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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
Concord Wealth Partners44$1.00K0.00%+44New
Covestor Ltd34$1.00K0.00%+34New
Ellevest, Inc.134$2.00K0.00%00.0%Unchanged
US Bancorp209$3.00K0.00%00.0%Unchanged
Captrust Financial Advisors266$4.00K0.00%00.0%Unchanged
Dark Forest Capital Management LP304$5.00K0.00%−262−46.3%Reduced
Hall Laurie J Trustee340$5.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.290$5.00K0.00%00.0%Unchanged
Parallel Advisors, LLC315$5.00K0.00%+107+51.4%Added
TCI Wealth Advisors, Inc.359$6.00K0.00%+209+139.3%Added
Macquarie Group Ltd639$10.0K0.00%−2,672−80.7%Reduced
NEXT Financial Group, Inc685$11.0K0.00%00.0%Unchanged
Smithfield Trust Co723$12.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.878$14.0K0.00%+236+36.8%Added
Point72 Hong Kong Ltd1,630$26.0K0.00%−6,215−79.2%Reduced
Geneos Wealth Management Inc.2,170$34.0K0.00%00.0%Unchanged
Signaturefd, LLC2,400$38.0K0.00%00.0%Unchanged
State of Wyoming3,024$48.0K0.02%+81+2.8%Added
Great West Life Assurance Co3,275$51.0K0.00%00.0%Unchanged
Simplex Trading, LLC4,090$64.0K0.00%+3,315+427.7%Added
Ameritas Investment Partners, Inc.6,782$107.0K0.00%+615+10.0%Added
Tower Research Capital LLC (TRC)7,122$112.0K0.00%−14,350−66.8%Reduced
American Portfolios Advisors8,600$135.5K0.00%−500−5.5%Reduced
ACT Capital Management, LLC9,200$145.0K0.10%−107,700−92.1%Reduced
Principal Financial Group Inc10,146$160.0K0.00%−6,306−38.3%Reduced
Virtus ETF Advisers LLC10,456$165.0K0.06%−4,041−27.9%Reduced
Stifel Financial Corp10,570$167.0K0.00%−336−3.1%Reduced
Victory Capital Management Inc11,320$178.0K0.00%+259+2.3%Added
Amalgamated Bank11,375$179.0K0.00%+219+2.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)11,562$182.0K0.00%−206−1.8%Reduced
Princeton Capital Management LLC11,656$184.0K0.05%−435−3.6%Reduced
AlphaCrest Capital Management LLC11,986$189.0K0.01%+11,986New
Virginia Retirement Systems Et Al12,600$199.0K0.00%−4,000−24.1%Reduced
Jane Street Group, LLC13,172$208.0K0.00%−10,502−44.4%Reduced
Trexquant Investment LP13,470$212.0K0.01%−13,778−50.6%Reduced
Algert Global LLC13,553$214.0K0.03%−4,500−24.9%Reduced
Teacher Retirement System of Texas13,719$216.0K0.00%+2,268+19.8%Added
Bailard, Inc.15,047$237.0K0.01%+15,047New
Letko, Brosseau & Associates Inc15,700$247.0K0.00%+15,700New
Bradley Foster & Sargent Inc16,581$261.0K0.01%+16,581New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.16,131$272.0K0.00%−5,657−26.0%Reduced
Ensign Peak Advisors, Inc17,920$282.0K0.00%−50,800−73.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.18,477$291.0K0.00%+2,513+15.7%Added
Cubist Systematic Strategies, LLC18,823$297.0K0.00%+1,277+7.3%Added
Handelsbanken Fonder AB19,100$301.0K0.00%00.0%Unchanged
Arizona State Retirement System19,390$306.0K0.00%−77−0.4%Reduced
Corton Capital Inc.19,408$306.0K0.14%+19,408New
Natixis Advisors, L.P.19,469$307.0K0.00%−135−0.7%Reduced
Americana Partners, LLC20,500$323.0K0.06%+7,475+57.4%Added
Price T Rowe Associates Inc22,501$355.0K0.00%−11,728−34.3%Reduced
Metropolitan Life Insurance Co22,596$356.1K0.00%00.0%Unchanged
