFINED 01 ~~216~~177,~~724~~547 43316 99559 APPLE COMPUTER INC COMMON 037833100 $11,~~463~~799.3203 ~~133~~112,~~634~~251 SH DEFINED 01 ~~133~~111,~~543~~690 27202 64359 APPLIED MATLS INC COMMON 038222105 $65,~~275~~642.2077 ~~623~~524,~~887~~895 SH DEFINED 01 ~~623~~522,~~452~~196 ~~132~~971 ~~303~~1,728 ASSURANT INC COM COMMON 04621X108 $616.22 28,293 SH DEFINED 01 28,293 0 0 BANK OF NEW YORK MELL COMMON 064058100 $1412,~~484~~290.4119 ~~515~~435,~~691~~047 SH DEFINED 01 ~~515~~432,~~333~~798 ~~110~~814 ~~248~~1,435 BAXTER INTL INC COMMON 071813109 $86,~~887~~783.9178 ~~164~~132,~~451~~426 SH DEFINED 01 ~~164~~131,~~342~~745 34247 75434 BLACKROCK INC CL A COMMON 09247X101 $54,~~017~~523.9609 3734,~~406~~786 SH DEFINED 01 3734,~~377~~606 965 20115 ~~BURGER~~BROADCOM ~~KING~~CORP ~~HLDGS~~COM ~~INC~~ COMMON ~~121208201~~111320107 $~~835~~4,694.3673 36234,~~413~~945 SH DEFINED 01 36233,~~413~~768 0419 0758 CBURGER HKING ~~ROBINSON~~HLDGS ~~WORLDWID~~INC COMMON ~~12541W209~~121208201 $~~621~~717.2458 1231,~~522~~267 SH DEFINED 01 1231,~~522~~267 0 0 ~~CVS~~C ~~CORP~~H ~~COMMON~~ROBINSON ~~126650100~~WORLDWID ~~$13,640.40 477,414 SH DEFINED 01 477,081 97 236 CASH AMER INVTS INC~~ COMMON ~~14754D100~~12541W209 $~~691~~487.3053 3110,~~457~~689 SH DEFINED 01 3110,~~457~~689 0 0 ~~CENTEX~~CVS CORP ~~COM~~ COMMON ~~152312104~~126650100 $~~393~~10,976.2334 43399,~~296~~292 SH DEFINED 01 43397,~~296~~242 0741 01,309 CERNER CORP COM COMMON 156782104 $~~726~~432.4518 209,~~378~~829 SH DEFINED 01 209,~~378~~829 0 0 CHATTEM INC COM COMMON 162456107 $~~931~~644.9969 1311,~~469~~502 SH DEFINED 01 1311,~~469~~502 0 0 CHEVRON CORPORATION COMMON 166764100 $1310,~~522~~398.1179 ~~183~~154,~~614~~659 SH DEFINED 01 ~~183~~153,~~488~~857 38286 88516 CISCO SYS INC COMMON 17275R102 $119,~~161~~725.0956 ~~690~~579,~~020~~924 SH DEFINED 01 ~~689~~576,~~539~~931 ~~148~~1,082 ~~333~~1,911 CITRIX SYS INC COM COMMON 177376100 $~~639~~561.6136 2824,~~985~~795 SH DEFINED 01 2824,~~985~~795 0 0 COMCAST CORP NEW COM COMMON 20030N101 $107,~~573~~261.6027 ~~634~~532,~~559~~367 SH DEFINED 01 ~~634~~529,~~119~~563 ~~131~~1,002 ~~309~~1,802 CONAGRA INC COMMON 205887102 $1211,~~997~~135.7173 ~~785~~660,~~075~~109 SH DEFINED 01 ~~784~~656,~~524~~708 ~~165~~1,224 ~~386~~2,177 CORNING INC COMMON 219350105 $~~138~~188.2273 14,~~504~~222 SH DEFINED 01 14,~~504~~222 0 0 ~~CYPRESS SEMICONDUCTOR COMMON 232806109 $205.93 46,070 SH DEFINED 01 46,070 0 0~~ DANAHER CORP SHS BEN COMMON 235851102 $97,~~601~~821.8915 ~~169~~144,~~812~~246 SH DEFINED 01 ~~169~~143,~~696~~526 35258 81462 DARDEN RESTAURANTS IN COMMON 237194105 $~~487~~526.2771 1815,~~050~~374 SH DEFINED 01 1815,~~050~~374 0 0 DEVON ENERGY CORP NEW COMMON 25179M103 $98,~~925~~605.5931 ~~151~~192,~~933~~544 SH DEFINED 01 ~~151~~191,~~827~~569 32348 74627 ~~WALT~~DISCOVERY ~~DISNEY~~COMMUNICATN ~~CO.