0001104659-24-024372.txt : 20240215 0001104659-24-024372.hdr.sgml : 20240215 20240215091722 ACCESSION NUMBER: 0001104659-24-024372 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20231231 FILED AS OF DATE: 20240215 DATE AS OF CHANGE: 20240215 EFFECTIVENESS DATE: 20240215 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MASON CAPITAL MANAGEMENT LLC CENTRAL INDEX KEY: 0001218735 ORGANIZATION NAME: IRS NUMBER: 134121993 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-10413 FILM NUMBER: 24642399 BUSINESS ADDRESS: STREET 1: 110 EAST 59TH STREET STREET 2: 30TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 2127711206 MAIL ADDRESS: STREET 1: 110 EAST 59TH STREET STREET 2: 30TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE false false false 0001218735 XXXXXXXX 12-31-2023 12-31-2023 false MASON CAPITAL MANAGEMENT LLC

110 East 59th Street 30th Floor New York NY 10022

13F HOLDINGS REPORT 028-10413 N John Grizzetti 212-771-1200 /s/ John Grizzetti New York NY 02-14-2024 0 7 893879793 INFORMATION TABLE 2 infotable.xml ATS CORPORATION COM 00217Y104 768789379 17849765 SH SOLE 17849765 0 0 CLEAR CHANNEL OUTDOOR HLDGS COM 18453H106 4357408 2394180 SH SOLE 2394180 0 0 COLOMBIER ACQUIS CORP II Unit G2283U126 7580543 752038 SH SOLE 752038 0 0 SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 62962377 552350 SH SOLE 552350 0 0 SEADRILL 2021 LIMITED COM G7997W102 18610779 393629 SH SOLE 393629 0 0 FORWARD PHARMA A/S SPONSORED ADS NEW 34986J204 210000 525 SH SOLE 525 0 0 BARNES GROUP INC COM 067806109 31369307 961364 SH SOLE 961364 0 0