13F-HR 1 inftable.txt MARCH 2008 13F-HR REPORT SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2008 Check here if Amendment { }: Amendment Number: This Amendment (check only one): [ ] is a restatement. [ ] adds new holdings entries. Report Type (Check only one.): [ ] 13F Holdings Report [ ] 13F Notice [X] 13F Combination Report Institutional Investment Manager Filing this Report: Name: Iridian Asset Management LLC Address: 276 Post Road West, Westport, CT 06880-4704 13F File Number: 028-06008 List of Other Managers Reporting for this Manager: Form 13F File Number Name 028-01190 Frank Russell Company The institutional investment manager filing this report and the person by whom it is signed hereby represents that the person signing this 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: Lane S. Bucklan Title: General Counsel and Chief Compliance Officer Phone: 203-341-9053 Signature, Place and date of Signing: /s/ Lane S. Bucklan Westport, CT May 1, 2008 ---------------------- ----------- ------------- [Signature] [City, State] [Date] I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. Report Summary: Number of other included Managers: None Form 13F Information Table Entry Total: 138 Form 13F Information Table Value Total: $7,863,279,000 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 ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- A-POWER ENERGY GENERATION SYS COM G04136100 333 21982 SH SOLE 21982 ABBOTT LABORATORIES COM 002824100 16416 297660 SH SOLE 168850 128810 AGILENT TECHNOLOGIES INC COM 00846U101 301457 10105824 SH SOLE 6639953 3465871 ALPHA NATURAL RESOURCES INC COM 02076X102 2476 57000 SH SOLE 57000 AMERICA MOVIL SAB - ADR COM 02364W105 15393 241690 SH SOLE 218270 23420 AMGEN INC COM 031162100 13706 328050 SH SOLE 192850 135200 ARMSTRONG WORLD INDUSTRIES COM 04247X102 65833 1846139 SH SOLE 1287719 558420 ASIA AUTOMOTIVE ACQ COM 04519K101 388 50000 SH SOLE 50000 ASIA SPECIAL SIT ACQ CORP UNIT COM G0538M113 3123 328000 SH SOLE 328000 ASSURED GUARANTY LTD COM G0585R106 3187 134240 SH SOLE 134240 AT&T INC COM 00206R102 17046 445070 SH SOLE 261190 183880 ATLAS AMERICA INC COM 049167109 163726 2708902 SH SOLE 1827770 881132 AUTOLIV INC COM 052800109 186072 3706621 SH SOLE 2463980 1242641 BALL CORP COM 058498106 125295 2727359 SH SOLE 1775051 952308 BANK OF AMERICA CORP COM 060505104 22945 605240 SH SOLE 350370 254870 BAXTER INTL INC COM 071813109 288528 4990105 SH SOLE 3291211 1698894 BHP BILLITON LTD-SPON ADR COM 088606108 1185 17990 SH SOLE 13570 4420 BIOGEN IDEC INC COM 09062X103 86977 1409904 SH SOLE 945629 464275 BOEING CO. 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