Is Atara Biotherapeutics, Inc. (ATRA) a Buy, Sell, or Hold?
NASDAQ : ATRA
Atara Biotherapeutics, Inc. — Institutional Ownership
$8.94 USD
$0.33 (3.83%)
- Volume
- 29.23K
- Average Volume
- 1.43M
- Market Capitalization
- $80.55M
- P/E Ratio
- -13.55
- Dividend Yield
- 0.00%
- Price Target
- $13.00
- Year High
- $19.15
- Year Low
- $3.92
- Day High
- —
- Day Low
- —
- Payout Ratio
- $0.00
- Current Ratio
- $2.16
Institutional Ownership Summary
Institutional Ownership %
0.80%
Investors Holding
8
change: -26.0 | last: 34
Increased Positions
3
change: -14.0 | last: 17
Reduced Positions
1
change: -2.0 | last: 3
New Positions
1
change: -6.0 | last: 7
Sold Positions
27
change: 12.0 | last: 15
Total Calls
200
Total Puts
-
Put-Call Ratio
0.00
change: 0.0 | last: 0
Total Invested
1.3M
Beneficial Ownership Filings
| Filing Date | Reporting Person | Amount Beneficially Owned | % of Class |
|---|---|---|---|
| 2026-07-24 | Redmile Group, LLC | 950.99K | 9.90% |
| 2026-07-24 | Redmile Strategic Long Only Trading Sub, Ltd. | 401.9K | 4.20% |
| 2026-07-24 | Redmile Biopharma Investments II, L.P. | 631.02K | 6.60% |
| 2026-07-24 | Green Jeremy | 950.99K | 9.90% |
| 2026-05-14 | Redmile Biopharma Investments II, L.P. | 651.92K | 6.90% |
| 2026-05-14 | Redmile Group, LLC | 950.99K | 9.90% |
| 2026-05-14 | Jeremy C. Green | 950.99K | 9.90% |
| 2026-05-14 | Redmile Strategic Long Only Trading Sub, Ltd. | 576.15K | 6.10% |
| 2026-05-13 | Adage Capital Management, L.P. | 700K | 8.56% |
| 2026-05-11 | Panacea Venture Healthcare Fund II, L.P. | 1.01M | 12.40% |
| 2026-05-11 | Panacea Innovation Limited | 1.32M | 16.10% |
| 2026-05-11 | James Huang | 1.32M | 16.10% |
| 2026-05-11 | Panacea Opportunity Fund I, L.P. | 307.9K | 3.80% |
| 2026-05-11 | Panacea Opportunity Fund I GP Company, Ltd. | 307.9K | 3.80% |
| 2026-05-11 | Panacea Venture Healthcare Fund II GP Company, Ltd. | 1.01M | 12.40% |
| 2026-05-08 | Point72 Asset Management, L.P. | 526.68K | 6.20% |
| 2026-05-07 | EcoR1 Capital, LLC | 1.55M | 17.40% |
| 2026-01-14 | Panacea Innovation Limited | 1.63M | 19.99% |
| 2026-01-14 | Panacea Venture Healthcare Fund II, L.P. | 1.32M | 18.20% |
| 2026-01-14 | Panacea Venture Healthcare Fund II GP Company, Ltd. | 1.32M | 18.20% |
| 2026-01-14 | Panacea Opportunity Fund I GP Company, Ltd. | 307.9K | 4.10% |
| 2026-01-14 | Panacea Opportunity Fund I, L.P. | 307.9K | 4.10% |
| 2026-01-14 | James Huang | 1.63M | 19.99% |
| 2025-11-14 | RedCo I, L.P. | 347.44K | 4.70% |
| 2025-11-14 | Redmile Strategic Long Only Trading Sub, Ltd. | 376.38K | 5.00% |
| 2025-11-14 | Redmile Biopharma Investments II, L.P. | 452.15K | 6.00% |
| 2025-11-14 | Jeremy C. Green | 751.22K | 9.90% |
| 2025-11-14 | Redmile Group, LLC | 751.22K | 9.90% |
| 2025-11-14 | EcoR1 Capital, LLC | 715.85K | 9.90% |
| 2025-08-19 | Panacea Innovation Limited | 1.71M | 20.00% |
