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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, 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.

Institutional holdersQ3 2021: 140 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 heldQ3 2021: $1.61B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q2 2021.

Institutions holding ATRA in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Baupost Group LLCSuperinvestorBaupost Group8,477,488$151.7M1.39%00.0%Unchanged
JPMorgan Chase & Co8,015,817$143.5M0.02%+501,255+6.7%Added
Maverick Capital LtdSuperinvestorMaverick Capital7,855,824$140.6M1.55%+151,148+2.0%Added
BlackRock Inc.7,651,591$137.0M0.00%−68,440−0.9%Reduced
Vanguard Group Inc6,800,583$121.7M0.00%+96,442+1.4%Added
Redmile Group, LLC6,466,277$115.7M2.02%+16,700+0.3%Added
FMR LLC4,482,546$80.2M0.01%+3,044,774+211.8%Added
State Street Corp3,780,897$67.7M0.00%−590,959−13.5%Reduced
Wasatch Advisors Inc2,907,511$52.0M0.21%+519,273+21.7%Added
Goldman Sachs Group Inc2,874,277$51.5M0.01%+276,567+10.6%Added
Morgan Stanley2,809,760$50.3M0.01%−225,987−7.4%Reduced
Point72 Asset Management, L.P.2,318,300$41.5M0.20%+1,578,400+213.3%Added
KPCB XV Associates, LLC1,876,650$33.6M25.09%00.0%Unchanged
683 Capital Management, LLC1,781,234$31.9M1.65%+1,103,551+162.8%Added
Assenagon Asset Management S.A.1,509,728$27.0M0.11%+12,804+0.9%Added
Artal Group S.A.1,500,000$26.9M0.66%00.0%Unchanged
Geode Capital Management, LLC1,472,822$26.4M0.00%−41,502−2.7%Reduced
Nuveen Asset Management, LLC1,060,739$19.0M0.01%−86,968−7.6%Reduced
Antipodean Advisors LLC1,050,000$18.8M5.32%+50,000+5.0%Added
Bridger Management, LLC926,588$16.6M1.94%−398,600−30.1%Reduced
Dimensional Fund Advisors LP910,928$16.3M0.01%−429,817−32.1%Reduced
Credit Suisse AG860,739$15.4M0.01%−370,055−30.1%Reduced
Northern Trust Corp843,249$15.1M0.00%−28,558−3.3%Reduced
D. E. Shaw & Co., Inc.831,907$14.9M0.02%+13,376+1.6%Added
Ameriprise Financial Inc751,973$13.5M0.00%+10,383+1.4%Added
Norges Bank750,614$13.4M0.00%−22,533−2.9%Reduced
Alberta Investment Management Corp598,330$10.7M0.09%−266,300−30.8%Reduced
Charles Schwab Investment Management Inc584,529$10.5M0.00%+4,429+0.8%Added
Pacific Heights Asset Management LLC525,000$9.40M0.89%00.0%Unchanged
Pinnacle Associates Ltd451,827$8.09M0.15%−15,120−3.2%Reduced
Two Sigma Advisers, LP444,400$7.96M0.02%−205,800−31.7%Reduced
Lion Point Capital, LP350,465$6.27M1.66%+350,465New
Barclays PLC303,183$5.43M0.00%−4,685−1.5%Reduced
Bank of New York Mellon Corp303,031$5.42M0.00%+25,985+9.4%Added
Renaissance Technologies LLC281,679$5.04M0.01%−617,021−68.7%Reduced
Deutsche Bank AG274,397$4.91M0.00%−1,378−0.5%Reduced
Citigroup Inc270,849$4.85M0.00%−158,495−36.9%Reduced
SG Americas Securities, LLC250,253$4.48M0.02%+51,527+25.9%Added
Staley Capital Advisers Inc250,000$4.47M0.24%00.0%Unchanged
Two Sigma Investments, LP246,136$4.41M0.01%−237,314−49.1%Reduced
Integral Health Asset Management, LLC200,000$3.58M1.03%+200,000New
Canada Pension Plan Investment Board193,000$3.46M0.00%+104,000+116.9%Added
Swiss National Bank157,900$2.83M0.00%+1,200+0.8%Added
State of Wisconsin Investment Board150,401$2.69M0.01%00.0%Unchanged
UBS Group AG135,320$2.42M0.00%+103,517+325.5%Added
Natixis127,700$2.29M0.01%+127,700New
Rhumbline Advisers126,037$2.26M0.00%−997−0.8%Reduced
Rafferty Asset Management, LLC122,717$2.20M0.02%−35,380−22.4%Reduced