~~ COMMON ~~254687106~~25470F104 $~~224~~667.4773 941,~~893~~681 SH DEFINED 01 941,~~893~~681 0 0 ~~DISCOVERY~~DOLBY ~~COMMUNICATN~~LABORATORIES IN COMMON ~~25470F104~~25659T107 $~~356~~320.3387 249,~~821~~407 SH DEFINED 01 249,~~821~~407 0 0 ~~DRESSER-RAND~~EXPEDITORS ~~GROUP~~INTL INWASH COMMON ~~261608103~~302130109 $~~706~~8,565.8087 38302,~~454~~787 SH DEFINED 01 38301,~~454~~437 0485 0865 ~~EXPEDITORS~~EXPRESS ~~INTL~~SCRIPTS ~~WASH~~INC C COMMON ~~302130109~~302182100 $86,~~459~~171.5809 ~~261~~133,~~312~~657 SH DEFINED 01 ~~261~~133,~~088~~075 67210 ~~157~~372 ~~EXPRESS~~FISERV ~~SCRIPTS~~ INC C COMMON ~~302182100~~337738108 $811,~~712~~526.4282 ~~158~~316,~~925~~163 SH DEFINED 01 ~~158~~314,~~830~~610 28562 67991 ~~FISERV~~FREEPORT ~~INC~~MCMORAN COPP COMMON ~~337738108~~35671D857 $~~13,685~~206.5867 ~~382~~5,~~250~~423 SH DEFINED 01 ~~381~~5,~~999~~423 770 ~~174~~0 GEO GROUP INC COM COMMON 36159R103 $~~858~~602.1486 5345,~~291~~499 SH DEFINED 01 5345,~~291~~499 0 0 GAMESTOP CORP CLASS A COMMON 36467W109 $~~671~~905.2149 2832,~~610~~316 SH DEFINED 01 2832,~~610~~316 0 0 G A P INC COMMON 364760108 $97,~~347~~751.6278 ~~708~~596,~~563~~741 SH DEFINED 01 ~~708~~593,~~064~~657 ~~152~~1,114 ~~347~~1,970 GENERAL ELEC CO COMMON 369604103 $~~11,985~~125.4854 ~~756~~12,~~648~~417 SH DEFINED 01 ~~756~~12,~~119~~417 ~~158~~0 ~~371~~0 ~~GENZYME~~HALLIBURTON ~~CORP~~COMPANY ~~COM~~ COMMON ~~372917104~~406216101 $118,~~193~~112.8851 ~~168~~524,~~069~~396 SH DEFINED 01 ~~167~~522,~~955~~016 34852 801,528 ~~HALLIBURTON~~HOLOGIC ~~COMPANY~~INC COMMON ~~406216101~~436440101 $11131.79 10,~~257~~068 SH DEFINED 01 10,068 0 0 HUDSON CITY BANCORP C COMMON 443683107 $3,918.5195 ~~621~~335,~~883~~170 SH DEFINED 01 ~~621~~333,~~453~~706 ~~128~~521 ~~302~~943 ~~HOLOGIC~~HUMANA INC COMMON ~~436440101~~444859102 $~~134~~704.2219 1027,~~269~~001 SH DEFINED 01 1027,~~269~~001 0 0 ~~HUMANA~~HURON ~~INC~~CONSULTING GROU COMMON ~~444859102~~447462102 $~~821~~482.1447 2111,~~858~~371 SH DEFINED 01 2111,~~858~~371 0 0 ITT EDUCATIONAL SVCS COMMON 45068B109 $453.99 3,739 SH DEFINED 01 3,739 0 0 J.P. MORGAN CHASE & C COMMON 46625H100 $1712,~~341~~866.5952 ~~559~~484,~~380~~073 SH DEFINED 01 ~~558~~481,~~986~~820 ~~117~~804 ~~277~~1,449 JOHNSON & JOHNSON COMMON 478160104 $169,~~805~~023.3718 ~~281~~171,~~826~~537 SH DEFINED 01 ~~281~~170,~~626~~663 61312 ~~139~~562 L-3 COMMUNICATIONS COMMON 502424104 $~~279~~251.1127 3,~~783~~706 SH DEFINED 01 3,~~783~~706 0 0 LAUDER ESTEE COS INC COMMON 518439104 $43,~~710~~179.4058 ~~154~~128,~~371~~965 SH DEFINED 01 ~~154~~128,~~262~~291 33242 76432 LINEAR TECHNOLOGY COR COMMON 535678106 $79,~~439~~447.6379 ~~333~~411,~~810~~107 SH DEFINED 01 ~~333~~409,~~592~~117 66709 ~~152~~1,281 LOWES CO COMMON 548661107 $118,~~883~~633.8594 ~~559~~473,~~785~~099 SH DEFINED 01 ~~559~~470,~~407~~814 ~~112~~819 ~~266~~1,466 MSC INDL DIRECT INC C COMMON 553530106 $1834.42 26,~~085~~856 SH DEFINED 01 26,856 0 0 MARVEL ENTERTAINMENT COMMON 57383T103 $276.2544 3010,~~465~~412 SH DEFINED 01 3010,~~465~~412 0 0 MCCORMICK & CO INC NO COMMON 579780206 $~~782~~399.0211 2413,~~463~~497 SH DEFINED 01 2413,~~463~~497 0 0 MERCK & CO INC COMMON 589331107 $54,~~282~~072.83 152,278 SH DEFINED 01 151,528 269 481 MOSAIC CO COM COMMON 61945A107 $3,427.02 ~~174~~81,~~737~~651 SH DEFINED 01 ~~174~~81,~~613~~226 37151 87274 NEW YORK CMNTY BANCOR COMMON 649445103 $~~837~~628.7022 6556,~~825~~242 SH DEFINED 01 6556,~~825~~242 0 0 NORFOLK SOUTHN CORP COMMON 655844108 $7,239.75 214,516 SH DEFINED 01 213,399 399 718 OCCIDENTAL PETE CORP COMMON 674599105 $54,~~825~~567.6448 9782,~~917~~089 SH DEFINED 01 9781,~~850~~679 20147 47263 ORACLE SYS CORP COM COMMON 68389X105 $911,~~969~~549.5439 ~~566~~639,~~013~~195 SH DEFINED 01 ~~565~~635,~~631~~867 ~~115~~1,188 ~~267~~2,140 OPTIONSXPRESS HLDGS I COMMON 684010101 $~~626~~587.4342 51,~~347~~528 SH DEFINED 01 51,~~347~~528 0 0 PAYCHEX INC COM COMMON 704326107 $710,~~448~~026.7981 ~~286~~390,~~475~~592 SH DEFINED 01 ~~286~~388,~~290~~760 55651 ~~130~~1,181 PEOPLES UNITED FINANC COMMON 712704105 $~~639~~581.2701 3732,~~636~~332 SH DEFINED 01 3732,~~636~~332 0 0 ~~PHARMACEUTICAL~~PRICELINE ~~PROD~~COM DINC COM COMMON ~~717124101~~741503403 $~~541~~226.5934 182,~~669~~873 SH DEFINED 01 182,~~669~~873 0 0 PROASSURANCE CORP COM COMMON 74267C106 $~~732~~589.3342 1412,~~789~~643 SH DEFINED 01 1412,~~789~~643 0 0 PSYCHIATRIC SOLUTIONS COMMON 74439H108 $~~1,180~~799.4937 4350,~~760~~818 SH DEFINED 01 4350,~~760~~818 0 0 QUEST DIAGNOSTICS INC COMMON 74834L100 $97,~~130~~090.5294 ~~176~~149,~~708~~342 SH DEFINED 01 ~~176~~148,~~585~~576 37275 86491 ST JUDE MEDICAL INC COMMON 790849103 $1110,~~472~~554.4677 ~~344~~290,~~320~~516 SH DEFINED 01 ~~344~~289,~~090~~105 