Octagon Capital Advisors LP

CIK: 0001839435SEC EDGAR →

Portfolio Value

$823.7B

Holdings

27

As of

Q4 2025

New Positions

4

Closed Positions

8

Portfolio Value History

Top 10 Holdings

RankStockSharesValue% of Portfolio
1

ABIVAX SA

756,000$102.0B
12.38%
2

DIANTHUS THERAPEUTICS INC

2,416,667$99.6B
12.09%
3

COGENT BIOSCIENCES INC

2,350,000$83.5B
10.13%
4

TAYSHA GENE THERAPIES INC

8,859,911$48.7B
5.92%
5

GOSSAMER BIO INC

13,915,371$43.1B
5.24%
6

KYMERA THERAPEUTICS INC

535,000$41.6B
5.05%
7

ARRIVENT BIOPHARMA INC

1,971,054$39.7B
4.81%
8

TREVI THERAPEUTICS INC

2,815,000$35.2B
4.28%
9

OCULAR THERAPEUTIX INC

2,623,600$31.9B
3.87%
10

MIND MEDICINE MINDMED INC

2,230,000$29.9B
3.63%

Quarterly Changes

Top Buys

CGONNEW
$24.9B
ALMSNEW
$24.7B
PALINEW
$22.5B
CDTXNEW
$22.1B
KYMR↑ Increased
$21.3B

Top Sells

COGT↓ Decreased
$42.2B
MRUSCLOSED
$29.0B
CDTXCLOSED
$28.7B
APLSCLOSED
$20.4B
TSHA↓ Decreased
$19.1B

New Positions (9)

$24.9B · 600K shares
$24.7B · 2.5M shares
$22.5B · 9.6M shares
$22.1B · 100K shares
$21.1B · 1.6M shares
$19.4B · 574K shares
$17.1B · 1.7M shares
$8.6B · 500K shares
$8.0B · 1.9M shares

Closed Positions (8)

$29.0B · 308K shares
$28.7B · 300K shares
$20.4B · 904K shares
$9.7B · 2.6M shares
$4.6B · 178K shares
$4.4B · 252K shares
$3.2B · 115K shares
$385.2M · 104K shares

Sector Breakdown

Sector# HoldingsValue%
Healthcare25$771.7B93.7%
Unknown2$51.9B6.3%