ACT Capital Management, LLC116,900$2.09M1.08%00.0%Unchanged
Trellus Management Company, LLC105,100$1.88M1.68%+32,044+43.9%Added
Millennium Management LLC104,230$1.87M0.00%−261,067−71.5%Reduced
Alps Advisors Inc103,877$1.86M0.02%−6,857−6.2%Reduced
Susquehanna International Group, LLP103,770$1.86M0.00%+30,086+40.8%Added
California State Teachers Retirement System103,078$1.84M0.00%−10,834−9.5%Reduced
Vident Investment Advisory, LLC101,356$1.81M0.05%−7,240−6.7%Reduced
Altrinsic Global Advisors LLC100,000$1.79M0.05%+10,000+11.1%Added
PDT Partners, LLC98,700$1.77M0.13%+941+1.0%Added
Public Employees Retirement System of Ohio91,224$1.63M0.01%+27,430+43.0%Added
Public Sector Pension Investment Board86,000$1.54M0.01%+86,000New
Hennion & Walsh Asset Management, Inc.75,459$1.35M0.07%+25,828+52.0%Added
Alliancebernstein L.P.75,340$1.35M0.00%−5,800−7.1%Reduced
UBS Asset Management Americas Inc73,209$1.31M0.00%−12,903−15.0%Reduced
Ensign Peak Advisors, Inc68,720$1.23M0.00%+68,720New
Bank of America Corp61,150$1.09M0.00%+21,868+55.7%Added
Jupiter Asset Management Ltd59,418$1.06M0.01%−41,795−41.3%Reduced
New York State Common Retirement Fund57,974$1.04M0.00%−12,993−18.3%Reduced
Legal & General Group Plc57,787$1.03M0.00%+14,047+32.1%Added
Wells Fargo & Company56,533$1.01M0.00%−100,411−64.0%Reduced
Invesco Ltd.52,068$933.0K0.00%+4,151+8.7%Added
Parametric Portfolio Associates LLC47,351$848.0K0.00%−10,676−18.4%Reduced
American International Group, Inc.45,233$810.0K0.00%−1,074−2.3%Reduced
Manufacturers Life Insurance Company, The43,352$776.0K0.00%−3,224−6.9%Reduced
Rockefeller Capital Management L.P.38,000$680.0K0.00%+14,750+63.4%Added
Oppenheimer & Co Inc34,938$625.0K0.01%+15,584+80.5%Added
Price T Rowe Associates Inc34,229$613.0K0.00%+196+0.6%Added
Voya Investment Management LLC33,080$592.0K0.00%00.0%Unchanged
Citadel Advisors LLC32,562$583.0K0.00%+18,720+135.2%Added
State Board of Administration of Florida Retirement System30,533$547.0K0.00%00.0%Unchanged
Franklin Resources Inc30,500$546.0K0.00%+30,500New
MetLife Investment Management29,753$532.6K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA29,095$520.8K0.00%+7,917+37.4%Added
ProShare Advisors LLC28,697$514.0K0.00%−7,849−21.5%Reduced
Trexquant Investment LP27,248$488.0K0.04%+27,248New
DekaBank Deutsche Girozentrale27,600$476.0K0.00%00.0%Unchanged
Nomura Holdings Inc25,600$449.0K0.00%00.0%Unchanged
Los Angeles Capital Management LLC24,491$438.0K0.00%−47,020−65.8%Reduced
Jane Street Group, LLC23,674$424.0K0.00%+8,894+60.2%Added
Metropolitan Life Insurance Co22,596$404.5K0.01%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.21,788$390.0K0.00%+552+2.6%Added
Erste Asset Management GmbH22,000$386.1K0.01%00.0%Unchanged
Tower Research Capital LLC (TRC)21,472$385.0K0.01%+16,399+323.3%Added
Ergoteles LLC20,987$376.0K0.01%+20,987New
Vontobel Holding Ltd.20,000$358.0K0.00%00.0%Unchanged
Natixis Advisors, L.P.19,604$351.0K0.00%+192+1.0%Added
Arizona State Retirement System19,467$348.0K0.00%+148+0.8%Added
Handelsbanken Fonder AB19,100$342.0K0.00%00.0%Unchanged
Algert Global LLC18,053$323.0K0.04%+5,883+48.3%Added
Cubist Systematic Strategies, LLC17,546$314.0K0.00%−19,812−53.0%Reduced
Virginia Retirement Systems Et Al16,600$297.0K0.00%+600+3.8%Added
Principal Financial Group Inc16,452$294.0K0.00%−2,667−13.9%Reduced