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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 2022

Institutional positions in Atara Biotherapeutics, Inc. as of Dec 31, 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
139
−12 vs. Q3 2022
Shares held
97.3M
−288.1K (−0.3%) vs. Q3 2022
Total value
$319.3M
−$49.8M (−13.5%) vs. Q3 2022
New holders
13
49 more added
Sold out
25
53 more reduced

4 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2022: 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 2022: $319.3M
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 2022

Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q3 2022.

Institutions holding ATRA in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Dark Forest Capital Management LP15$490.00%−4,218−99.6%Reduced
Ellevest, Inc.18$590.00%+18New
Allworth Financial LP45$1480.00%00.0%Unchanged
The PNC Financial Services Group, Inc.49$1610.00%00.0%Unchanged
Quadrant Capital Group LLC107$3510.00%−1,974−94.9%Reduced
Lindbrook Capital, LLC119$3900.00%−377−76.0%Reduced
Advisory Services Network, LLC164$5380.00%+164New
Federated Hermes, Inc.170$5580.00%+170New
Hall Laurie J Trustee235$1.00K0.00%00.0%Unchanged
CWM, LLC691$2.00K0.00%−399−36.6%Reduced
Simplex Trading, LLC1,059$3.00K0.00%−292−21.6%Reduced
China Universal Asset Management Co., Ltd.964$3.16K0.00%+81+9.2%Added
Parallel Advisors, LLC1,046$3.43K0.00%+935+842.3%Added
Tower Research Capital LLC (TRC)2,083$7.00K0.00%−15,867−88.4%Reduced
US Bancorp3,349$11.0K0.00%−4,315−56.3%Reduced
Great West Life Assurance Co3,275$11.0K0.00%00.0%Unchanged
Signaturefd, LLC3,458$11.3K0.00%−2,440−41.4%Reduced
Nisa Investment Advisors, LLC4,350$14.0K0.00%−2,110−32.7%Reduced
Itau Unibanco Holding S.A.4,280$14.0K0.00%+453+11.8%Added
Advisor Group Holdings, Inc.4,655$15.8K0.00%+3,804+447.0%Added
Metropolitan Life Insurance Co5,816$19.1K0.00%+2,596+80.6%Added
Amundi7,339$26.9K0.00%00.0%Unchanged
Aquatic Capital Management LLC8,300$27.0K0.00%−38,300−82.2%Reduced
Ameritas Investment Partners, Inc.6,782$28.2K0.00%00.0%Unchanged
Running Point Capital Advisors, LLC10,000$32.8K0.02%00.0%Unchanged
Victory Capital Management Inc10,281$33.7K0.00%−40.0%Reduced
Beacon Pointe Advisors, LLC11,000$36.1K0.00%+11,000New
Amalgamated Bank11,954$39.0K0.00%00.0%Unchanged
Daiwa Securities Group Inc.12,647$41.0K0.00%+1,386+12.3%Added
Wells Fargo & Company12,750$41.8K0.00%−5,791−31.2%Reduced
Denali Advisors LLC13,100$43.0K0.02%00.0%Unchanged
Wealth Architects, LLC13,277$43.5K0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)13,469$44.2K0.00%+2,909+27.5%Added
Dimension Capital Management LLC14,000$45.9K0.01%+14,000New
Envestnet Asset Management Inc14,306$46.9K0.00%−1,739−10.8%Reduced
Janus Henderson Group PLC14,559$47.5K0.00%00.0%Unchanged
American Century Companies Inc15,065$49.4K0.00%+15,065New
Lazard Asset Management LLC15,386$50.0K0.00%+3,464+29.1%Added
SEI Investments Co15,481$50.8K0.00%−691−4.3%Reduced
Letko, Brosseau & Associates Inc17,500$57.4K0.00%+1,800+11.5%Added
Gsa Capital Partners LLP17,595$58.0K0.01%−37,613−68.1%Reduced
Y-Intercept (Hong Kong) Ltd18,819$61.7K0.01%+18,819New
ProShare Advisors LLC19,778$64.9K0.00%+1,620+8.9%Added
Erste Asset Management GmbH22,000$69.1K0.00%00.0%Unchanged
Franklin Resources Inc21,539$70.6K0.00%−3,412−13.7%Reduced
Arizona State Retirement System22,632$74.2K0.00%+1,057+4.9%Added
Principal Financial Group Inc23,472$77.0K0.00%+3,076+15.1%Added
