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 2023
Institutional positions in Atara Biotherapeutics, Inc. as of Mar 31, 2023. 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
- 125
- −14 vs. Q4 2022
- Shares held
- 102.7M
- +5.35M (+5.5%) vs. Q4 2022
- Total value
- $297.8M
- −$21.5M (−6.7%) vs. Q4 2022
- New holders
- 8
- 52 more added
- Sold out
- 22
- 42 more reduced
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Lake Street Advisors Group, LLC | 11,560 | $34.0K | 0.00% | +11,560 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,676 | $33.9K | 0.00% | −1,793−13.3% | Reduced |
| Amalgamated Bank | 10,193 | $30.0K | 0.00% | −1,761−14.7% | Reduced |
| Victory Capital Management Inc | 10,318 | $29.9K | 0.00% | +37+0.4% | Added |
| Captrust Financial Advisors | 10,306 | $29.9K | 0.00% | +10,306 | New |
| Tower Research Capital LLC (TRC) | 9,041 | $26.0K | 0.00% | +6,958+334.0% | Added |
| Amundi | 7,339 | $20.4K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,782 | $19.7K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 5,711 | $16.6K | 0.00% | +5,711 | New |
| Metropolitan Life Insurance Co | 5,162 | $15.0K | 0.00% | −654−11.2% | Reduced |
| Advisor Group Holdings, Inc. | 4,589 | $13.3K | 0.00% | −66−1.4% | Reduced |
| Itau Unibanco Holding S.A. | 4,280 | $12.4K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 4,301 | $12.0K | 0.00% | −11,085−72.0% | Reduced |
| Great West Life Assurance Co | 3,275 | $9.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 2,698 | $7.82K | 0.00% | −760−22.0% | Reduced |
| Nisa Investment Advisors, LLC | 1,450 | $4.00K | 0.00% | −2,900−66.7% | Reduced |
| China Universal Asset Management Co., Ltd. | 1,300 | $3.77K | 0.00% | +336+34.9% | Added |
| US Bancorp | 1,061 | $3.08K | 0.00% | −2,288−68.3% | Reduced |
| Cutler Group LP | 1,200 | $3.00K | 0.00% | +1,200 | New |
| Parallel Advisors, LLC | 629 | $1.82K | 0.00% | −417−39.9% | Reduced |
| Advisory Services Network, LLC | 147 | $426 | 0.00% | −17−10.4% | Reduced |
| Lindbrook Capital, LLC | 119 | $345 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 49 | $142 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 133 | $0 | 0.00% | −558−80.8% | Reduced |
| IFP Advisors, Inc | 2,400 | – | – | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −601,005−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −462,308−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −208,100−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −183,283−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −92,629−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −65,659−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −55,997−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −44,751−100.0% | Sold out |
| Alpine Global Management, LLC | 0 | $0 | 0.00% | −35,475−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −34,728−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −28,652−100.0% | Sold out |
| Globeflex Capital L P | 0 | $0 | 0.00% | −25,783−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −18,819−100.0% | Sold out |
| Beacon Pointe Advisors, LLC | 0 | $0 | 0.00% | −11,000−100.0% | Sold out |
| Running Point Capital Advisors, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −8,300−100.0% | Sold out |
| Hall Laurie J Trustee | 0 | $0 | 0.00% | −235−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −170−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −107−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −15−100.0% | Sold out |