Atara BiotherapeuticsATRA
13F holders, Q1 2026 (March 31)1holders
0new positions
0sold out
$4.71avg. 13F price*
At the end of Q1 2026, 1 institutions reported holding Atara Biotherapeutics Inc. (ATRA) in their 13F filings, unchanged from Q3 2025. 0 opened new positions and 0 sold out. The largest holder was PlanVest Financial, Inc ($132).
- Company
- Atara Biotherapeutics Inc.
- CUSIP
- 046513107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 0 | $0 |
Ownership 1 holders
| PlanVest Financial, Inc | 0.00% | — | 28 | $132 |
"% of holder's portfolio" is ATRA's weight in each manager's 13F, not the share of Atara Biotherapeutics Inc. the manager owns.