Teacher Retirement System of Texas24,422$80.0K0.00%−1,421−5.5%Reduced
Royal Bank of Canada25,593$84.0K0.00%+6,285+32.6%Added
Globeflex Capital L P25,783$84.6K0.01%+25,783New
E Fund Management Co., Ltd.26,352$86.0K0.01%−10,321−28.1%Reduced
SG Americas Securities, LLC26,915$88.0K0.00%−4,878−15.3%Reduced
Oppenheimer & Co Inc27,350$89.7K0.00%−2,964−9.8%Reduced
Stifel Financial Corp27,760$91.1K0.00%−960−3.3%Reduced
XTX Topco Ltd28,652$94.0K0.02%−137,838−82.8%Reduced
State Board of Administration of Florida Retirement System31,145$102.2K0.00%00.0%Unchanged
Point72 Middle East FZE34,728$113.9K0.01%+34,728New
Alpine Global Management, LLC35,475$116.0K0.04%+35,475New
MetLife Investment Management36,073$118.3K0.00%−11,217−23.7%Reduced
Virtus ETF Advisers LLC36,100$118.4K0.06%+15,856+78.3%Added
Manufacturers Life Insurance Company, The36,993$121.3K0.00%−213−0.6%Reduced
Mirae Asset Global Investments Co., Ltd.38,749$127.1K0.00%+46+0.1%Added
Squarepoint Ops LLC40,749$133.7K0.00%−163,145−80.0%Reduced
American International Group, Inc.43,864$143.9K0.00%−160−0.4%Reduced
HRT Financial LP44,751$146.0K0.00%−90,568−66.9%Reduced
Allspring Global Investments Holdings, LLC45,699$149.9K0.00%+7,529+19.7%Added
B. Metzler seel. Sohn & Co. AG49,282$161.6K0.00%+9,302+23.3%Added
Josh Arnold Investment Consultant, LLC52,000$171.0K0.25%+22,000+73.3%Added
Rockefeller Capital Management L.P.53,936$176.0K0.00%00.0%Unchanged
Qube Research & Technologies Ltd55,997$183.7K0.00%+55,997New
Susquehanna International Group, LLP57,090$187.3K0.00%−168,728−74.7%Reduced
New York State Common Retirement Fund59,104$193.9K0.00%−71−0.1%Reduced
ExodusPoint Capital Management, LP61,255$201.0K0.00%+1,313+2.2%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.61,994$203.3K0.00%+13,046+26.7%Added
Creative Planning65,659$215.4K0.00%−1,459−2.2%Reduced
Voya Investment Management LLC69,150$226.8K0.00%+33,714+95.1%Added
Invesco Ltd.70,996$232.9K0.00%−591−0.8%Reduced
Thrivent Financial for Lutherans73,642$241.0K0.00%00.0%Unchanged
Legal & General Group Plc80,319$263.4K0.00%00.0%Unchanged
Price T Rowe Associates Inc81,332$267.0K0.00%−25,623−24.0%Reduced
Credit Suisse AG86,571$284.0K0.00%+25,051+40.7%Added
Two Sigma Investments, LP92,629$303.8K0.00%+80,796+682.8%Added
California State Teachers Retirement System106,988$350.9K0.00%+2,064+2.0%Added
BNP Paribas Arbitrage, SA107,159$351.5K0.00%−91,108−46.0%Reduced
Alliancebernstein L.P.119,640$392.4K0.00%+12,600+11.8%Added
FMR LLC132,521$434.7K0.00%−83,597−38.7%Reduced
AQR Capital Management LLC135,695$445.1K0.00%−374,474−73.4%Reduced
Millennium Management LLC139,080$456.0K0.00%+3,865+2.9%Added
Rhumbline Advisers143,057$469.0K0.00%+1,352+1.0%Added
Jane Street Group, LLC148,007$485.5K0.00%+70,093+90.0%Added
Renaissance Technologies LLC165,000$541.0K0.00%−171,100−50.9%Reduced
Boston Private Wealth LLC176,912$580.3K0.01%−105−0.1%Reduced
Cubist Systematic Strategies, LLC181,451$595.2K0.01%+155,971+612.1%Added
Raymond James & Associates181,713$596.0K0.00%−2,625−1.4%Reduced
Tudor Investment Corp Et Al183,283$601.0K0.01%−37,352−16.9%Reduced
Candriam Luxembourg S.C.A.191,042$626.6K0.00%−33,550−14.9%Reduced
Walleye Capital LLC191,293$627.4K0.01%−184,718−49.1%Reduced
Swiss National Bank193,700$635.3K0.00%+7,300+3.9%Added
Caxton Associates LP199,686$655.0K0.05%+2,660+1.4%Added
Healthcare of Ontario Pension Plan Trust Fund208,100$682.6K0.00%+208,100New