Institutional Ownership
Athira Pharma Inc
CUSIP 04746L203COMLONAQ1 2026
13D / 13G Filings
5
Schedule 13D/13G on record
Beneficial Filers
2
Distinct reporting persons
Largest Stake
20.1%
Max % of class reported
Institutional Holders
36
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
5 filings · latest Feb 6, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 6, 2026 | Baselake Partners, LP | 13G/A | 1.9% | 75.8K | SEC |
| 2 | Jan 16, 2026 | Perceptive Advisors LLC | 13D/A | 20.0% | — | SEC |
| 3 | Dec 23, 2025 | Perceptive Advisors LLC | 13D/A | 20.1% | — | SEC |
| 4 | Dec 22, 2025 | Perceptive Advisors LLC | 13D/A | 13.9% | — | SEC |
| 5 | Nov 14, 2025 | Baselake Partners, LP | 13G | 5.0% | 197.5K | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Perceptive Advisors LLC | 1.86M | $19.11M |
| 2 | Adar1 Capital Management, LLC | 727.5K | $7.48M |
| 3 | Acorn Capital Advisors, LLC | 634.5K | $6.52M |
| 4 | Nea Management Company, LLC | 464.4K | $4.77M |
| 5 | Commodore Capital LP | 464.4K | $4.77M |
| 6 | Tcg Crossover Management, LLC | 464.4K | $4.67M |
| 7 | Kalehua Capital Management LLC | 393.7K | $4.05M |
| 8 | Spruce Street Capital LP | 393.7K | $3.84M |
| 9 | Seven Fleet Capital Management LP | 164.7K | $1.69M |
| 10 | Simplify Asset Management Inc. | 149.3K | $1.53M |