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, Q4 2021
Institutional positions in Atara Biotherapeutics, Inc. as of Dec 31, 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
- 139
- 0 vs. Q3 2021
- Shares held
- 95.2M
- +5.47M (+6.1%) vs. Q3 2021
- Total value
- $1.50B
- −$105.6M (−6.6%) vs. Q3 2021
- New holders
- 15
- 52 more added
- Sold out
- 15
- 47 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Letko, Brosseau & Associates Inc | 15,700 | $247.0K | 0.00% | +15,700 | New |
| Bailard, Inc. | 15,047 | $237.0K | 0.01% | +15,047 | New |
| Teacher Retirement System of Texas | 13,719 | $216.0K | 0.00% | +2,268+19.8% | Added |
| Algert Global LLC | 13,553 | $214.0K | 0.03% | −4,500−24.9% | Reduced |
| Trexquant Investment LP | 13,470 | $212.0K | 0.01% | −13,778−50.6% | Reduced |
| Jane Street Group, LLC | 13,172 | $208.0K | 0.00% | −10,502−44.4% | Reduced |
| Virginia Retirement Systems Et Al | 12,600 | $199.0K | 0.00% | −4,000−24.1% | Reduced |
| AlphaCrest Capital Management LLC | 11,986 | $189.0K | 0.01% | +11,986 | New |
| Princeton Capital Management LLC | 11,656 | $184.0K | 0.05% | −435−3.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,562 | $182.0K | 0.00% | −206−1.8% | Reduced |
| Amalgamated Bank | 11,375 | $179.0K | 0.00% | +219+2.0% | Added |
| Victory Capital Management Inc | 11,320 | $178.0K | 0.00% | +259+2.3% | Added |
| Stifel Financial Corp | 10,570 | $167.0K | 0.00% | −336−3.1% | Reduced |
| Virtus ETF Advisers LLC | 10,456 | $165.0K | 0.06% | −4,041−27.9% | Reduced |
| Principal Financial Group Inc | 10,146 | $160.0K | 0.00% | −6,306−38.3% | Reduced |
| ACT Capital Management, LLC | 9,200 | $145.0K | 0.10% | −107,700−92.1% | Reduced |
| American Portfolios Advisors | 8,600 | $135.5K | 0.00% | −500−5.5% | Reduced |
| Tower Research Capital LLC (TRC) | 7,122 | $112.0K | 0.00% | −14,350−66.8% | Reduced |
| Ameritas Investment Partners, Inc. | 6,782 | $107.0K | 0.00% | +615+10.0% | Added |
| Simplex Trading, LLC | 4,090 | $64.0K | 0.00% | +3,315+427.7% | Added |
| Great West Life Assurance Co | 3,275 | $51.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 3,024 | $48.0K | 0.02% | +81+2.8% | Added |
| Signaturefd, LLC | 2,400 | $38.0K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 2,170 | $34.0K | 0.00% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 1,630 | $26.0K | 0.00% | −6,215−79.2% | Reduced |
| Advisor Group Holdings, Inc. | 878 | $14.0K | 0.00% | +236+36.8% | Added |
| Smithfield Trust Co | 723 | $12.0K | 0.00% | 00.0% | Unchanged |
| NEXT Financial Group, Inc | 685 | $11.0K | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 639 | $10.0K | 0.00% | −2,672−80.7% | Reduced |
| TCI Wealth Advisors, Inc. | 359 | $6.00K | 0.00% | +209+139.3% | Added |
| Dark Forest Capital Management LP | 304 | $5.00K | 0.00% | −262−46.3% | Reduced |
| Hall Laurie J Trustee | 340 | $5.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 290 | $5.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 315 | $5.00K | 0.00% | +107+51.4% | Added |
| Captrust Financial Advisors | 266 | $4.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 209 | $3.00K | 0.00% | 00.0% | Unchanged |
| Ellevest, Inc. | 134 | $2.00K | 0.00% | 00.0% | Unchanged |
| Concord Wealth Partners | 44 | $1.00K | 0.00% | +44 | New |
| Covestor Ltd | 34 | $1.00K | 0.00% | +34 | New |
| Lion Point Capital, LP | 0 | $0 | 0.00% | −350,465−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −281,679−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −246,136−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −24,491−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −20,987−100.0% | Sold out |
| Vontobel Holding Ltd. | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −13,838−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −10,907−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −10,120−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −4,620−100.0% | Sold out |
| Pacitti Group Inc. | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −1,940−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −750−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Gerber Kawasaki Wealth & Investment Management | 0 | $0 | 0.00% | −210−100.0% | Sold out |
| Berman Capital Advisors, LLC | – | – | – | – | Not filed |