0001214659-24-009309.txt : 20240515 0001214659-24-009309.hdr.sgml : 20240515 20240515160017 ACCESSION NUMBER: 0001214659-24-009309 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20240331 FILED AS OF DATE: 20240515 DATE AS OF CHANGE: 20240515 EFFECTIVENESS DATE: 20240515 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Octagon Capital Advisors LP CENTRAL INDEX KEY: 0001839435 ORGANIZATION NAME: IRS NUMBER: 843576791 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-20958 FILM NUMBER: 24950023 BUSINESS ADDRESS: STREET 1: 654 MADISON AVENUE STREET 2: 21ST FLOOR CITY: NEW YORK STATE: NY ZIP: 10065 BUSINESS PHONE: 212-369-2829 MAIL ADDRESS: STREET 1: 654 MADISON AVENUE STREET 2: 21ST FLOOR CITY: NEW YORK STATE: NY ZIP: 10065 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE false false false 0001839435 XXXXXXXX 03-31-2024 03-31-2024 false Octagon Capital Advisors LP

654 MADISON AVENUE 21ST FLOOR NEW YORK NY 10065

13F HOLDINGS REPORT 028-20958 000306424 801-118554 N Justin Hirsch 212-369-2829 /s/ Justin Hirsch New York NY 05-15-2024 0 57 834374475 INFORMATION TABLE 2 infotable.xml ADICET BIO INC COM 007002108 1804328 767799 SH SOLE 767799 0 0 AEROVATE THERAPEUTICS INC COM 008064107 11936965 403685 SH SOLE 403685 0 0 AKERO THERAPEUTICS INC COM 00973Y108 8588400 340000 SH SOLE 340000 0 0 ALLOGENE THERAPEUTICS INC COM 019770106 3218400 720000 SH SOLE 720000 0 0 ALLOVIR INC COM 019818103 3170580 4200000 SH SOLE 4200000 0 0 ALPINE IMMUNE SCIENCES INC COM 02083G100 49205132 1241300 SH SOLE 1241300 0 0 AN2 THERAPEUTICS INC COM 037326105 3584750 1103000 SH SOLE 1103000 0 0 ANAPTYSBIO INC COM 032724106 3715800 165000 SH SOLE 165000 0 0 ANNEXON INC COM 03589W102 14698500 2050000 SH SOLE 2050000 0 0 APELLIS PHARMACEUTICALS INC COM 03753U106 11756000 200000 SH Call SOLE 200000 0 0 APELLIS PHARMACEUTICALS INC COM 03753U106 164994284 2806980 SH SOLE 2806980 0 0 ARRIVENT BIOPHARMA INC COM 04272N102 34716911 1943836 SH SOLE 1943836 0 0 ARROWHEAD PHARMACEUTICALS IN COM 04280A100 7150000 250000 SH SOLE 250000 0 0 ATYR PHARMA INC COM NEW 002120202 1365000 700000 SH SOLE 700000 0 0 AUTOLUS THERAPEUTICS PLC SPON ADS 05280R100 1122880 176000 SH SOLE 176000 0 0 BRIDGEBIO PHARMA INC COM 10806X102 21334800 690000 SH SOLE 690000 0 0 CABALETTA BIO INC COM 12674W109 887120 52000 SH SOLE 52000 0 0 CENTESSA PHARMACEUTICALS PLC SPONSORED ADS 152309100 23279130 2060100 SH SOLE 2060100 0 0 CENTURY THERAPEUTICS INC COM 15673T100 2257200 540000 SH SOLE 540000 0 0 CORBUS PHARMACEUTICALS HLDGS COM NEW 21833P301 15892200 405000 SH SOLE 405000 0 0 CYBIN INC COM 23256X100 7693023 18604650 SH SOLE 18604650 0 0 CYTOKINETICS INC