Chief Administrative Officer

0001033427-21-000012.txt : 20210511 0001033427-21-000012.hdr.sgml : 20210511 20210511144610 ACCESSION NUMBER: 0001033427-21-000012 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20210331 FILED AS OF DATE: 20210511 DATE AS OF CHANGE: 20210511 EFFECTIVENESS DATE: 20210511 FILER: COMPANY DATA: COMPANY CONFORMED NAME: IRIDIAN ASSET MANAGEMENT LLC/CT CENTRAL INDEX KEY: 0001033427 IRS NUMBER: 061439577 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-06008 FILM NUMBER: 21910860 BUSINESS ADDRESS: STREET 1: 276 POST ROAD WEST CITY: WESTPORT STATE: CT ZIP: 06880-4704 BUSINESS PHONE: 2033417800 MAIL ADDRESS: STREET 1: 276 POST ROAD WEST CITY: WESTPORT STATE: CT ZIP: 06880-4704 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001033427 XXXXXXXX 03-31-2021 03-31-2021 IRIDIAN ASSET MANAGEMENT LLC/CT

276 POST ROAD WEST WESTPORT CT 06880-4704

13F HOLDINGS REPORT 028-06008 N Lane Bucklan Chief Administrative Officer 203-341-9053 Lane Bucklan Westport CT 05-11-2021 0 119 5860247 false INFORMATION TABLE 2 13F_xmlschema03312021.xml IRIDIAN ASSET MANAGEMENT 13F-03-31-2021 ACCELERATE ACQUISITION CORP Unit 00439D201 3972 400000 SH SOLE NONE 400000 0 0 ACV AUCTIONS INC COM 00091G104 7073 204368 SH SOLE NONE 204368 0 0 ALTO INGREDIENTS INC COM 021513106 481 88500 SH Call SOLE NONE 88500 0 0 AMAZON.COM INC COM 023135106 232 75 SH SOLE NONE 75 0 0 ANTHEM INC COM 036752103 170527 475073 SH SOLE NONE 355085 0 119988 ANTHEM INC COM 036752103 3410 9500 SH Call SOLE NONE 9500 0 0 AON PLC COM G0403H108 28138 122279 SH SOLE NONE 101180 0 21099 ARCH CAPITAL GROUP LTD COM G0450A105 124465 3243809 SH SOLE NONE 2343414 0 900395 ASHLAND GLOBAL HOLDINGS INC COM 044186104 68031 766376 SH SOLE NONE 552562 0 213814 ATLAS CREST INVESTMENT CORP COM 049284102 531 52788 SH SOLE NONE 52788 0 0 AUSTERLITZ ACQUISITION CORP I Unit G0633D117 1398 139286 SH SOLE NONE 139286 0 0 AUSTERLITZ ACQUISITION CORP II Unit G0633U119 2508 250000 SH SOLE NONE 250000 0 0 AVADEL PHARMACEUTICALS PLC American Depositary Receipt 05337M104 2206 244068 SH SOLE NONE 244068 0 0 AVANTOR INC COM 05352A100 73442 2538608 SH SOLE NONE 1834499 0 704109 AXSOME THERAPEUTICS INC COM 05464T104 136488 2410603 SH SOLE NONE 1761127 0 649476 AXSOME THERAPEUTICS INC COM 05464T104 181 3200 SH Call SOLE NONE 3200 0 0 BAKER HUGHES CO COM 05722G100 86304 3993707 SH SOLE NONE 2882787 0 1110920 BALL CORP COM 058498106 102049 1204256 SH SOLE NONE 878587 0 325669 BALL CORP COM 058498106 432 5100 SH Call SOLE NONE 5100 0 0 BEACON ROOFING SUPPLY INC COM 073685109 136405 2607137 SH SOLE NONE 1971319 0 635818 BERKSHIRE HATHAWAY INC COM 084670702 2603 10189 SH SOLE NONE 10189 0 0 BIOHAVEN PHARMACEUTICAL HOLDING CO LTD COM G11196105 288 4213 SH SOLE NONE 4213 0 0 BLOOM ENERGY CORP COM 093712107 1818 67225 SH SOLE NONE 67225 0 0 BLOOM ENERGY CORP COM 093712107 271 10000 SH Put SOLE NONE 10000 0 0 BOWX ACQUISITION CORP COM 103085106 43548 3728412 SH SOLE NONE 2686337 0 1042075 BRIDGEBIO PHARMA INC COM 10806X102 63019 1023034 SH SOLE NONE 739174 0 283860 BRIDGEBIO PHARMA INC COM 10806X102 474 7700 SH Call SOLE NONE 7700 0 0 BROOKFIELD ASSET MANAGEMENT INC COM 112585104 1872 42060 SH SOLE NONE 42060 0 0 CEL-SCI CORP COM 150837607 416 27341 SH Call SOLE NONE 27341 0 0 CHAMPIONX CORP COM 15872M104 72796 3350030 SH SOLE NONE 2438181 0 911849 CHARLES RIVER LABORATORIES INTERNATIONAL INC COM 159864107 69832 240941 SH SOLE NONE 174609 0 66332 CHARLES SCHWAB CORP/THE COM 808513105 633 9709 SH SOLE NONE 9709 0 0 COLICITY INC. 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