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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 2023

Institutional positions in Atara Biotherapeutics, Inc. as of Jun 30, 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
118
−7 vs. Q1 2023
Shares held
90.5M
−12.2M (−11.9%) vs. Q1 2023
Total value
$145.8M
−$152.0M (−51.0%) vs. Q1 2023
New holders
22
36 more added
Sold out
29
42 more reduced

Compare with Q1 2023: 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.

Institutional holdersQ2 2023: 118 institutions
Q1 2021: 151 institutionsQ2 2021: 145 institutionsQ3 2021: 140 institutionsQ4 2021: 139 institutionsQ1 2022: 145 institutionsQ2 2022: 134 institutionsQ3 2022: 155 institutionsQ4 2022: 139 institutionsQ1 2023: 125 institutionsQ2 2023: 118 institutionsQ3 2023: 109 institutionsQ4 2023: 91 institutionsQ1 2024: 82 institutionsQ2 2024: 48 institutionsQ3 2024: 35 institutionsQ4 2024: 43 institutionsQ1 2025: 37 institutionsQ2 2025: 32 institutionsQ3 2025: 37 institutionsQ4 2025: 41 institutionsQ1 2026: 33 institutionsQ2 2026: 36 institutions
Value heldQ2 2023: $145.8M
Q1 2021: $1.24BQ2 2021: $1.34BQ3 2021: $1.61BQ4 2021: $1.50BQ1 2022: $909.5MQ2 2022: $777.4MQ3 2022: $376.2MQ4 2022: $319.3MQ1 2023: $297.8MQ2 2023: $145.8MQ3 2023: $130.5MQ4 2023: $33.2MQ1 2024: $57.8MQ2 2024: $24.1MQ3 2024: $19.6MQ4 2024: $31.5MQ1 2025: $12.4MQ2 2025: $13.9MQ3 2025: $27.0MQ4 2025: $37.1MQ1 2026: $12.1MQ2 2026: $51.3M
Institutions holding ATRA and their total value by quarter
QuarterHoldersValue
Q2 202636$51.3M
Q1 202633$12.1M
Q4 202541$37.1M
Q3 202537$27.0M
Q2 202532$13.9M
Q1 202537$12.4M
Q4 202443$31.5M
Q3 202435$19.6M
Q2 202448$24.1M
Q1 202482$57.8M
Q4 202391$33.2M
Q3 2023109$130.5M
Q2 2023118$145.8M
Q1 2023125$297.8M
Q4 2022139$319.3M
Q3 2022155$376.2M
Q2 2022134$777.4M
Q1 2022145$909.5M
Q4 2021139$1.50B
Q3 2021140$1.61B
Q2 2021145$1.34B
Q1 2021151$1.24B

Institutions, Q2 2023

Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q1 2023.

