BIOS Capital Management, LP
CIK
1813845
Location
Fort Worth, TX
Portfolio Value
Micro
$52,866,301
Diversification
Highly concentrated
Filing Date
Global Rank
#6,405
/ 8,232
▼ 408
Top Industry
Biotechnology
100.0%
3Y Alpha vs SPY
-60.4%
Period ended 2 months ago
Filed May 13, 2026 · 32d
6 quarters · since Dec 2024
Clone Performance
Feb 2025–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
-52.8%
SPY
+23.4%
Annualised alpha
-60.4%
Max drawdown
−68.7%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
6 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
52.1%
−22.4 pts
Top 5
99.5%
+0.2 pts
Top 10
100.0%
0.0 pts
HHI
3,822
Highly concentrated−1,916
Portfolio Trend
6 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Healthcare | 100.0% | $52,866,301 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increased
1 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| RNTX | Rein Therapeutics, Inc. | +291,624 | 1,982,375 | $2,577,087 | |
| No positions match the current search. | |||||
New Positions
Positions the filer opened this quarterNo qualifying positions this quarter.
Sold Out
Positions the filer fully exitedNo qualifying positions this quarter.
6 positions ·
$52,866,301 total
· as of Mar 31, 2026
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| INAB |
In8bio, Inc.
Healthcare
|
Reduced | 167,805 | $248,351 | 0.47% | |
| LTRN |
Lantern Pharma Inc.
Healthcare
|
Reduced | 864,435 | $1,184,275 | 2.24% | |
| RNTX |
Rein Therapeutics, Inc.
Healthcare
|
Added | 1,982,375 | $2,577,087 | 4.87% | |
| CGTX |
Cognition Therapeutics Inc
Healthcare
|
Held | 6,000,000 | $4,559,999 | 8.63% | |
| IRD |
Opus Genetics, Inc.
Healthcare
|
Held | 3,683,429 | $16,759,601 | 31.70% | |
| ACTU |
Actuate Therapeutics, Inc.
Healthcare
|
Held | 10,049,996 | $27,536,988 | 52.09% |