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, Q2 2021
Institutional positions in Atara Biotherapeutics, Inc. as of Jun 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
- 145
- −6 vs. Q1 2021
- Shares held
- 86.0M
- −654.8K (−0.8%) vs. Q1 2021
- Total value
- $1.34B
- +$93.0M (+7.5%) vs. Q1 2021
- New holders
- 18
- 48 more added
- Sold out
- 24
- 53 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Daiwa Securities Group Inc. | 146 | $2.00K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 140 | $2.00K | 0.00% | +27+23.9% | Added |
| Ellevest, Inc. | 117 | $2.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 209 | $3.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 208 | $3.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 256 | $4.00K | 0.00% | −10−3.8% | Reduced |
| Cutler Group LP | 300 | $4.00K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 309 | $5.00K | 0.00% | +309 | New |
| IFP Advisors, Inc | 600 | $9.00K | 0.00% | 00.0% | Unchanged |
| Hall Laurie J Trustee | 560 | $9.00K | 0.00% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 625 | $10.0K | 0.00% | −1,095−63.7% | Reduced |
| Simplex Trading, LLC | 675 | $10.0K | 0.00% | +357+112.3% | Added |
| Smithfield Trust Co | 723 | $11.0K | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 777 | $12.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 1,291 | $21.0K | 0.00% | −74−5.4% | Reduced |
| Quantbot Technologies LP | 1,745 | $27.0K | 0.00% | −21,755−92.6% | Reduced |
| Penserra Capital Management LLC | 1,915 | $29.0K | 0.00% | +40+2.1% | Added |
| Pacitti Group Inc. | 2,000 | $31.0K | 0.02% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 2,170 | $34.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 2,400 | $37.0K | 0.00% | 00.0% | Unchanged |
| American Portfolios Advisors | 3,125 | $48.6K | 0.00% | +1,475+89.4% | Added |
| Great West Life Assurance Co | 3,275 | $51.0K | 0.00% | −1,732−34.6% | Reduced |
| Nisa Investment Advisors, LLC | 4,620 | $72.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 5,073 | $79.0K | 0.00% | −2,797−35.5% | Reduced |
| State of Wyoming | 5,220 | $81.0K | 0.05% | +3,229+162.2% | Added |
| Ameritas Investment Partners, Inc. | 6,167 | $96.0K | 0.00% | 00.0% | Unchanged |
| NEXT Financial Group, Inc | 6,707 | $105.0K | 0.01% | +6,707 | New |
| Dark Forest Capital Management LP | 7,523 | $117.0K | 0.05% | +7,523 | New |
| Stifel Financial Corp | 10,552 | $164.0K | 0.00% | −254−2.4% | Reduced |
| AXA S.A. | 10,635 | $165.0K | 0.00% | −38,600−78.4% | Reduced |
| Princeton Capital Management LLC | 11,622 | $181.0K | 0.06% | +598+5.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,755 | $183.0K | 0.00% | +238+2.1% | Added |
| Amundi | 11,913 | $185.0K | 0.00% | +11,913 | New |
| Amalgamated Bank | 11,944 | $186.0K | 0.00% | +1,774+17.4% | Added |
| Algert Global LLC | 12,170 | $189.0K | 0.06% | +12,170 | New |
| Victory Capital Management Inc | 12,321 | $192.0K | 0.00% | −313−2.5% | Reduced |
| ExodusPoint Capital Management, LP | 12,438 | $193.0K | 0.00% | +12,438 | New |
| Virtu Financial LLC | 12,680 | $197.0K | 0.02% | +12,680 | New |
| Royal Bank of Canada | 13,621 | $212.0K | 0.00% | −6,682−32.9% | Reduced |
| Citadel Advisors LLC | 13,842 | $215.0K | 0.00% | −200,453−93.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 14,087 | $219.0K | 0.00% | −30,597−68.5% | Reduced |
| Jane Street Group, LLC | 14,780 | $229.0K | 0.00% | −7,115−32.5% | Reduced |
| Private Capital Advisors, Inc. | 15,000 | $233.0K | 0.04% | +15,000 | New |
| Virtus ETF Advisers LLC | 15,258 | $237.0K | 0.10% | +2,476+19.4% | Added |
| Virginia Retirement Systems Et Al | 16,000 | $249.0K | 0.00% | +16,000 | New |
| HRT Financial LP | 17,335 | $269.0K | 0.00% | +17,335 | New |
| Principal Financial Group Inc | 19,119 | $297.0K | 0.00% | −11,758−38.1% | Reduced |
| Handelsbanken Fonder AB | 19,100 | $297.0K | 0.00% | +3,200+20.1% | Added |
| Arizona State Retirement System | 19,319 | $300.0K | 0.00% | −2,173−10.1% | Reduced |
| Oppenheimer & Co Inc | 19,354 | $301.0K | 0.01% | +570+3.0% | Added |
