CUSIP 046513107Common StockATRAQ3 2025
53 filings · latest Jan 14, 2026
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Alexis Investment Partners, LLC | 15 | $215 |
| 4 | May 16, 2025 | Adiumentum Capital Fund I LP | 13D/A | 20.0% | — | SEC |
| 5 | Sep 13, 2024 | Redmile Group, LLC | 13G/A | 9.9% | 579.5K | SEC |
| 6 | Sep 5, 2024 | Adiumentum Capital Fund I LP | 13D/A | 20.0% | 1.13M | SEC |
| 7 | Jul 8, 2024 | Blackrock Inc. | 13G/A | — | — | SEC |
| 8 | May 22, 2024 | Adiumentum Capital Fund I LP | 13D | 6.7% | 8.07M | SEC |
| 9 | Mar 18, 2024 | Citadel Advisors LLC | 13G | 6.4% | — | SEC |
| 10 | Feb 14, 2024 | Maverick Capital Ltd | 13G/A | — | — | SEC |
See the full Schedule 13D/13G history for Atara Biotherapeutics Inc.
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