Erste Asset Management GmbH22,000$374.9K0.01%00.0%Unchanged
Royal Bank of Canada23,945$377.0K0.00%+10,427+77.1%Added
Gsa Capital Partners LLP24,381$384.0K0.05%+24,381New
Nomura Holdings Inc25,014$394.0K0.00%−586−2.3%Reduced
MetLife Investment Management29,753$468.9K0.00%00.0%Unchanged
DekaBank Deutsche Girozentrale28,400$476.0K0.00%+800+2.9%Added
Franklin Resources Inc30,504$480.0K0.00%+40.0%Added
State Board of Administration of Florida Retirement System31,135$491.0K0.00%+602+2.0%Added
ProShare Advisors LLC31,414$495.0K0.00%+2,717+9.5%Added
Jupiter Asset Management Ltd30,950$498.0K0.01%−28,468−47.9%Reduced
Voya Investment Management LLC32,621$514.0K0.00%−459−1.4%Reduced
Oppenheimer & Co Inc35,106$553.0K0.01%+168+0.5%Added
Rockefeller Capital Management L.P.38,916$613.0K0.00%+916+2.4%Added
Prelude Capital Management, LLC40,029$631.0K0.03%+40,029New
Millennium Management LLC41,683$657.0K0.00%−62,547−60.0%Reduced
Manufacturers Life Insurance Company, The43,789$690.0K0.00%+437+1.0%Added
Engineers Gate Manager LP45,670$720.0K0.03%+45,670New
American International Group, Inc.46,186$728.0K0.00%+953+2.1%Added
Invesco Ltd.47,048$742.0K0.00%−5,020−9.6%Reduced
Allspring Global Investments Holdings, LLC47,498$748.0K0.00%+47,498New
BNP Paribas Arbitrage, SA49,197$775.3K0.00%+20,102+69.1%Added
Wells Fargo & Company53,166$837.0K0.00%−3,367−6.0%Reduced
Parametric Portfolio Associates LLC55,496$875.0K0.00%+8,145+17.2%Added
New York State Common Retirement Fund57,781$911.0K0.00%−193−0.3%Reduced
Credit Suisse AG60,102$946.0K0.00%−800,637−93.0%Reduced
Public Employees Retirement System of Ohio61,775$974.0K0.00%−29,449−32.3%Reduced
Vident Investment Advisory, LLC62,557$986.0K0.03%−38,799−38.3%Reduced
Deutsche Bank AG65,831$1.04M0.00%−208,566−76.0%Reduced
Citadel Advisors LLC68,736$1.08M0.00%+36,174+111.1%Added
UBS Asset Management Americas Inc73,262$1.15M0.00%+53+0.1%Added
Alliancebernstein L.P.73,640$1.16M0.00%−1,700−2.3%Reduced
Legal & General Group Plc75,027$1.18M0.00%+17,240+29.8%Added
Trellus Management Company, LLC95,000$1.50M1.76%−10,100−9.6%Reduced
Altrinsic Global Advisors LLC100,000$1.58M0.05%00.0%Unchanged
Alps Advisors Inc102,324$1.61M0.02%−1,553−1.5%Reduced
California State Teachers Retirement System108,237$1.71M0.00%+5,159+5.0%Added
Two Sigma Advisers, LP117,300$1.85M0.00%−327,100−73.6%Reduced
PDT Partners, LLC118,400$1.87M0.14%+19,700+20.0%Added
Bank of America Corp123,867$1.95M0.00%+62,717+102.6%Added
Hennion & Walsh Asset Management, Inc.125,511$1.98M0.10%+50,052+66.3%Added
Susquehanna International Group, LLP126,897$2.00M0.00%+23,127+22.3%Added
Rhumbline Advisers128,089$2.02M0.00%+2,052+1.6%Added
State of Wisconsin Investment Board150,401$2.37M0.00%00.0%Unchanged
Swiss National Bank157,900$2.49M0.00%00.0%Unchanged
Canada Pension Plan Investment Board182,000$2.87M0.00%−11,000−5.7%Reduced
Integral Health Asset Management, LLC200,000$3.15M0.88%00.0%Unchanged
Public Sector Pension Investment Board201,000$3.17M0.02%+115,000+133.7%Added
SG Americas Securities, LLC218,354$3.44M0.02%−31,899−12.7%Reduced
Barclays PLC233,192$3.67M0.00%−69,991−23.1%Reduced