Filed: 8/14/2025ACC: 0001839435-25-000007
📋 What this filing means
OCTAGON CAPITAL ADVISORS LP filed this quarterly 13F‑HR report disclosing 30 equity positions with a total reported market value of $455.63M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
30
Positions
$455.63M
Total AUM (reported)
71.35M
Total Shares
Allocation by class
COM$291.52M64.0%
SPONSORED ADS$64.42M14.1%
COM NEW$45.65M10.0%
COM SHS$29.09M6.4%
COM CL A$15.00M3.3%
CLASS A ORD$6.99M1.5%
CL A ORD SHS$2.66M0.6%
Portfolio Concentration
Top 3$117.86M25.9%
4–10$158.11M34.7%
11–25$172.66M37.9%
Rest$6.99M1.5%
Top 3 weight
25.9%
Top 10 weight
60.6%
Voting Authority Distribution
Total shares with voting rights: 71.35M
Sole
Full voting authority
71.35M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole30
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings30
Rows:
DIANTHUS THERAPEUTICS INC
SOLEShares2.34M
TypeSH
Market value$43.63M
9.57%
Sole
2.34M
Shared
0.00
None
0.00
ARRIVENT BIOPHARMA INC
SOLEShares1.95M
TypeSH
Market value$42.37M
9.30%
Sole
1.95M
Shared
0.00
None
0.00
VERONA PHARMA PLC
SOLEShares337K
TypeSH
Market value$31.87M
7.00%
Sole
337K
Shared
0.00
None
0.00
TAYSHA GENE THERAPIES INC
SOLEShares12.59M
TypeSH
Market value$29.09M
6.38%
Sole
12.59M
Shared
0.00
None
0.00
ARS PHARMACEUTICALS INC
SOLEShares1.35M
TypeSH
Market value$23.56M
5.17%
Sole
1.35M
Shared
0.00
None
0.00
GOSSAMER BIO INC
SOLEShares18.35M
TypeSH
Market value$22.57M
4.95%
Sole
18.35M
Shared
0.00
None
0.00
OCULAR THERAPEUTIX INC
SOLEShares2.42M
TypeSH
Market value$22.50M
4.94%
Sole
2.42M
Shared
0.00
None
0.00
MERUS N V
SOLEShares389K
TypeSH
Market value$20.46M
4.49%
Sole
389K
Shared
0.00
None
0.00
TREVI THERAPEUTICS INC
SOLEShares3.67M
TypeSH
Market value$20.09M
4.41%
Sole
3.67M
Shared
0.00
None
0.00
COGENT BIOSCIENCES INC
SOLEShares2.76M
TypeSH
Market value$19.84M
4.35%
Sole
2.76M
Shared
0.00
None
0.00
ATYR PHARMA INC
SOLEShares3.82M
TypeSH
Market value$19.37M
4.25%
Sole
3.82M
Shared
0.00
None
0.00
APELLIS PHARMACEUTICALS INC
SOLEShares903.50K
TypeSH
Market value$15.64M
3.43%
Sole
903.50K
Shared
0.00
None
0.00
NUVATION BIO INC
SOLEShares7.69M
TypeSH
Market value$15.00M
3.29%
Sole
7.69M
Shared
0.00
None
0.00
TOURMALINE BIO INC
SOLEShares905K
TypeSH
Market value$14.47M
3.18%
Sole
905K
Shared
0.00
None
0.00
KALVISTA PHARMACEUTICALS INC
SOLEShares1.27M
TypeSH
Market value$14.40M
3.16%
Sole
1.27M
Shared
0.00
None
0.00
MIND MEDICINE MINDMED INC
SOLEShares2.13M
TypeSH
Market value$13.82M
3.03%
Sole
2.13M
Shared
0.00
None
0.00
CENTESSA PHARMACEUTICALS PLC
SOLEShares1.03M
TypeSH
Market value$13.53M
2.97%
Sole
1.03M
Shared
0.00
None
0.00
PHARVARIS N V
SOLEShares672.60K
TypeSH
Market value$11.84M
2.60%
Sole
672.60K
Shared
0.00
None
0.00
KYMERA THERAPEUTICS INC
SOLEShares266K
TypeSH
Market value$11.61M
2.55%
Sole
266K
Shared
0.00
None
0.00
ABIVAX SA
SOLEShares1.27M
