Atara Biotherapeutics, Inc.
ATRA- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001604464
In the last 90 days, Atara Biotherapeutics, Inc. insiders filed 1 open-market purchase and 1 sale; 36 institutions reported holding it in 13F filings for Q2 2026, worth $51.3M in total; no superinvestor holds it.
13F holders, Q1 2025
Institutional positions in Atara Biotherapeutics, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 37
- −6 vs. Q4 2024
- Shares held
- 2.09M
- −281.6K (−11.9%) vs. Q4 2024
- Total value
- $12.4M
- −$19.1M (−60.7%) vs. Q4 2024
- New holders
- 5
- 8 more added
- Sold out
- 11
- 13 more reduced
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATRA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 36 | $51.3M |
| Q1 2026 | 33 | $12.1M |
| Q4 2025 | 41 | $37.1M |
| Q3 2025 | 37 | $27.0M |
| Q2 2025 | 32 | $13.9M |
| Q1 2025 | 37 | $12.4M |
| Q4 2024 | 43 | $31.5M |
| Q3 2024 | 35 | $19.6M |
| Q2 2024 | 48 | $24.1M |
| Q1 2024 | 82 | $57.8M |
| Q4 2023 | 91 | $33.2M |
| Q3 2023 | 109 | $130.5M |
| Q2 2023 | 118 | $145.8M |
| Q1 2023 | 125 | $297.8M |
| Q4 2022 | 139 | $319.3M |
| Q3 2022 | 155 | $376.2M |
| Q2 2022 | 134 | $777.4M |
| Q1 2022 | 145 | $909.5M |
| Q4 2021 | 139 | $1.50B |
| Q3 2021 | 140 | $1.61B |
| Q2 2021 | 145 | $1.34B |
| Q1 2021 | 151 | $1.24B |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Barclays PLC | 1 | $6 | 0.00% | +1 | New |
| Advisor Group Holdings, Inc. | 10 | $59 | 0.00% | −600−98.4% | Reduced |
| BNP Paribas Arbitrage, SA | 50 | $297 | 0.00% | −11−18.0% | Reduced |
| Group One Trading, L.P. | 148 | $879 | 0.00% | −246−62.4% | Reduced |
| Rhumbline Advisers | 175 | $1.04K | 0.00% | 00.0% | Unchanged |
| Banque Transatlantique SA | 176 | $1.04K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 180 | $1.07K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 185 | $1.10K | 0.00% | +115+164.3% | Added |
| Raiffeisen Bank International AG | 200 | $1.19K | 0.00% | +200 | New |
| JPMorgan Chase & Co | 216 | $1.28K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 368 | $2.00K | 0.00% | −76−17.1% | Reduced |
| Russell Investments Group, Ltd. | 368 | $2.19K | 0.00% | −351−48.8% | Reduced |
| Boston Private Wealth LLC | 421 | $2.50K | 0.00% | +421 | New |
| Jones Financial Companies LLLP | 703 | $4.59K | 0.00% | +500+246.3% | Added |
| Royal Bank of Canada | 850 | $5.00K | 0.00% | +767+924.1% | Added |
| Wells Fargo & Company | 951 | $5.65K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1,404 | $8.34K | 0.00% | −12−0.8% | Reduced |
| Northern Trust Corp | 11,170 | $66.3K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 11,828 | $70.3K | 0.00% | −16,523−58.3% | Reduced |
| Bridgeway Capital Management, LLC | 14,000 | $83.2K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 17,157 | $101.9K | 0.00% | −9,542−35.7% | Reduced |
| Renaissance Technologies LLC | 17,436 | $103.6K | 0.00% | −49,704−74.0% | Reduced |
| Gsa Capital Partners LLP | 19,385 | $115.0K | 0.01% | +19,385 | New |
| Birchview Capital, LP | 22,000 | $130.7K | 0.11% | 00.0% | Unchanged |
| UBS Group AG | 24,334 | $144.5K | 0.00% | +23,500+2,817.7% | Added |
| State Street Corp | 25,253 | $150.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 41,014 | $243.6K | 0.00% | +41,014 | New |
| Geode Capital Management, LLC | 58,679 | $348.6K | 0.00% | +3,935+7.2% | Added |
| BlackRock, Inc. | 60,798 | $361.1K | 0.00% | −48−0.1% | Reduced |
| Tang Capital Management LLC | 75,196 | $446.7K | 0.02% | 00.0% | Unchanged |
| Staley Capital Advisers Inc | 80,000 | $475.2K | 0.02% | +30,000+60.0% | Added |
| Vestal Point Capital, LP | 94,085 | $558.9K | 0.04% | −30,915−24.7% | Reduced |
| Acadian Asset Management LLC | 115,111 | $682.0K | 0.00% | −9,362−7.5% | Reduced |
| Bank of America Corp | 187,297 | $1.11M | 0.00% | −17,873−8.7% | Reduced |
| Vanguard Group Inc | 190,761 | $1.13M | 0.00% | +11,979+6.7% | Added |
| Redmile Group, LLC | 441,701 | $2.62M | 0.25% | 00.0% | Unchanged |
| EcoR1 Capital, LLC | 573,183 | $3.40M | 0.20% | +41,049+7.7% | Added |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −267,353−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −24,958−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −12,682−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −10,133−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −3,603−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −240−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −68−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −56−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Alexis Investment Partners, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −2−100.0% | Sold out |