1 institutions reported holding $276 of ATARA BIOTHERAPEUTICS IN (ATRA) in SEC 13F filings for 2026-06-30. Largest institutional holders: KERR FINANCIAL PLANNING Corp ($276). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | KERR FINANCIAL PLANNING Corp | $276 | 24 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30