TypeSH
Market value$9.69M
2.13%
Sole
1.27M
Shared
0.00
None
0.00
DBV TECHNOLOGIES S A
SOLEShares1.02M
TypeSH
Market value$9.31M
2.04%
Sole
1.02M
Shared
0.00
None
0.00
CORBUS PHARMACEUTICALS HLDGS
SOLEShares1.11M
TypeSH
Market value$7.69M
1.69%
Sole
1.11M
Shared
0.00
None
0.00
MOONLAKE IMMUNOTHERAPEUTICS
SOLEShares148K
TypeSH
Market value$6.99M
1.53%
Sole
148K
Shared
0.00
None
0.00
UNICYCIVE THERAPEUTICS INC
SOLEShares1M
TypeSH
Market value$4.77M
1.05%
Sole
1M
Shared
0.00
None
0.00
NEUROGENE INC
SOLEShares303K
TypeSH
Market value$4.53M
0.99%
Sole
303K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
DIANTHUS THERAPEUTICS INCSOLE | COM | 2.34M | SH | $43.63M 9.57% | 2.34M | 0.00 | 0.00 |
ARRIVENT BIOPHARMA INCSOLE | COM | 1.95M | SH | $42.37M 9.30% | 1.95M | 0.00 | 0.00 |
VERONA PHARMA PLCSOLE | SPONSORED ADS | 337K | SH | $31.87M 7.00% | 337K | 0.00 | 0.00 |
TAYSHA GENE THERAPIES INCSOLE | COM SHS | 12.59M | SH | $29.09M 6.38% | 12.59M | 0.00 | 0.00 |
ARS PHARMACEUTICALS INCSOLE | COM | 1.35M | SH | $23.56M 5.17% | 1.35M | 0.00 | 0.00 |
GOSSAMER BIO INCSOLE | COM | 18.35M | SH | $22.57M 4.95% | 18.35M | 0.00 | 0.00 |
OCULAR THERAPEUTIX INCSOLE | COM | 2.42M | SH | $22.50M 4.94% | 2.42M | 0.00 | 0.00 |
MERUS N VSOLE | COM | 389K | SH | $20.46M 4.49% | 389K | 0.00 | 0.00 |
TREVI THERAPEUTICS INCSOLE | COM | 3.67M | SH | $20.09M 4.41% | 3.67M | 0.00 | 0.00 |
COGENT BIOSCIENCES INCSOLE | COM | 2.76M | SH | $19.84M 4.35% | 2.76M | 0.00 | 0.00 |
ATYR PHARMA INCSOLE | COM NEW | 3.82M | SH | $19.37M 4.25% | 3.82M | 0.00 | 0.00 |
APELLIS PHARMACEUTICALS INCSOLE | COM | 903.50K | SH | $15.64M 3.43% | 903.50K | 0.00 | 0.00 |
NUVATION BIO INCSOLE | COM CL A | 7.69M | SH | $15.00M 3.29% | 7.69M | 0.00 | 0.00 |
TOURMALINE BIO INCSOLE | COM | 905K | SH | $14.47M 3.18% | 905K | 0.00 | 0.00 |
KALVISTA PHARMACEUTICALS INCSOLE | COM | 1.27M | SH | $14.40M 3.16% | 1.27M | 0.00 | 0.00 |
MIND MEDICINE MINDMED INCSOLE | COM NEW | 2.13M | SH | $13.82M 3.03% | 2.13M | 0.00 | 0.00 |
CENTESSA PHARMACEUTICALS PLCSOLE | SPONSORED ADS | 1.03M | SH | $13.53M 2.97% | 1.03M | 0.00 | 0.00 |
PHARVARIS N VSOLE | COM | 672.60K | SH | $11.84M 2.60% | 672.60K | 0.00 | 0.00 |
KYMERA THERAPEUTICS INCSOLE | COM | 266K | SH | $11.61M 2.55% | 266K | 0.00 | 0.00 |
ABIVAX SASOLE | SPONSORED ADS | 1.27M | SH | $9.69M 2.13% | 1.27M | 0.00 | 0.00 |
DBV TECHNOLOGIES S ASOLE | SPONSORED ADS | 1.02M | SH | $9.31M 2.04% | 1.02M | 0.00 | 0.00 |
CORBUS PHARMACEUTICALS HLDGSSOLE | COM NEW | 1.11M | SH | $7.69M 1.69% | 1.11M | 0.00 | 0.00 |
MOONLAKE IMMUNOTHERAPEUTICSSOLE | CLASS A ORD | 148K | SH | $6.99M 1.53% | 148K | 0.00 | 0.00 |
UNICYCIVE THERAPEUTICS INCSOLE | COM NEW | 1M | SH | $4.77M 1.05% | 1M | 0.00 | 0.00 |
NEUROGENE INCSOLE | COM | 303K | SH | $4.53M 0.99% | 303K | 0.00 | 0.00 |
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