Octagon Capital Advisors LP

Q1 2026 13F-HR Holdings

Location
New York, NY
Holdings as of
3/31/2026
Date filed
5/15/2026
Form type
13F-HR
Num holdings
29
Total value ($000)
$903,606
Net value change ($000)
+79,927 (9.7%)
New positions
8
Sold out positions
5
Turnover %
29.8%
Sector allocation + QoQ delta (equities-only)
Prev filing: 2/17/2026 Next filing: — SEC filing

Snapshot: Change Analysis

Compared to Q4 2025
Methodology: sector metrics are equities-only; instrument mix chart is ex-options; options exposure is shown separately. Why this matters.
Top Adds (Value $000, Stocks/ETFs)
DNTH 63,773 64.0%
DFTX 46,116 NEW
ALMS 37,660 152.5%
MIRM 31,308 NEW
XENE 28,494 NEW
TERN 27,942 NEW
IRON 17,264 NEW
AKTS 17,190 NEW
CNTX 13,755 NEW
CNTA 11,032 58.8%
Top Reduces (Value $000, Stocks/ETFs)
GOSS -40,592 -94.1%
DFTX -29,860 -100.0%
ABVX -26,566 -26.1%
CDTX -22,089 -100.0%
RAPT -19,441 -100.0%
TRVI -17,528 -49.7%
PHVS -13,972 -75.0%
LXEO -10,815 -63.1%
TSHA -9,126 -18.7%
CRBP -7,774 -100.0%
Instrument mix + QoQ Δ (ex-options)
How this table is calculated: SEC VALUE ($000) is used as reported. For derivatives (PUT/CALL/WARRANT/RIGHT), SEC value represents reported underlying exposure, not premium cash paid/received. Column % is bucket-based: non-options share is calculated inside non-option total, options share is calculated inside options total. Details.
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Instrument:
Issuer Name Ticker Sector Industry Class History Value ($000) % Shares Shares Δ Shares Δ% Value Δ ($000) Value Δ% Principal Option Type