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, Q3 2021
Institutional positions in Atara Biotherapeutics, Inc. as of Sep 30, 2021. 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
- 140
- −4 vs. Q2 2021
- Shares held
- 89.7M
- +3.75M (+4.4%) vs. Q2 2021
- Total value
- $1.61B
- +$269.1M (+20.1%) vs. Q2 2021
- New holders
- 15
- 53 more added
- Sold out
- 19
- 46 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Two Sigma Investments, LP | 246,136 | $4.41M | 0.01% | −237,314−49.1% | Reduced |
| Staley Capital Advisers Inc | 250,000 | $4.47M | 0.24% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 250,253 | $4.48M | 0.02% | +51,527+25.9% | Added |
| Citigroup Inc | 270,849 | $4.85M | 0.00% | −158,495−36.9% | Reduced |
| Deutsche Bank AG | 274,397 | $4.91M | 0.00% | −1,378−0.5% | Reduced |
| Renaissance Technologies LLC | 281,679 | $5.04M | 0.01% | −617,021−68.7% | Reduced |
| Bank of New York Mellon Corp | 303,031 | $5.42M | 0.00% | +25,985+9.4% | Added |
| Barclays PLC | 303,183 | $5.43M | 0.00% | −4,685−1.5% | Reduced |
| Lion Point Capital, LP | 350,465 | $6.27M | 1.66% | +350,465 | New |
| Two Sigma Advisers, LP | 444,400 | $7.96M | 0.02% | −205,800−31.7% | Reduced |
| Pinnacle Associates Ltd | 451,827 | $8.09M | 0.15% | −15,120−3.2% | Reduced |
| Pacific Heights Asset Management LLC | 525,000 | $9.40M | 0.89% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 584,529 | $10.5M | 0.00% | +4,429+0.8% | Added |
| Alberta Investment Management Corp | 598,330 | $10.7M | 0.09% | −266,300−30.8% | Reduced |
| Norges Bank | 750,614 | $13.4M | 0.00% | −22,533−2.9% | Reduced |
| Ameriprise Financial Inc | 751,973 | $13.5M | 0.00% | +10,383+1.4% | Added |
| D. E. Shaw & Co., Inc. | 831,907 | $14.9M | 0.02% | +13,376+1.6% | Added |
| Northern Trust Corp | 843,249 | $15.1M | 0.00% | −28,558−3.3% | Reduced |
| Credit Suisse AG | 860,739 | $15.4M | 0.01% | −370,055−30.1% | Reduced |
| Dimensional Fund Advisors LP | 910,928 | $16.3M | 0.01% | −429,817−32.1% | Reduced |
| Bridger Management, LLC | 926,588 | $16.6M | 1.94% | −398,600−30.1% | Reduced |
| Antipodean Advisors LLC | 1,050,000 | $18.8M | 5.32% | +50,000+5.0% | Added |
| Nuveen Asset Management, LLC | 1,060,739 | $19.0M | 0.01% | −86,968−7.6% | Reduced |
| Geode Capital Management, LLC | 1,472,822 | $26.4M | 0.00% | −41,502−2.7% | Reduced |
| Artal Group S.A. | 1,500,000 | $26.9M | 0.66% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 1,509,728 | $27.0M | 0.11% | +12,804+0.9% | Added |
| 683 Capital Management, LLC | 1,781,234 | $31.9M | 1.65% | +1,103,551+162.8% | Added |
| KPCB XV Associates, LLC | 1,876,650 | $33.6M | 25.09% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 2,318,300 | $41.5M | 0.20% | +1,578,400+213.3% | Added |
| Morgan Stanley | 2,809,760 | $50.3M | 0.01% | −225,987−7.4% | Reduced |
| Goldman Sachs Group Inc | 2,874,277 | $51.5M | 0.01% | +276,567+10.6% | Added |
| Wasatch Advisors Inc | 2,907,511 | $52.0M | 0.21% | +519,273+21.7% | Added |
| State Street Corp | 3,780,897 | $67.7M | 0.00% | −590,959−13.5% | Reduced |
| FMR LLC | 4,482,546 | $80.2M | 0.01% | +3,044,774+211.8% | Added |
| Redmile Group, LLC | 6,466,277 | $115.7M | 2.02% | +16,700+0.3% | Added |
| Vanguard Group Inc | 6,800,583 | $121.7M | 0.00% | +96,442+1.4% | Added |
| BlackRock Inc. | 7,651,591 | $137.0M | 0.00% | −68,440−0.9% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 7,855,824 | $140.6M | 1.55% | +151,148+2.0% | Added |
| JPMorgan Chase & Co | 8,015,817 | $143.5M | 0.02% | +501,255+6.7% | Added |
| Baupost Group LLCSuperinvestorBaupost Group | 8,477,488 | $151.7M | 1.39% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −165,000−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −116,722−100.0% | Sold out |
| Alpha Paradigm Partners, LLC | 0 | $0 | 0.00% | −97,980−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −77,177−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −79,784−100.0% | Sold out |
| Copernicus Capital Management, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −26,559−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −22,451−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −21,330−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −20,898−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −19,606−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −17,335−100.0% | Sold out |
| Private Capital Advisors, Inc. | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,680−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −12,438−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −11,913−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −10,635−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −1,745−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −309−100.0% | Sold out |
| QS Investors, LLC | – | – | – | – | Not filed |