| 2025-08-19 | James Huang | 1.71M | 20.00% |
| 2025-08-19 | Panacea Opportunity Fund I GP Company, Ltd. | 307.9K | 4.20% |
| 2025-08-19 | Panacea Opportunity Fund I, L.P. | 307.9K | 4.20% |
| 2025-08-19 | Panacea Venture Healthcare Fund II GP Company, Ltd. | 1.4M | 20.00% |
| 2025-08-19 | Panacea Venture Healthcare Fund II, L.P. | 1.4M | 20.00% |
| 2025-05-23 | RedCo I, L.P. | 347.44K | 5.00% |
| 2025-05-23 | Redmile Group, LLC | 705.21K | 9.90% |
| 2025-05-23 | Redmile Biopharma Investments II, L.P. | 406.14K | 5.80% |
| 2025-05-23 | Jeremy C. Green | 705.21K | 9.90% |
| 2025-05-21 | Panacea Venture Healthcare Fund II, L.P. | 1.33M | 19.58% |
| 2025-05-21 | James Huang | 1.64M | 19.99% |
| 2025-05-21 | Panacea Opportunity Fund I, L.P. | 307.9K | 4.33% |
| 2025-05-21 | Panacea Venture Healthcare Fund II GP Company, Ltd. | 1.33M | 19.58% |
| 2025-05-21 | Panacea Opportunity Fund I GP Company, Ltd. | 307.9K | 4.33% |
| 2025-05-21 | Panacea Innovation Limited | 1.64M | 19.99% |
| 2025-05-16 | Adiumentum Capital Fund I GP LLC | 1.37M | 19.99% |
| 2025-05-16 | Gregory A. Ciongoli | 1.37M | 19.99% |
| 2025-05-16 | Adiumentum Capital Fund I LP | 1.37M | 19.99% |
| 2025-05-15 | Redmile Group, LLC | 601.24K | 9.90% |
| 2025-02-06 | Panacea Venture Healthcare Fund II, L.P. | 550K | 9.50% |
| 2024-05-22 | Adiumentum Capital Fund I LP | 8.07M | 6.70% |
| 2024-05-22 | Gregory A. Ciongoli | 8.07M | 6.70% |
| 2024-05-22 | Adiumentum Capital Fund I GP LLC | 8.07M | 6.70% |
| 2024-03-18 | Citadel Advisors Holdings LP | 6.0 | 6.40% |
| 2023-11-21 | Oleg Nodelman | 10.07M | 11.00% |
| 2023-11-21 | EcoR1 Capital Fund Qualified, L.P. | 9.5M | 11.00% |
| 2023-11-21 | EcoR1 Capital, LLC | 10.07M | 11.00% |
| 2023-02-08 | Wasatch Advisors LP 87-0319391 | 8.39M | 8.80% |
| 2023-02-07 | GOLDMAN SACHS & CO. LLC | 6.11M | 6.40% |
| 2023-02-07 | THE GOLDMAN SACHS GROUP, INC. | 6.11M | 6.40% |
| 2023-02-03 | STATE STREET CORPORATION | 7.65M | 8.06% |
| 2023-02-03 | SSGA FUNDS MANAGEMENT, INC. | 5.36M | 5.65% |
| 2022-03-11 | 75-2482446 | 7.86M | 8.40% |
| 2022-03-11 | 75-2686461 | 7.86M | 8.40% |
| 2022-03-11 | III | 7.86M | 8.40% |
| 2022-02-14 | Point72 Hong Kong Limited | 1630.0 | 4.00% |
| 2022-02-14 | Point72 Asset Management, L.P. | 4.61M | 4.00% |
| 2022-02-15 | Ltd. – 75-2482446 | 7.86M | 8.90% |
| 2022-02-14 | Steven A. Cohen | 4.63M | 4.00% |
| 2022-02-15 | III | 7.86M | 8.90% |
| 2022-02-14 | Cubist Systematic Strategies, LLC | 18823.0 | 4.00% |
| 2022-02-14 | Redmile Group, LLC | 9.1M | 9.90% |
| 2022-02-15 | Management, LLC – 75-2686461 | 7.86M | 8.90% |
| 2022-02-14 | Point72 Capital Advisors, Inc. | 4.61M | 4.00% |
| 2022-02-14 | Jeremy C. Green | 9.1M | 9.90% |
| 2022-02-09 | The Baupost Group, L.L.C.04-3402144 | 8.12M | 9.19% |
| 2022-02-09 | The Vanguard Group - 23-1945930 | 7.08M | 8.00% |
| 2022-02-09 | Baupost Group GP, L.L.C.82-3254604 | 8.12M | 9.19% |
