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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 2022

Institutional positions in Atara Biotherapeutics, Inc. as of Jun 30, 2022. 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
134
−8 vs. Q1 2022
Shares held
99.8M
+1.98M (+2.0%) vs. Q1 2022
Total value
$777.4M
−$131.5M (−14.5%) vs. Q1 2022
New holders
19
48 more added
Sold out
27
42 more reduced

3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: 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 2022: 134 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 2022: $777.4M
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 2022

Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q1 2022.

Institutions holding ATRA in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
US Bancorp118$1.00K0.00%00.0%Unchanged
Captrust Financial Advisors205$2.00K0.00%−8−3.8%Reduced
Lindbrook Capital, LLC251$2.00K0.00%+251New
State of Wyoming350$3.00K0.00%−3,383−90.6%Reduced
Hall Laurie J Trustee340$3.00K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC650$5.00K0.00%00.0%Unchanged
Macquarie Group Ltd639$5.00K0.00%00.0%Unchanged
Smithfield Trust Co723$6.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.868$7.00K0.00%+113+15.0%Added
Cutler Group LP900$7.00K0.00%+900New
TCI Wealth Advisors, Inc.846$7.00K0.00%+846New
Dark Forest Capital Management LP849$7.00K0.00%+849New
High Net Worth Advisory Group LLC2,500$19.0K0.01%+1,500+150.0%Added
Signaturefd, LLC3,129$24.0K0.00%+526+20.2%Added
Great West Life Assurance Co3,275$26.0K0.00%00.0%Unchanged
Metropolitan Life Insurance Co5,666$44.1K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.6,782$52.0K0.00%00.0%Unchanged
Simplex Trading, LLC7,318$57.0K0.00%−18,474−71.6%Reduced
American Portfolios Advisors8,850$68.9K0.00%00.0%Unchanged
ACT Capital Management, LLC9,200$72.0K0.10%00.0%Unchanged
Running Point Capital Advisors, LLC10,000$78.0K0.05%00.0%Unchanged
Envestnet Asset Management Inc10,456$81.0K0.00%−1,589−13.2%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)10,560$82.0K0.00%−205−1.9%Reduced
Stifel Financial Corp10,533$82.0K0.00%+248+2.4%Added
Princeton Capital Management LLC11,256$88.0K0.03%−400−3.4%Reduced
Victory Capital Management Inc11,417$89.0K0.00%+411+3.7%Added
Amalgamated Bank11,923$93.0K0.00%+1,127+10.4%Added
Teacher Retirement System of Texas12,095$94.0K0.00%−3,352−21.7%Reduced
Caxton Associates LP12,445$97.0K0.01%+12,445New
Tower Research Capital LLC (TRC)12,968$101.0K0.00%−7,057−35.2%Reduced
Quantbot Technologies LP13,642$106.0K0.01%+13,642New
Daiwa Securities Group Inc.14,233$111.0K0.00%+13,943+4,807.9%Added
Janus Henderson Group PLC14,537$113.0K0.00%+16+0.1%Added
Letko, Brosseau & Associates Inc15,700$122.0K0.00%00.0%Unchanged
Principal Financial Group Inc16,023$124.0K0.00%+16,023New
B. Metzler seel. Sohn & Co. AG16,121$126.0K0.00%+16,121New
ProShare Advisors LLC17,587$137.0K0.00%−8,344−32.2%Reduced
Balyasny Asset Management LLC18,666$146.0K0.00%+18,666New
Handelsbanken Fonder AB19,100$149.0K0.00%00.0%Unchanged
Royal Bank of Canada19,622$152.0K0.00%−6,340−24.4%Reduced
Virtus ETF Advisers LLC20,097$157.0K0.06%+10,230+103.7%Added
Franklin Resources Inc20,467$159.0K0.00%−9,957−32.7%Reduced
Erste Asset Management GmbH22,000$166.8K0.00%00.0%Unchanged
Arizona State Retirement System21,445$167.0K0.00%+1,130+5.6%Added
Barclays PLC21,600$168.0K0.00%−52,545−70.9%Reduced
Jane Street Group, LLC25,146$195.0K0.00%+25,146New
