0001802528-21-000002.txt : 20210212 0001802528-21-000002.hdr.sgml : 20210212 20210212104553 ACCESSION NUMBER: 0001802528-21-000002 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20201231 FILED AS OF DATE: 20210212 DATE AS OF CHANGE: 20210212 EFFECTIVENESS DATE: 20210212 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Fairmount Funds Management LLC CENTRAL INDEX KEY: 0001802528 IRS NUMBER: 364841215 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-19908 FILM NUMBER: 21624018 BUSINESS ADDRESS: STREET 1: 2001 MARKET STREET SUITE 2500 CITY: PHILADELPHIA STATE: PA ZIP: 19103 BUSINESS PHONE: 267-760-4066 MAIL ADDRESS: STREET 1: 2001 MARKET STREET SUITE 2500 CITY: PHILADELPHIA STATE: PA ZIP: 19103 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001802528 XXXXXXXX 12-31-2020 12-31-2020 Fairmount Funds Management LLC

2001 MARKET STREET SUITE 2500 PHILADELPHIA PA 19103

13F HOLDINGS REPORT 028-19908 N Peter Harwin (267) 760-4066 Peter Harwin Philadelphia PA 2-10-2021 0 18 279600 INFORMATION TABLE 2 Form13FInfoTable.xml FAIRMOUNT FUNDS MANAGEMENT LLC INFORMATION TABLE ACADIA PHARMACEUTICALS INC COM 004225108 24074 450317 SH SOLE N/A 450317 0 0 ALLAKOS INC COM 01671P100 20673 147662 SH SOLE N/A 147662 0 0 AMARIN CORP PLC SPONS ADR NEW 023111206 7375 1508237 SH SOLE N/A 1508237 0 0 AMICUS THERAPEUTICS INC COM 03152W109 30372 1315395 SH SOLE N/A 1315395 0 0 ARGENX SE SPONSORED ADR 04016X101 14690 49950 SH SOLE N/A 49950 0 0 AXSOME THERAPEUTICS INC COM 05464T104 17931 220098 SH SOLE N/A 220098 0 0 COGENT BIOSCIENCES INC COM 19240Q201 17507 1558975 SH SOLE N/A 1558975 0 0 ENANTA PHARMACEUTICALS INC COM 29251M106 6333 150433 SH SOLE N/A 150433 0 0 GLOBAL BLOOD THERAPEUTICS IN COM 37890U108 9312 215000 SH SOLE N/A 215000 0 0 INSMED INC COM PAR $.01 457669307 32018 961797 SH SOLE N/A 961797 0 0 IOVANCE BIOTHERAPEUTICS INC COM 462260100 26257 565890 SH SOLE N/A 565890 0 0 KARYOPHARM THERAPEUTICS INC COM 48576U106 10872 702351 SH SOLE N/A 702351 0 0 MIRAGEN THERAPEUTICS INC COM NEW 60463E202 554 35092 SH SOLE N/A 35092 0 0 MIRATI THERAPEUTICS INC COM 60468T105 13288 60500 SH SOLE N/A 60500 0 0 SERES THERAPEUTICS INC COM 81750R102 6297 257016 SH SOLE N/A 257016 0 0 TRILLIUM THERAPEUTICS INC COM NEW 89620X506 21744 1478181 SH SOLE N/A 1478181 0 0 VERONA PHARMA PLC SPONSORED ADS 925050106 700 100000 SH SOLE N/A 100000 0 0 ZOGENIX INC COM NEW 98978L204 19603 980645 SH SOLE N/A 980645 0 0