0001085146-21-000719.txt : 20210212 0001085146-21-000719.hdr.sgml : 20210212 20210212154330 ACCESSION NUMBER: 0001085146-21-000719 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: CHI Advisors LLC CENTRAL INDEX KEY: 0001791468 IRS NUMBER: 141874283 STATE OF INCORPORATION: DE FISCAL YEAR END: 1230 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-19612 FILM NUMBER: 21626711 BUSINESS ADDRESS: STREET 1: 599 LEXINGTON AVENUE STREET 2: 20TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 2122014829 MAIL ADDRESS: STREET 1: 599 LEXINGTON AVENUE STREET 2: 20TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001791468 XXXXXXXX 12-31-2020 12-31-2020 false CHI Advisors LLC

599 Lexington Avenue 20th Floor NEW YORK NY 10022

13F HOLDINGS REPORT 028-19612 N Andrea J.S. Sayago 212-201-4829 /s/ Andrea J.S. Sayago New York NY 02-12-2021 0 23 354996 false INFORMATION TABLE 2 infotable.xml INFORMATION TABLE ADVERUM BIOTECHNOLOGIES INC COM 00773U108 642 59209 SH DFND 59209 0 0 AKOUOS INC COM 00973J101 17270 870897 SH DFND 870897 0 0 AMERICAN WELL CORP CL A 03044L105 6291 248352 SH DFND 248352 0 0 BLUEBIRD BIO INC COM 09609G100 346 8000 SH DFND 8000 0 0 BLUEPRINT MEDICINES CORP COM 09627Y109 617 5500 SH DFND 5500 0 0 CORVUS PHARMACEUTICALS INC COM 221015100 1748 490877 SH DFND 490877 0 0 FREELINE THERAPEUTICS HLDGS SPONSORED ADS 35655L107 24853 1361064 SH DFND 1361064 0 0 G1 THERAPEUTICS INC COM 3621LQ109 1115 62000 SH DFND 62000 0 0 GLOBAL BLOOD THERAPEUTICS IN COM 37890U108 987 22800 SH DFND 22800 0 0 GLOBAL BLOOD THERAPEUTICS IN COM 37890U108 8 20000 SH Call DFND 20000 0 0 INOZYME PHARMA INC COM 45790W108 20545 995396 SH DFND 995396 0 0 KEROS THERAPEUTICS INC COM 492327101 30604 433852 SH DFND 433852 0 0 KEZAR LIFE SCIENCES INC COM 49372L100 705 135000 SH DFND 135000 0 0 LARIMAR THERAPEUTICS INC COM 517125100 32439 1515148 SH DFND 1515148 0 0 ONCORUS INC COM 68236R103 54312 1679906 SH DFND 1679906 0 0 ORCHARD THERAPEUTICS PLC ADS 68570P101 12663 2931185 SH DFND 2931185 0 0 OVID THERAPEUTICS INC COM 690469101 1911 827260 SH DFND 827260 0 0 PLIANT THERAPEUTICS INC COM 729139105 53501 2354799 SH DFND 2354799 0 0 PRECISION BIOSCIENCES INC COM 74019P108 7109 852358 SH DFND 852358 0 0 PRECISION BIOSCIENCES INC COM 74019P108 8 10000 SH Call DFND 10000 0 0 REPARE THERAPEUTICS INC COM 760273102 86853 2532150 SH DFND 2532150 0 0 SPDR SER TR S&P BIOTECH 78464A870 54 10000 SH Put DFND 10000 0 0 ULTRAGENYX PHARMACEUTICAL IN COM 90400D108 415 3000 SH DFND 3000 0 0