Institutions holding ATRA in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Daiwa Securities Group Inc.290$00.00%−15,377−98.1%Reduced
CWM, LLC133$00.00%00.0%Unchanged
Cary Street Partner Investment Advisory LLC66$1060.00%+66New
Nisa Investment Advisors, LLC720$1.16K0.00%−730−50.3%Reduced
Cutler Group LP1,500$2.00K0.00%+300+25.0%Added
China Universal Asset Management Co., Ltd.1,284$2.07K0.00%−16−1.2%Reduced
US Bancorp1,767$2.85K0.00%+706+66.5%Added
Signaturefd, LLC2,400$3.86K0.00%−298−11.0%Reduced
Quantbot Technologies LP3,900$6.28K0.00%+3,900New
Advisor Group Holdings, Inc.4,315$6.95K0.00%−274−6.0%Reduced
Metropolitan Life Insurance Co5,162$8.31K0.00%00.0%Unchanged
Russell Investments Group, Ltd.5,711$9.19K0.00%00.0%Unchanged
Lazard Asset Management LLC6,776$10.0K0.00%+2,475+57.5%Added
Ameritas Investment Partners, Inc.6,782$10.9K0.00%00.0%Unchanged
Victory Capital Management Inc10,084$16.2K0.00%−234−2.3%Reduced
Amalgamated Bank10,288$17.0K0.00%+95+0.9%Added
Lake Street Advisors Group, LLC11,560$19.0K0.00%00.0%Unchanged
Virtu Financial LLC12,250$20.0K0.00%+12,250New
Stifel Financial Corp12,480$20.1K0.00%−16,012−56.2%Reduced
Belvedere Trading LLC12,913$20.8K0.01%+12,913New
Wealth Architects, LLC13,277$21.4K0.00%00.0%Unchanged
American Century Companies Inc14,628$23.6K0.00%−7,990−35.3%Reduced
Two Sigma Investments, LP15,261$24.6K0.00%+15,261New
SEI Investments Co15,821$25.5K0.00%−11,670−42.5%Reduced
Jacobs Levy Equity Management, Inc16,927$27.3K0.00%−637,928−97.4%Reduced
Letko, Brosseau & Associates Inc17,500$28.2K0.00%00.0%Unchanged
ProShare Advisors LLC18,763$30.2K0.00%+1,017+5.7%Added
Pitcairn Co19,363$31.2K0.00%+19,363New
Ergoteles LLC20,326$32.7K0.00%+20,326New
Erste Asset Management GmbH22,000$35.9K0.00%00.0%Unchanged
Oppenheimer & Co Inc22,575$36.3K0.00%−3,722−14.2%Reduced
Point72 Middle East FZE25,351$40.8K0.00%+25,351New
Tower Research Capital LLC (TRC)26,669$42.9K0.00%+17,628+195.0%Added
Dimension Capital Management LLC28,000$45.1K0.01%+14,000+100.0%Added
Invesco Ltd.28,858$46.5K0.00%−3,565−11.0%Reduced
Franklin Resources Inc29,100$46.9K0.00%−282−1.0%Reduced
Centiva Capital, LP29,143$46.9K0.00%+29,143New
Envestnet Asset Management Inc29,585$47.6K0.00%−2,242−7.0%Reduced
Principal Financial Group Inc30,067$48.4K0.00%+3,320+12.4%Added
State Board of Administration of Florida Retirement System31,145$50.1K0.00%00.0%Unchanged
JustInvest LLC31,423$50.6K0.00%+31,423New
California State Teachers Retirement System31,776$51.2K0.00%−73,988−70.0%Reduced
Qube Research & Technologies Ltd34,908$56.2K0.00%+34,908New
Barclays PLC35,353$56.9K0.00%−365,210−91.2%Reduced
New York State Common Retirement Fund39,370$63.4K0.00%−219−0.6%Reduced
Manufacturers Life Insurance Company, The43,086$69.4K0.00%+6,093+16.5%Added
Simplex Trading, LLC45,264$72.0K0.00%+32,113+244.2%Added
State of Wisconsin Investment Board45,201$72.8K0.00%−170,381−79.0%Reduced
American International Group, Inc.45,977$74.0K0.00%+481+1.1%Added
Wells Fargo & Company49,533$79.7K0.00%−74,102−59.9%Reduced
MetLife Investment Management49,730$80.1K0.00%00.0%Unchanged
Harbor Capital Advisors, Inc.50,076$80.6K0.02%+50,076New
UBS Group AG51,375$82.7K0.00%−283,212−84.6%Reduced
Royal Bank of Canada51,697$83.0K0.00%+6,054+13.3%Added
Rockefeller Capital Management L.P.53,936$86.8K0.00%00.0%Unchanged
Caxton Associates LP56,151$90.4K0.01%−49,321−46.8%Reduced
Marshall Wace, LLP62,180$100.1K0.00%+62,180New
Private Advisor Group, LLC62,400$100.5K0.00%+62,400New
Nuveen Asset Management, LLC63,720$102.6K0.00%−1,598,392−96.2%Reduced
Allspring Global Investments Holdings, LLC66,404$106.9K0.00%+21,301+47.2%Added
Squarepoint Ops LLC72,574$116.8K0.00%−34,207−32.0%Reduced
BNP Paribas Arbitrage, SA75,640$121.8K0.00%−182,266−70.7%Reduced
Price T Rowe Associates Inc76,624$124.0K0.00%+1,758+2.3%Added
Bank of America Corp81,337$131.0K0.00%−1,132,963−93.3%Reduced
Graham Capital Management, L.P.85,672$137.9K0.00%+85,672New
B. Metzler seel. Sohn & Co. AG98,564$158.7K0.00%+49,282+100.0%Added
Y-Intercept (Hong Kong) Ltd99,685$160.5K0.02%+99,685New
Legal & General Group Plc101,098$162.8K0.00%+85,939+566.9%Added
Voya Investment Management LLC101,713$163.8K0.00%+27,009+36.2%Added
Cornercap Investment Counsel Inc116,159$187.0K0.03%+116,159New
Healthcare of Ontario Pension Plan Trust Fund121,000$194.8K0.00%+121,000New
XTX Topco Ltd136,841$220.3K0.04%+136,841New
Rhumbline Advisers142,773$229.9K0.00%−4,599−3.1%Reduced
Susquehanna International Group, LLP157,150$253.0K0.00%−64,555−29.1%Reduced
HRT Financial LP161,929$260.0K0.00%+161,929New
AQR Capital Management LLC167,279$269.3K0.00%+116,315+228.2%Added
Josh Arnold Investment Consultant, LLC170,000$273.7K0.27%+115,000+209.1%Added
Alliancebernstein L.P.176,700$284.5K0.00%+57,860+48.7%Added
Boston Private Wealth LLC176,867$284.8K0.01%00.0%Unchanged
Hennion & Walsh Asset Management, Inc.179,137$288.0K0.02%−90,009−33.4%Reduced
Raymond James & Associates187,345$301.6K0.00%−1,558−0.8%Reduced
Public Employees Retirement System of Ohio188,581$304.0K0.00%00.0%Unchanged
UBS Asset Management Americas Inc108,004$313.2K0.00%00.0%Unchanged
FMR LLC223,707$360.2K0.00%+95,158+74.0%Added
Cubist Systematic Strategies, LLC276,565$445.3K0.00%+72,215+35.3%Added
Bank of New York Mellon Corp339,443$546.5K0.00%+13,871+4.3%Added
Pinnacle Associates Ltd395,594$636.9K0.01%−3,722−0.9%Reduced
ExodusPoint Capital Management, LP417,882$673.0K0.01%+144,398+52.8%Added
Jane Street Group, LLC441,771$711.3K0.00%+423,514+2,319.7%Added
Citigroup Inc481,745$775.6K0.00%−429,474−47.1%Reduced
Pacific Heights Asset Management LLC525,000$845.3K0.08%00.0%Unchanged
Point72 Asset Management, L.P.572,231$921.3K0.00%+544,973+1,999.3%Added
Dimensional Fund Advisors LP655,773$1.06M0.00%−776,369−54.2%Reduced
Deutsche Bank AG688,192$1.11M0.00%−20,050−2.8%Reduced
Norges Bank698,507$1.12M0.00%−517,706−42.6%Reduced
Charles Schwab Investment Management Inc700,035$1.13M0.00%+39,961+6.1%Added
Acadian Asset Management LLC704,694$1.13M0.00%+704,694New
Staley Capital Advisers Inc750,000$1.21M0.07%+300,000+66.7%Added
Northern Trust Corp795,241$1.28M0.00%−81,623−9.3%Reduced
Antipodean Advisors LLC1,000,000$1.61M11.42%00.0%Unchanged