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13F-HR filed by Octagon Capital Advisors LP

Octagon Capital Advisors LP filed this 13F-HR for the quarter ended 2025-12-31, filed 2026-02-17, with 27 holding rows worth $823,679,402.

Accession
0001839435-26-000002
Filed
2026-02-17
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q4 2025

A holdings report, 27 entries on the cover page, a total value of $823,679,402 stated on the cover page (in dollars after the unit check, H1), rows summing to $823,679,402 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 ADS756,000$101,950,380dollars as filed
DIANTHUS THERAPEUTICS INC252828108COM2,416,667$99,590,847dollars as filed
COGENT BIOSCIENCES INC19240Q201COM2,350,000$83,472,000dollars as filed
TAYSHA GENE THERAPIES INC877619106COMMON STOCK8,859,911$48,729,511dollars as filed
GOSSAMER BIO INC COM38341P102Stock13,915,371$43,137,650dollars as filed
KYMERA THERAPEUTICS INC501575104COM535,000$41,628,350dollars as filed
ARRIVENT BIOPHARMA INC04272N102COM1,971,054$39,657,606dollars as filed
TREVI THERAPEUTICS INC COM89532M101Stock2,815,000$35,243,800dollars as filed
OCULAR THERAPEUTIX INC67576A100COM2,623,600$31,850,504dollars as filed
MIND MEDICINE MINDMED INC60255C885COM NEW2,230,000$29,859,700dollars as filed
CG ONCOLOGY INC156944100COMMON STOCK600,000$24,912,000dollars as filedcall
ALUMIS INC022307102COM2,530,700$24,699,632dollars as filed
PALISADE BIO INC696389402COMMON STOCK9,567,898$22,484,560dollars as filed
CIDARA THERAPEUTICS INC171757206COM NEW100,000$22,089,000dollars as filed
BIOAGE LABS INC COM09077V100Stock1,598,000$21,141,540dollars as filed
KALVISTA PHARMACEUTICALS INC483497103COM1,273,333$20,564,328dollars as filed
RAPT THERAPEUTICS INC75382E208COM NEW574,000$19,441,380dollars as filed
CENTESSA PHARMACEUTICALS PLC152309100SPONSORED ADS750,000$18,757,500dollars as filed
PHARVARIS NVN69605108COMMON STOCK671,465$18,633,154dollars as filed
LEXEO THERAPEUTICS INC52886X107COMMON STOCK1,725,000$17,129,250dollars as filed
BRIDGEBIO ONCOLOGY THERAPEUT107924102COM NEW1,043,110$13,059,737dollars as filed
DBV TECHNOLOGIES S A23306J309SPONSORED ADS574,200$11,007,414dollars as filed
EVOMMUNE INC30054Y107COMMON STOCK500,000$8,560,000dollars as filed
PRECISION BIOSCIENCES INC74019P207COM NEW1,917,995$7,978,859dollars as filed
CORBUS PHARMACEUTICALS21833P301COM NEW955,000$7,773,700dollars as filed
UNICYCIVE THERAPEUTICS INC90466Y202COMMON STOCK1,000,000$5,770,000dollars as filed
PEPGEN INC COM713317105Stock700,000$4,557,000dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001839435-26-000002this filing2026-02-17acceptance time not in the bulk data set