0000919574-24-001188.txt : 20240214 0000919574-24-001188.hdr.sgml : 20240214 20240213193421 ACCESSION NUMBER: 0000919574-24-001188 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20231231 FILED AS OF DATE: 20240214 DATE AS OF CHANGE: 20240213 EFFECTIVENESS DATE: 20240214 FILER: COMPANY DATA: COMPANY CONFORMED NAME: CAXTON CORP CENTRAL INDEX KEY: 0001388551 ORGANIZATION NAME: IRS NUMBER: 222437619 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-15293 FILM NUMBER: 24631171 BUSINESS ADDRESS: STREET 1: 731 ALEXANDER ROAD STREET 2: BUILDING 2, SUITE 500 CITY: PRINCETON STATE: NJ ZIP: 08540 BUSINESS PHONE: 609-419-1800 MAIL ADDRESS: STREET 1: 731 ALEXANDER ROAD STREET 2: BUILDING 2, SUITE 500 CITY: PRINCETON STATE: NJ ZIP: 08540 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE false true false 0001388551 XXXXXXXX 12-31-2023 12-31-2023 false CAXTON CORP

731 Alexander Road Building 2, Suite 500 Princeton NJ 08540

13F HOLDINGS REPORT 028-15293 N Heath Weisberg 212-205-6805 /s/ Heath Weisberg Princeton NJ 02-13-2024 0 12 18524322 true INFORMATION TABLE 2 infotable.xml ABIVAX SA SPONSORED ADS 00370M103 179149 16743 SH SOLE 16743 0 0 ALLAKOS INC COM 01671P100 67457 24710 SH SOLE 24710 0 0 APOGEE THERAPEUTICS INC COM 03770N101 205436 7353 SH SOLE 7353 0 0 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 369293 1035 SH SOLE 1035 0 0 COMPASS THERAPEUTICS INC COM 20454B104 67806 43465 SH SOLE 43465 0 0 HARPOON THERAPEUTICS INC COM NEW 41358P205 129291 13176 SH SOLE 13176 0 0 LEXEO THERAPEUTICS INC COM 52886X107 138476 10319 SH SOLE 10319 0 0 MOLECULAR TEMPLATES INC COM NEW 608550208 510510 136866 SH SOLE 136866 0 0 REZOLUTE INC COM NEW 76200L309 1309075 1318967 SH SOLE 1318967 0 0 SAVARA INC COM 805111101 1661173 353441 SH SOLE 353441 0 0 SPDR S&P 500 ETF TR TR UNIT 78462F103 628144 1322 SH SOLE 1322 0 0 XERIS BIOPHARMA HOLDINGS INC COM 98422E103 13258512 5641920 SH SOLE 5641920 0 0