| 2022-02-09 | Seth A. Klarman | 8.12M | 9.19% |
| 2022-02-03 | (1) BlackRock, Inc. | 7.82M | 8.80% |
| 2022-01-07 | JPMORGAN CHASE & CO.13-2624428 | 7.43M | 8.30% |
| 2021-12-21 | Point72 Asset Management, L.P. | 4.55M | 4.00% |
| 2021-12-21 | Point72 Capital Advisors, Inc. | 4.55M | 4.00% |
| 2021-12-21 | Cubist Systematic Strategies, LLC | 15564.0 | 4.00% |
| 2021-12-21 | Point72 Hong Kong Limited | 2954.0 | 4.00% |
| 2021-12-21 | Steven A. Cohen | 4.57M | 4.00% |
| 2021-02-16 | Redmile Group, LLC | 7.86M | 9.90% |
| 2021-02-16 | ROBERTO MIGNONE | 1.52M | 1.80% |
| 2021-02-16 | 75-2686461 | 7.32M | 8.90% |
| 2021-02-16 | 75-2482446 | 7.32M | 8.90% |
| 2021-02-16 | Jeremy C. Green | 7.86M | 9.90% |
| 2021-02-16 | Warford | 7.32M | 8.90% |
| 2021-02-16 | III | 7.32M | 8.90% |
| 2021-02-16 | BRIDGER MANAGEMENT, LLC | 1.52M | 1.80% |
| 2021-02-12 | The Baupost Group, L.L.C.04-3402144 | 9.11M | 11.07% |
| 2021-01-29 | (1) BlackRock, Inc. | 6.45M | 7.80% |
| 2021-01-08 | JPMORGAN CHASE & CO.13-2624428 | 6.03M | 7.30% |
| 2020-02-14 | Jeremy C. Green | 5.49M | 9.90% |
| 2020-02-14 | Maverick Capital, Ltd. – 75-2482446 | 4.96M | 9.20% |
| 2020-02-14 | ROBERTO MIGNONE | 2.93M | 5.40% |
| 2020-02-14 | BRIDGER MANAGEMENT, LLC | 2.93M | 5.40% |
| 2020-02-14 | Andrew H. Warford | 4.96M | 9.20% |
| 2020-02-14 | Lee S. Ainslie III | 4.96M | 9.20% |
| 2020-02-14 | Maverick Capital Management, LLC – 75-2686461 | 4.96M | 9.20% |
| 2020-02-14 | Redmile Group, LLC | 5.49M | 9.90% |
| 2020-02-13 | The Baupost Group, L.L.C.04-3402144 | 8.31M | 15.34% |
| 2020-02-13 | Baupost Group GP, L.L.C.82-3254604 | 8.31M | 15.34% |
| 2020-02-13 | Seth A. Klarman | 8.31M | 15.34% |
| 2020-02-12 | The Vanguard Group - 23-1945930 | 3.68M | 6.79% |
| 2020-02-05 | (1) BlackRock, Inc. | 4.58M | 8.50% |
| 2019-11-01 | ROBERTO MIGNONE | 2.93M | 5.50% |
| 2019-11-01 | BRIDGER MANAGEMENT, LLC | 2.93M | 5.50% |
| 2019-02-14 | Jeremy C. Green | 4.41M | 9.70% |
| 2019-02-14 | ArrowMark Colorado Holdings LLC | 1.49M | 3.30% |
| 2019-02-14 | ROBERTO MIGNONE | 2.21M | 4.80% |
| 2019-02-14 | BRIDGER HEALTHCARE, LTD. | 835.96K | 1.80% |
| 2019-02-14 | BLAKE GOODNER | 835.96K | 1.80% |
| 2019-02-14 | Redmile Group, LLC | 4.41M | 9.70% |
| 2019-02-14 | BRIDGER MANAGEMENT, LLC | 2.21M | 4.80% |
| 2019-02-13 | Abigail P. Johnson | 5.27M | 11.55% |
| 2019-02-13 | FMR LLC | 5.27M | 11.55% |
| 2019-02-12 | Morgan Stanley | 1.83M | 4.00% |
| 2019-02-12 | Morgan Stanley Capital Services LLC | 1.74M | 3.80% |
| 2019-02-07 | V-QP, | 1.35M | 2.90% |
| 2019-02-04 | (1) BlackRock, Inc. | 3.51M | 7.70% |
| 2018-09-10 | FMR LLC | 5.66M | 12.49% |
| 2018-04-10 | FMR LLC | 6.2M | 17.70% |
| 2018-04-09 | Baupost Group GP, L.L.C.82-3254604 | 6.25M | 14.51% |
| 2018-04-09 | Seth A. Klarman | 6.25M | 14.51% |
| 2018-04-09 | The Baupost Group, L.L.C.04-3402144 | 6.25M | 14.51% |