| Natixis Advisors, L.P. | 19,412 | $302.0K | 0.00% | −125−0.6% | Reduced |
| Qube Research & Technologies Ltd | 19,606 | $305.0K | 0.00% | −62,189−76.0% | Reduced |
| Vontobel Holding Ltd. | 20,000 | $311.0K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 20,898 | $324.0K | 0.00% | −1,964−8.6% | Reduced |
| BNP Paribas Arbitrage, SA | 21,178 | $329.3K | 0.00% | −14,862−41.2% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 21,236 | $330.0K | 0.00% | +4,661+28.1% | Added |
| Engineers Gate Manager LP | 21,330 | $332.0K | 0.02% | −13,320−38.4% | Reduced |
| Erste Asset Management GmbH | 22,000 | $341.9K | 0.01% | 00.0% | Unchanged |
| Blueshift Asset Management, LLC | 22,451 | $349.0K | 0.02% | +22,451 | New |
| Metropolitan Life Insurance Co | 22,596 | $351.4K | 0.00% | +2,258+11.1% | Added |
| Rockefeller Capital Management L.P. | 23,250 | $361.0K | 0.00% | −7,500−24.4% | Reduced |
| Nomura Holdings Inc | 25,600 | $398.0K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 26,559 | $413.0K | 0.00% | −19,622−42.5% | Reduced |
| DekaBank Deutsche Girozentrale | 27,600 | $419.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 29,753 | $462.7K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 30,533 | $475.0K | 0.00% | +1,328+4.5% | Added |
| QS Investors, LLC | 30,500 | $475.0K | 0.01% | +30,500 | New |
| UBS Group AG | 31,803 | $494.0K | 0.00% | −70,894−69.0% | Reduced |
| Voya Investment Management LLC | 33,080 | $514.0K | 0.00% | −1,109−3.2% | Reduced |
| Price T Rowe Associates Inc | 34,033 | $529.0K | 0.00% | +4,876+16.7% | Added |
| ProShare Advisors LLC | 36,546 | $568.0K | 0.00% | +3,676+11.2% | Added |
| Cubist Systematic Strategies, LLC | 37,358 | $581.0K | 0.01% | −66,096−63.9% | Reduced |
| Bank of America Corp | 39,282 | $611.0K | 0.00% | −77,111−66.3% | Reduced |
| Legal & General Group Plc | 43,740 | $680.0K | 0.00% | −1,430−3.2% | Reduced |
| American International Group, Inc. | 46,307 | $720.0K | 0.00% | −425−0.9% | Reduced |
| Manufacturers Life Insurance Company, The | 46,576 | $724.0K | 0.00% | +1,403+3.1% | Added |
| Invesco Ltd. | 47,917 | $745.0K | 0.00% | +11,758+32.5% | Added |
| Hennion & Walsh Asset Management, Inc. | 49,631 | $772.0K | 0.04% | +24,177+95.0% | Added |
| Copernicus Capital Management, LLC | 50,000 | $778.0K | 12.27% | +50,000 | New |
| Parametric Portfolio Associates LLC | 58,027 | $902.0K | 0.00% | −6,867−10.6% | Reduced |
| Public Employees Retirement System of Ohio | 63,794 | $992.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 70,967 | $1.10M | 0.00% | +667+0.9% | Added |
| Los Angeles Capital Management LLC | 71,511 | $1.11M | 0.00% | −4,390−5.8% | Reduced |
| Trellus Management Company, LLC | 73,056 | $1.14M | 0.92% | +63,056+630.6% | Added |
| Susquehanna International Group, LLP | 73,684 | $1.15M | 0.00% | +13,361+22.1% | Added |
| Prelude Capital Management, LLC | 79,784 | $1.24M | 0.07% | −9,042−10.2% | Reduced |
| Alliancebernstein L.P. | 81,140 | $1.26M | 0.00% | 00.0% | Unchanged |
| Bank of Montreal | 77,177 | $1.28M | 0.00% | −31,888−29.2% | Reduced |
| UBS Asset Management Americas Inc | 86,112 | $1.34M | 0.00% | +5,294+6.6% | Added |
| Canada Pension Plan Investment Board | 89,000 | $1.38M | 0.00% | +3,000+3.5% | Added |
| Altrinsic Global Advisors LLC | 90,000 | $1.40M | 0.04% | +10,000+12.5% | Added |
| PDT Partners, LLC | 97,759 | $1.52M | 0.10% | −45,940−32.0% | Reduced |
| Alpha Paradigm Partners, LLC | 97,980 | $1.52M | 0.57% | +97,980 | New |
| Jupiter Asset Management Ltd | 101,213 | $1.57M | 0.02% | +101,213 | New |
| Vident Investment Advisory, LLC | 108,596 | $1.69M | 0.05% | +40,840+60.3% | Added |
| Alps Advisors Inc | 110,734 | $1.72M | 0.02% | +110,734 | New |
| California State Teachers Retirement System | 113,912 | $1.77M | 0.00% | −7,030−5.8% | Reduced |
| Jacobs Levy Equity Management, Inc | 116,722 | $1.81M | 0.01% | +47,948+69.7% | Added |
| ACT Capital Management, LLC | 116,900 | $1.82M | 0.93% | +116,900 | New |
| Rhumbline Advisers | 127,034 | $1.98M | 0.00% | +10,901+9.4% | Added |