13F Filings History of Octagon Capital Advisors LP

Latest 13F report
Q4 2025 - 17 Feb 2026
Value $
$798,767,402
Signature - Title
Justin Hirsch - Chief Compliance Officer, Chief Financial Officer
Location
New York, NY
Summary
This page shows a list of all the recent 13F filings made by Octagon Capital Advisors LP. Form 13F is required to be filed within 45 days of the end of a calendar quarter. Octagon Capital Advisors LP reported 26 stock holdings with total value $798,767,402 as of Q4 2025. Top holdings included ABVX, DNTH, COGT, TSHA, and GOSS.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q4 2025 26 $798,767,402 +$136,390,971 -$191,209,991 -$54,819,020 ABVX, DNTH, COGT, TSHA, GOSS 13F-HR 17 Feb 2026, 15:45
Q3 2025 26 $640,605,896 +$46,935,678 -$155,629,490 -$108,693,812 ABVX, DNTH, GOSS, COGT, AVBP 13F-HR 14 Nov 2025, 16:10
Q2 2025 30 $455,324,511 +$61,857,598 -$110,521,784 -$48,664,186 DNTH, AVBP, VRNA, TSHA, SPRY 13F-HR 14 Aug 2025, 16:09
Q1 2025 34 $460,065,274 +$93,717,810 -$121,198,858 -$27,481,048 APLS, DNTH, AVBP, TRVI, CNTA Restatement 16 May 2025, 10:02
Q4 2024 31 $587,064,012 +$142,459,574 -$192,709,548 -$50,249,974 APLS, AVBP, DNTH, CNTA, VRNA 13F-HR 14 Feb 2025, 16:19
Q3 2024 41 $623,936,428 +$98,451,567 -$114,970,704 -$16,519,137 APLS, VRNA, GPCR, DNTH, AVBP 13F-HR 14 Nov 2024, 16:04
Q2 2024 44 $606,100,129 +$90,754,172 -$205,292,335 -$114,538,163 APLS, DNTH, GPCR, INSM, DYN 13F-HR 14 Aug 2024, 16:02
Q1 2024 56 $822,618,475 +$345,537,067 -$172,371,118 +$173,165,949 APLS, ALPN, DNTH, VRNA, DYN 13F-HR 15 May 2024, 16:00
Q4 2023 33 $624,985,827 +$84,424,118 -$175,432,977 -$91,008,859 APLS, CBAY, VRNA, INSM, RCUS 13F-HR 14 Feb 2024, 16:00
Q3 2023 35 $568,042,923 +$100,037,317 -$99,238,971 +$798,346 APLS, ROIV, CBAY, VRNA, RCUS 13F-HR 14 Nov 2023, 16:01
Q2 2023 40 $716,687,625 +$90,811,108 -$173,279,291 -$82,468,183 APLS, VRNA, CBAY, RCUS, ROIV 13F-HR 14 Aug 2023, 16:00
Q1 2023 35 $693,355,948 +$134,025,763 -$80,193,880 +$53,831,883 APLS, KDNY, VRNA, CBAY, RCUS 13F-HR 15 May 2023, 16:00
Q4 2022 32 $642,219,944 +$196,936,717 -$106,482,486 +$90,454,231 APLS, KDNY, VRNA, RCUS, MRTX 13F-HR 14 Feb 2023, 16:00
Q3 2022 35 $578,853,000 +$156,258,353 -$32,916,246 +$123,342,107 APLS, RCUS, KDNY, HZNP, GOSS 13F-HR 14 Nov 2022, 16:00
Q2 2022 20 $374,705,000 +$71,487,313 -$69,277,340 +$2,209,973 APLS, RCUS, KDNY, HZNP, GOSS 13F-HR 15 Aug 2022, 16:00
Q1 2022 24 $462,555,000 +$85,003,891 -$36,299,147 +$48,704,744 APLS, RCUS, CLDX, FDMT, BBIO 13F-HR 16 May 2022, 16:01
Q4 2021 28 $513,860,000 +$185,865,497 -$39,086,095 +$146,779,402 APLS, RCUS, IMAB, FDMT, BBIO 13F-HR 14 Feb 2022, 16:07
Q3 2021 30 $406,144,000 +$62,155,042 -$110,117,549 -$47,962,507 IMAB, APLS, CLDX, RCUS, BBIO 13F-HR 15 Nov 2021, 16:01
Q2 2021 34 $482,813,000 +$212,795,210 -$8,601,000 +$204,194,210 APLS, IMAB, CRIS, BBIO, RCUS 13F-HR 16 Aug 2021, 16:05
Q1 2021 28 $265,477,000 +$50,553,680 -$52,666,271 -$2,112,591 IMAB, CRIS, APLS, FDMT, XLRN 13F-HR 17 May 2021, 16:01
Q4 2020 31 $288,474,000 $0 $0 $0 APLS, IMAB, CLDX, CRIS, FDMT 13F-HR 16 Feb 2021, 16:01