| 2018-02-14 | BRIDGER MANAGEMENT, LLC | 2.6M | 8.50% |
| 2018-02-14 | BRIDGER HEALTHCARE, LTD. | 1.77M | 5.80% |
| 2018-02-14 | Redmile Group, LLC | 2.82M | 9.20% |
| 2018-02-14 | ROBERTO MIGNONE | 2.6M | 8.50% |
| 2018-02-14 | JEREMY C. GREEN | 2.82M | 9.20% |
| 2018-02-14 | BLAKE GOODNER | 1.77M | 5.80% |
| 2018-02-13 | Morgan Stanley | 1.74M | 5.60% |
| 2018-02-13 | Morgan Stanley Capital Services LLC | 1.68M | 5.50% |
| 2018-02-12 | FMR LLC | 4.7M | 12.51% |
| 2018-02-09 | FMR LLC | 1.83M | 5.99% |
| 2018-02-09 | ArrowMark Colorado Holdings LLC | 3.15M | 8.40% |
| 2018-02-09 | Abigail P. Johnson | 1.83M | 5.99% |
| 2018-01-29 | (1) BlackRock, Inc. | 1.96M | 6.40% |
| 2018-01-05 | Stephen DuBois | 2.5M | 6.65% |
| 2017-12-08 | CELGENE CORPORATION | 1.15M | 3.80% |
| 2017-12-07 | Morgan Stanley | 1.53M | 5.00% |
| 2017-04-21 | BLAKE GOODNER | 1.52M | 5.20% |
| 2017-04-21 | BRIDGER MANAGEMENT, LLC | 1.52M | 5.20% |
| 2017-04-21 | ROBERTO MIGNONE | 1.52M | 5.20% |
| 2017-04-21 | BRIDGER HEALTHCARE, LTD. | 1.52M | 5.20% |
| 2017-02-14 | Redmile Group, LLC | 2.67M | 9.25% |
| 2017-02-14 | Select Biotechnology Portfolio | 1.98M | 6.86% |
| 2017-02-14 | FMR LLC | 2.78M | 9.64% |
| 2017-02-14 | Abigail P. Johnson | 2.78M | 9.64% |
| 2017-02-14 | JEREMY C. GREEN | 2.67M | 9.25% |
| 2017-02-13 | Arrowpoint Asset Management, LLC | 1.56M | 5.40% |
| 2017-02-07 | 4.9% (2) | 1.4M | 4.90% |
| 2017-01-30 | (1) BlackRock, Inc. | 1.74M | 6.00% |
| 2016-07-11 | FMR LLC | 3.13M | 10.87% |
| 2016-02-16 | Marco Antonio Slim Domit | 616.15K | 2.20% |
| 2016-02-16 | María Soumaya Slim Domit | 616.15K | 2.20% |
| 2016-02-16 | Carlos Slim Helú | 616.15K | 2.20% |
| 2016-02-16 | Vanessa Paola Slim Domit | 616.15K | 2.20% |
| 2016-02-16 | Carlos Slim Domit | 616.15K | 2.20% |
| 2016-02-16 | Redmile Group, LLC | 1.53M | 5.36% |
| 2016-02-16 | JEREMY C. GREEN | 1.53M | 5.36% |
| 2016-02-16 | Inversora Carso, S.A. de C.V., formerly known as Inmobiliaria Carso, S.A. de C.V. | 616.15K | 2.20% |
| 2016-02-16 | Johanna Monique Slim Domit | 616.15K | 2.20% |
| 2016-02-16 | Patrick Slim Domit | 616.15K | 2.20% |
| 2016-02-12 | The Baupost Group, L.L.C.04-3402144 | 5.36M | 18.72% |
| 2016-02-12 | Seth A. Klarman | 5.36M | 18.72% |
| 2016-02-12 | SAK Corporation04-3334541 | 5.36M | 18.72% |
| 2016-01-19 | DP VIII Associates, L.P. | 15890.0 | 0.10% |
| 2016-01-19 | Domain Partners VIII, L.P. | 1.64M | 5.70% |
| 2015-06-10 | FMR LLC | 400.93K | 1.65% |
| 2015-06-10 | Edward C. Johnson 3d | 400.93K | 1.65% |
| 2015-06-10 | Abigail P. Johnson | 400.93K | 1.65% |
| 2015-04-09 | SAK Corporation04-3334541 | 4.76M | 19.55% |
| 2015-04-09 | The Baupost Group, L.L.C.04-3402144 | 4.76M | 19.55% |
| 2015-04-09 | Seth A. Klarman | 4.76M | 19.55% |
| 2015-04-01 | 6.0% (2) | 1.47M | 12.00% |
| 2015-02-17 | Patrick Slim Domit | 1.34M | 6.60% |
