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13F-HR filed by Octagon Capital Advisors LP

Octagon Capital Advisors LP filed this 13F-HR for the quarter ended 2025-09-30, filed 2025-11-14, with 27 holding rows worth $659,757,896.

Accession
0001839435-25-000010
Filed
2025-11-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2025

A holdings report, 27 entries on the cover page, a total value of $659,757,896 stated on the cover page (in dollars after the unit check, H1), rows summing to $659,757,896 with VALUE read as dollars as filed, 13F file number 028-20958. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
ABIVAX SA-00370M103SPONSORED ADS1,325,000$112,492,500dollars as filed
DIANTHUS THERAPEUTICS INC252828108COM2,416,667$95,095,846dollars as filed
GOSSAMER BIO INC COM38341P102Stock17,050,000$44,841,500dollars as filed
COGENT BIOSCIENCES INC19240Q201COM2,874,111$41,272,234dollars as filed
ARRIVENT BIOPHARMA INC04272N102COM1,971,054$36,365,946dollars as filed
OCULAR THERAPEUTIX INC67576A100COM2,624,000$30,674,560dollars as filed
TAYSHA GENE THERAPIES INC877619106COMMON STOCK9,067,500$29,650,725dollars as filed
MERUS N VN5749R100COM308,000$28,998,200dollars as filed
TREVI THERAPEUTICS INC COM89532M101Stock2,815,000$25,757,250dollars as filed
MIND MEDICINE MINDMED INC60255C885COM NEW2,130,000$25,112,700dollars as filed
APELLIS PHARMACEUTICALS INC03753U106COM903,500$20,446,205dollars as filed
KYMERA THERAPEUTICS INC501575104COM360,000$20,376,000dollars as filed
CENTESSA PHARMACEUTICALS PLC152309100SPONSORED ADS830,000$20,127,500dollars as filed
CIDARA THERAPEUTICS INC171757206COM NEW200,000$19,152,000dollars as filedcall
PHARVARIS NVN69605108COMMON STOCK722,595$18,028,745dollars as filed
KALVISTA PHARMACEUTICALS INC483497103COM1,273,333$15,509,196dollars as filed
CORBUS PHARMACEUTICALS21833P301COM NEW1,115,000$14,104,750dollars as filed
BRIDGEBIO ONCOLOGY THERAPEUT107924102COM NEW1,043,110$12,079,214dollars as filed
DBV TECHNOLOGIES S A23306J309SPONSORED ADS1,018,021$10,180,210dollars as filed
NUVATION BIO INC COM CL A67080N101Stock2,633,334$9,743,336dollars as filed
CIDARA THERAPEUTICS INC171757206COM NEW100,000$9,576,000dollars as filed
MAZE THERAPEUTICS INC COM578784100Stock177,667$4,606,905dollars as filed
NEUROGENE INC64135M105COMMON STOCK252,000$4,367,160dollars as filed
UNICYCIVE THERAPEUTICS INC90466Y202COMMON STOCK1,000,000$4,360,000dollars as filed
PEPGEN INC COM713317105Stock700,000$3,234,000dollars as filed
STRUCTURE THERAPEUTICS INC COMP86366E106EQUITY115,000$3,220,000dollars as filed
NUVATION BIO INC67080N119WARR104,112$385,214dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001839435-25-000010this filing2025-11-14acceptance time not in the bulk data set