Octagon Capital Advisors LP - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 17, 2026, for the 2025 Q4 period, Octagon Capital Advisors LP held in its portfolio 27 assets valued at $823,679,402 (i.e. $823.68M).

The most valuable assets in the portfolio included: ABIVAX SA ($101.95M), DIANTHUS THERAPEUTICS INC ($99.59M), and COGENT BIOSCIENCES INC ($83.47M).

The chart below shows the top 10 valuable assets, and the table below shows the top 27 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.
Data Source: SEC.
Top Valuable Stocks in Octagon Capital Advisors LP Portfolio
ABIVAX SA
DIANTHUS THERAPEUTICS INC
COGENT BIOSCIENCES INC
TAYSHA GENE THERAPIES INC
GOSSAMER BIO INC
KYMERA THERAPEUTICS INC
ARRIVENT BIOPHARMA INC
TREVI THERAPEUTICS INC
OCULAR THERAPEUTIX INC
MIND MEDICINE MINDMED INC
Octagon Capital Advisors LP - Stock Holdings in 13F Filings (SEC)
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Name of Issuer No. of Shares Value ($) Class
ABIVAX SA 756000 101950380 SPONSORED ADS
DIANTHUS THERAPEUTICS INC 2416667 99590847 COM
COGENT BIOSCIENCES INC 2350000 83472000 COM
TAYSHA GENE THERAPIES INC 8859911 48729511 COM SHS
GOSSAMER BIO INC 13915371 43137650 COM
KYMERA THERAPEUTICS INC 535000 41628350 COM
ARRIVENT BIOPHARMA INC 1971054 39657606 COM
TREVI THERAPEUTICS INC 2815000 35243800 COM
OCULAR THERAPEUTIX INC 2623600 31850504 COM
MIND MEDICINE MINDMED INC 2230000 29859700 COM NEW
CG ONCOLOGY INC 600000 24912000 COM
ALUMIS INC 2530700 24699632 COM
PALISADE BIO INC 9567898 22484560 COM
CIDARA THERAPEUTICS INC 100000 22089000 COM NEW
BIOAGE LABS INC 1598000 21141540 COM
KALVISTA PHARMACEUTICALS INC 1273333 20564328 COM
RAPT THERAPEUTICS INC 574000 19441380 COM NEW
CENTESSA PHARMACEUTICALS PLC 750000 18757500 SPONSORED ADS
PHARVARIS N V 671465 18633154 COM
LEXEO THERAPEUTICS INC 1725000 17129250 COM
BRIDGEBIO ONCOLOGY THERAPEUT 1043110 13059737 COM NEW
DBV TECHNOLOGIES S A 574200 11007414 SPONSORED ADS
EVOMMUNE INC 500000 8560000 COM SHS
PRECISION BIOSCIENCES INC 1917995 7978859 COM NEW
CORBUS PHARMACEUTICALS HLDGS 955000 7773700 COM NEW
UNICYCIVE THERAPEUTICS INC 1000000 5770000 COM NEW
PEPGEN INC 700000 4557000 COM