| 2015-02-17 | María Soumaya Slim Domit | 1.34M | 6.60% |
| 2015-02-17 | Vanessa Paola Slim Domit | 1.34M | 6.60% |
| 2015-02-17 | Johanna Monique Slim Domit | 1.34M | 6.60% |
| 2015-02-17 | Inmobiliaria Carso, S.A. de C.V. | 1.34M | 6.60% |
| 2015-02-17 | Kleiner Perkins Caufield & Byers XV, LLC (“KPCB XV”) | 2.6M | 12.90% |
| 2015-02-17 | Carlos Slim Domit | 1.34M | 6.60% |
| 2015-02-17 | KPCB XV Associates, LLC | 2.68M | 13.20% |
| 2015-02-17 | S KPCB XV Founders Fund, LLC (“KPCB XV Founders”) | 77622.0 | 0.40% |
| 2015-02-17 | Carlos Slim Helú | 1.34M | 6.60% |
| 2015-02-17 | Marco Antonio Slim Domit | 1.34M | 6.60% |
| 2015-02-13 | Select Biotechnology Portfolio | 1.13M | 5.60% |
| 2015-02-13 | Abigail P. Johnson | 1.35M | 6.67% |
| 2015-02-13 | FMR LLC | 1.35M | 6.67% |
| 2015-02-13 | Edward C. Johnson 3d | 1.35M | 6.67% |
| 2015-02-05 | DP VIII Associates, L.P. | 15890.0 | 0.10% |
| 2015-02-05 | Domain Partners VIII, L.P. | 2.14M | 10.60% |
| 2014-11-10 | Seth A. Klarman | 2.5M | 12.86% |
| 2014-11-10 | SAK Corporation04-3334541 | 2.5M | 12.86% |
| 2014-11-10 | The Baupost Group, L.L.C.04-3402144 | 2.5M | 12.86% |
ATRA Enterprise Value History
Annual
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2025-12-31 | $18.09 | 12.54M | $226.92M | $8.48M | $52.8M | $271.24M |
| 2024-12-31 | $13.31 | 7.49M | $99.67M | $25.03M | $43.83M | $118.47M |
| 2023-12-31 | $12.82 | 4.24M | $54.31M | $25.84M | $57.87M | $86.34M |
| 2022-12-31 | $82.00 | 4.08M | $334.53M | $92.94M | $71.7M | $313.29M |
| 2021-12-31 | $394.00 | 3.75M | $1.48B | $106.08M | $28.27M | $1.4B |
| 2020-12-31 | $490.75 | 2.96M | $1.45B | $200.4M | $15.03M | $1.27B |
| 2019-12-31 | $411.75 | 2.05M | $845.04M | $74.32M | $15.72M | $786.44M |
| 2018-12-31 | $868.50 | 1.75M | $1.52B | $60.7M | $738K | $1.46B |
| 2017-12-31 | $452.50 | 1.19M | $540.52M | $79.22M | -$ | $461.3M |
| 2016-12-31 | $355.00 | 1.15M | $407.99M | $47.97M | -$ | $360.03M |
Quarterly
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4.73 | 14.08M | $66.6M | $8.36M | $10.09M | $68.33M |
| 2025-12-31 | $18.09 | 12.54M | $226.92M | $8.48M | $52.8M | $271.24M |
| 2025-09-30 | $14.33 | 13.56M | $194.37M | $5.74M | $58.6M | $247.23M |
| 2025-06-30 | $7.72 | 12.2M | $94.16M | $16.9M | $17.67M | $94.93M |
| 2025-03-31 | $5.94 | 10.76M | $63.94M | $13.84M | $55.03M | $105.13M |
| 2024-12-31 | $13.31 | 10.69M | $142.28M | $25.03M | $43.83M | $161.08M |
| 2024-09-30 | $8.13 | 7.47M | $60.7M | $46.45M | $65.15M | $79.4M |
| 2024-06-30 | $8.36 | 6.14M | $51.36M | $31.31M | $52.7M | $72.74M |
| 2024-03-31 | $18.13 | 5.62M | $101.95M | $35.09M | $56.23M | $123.1M |
| 2023-12-31 | $12.82 | 4.33M | $55.45M | $25.84M | $57.87M | $87.48M |
| 2023-09-30 | $37.00 | 4.26M | $157.47M | $64.79M | $61.8M | $154.49M |
| 2023-06-30 | $40.25 | 4.2M | $169.21M | $45.9M | $64.71M | $188.02M |