BIOS Capital Management, LP — 13F Holdings & Portfolio
CIK 1813845 · latest 13F-HR filed 2026-08-14
BIOS Capital Management, LP manages $41.7M in 13F-reported U.S. long-equity assets across 9 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are IRD (36.33%), ACTU (31.55%), CGTX (15.18%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 0, added to 2, and trimmed 4.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
SUITE 400
FORT WORTH, TX 76107
$41.7M
Long-equity book
9
Distinct positions
2026-06-30
Filed 2026-08-14
+0 / −0 / ↑2 / ↓4
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- COGNITION THERAPEUTICS INC$2.3M +51.3%
- REIN THERAPEUTICS INC$524.6K +20.4%
Top Trims
- ACTUATE THERAPEUTICS INC-$12.2M -44.2%
- OPUS GENETICS INC-$1.6M -9.7%
- LANTERN PHARMA INC-$144.3K -12.2%
- IN8BIO INC-$134.2K -54.0%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | OPUS GENETICS INC | IRD | 67577R102 | $15.1M | 36.33% | 3,683,429 | SH |
| 2 | ACTUATE THERAPEUTICS INC | ACTU | 005083100 | $13.1M | 31.55% | 8,594,141 | SH |
| 3 | COGNITION THERAPEUTICS INC | CGTX | 19243B102 | $6.3M | 15.18% | 5,499,905 | SH |
| 4 | ACTUATE THERAPEUTICS INC | ACTU | 005083100 | $2.2M | 5.35% | 1,455,855 | SH |
| 5 | REIN THERAPEUTICS INC | RNTX | 00887A204 | $1.8M | 4.39% | 1,758,375 | SH |
| 6 | REIN THERAPEUTICS INC | RNTX | 00887A204 | $1.3M | 3.05% | 1,224,000 | SH |
| 7 | LANTERN PHARMA INC | LTRN | 51654W101 | $1.0M | 2.50% | 249,397 | SH |
| 8 | COGNITION THERAPEUTICS INC | CGTX | 19243B102 | $575.1K | 1.38% | 500,095 | SH |
| 9 | IN8BIO INC | INAB | 45674E208 | $114.1K | 0.27% | 80,957 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $41.7M | 9 | 0001813845-26-000004 |
| 2026-03-31 | 2026-05-13 | $52.9M | 10 | 0001813845-26-000003 |
| 2025-12-31 | 2026-02-13 | $82.6M | 9 | 0001813845-26-000002 |
| 2025-09-30 | 2025-11-12 | $88.9M | 9 | 0001104659-25-110482 |