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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, 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.

Institutional holdersQ4 2021: 139 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 heldQ4 2021: $1.50B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q3 2021.

Institutions holding ATRA in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Baupost Group LLCSuperinvestorBaupost Group8,477,488$133.6M1.32%00.0%Unchanged
Maverick Capital LtdSuperinvestorMaverick Capital7,855,824$123.8M1.50%00.0%Unchanged
BlackRock Inc.7,816,552$123.2M0.00%+164,961+2.2%Added
JPMorgan Chase & Co7,417,122$116.9M0.01%−598,695−7.5%Reduced
Vanguard Group Inc7,075,521$111.5M0.00%+274,938+4.0%Added
Redmile Group, LLC6,437,777$101.5M2.31%−28,500−0.4%Reduced
FMR LLC5,613,242$88.5M0.01%+1,130,696+25.2%Added
Point72 Asset Management, L.P.4,613,700$72.7M0.32%+2,295,400+99.0%Added
State Street Corp4,324,199$68.1M0.00%+543,302+14.4%Added
Goldman Sachs Group Inc2,564,527$40.4M0.01%−309,750−10.8%Reduced
Morgan Stanley2,543,048$40.1M0.00%−266,712−9.5%Reduced
Wasatch Advisors Inc2,025,516$31.9M0.13%−881,995−30.3%Reduced
Assenagon Asset Management S.A.1,948,815$30.7M0.11%+439,087+29.1%Added
KPCB XV Associates, LLC1,876,650$29.6M23.33%00.0%Unchanged
683 Capital Management, LLC1,781,234$28.1M1.34%00.0%Unchanged
Geode Capital Management, LLC1,620,465$25.5M0.00%+147,643+10.0%Added
Artal Group S.A.1,500,000$23.6M0.69%00.0%Unchanged
Dimensional Fund Advisors LP1,224,510$19.3M0.01%+313,582+34.4%Added
Ameriprise Financial Inc1,176,264$18.5M0.01%+424,291+56.4%Added
Nuveen Asset Management, LLC1,160,460$18.3M0.01%+99,721+9.4%Added
Eminence Capital, LP1,141,457$18.0M0.23%+1,141,457New
Citigroup Inc1,013,279$16.0M0.01%+742,430+274.1%Added
Antipodean Advisors LLC1,000,000$15.8M6.47%−50,000−4.8%Reduced
Norges Bank975,858$15.4M0.00%+225,244+30.0%Added
D. E. Shaw & Co., Inc.919,401$14.5M0.02%+87,494+10.5%Added
Northern Trust Corp860,257$13.6M0.00%+17,008+2.0%Added
Natixis762,700$12.0M0.04%+635,000+497.3%Added
Deep Track Capital, LP750,000$11.8M0.87%+750,000New
Bridger Management, LLC616,488$9.72M1.26%−310,100−33.5%Reduced
Charles Schwab Investment Management Inc616,461$9.72M0.00%+31,932+5.5%Added
Pacific Heights Asset Management LLC525,000$8.27M0.70%00.0%Unchanged
M28 Capital Management LP456,865$7.20M5.62%+456,865New
Pinnacle Associates Ltd449,704$7.09M0.12%−2,123−0.5%Reduced
Bank of New York Mellon Corp309,307$4.88M0.00%+6,276+2.1%Added
One Fin Capital Management LP303,000$4.78M1.99%+303,000New
Alberta Investment Management Corp281,130$4.43M0.03%−317,200−53.0%Reduced
Rafferty Asset Management, LLC252,923$3.99M0.02%+130,206+106.1%Added
Staley Capital Advisers Inc250,000$3.94M0.19%00.0%Unchanged
UBS Group AG245,594$3.87M0.00%+110,274+81.5%Added
Barclays PLC233,192$3.67M0.00%−69,991−23.1%Reduced
SG Americas Securities, LLC218,354$3.44M0.02%−31,899−12.7%Reduced
Public Sector Pension Investment Board201,000$3.17M0.02%+115,000+133.7%Added
Integral Health Asset Management, LLC200,000$3.15M0.88%00.0%Unchanged
Canada Pension Plan Investment Board182,000$2.87M0.00%−11,000−5.7%Reduced
Swiss National Bank157,900$2.49M0.00%00.0%Unchanged
State of Wisconsin Investment Board150,401$2.37M0.00%00.0%Unchanged
Rhumbline Advisers128,089$2.02M0.00%+2,052+1.6%Added