Cubist Systematic Strategies, LLC25,700$200.0K0.00%−44,462−63.4%Reduced
E Fund Management Co., Ltd.25,622$200.0K0.02%+6,202+31.9%Added
BNP Paribas Arbitrage, SA26,885$209.4K0.00%+13,547+101.6%Added
Mirae Asset Global Investments Co., Ltd.27,000$211.0K0.00%+27,000New
Allspring Global Investments Holdings, LLC28,692$223.0K0.00%+70+0.2%Added
Citadel Advisors LLC28,744$224.0K0.00%−105,999−78.7%Reduced
DekaBank Deutsche Girozentrale31,200$231.0K0.00%00.0%Unchanged
Josh Arnold Investment Consultant, LLC30,000$234.0K0.30%+30,000New
State Board of Administration of Florida Retirement System31,145$243.0K0.00%+100.0%Added
Wells Fargo & Company31,496$246.0K0.00%+8,786+38.7%Added
Oppenheimer & Co Inc34,364$268.0K0.01%−1,651−4.6%Reduced
Voya Investment Management LLC35,436$276.0K0.00%+1,260+3.7%Added
Manufacturers Life Insurance Company, The37,179$289.6K0.00%+1,801+5.1%Added
UBS Group AG40,818$318.0K0.00%−208,465−83.6%Reduced
MetLife Investment Management42,106$328.0K0.00%−4,577−9.8%Reduced
American International Group, Inc.42,962$335.0K0.00%−186−0.4%Reduced
Rockefeller Capital Management L.P.43,416$338.0K0.00%+5,000+13.0%Added
Price T Rowe Associates Inc44,115$344.0K0.00%+15,436+53.8%Added
Deutsche Bank AG46,445$363.0K0.00%−6,473−12.2%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.48,022$374.0K0.00%+30,799+178.8%Added
Caption Management, LLC52,000$405.0K0.04%+52,000New
Susquehanna International Group, LLP58,881$458.0K0.00%−58,383−49.8%Reduced
New York State Common Retirement Fund58,920$459.0K0.00%−5,525−8.6%Reduced
Credit Suisse AG60,434$471.0K0.00%−4,354−6.7%Reduced
Creative Planning60,728$473.0K0.00%00.0%Unchanged
Millennium Management LLC63,002$491.0K0.00%−382,079−85.8%Reduced
Raymond James & Associates65,223$508.0K0.00%+65,223New
SG Americas Securities, LLC67,211$524.0K0.01%−139,163−67.4%Reduced
Jefferies Group LLC70,000$545.3K0.02%+70,000New
Invesco Ltd.73,403$572.0K0.00%+8,469+13.0%Added
Thrivent Financial for Lutherans73,642$573.0K0.00%+73,642New
Alliancebernstein L.P.74,640$581.0K0.00%+800+1.1%Added
Legal & General Group Plc77,952$607.0K0.00%+1,893+2.5%Added
UBS Asset Management Americas Inc81,523$635.1K0.00%00.0%Unchanged
Tudor Investment Corp Et Al88,023$686.0K0.02%+39,982+83.2%Added
Connor, Clark & Lunn Investment Management Ltd.104,898$817.0K0.00%+59,051+128.8%Added
California State Teachers Retirement System106,478$829.0K0.00%+4,633+4.5%Added
Trellus Management Company, LLC110,000$857.0K1.21%+15,000+15.8%Added
Sector Gamma AS123,713$964.0K0.22%00.0%Unchanged
State of Wisconsin Investment Board126,489$985.0K0.00%−23,912−15.9%Reduced
Rhumbline Advisers139,185$1.08M0.00%+19,831+16.6%Added
Public Employees Retirement System of Ohio139,477$1.09M0.00%+27,576+24.6%Added
Bank of Montreal153,799$1.09M0.00%+153,799New
Arrowstreet Capital, Limited Partnership158,723$1.24M0.00%+115,930+270.9%Added
Swiss National Bank186,400$1.45M0.00%+8,700+4.9%Added
Integral Health Asset Management, LLC208,738$1.63M0.33%−91,262−30.4%Reduced
Renaissance Technologies LLC225,200$1.75M0.00%−344,600−60.5%Reduced
Ensign Peak Advisors, Inc227,527$1.77M0.00%+63,960+39.1%Added
Hennion & Walsh Asset Management, Inc.228,532$1.78M0.11%+71,973+46.0%Added
M28 Capital Management LP269,253$2.10M2.35%−120,100−30.8%Reduced
Bank of New York Mellon Corp294,897$2.30M0.00%−20,370−6.5%Reduced
One Fin Capital Management LP303,000$2.36M0.86%00.0%Unchanged
Alberta Investment Management Corp318,430$2.48M0.02%−64,500−16.8%Reduced
Bank of America Corp346,438$2.70M0.00%+160,052+85.9%Added