COM NEW 23282W605 13601340 194000 SH SOLE 194000 0 0 DIANTHUS THERAPEUTICS INC COM 252828108 41420010 1380667 SH SOLE 1380667 0 0 DYNE THERAPEUTICS INC COM 26818M108 35287209 1242945 SH SOLE 1242945 0 0 EYEPOINT PHARMACEUTICALS INC COM NEW 30233G209 22602707 1093503 SH SOLE 1093503 0 0 FATE THERAPEUTICS INC COM 31189P102 3822672 520800 SH SOLE 520800 0 0 GLYCOMIMETICS INC COM 38000Q102 9000000 3000000 SH SOLE 3000000 0 0 GOSSAMER BIO INC COM 38341P102 10841702 9187883 SH SOLE 9187883 0 0 HELIX ACQUISITION CORP II CL A ORD SHS G4444H101 2587500 250000 SH SOLE 250000 0 0 IMMUNOVANT INC COM 45258J102 8829968 273289 SH SOLE 273289 0 0 INSMED INC COM PAR $.01 457669307 30928200 1140000 SH SOLE 1140000 0 0 JASPER THERAPEUTICS INC COM NEW 471871202 14703811 500811 SH SOLE 500811 0 0 MERSANA THERAPEUTICS INC COM 59045L106 4480000 1000000 SH SOLE 1000000 0 0 MIND MEDICINE MINDMED INC COM NEW 60255C885 20238200 2153000 SH SOLE 2153000 0 0 MINERALYS THERAPEUTICS INC COM 603170101 7100500 550000 SH SOLE 550000 0 0 NEWAMSTERDAM PHARMA COMPANY ORDINARY SHARES N62509109 9649200 408000 SH SOLE 408000 0 0 NKARTA INC COM 65487U108 2594400 240000 SH SOLE 240000 0 0 NUVATION BIO INC COM CL A 67080N101 5004527 1374870 SH SOLE 1374870 0 0 OCULAR THERAPEUTIX INC COM 67576A100 22067500 2425000 SH SOLE 2425000 0 0 PEPGEN INC COM 713317105 5528920 376117 SH SOLE 376117 0 0 PERSPECTIVE THERAPEUTICS INC COM 46489V104 17514922 14718422 SH SOLE 14718422 0 0 PHATHOM PHARMACEUTICALS INC COM 71722W107 4832100 455000 SH SOLE 455000 0 0 POSEIDA THERAPEUTICS INC COM 73730P108 2347840 736000 SH SOLE 736000 0 0 PRAXIS PRECISION MEDICINES I COM NEW 74006W207 15865200 260000 SH SOLE 260000 0 0 RAPT THERAPEUTICS INC COM 75382E109 2622160 292000 SH SOLE 292000 0 0 RENEO PHARMACEUTICALS INC COM 75974E103 3735000 2250000 SH SOLE 2250000 0 0 SANA BIOTECHNOLOGY INC COM 799566104 3608000 360800 SH SOLE 360800 0 0 SILENCE THERAPEUTICS PLC ADS 82686Q101 6804000 315000 SH SOLE 315000 0 0 STRUCTURE THERAPEUTICS INC SPONSORED ADS 86366E106 21713047 506604 SH SOLE 506604 0 0 TAYSHA GENE THERAPIES INC COM SHS 877619106 8696100 3030000 SH SOLE 3030000 0 0 TENAYA THERAPEUTICS INC COM 87990A106 14926420 2854000 SH SOLE 2854000 0 0 TERNS PHARMACEUTICALS INC COM 880881107 4100000 625000 SH SOLE 625000 0 0 VENTYX BIOSCIENCES INC COM 92332V107 8256127 1501114 SH SOLE 1501114 0 0 VERONA PHARMA PLC SPONSORED ADS 925050106 38117210 2369000 SH SOLE 2369000 0 0 VERU INC COM 92536C103 2660380 3800000 SH SOLE 3800000 0 0 VINCERX PHARMA INC COM NEW 92731L106 5060000 1000000 SH SOLE 1000000 0 0 VIRIDIAN THERAPEUTICS INC COM 92790C104 10856200 620000 SH SOLE 620000 0 0