Susquehanna International Group, LLP126,897$2.00M0.00%+23,127+22.3%Added
Hennion & Walsh Asset Management, Inc.125,511$1.98M0.10%+50,052+66.3%Added
Bank of America Corp123,867$1.95M0.00%+62,717+102.6%Added
PDT Partners, LLC118,400$1.87M0.14%+19,700+20.0%Added
Two Sigma Advisers, LP117,300$1.85M0.00%−327,100−73.6%Reduced
California State Teachers Retirement System108,237$1.71M0.00%+5,159+5.0%Added
Alps Advisors Inc102,324$1.61M0.02%−1,553−1.5%Reduced
Altrinsic Global Advisors LLC100,000$1.58M0.05%00.0%Unchanged
Trellus Management Company, LLC95,000$1.50M1.76%−10,100−9.6%Reduced
Legal & General Group Plc75,027$1.18M0.00%+17,240+29.8%Added
Alliancebernstein L.P.73,640$1.16M0.00%−1,700−2.3%Reduced
UBS Asset Management Americas Inc73,262$1.15M0.00%+53+0.1%Added
Citadel Advisors LLC68,736$1.08M0.00%+36,174+111.1%Added
Deutsche Bank AG65,831$1.04M0.00%−208,566−76.0%Reduced
Vident Investment Advisory, LLC62,557$986.0K0.03%−38,799−38.3%Reduced
Public Employees Retirement System of Ohio61,775$974.0K0.00%−29,449−32.3%Reduced
Credit Suisse AG60,102$946.0K0.00%−800,637−93.0%Reduced
New York State Common Retirement Fund57,781$911.0K0.00%−193−0.3%Reduced
Parametric Portfolio Associates LLC55,496$875.0K0.00%+8,145+17.2%Added
Wells Fargo & Company53,166$837.0K0.00%−3,367−6.0%Reduced
BNP Paribas Arbitrage, SA49,197$775.3K0.00%+20,102+69.1%Added
Allspring Global Investments Holdings, LLC47,498$748.0K0.00%+47,498New
Invesco Ltd.47,048$742.0K0.00%−5,020−9.6%Reduced
American International Group, Inc.46,186$728.0K0.00%+953+2.1%Added
Engineers Gate Manager LP45,670$720.0K0.03%+45,670New
Manufacturers Life Insurance Company, The43,789$690.0K0.00%+437+1.0%Added
Millennium Management LLC41,683$657.0K0.00%−62,547−60.0%Reduced
Prelude Capital Management, LLC40,029$631.0K0.03%+40,029New
Rockefeller Capital Management L.P.38,916$613.0K0.00%+916+2.4%Added
Oppenheimer & Co Inc35,106$553.0K0.01%+168+0.5%Added
Voya Investment Management LLC32,621$514.0K0.00%−459−1.4%Reduced
Jupiter Asset Management Ltd30,950$498.0K0.01%−28,468−47.9%Reduced
ProShare Advisors LLC31,414$495.0K0.00%+2,717+9.5%Added
State Board of Administration of Florida Retirement System31,135$491.0K0.00%+602+2.0%Added
Franklin Resources Inc30,504$480.0K0.00%+40.0%Added
DekaBank Deutsche Girozentrale28,400$476.0K0.00%+800+2.9%Added
MetLife Investment Management29,753$468.9K0.00%00.0%Unchanged
Nomura Holdings Inc25,014$394.0K0.00%−586−2.3%Reduced
Gsa Capital Partners LLP24,381$384.0K0.05%+24,381New
Royal Bank of Canada23,945$377.0K0.00%+10,427+77.1%Added
Erste Asset Management GmbH22,000$374.9K0.01%00.0%Unchanged
Metropolitan Life Insurance Co22,596$356.1K0.00%00.0%Unchanged
Price T Rowe Associates Inc22,501$355.0K0.00%−11,728−34.3%Reduced
Americana Partners, LLC20,500$323.0K0.06%+7,475+57.4%Added
Natixis Advisors, L.P.19,469$307.0K0.00%−135−0.7%Reduced
Arizona State Retirement System19,390$306.0K0.00%−77−0.4%Reduced
Corton Capital Inc.19,408$306.0K0.14%+19,408New
Handelsbanken Fonder AB19,100$301.0K0.00%00.0%Unchanged
Cubist Systematic Strategies, LLC18,823$297.0K0.00%+1,277+7.3%Added
Connor, Clark & Lunn Investment Management Ltd.18,477$291.0K0.00%+2,513+15.7%Added
Ensign Peak Advisors, Inc17,920$282.0K0.00%−50,800−73.9%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.16,131$272.0K0.00%−5,657−26.0%Reduced
Bradley Foster & Sargent Inc16,581$261.0K0.01%+16,581New