69509 ~~161~~902 SCHEIN HENRY INC COM COMMON 806407102 $~~759~~700.9011 2017,~~468~~507 SH DEFINED 01 2017,~~468~~507 0 0 STATE STR CORP COM COMMON 857477103 $12777.47 25,~~710~~259 SH DEFINED 01 25,259 0 0 SYNAPTICS INC COM COMMON 87157D109 $496.6461 ~~327~~18,~~981~~558 SH DEFINED 01 ~~327~~18,~~746~~558 700 ~~165~~0 SYSCO CORPORATION COMMON 871829107 $46,~~500~~374.9826 ~~197~~279,~~059~~563 SH DEFINED 01 ~~196~~278,~~936~~191 37488 86884 TD AMERITRADE HLDG CO COMMON 87236Y108 $1210,~~219~~251.1695 ~~881~~742,~~066~~365 SH DEFINED 01 ~~880~~738,~~508~~801 ~~166~~1,275 ~~392~~2,289 TARGET CORP COMMON 87612E106 $87,~~813~~435.0191 ~~257~~216,~~573~~219 SH DEFINED 01 ~~257~~215,~~392~~100 54403 ~~127~~716 TETRA TECH INC NEW CO COMMON 88162G103 $~~560~~412.3251 2320,~~744~~241 SH DEFINED 01 2320,~~744~~241 0 0 THERMO FISHER SCIENTI COMMON 883556102 $1210,~~215~~710.2602 ~~356~~300,~~783~~235 SH DEFINED 01 ~~356~~298,~~535~~758 74532 ~~174~~945 TIME WARNER INC COM COMMON ~~887317105~~887317303 $126,~~169~~648.~~931~~56 545,~~218,121~~846 SH DEFINED 01 1544,~~217,250~~070 ~~261~~639 ~~610~~1,137 ~~VULCAN~~TIME ~~MATLS~~WARNER COCABLE ~~COM~~INC COMMON ~~929160109~~88732J207 $~~534~~2,123.8469 985,~~502~~601 SH DEFINED 01 985,~~502~~165 0156 0280 ~~WACHOVIA~~TRACTOR ~~GROUP~~SUPPLY CO COM COMMON ~~929903102~~892356106 $~~370~~550.5482 6615,~~884~~275 SH DEFINED 01 6615,~~884~~275 0 0 ~~WAL~~VULCAN ~~MART~~MATLS ~~STORES~~CO ~~INC~~COM COMMON ~~931142103~~929160109 $98,~~939~~911.7329 ~~180~~201,~~087~~218 SH DEFINED 01 ~~179~~200,~~957~~268 39338 91612 ~~WELLS~~WMS ~~FARGO~~INDS ~~NEW~~INC COM COMMON ~~949746101~~929297109 $~~12,714~~282.7216 ~~431~~13,~~293~~494 SH DEFINED 01 ~~430~~13,~~971~~494 960 ~~226~~0 WYETH COMMON 983024100 $~~232~~260.1995 6,~~190~~063 SH DEFINED 01 6,~~190~~063 0 0 ZIMMER HLDGS INC COMMON 98956P102 $~~6,813~~223.8589 ~~170~~6,~~501~~134 SH DEFINED 01 ~~170~~6,~~387~~134 350 790 ----------------------- --------------------------- ----------------------- --------------------------- TOTALS: $~~459~~362,~~121~~488.961 1714,~~450~~369,~~291~~568 1714,~~438~~303,~~888~~213 323,~~424~~817 742,~~979~~538 ======================= =========================== ======================= ===========================

FORM 13F SUMMARY PAGE Number of Other Included Managers: 2 Form 13F Information Table Entry Total: 84 Form 13F Information Table Value Total: $362,489 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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