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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, Q1 2023

Institutional positions in Atara Biotherapeutics, Inc. as of Mar 31, 2023. 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
125
−14 vs. Q4 2022
Shares held
102.7M
+5.35M (+5.5%) vs. Q4 2022
Total value
$297.8M
−$21.5M (−6.7%) vs. Q4 2022
New holders
8
52 more added
Sold out
22
42 more reduced

Compare with Q4 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 holdersQ1 2023: 125 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 heldQ1 2023: $297.8M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q4 2022.

Institutions holding ATRA in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.9,271,298$26.9M0.00%+119,149+1.3%Added
Baupost Group LLCSuperinvestorBaupost Group9,123,616$26.5M0.45%+1,000,000+12.3%Added
Wasatch Advisors Inc8,354,321$24.2M0.15%−36,693−0.4%Reduced
State Street Corp8,237,473$23.9M0.00%+587,733+7.7%Added
JPMorgan Chase & Co7,655,769$22.2M0.00%+156,334+2.1%Added
Vanguard Group Inc6,855,186$19.9M0.00%−355,862−4.9%Reduced
Goldman Sachs Group Inc6,671,703$19.3M0.01%+428,090+6.9%Added
Maverick Capital LtdSuperinvestorMaverick Capital6,290,713$18.2M0.47%−3000.0%Reduced
Redmile Group, LLC5,612,056$16.3M0.71%−630,700−10.1%Reduced
D. E. Shaw & Co., Inc.4,229,807$12.3M0.02%+697,807+19.8%Added
Morgan Stanley2,947,236$8.55M0.00%+257,492+9.6%Added
Citadel Advisors LLC2,251,718$6.53M0.01%+853,953+61.1%Added
Geode Capital Management, LLC1,914,578$5.55M0.00%+70,960+3.8%Added
Nuveen Asset Management, LLC1,662,112$4.82M0.00%+387,265+30.4%Added
Ameriprise Financial Inc1,479,865$4.29M0.00%+146,445+11.0%Added
Renaissance Technologies LLC1,437,700$4.17M0.01%+1,272,700+771.3%Added
Dimensional Fund Advisors LP1,432,142$4.15M0.00%+543,977+61.2%Added
Norges Bank1,216,213$3.53M0.00%+347,555+40.0%Added
Bank of America Corp1,214,300$3.52M0.00%+837,836+222.6%Added
Antipodean Advisors LLC1,000,000$2.90M17.94%00.0%Unchanged
Citigroup Inc911,219$2.64M0.00%−114,199−11.1%Reduced
Northern Trust Corp876,864$2.54M0.00%−4,038−0.5%Reduced
Baker Bros. Advisors LP744,186$2.16M0.01%00.0%Unchanged
Rafferty Asset Management, LLC710,258$2.06M0.01%+60,480+9.3%Added
Deutsche Bank AG708,242$2.05M0.00%+17,762+2.6%Added
Charles Schwab Investment Management Inc660,074$1.91M0.00%−47,890−6.8%Reduced
Jacobs Levy Equity Management, Inc654,855$1.90M0.01%−308,417−32.0%Reduced
Pacific Heights Asset Management LLC525,000$1.52M0.14%00.0%Unchanged
Millennium Management LLC508,795$1.48M0.00%+369,715+265.8%Added
Staley Capital Advisers Inc450,000$1.30M0.07%00.0%Unchanged
M28 Capital Management LP439,300$1.27M1.44%00.0%Unchanged
Barclays PLC400,563$1.16M0.00%+113,137+39.4%Added
Pinnacle Associates Ltd399,316$1.16M0.02%+6,118+1.6%Added
UBS Group AG334,587$970.3K0.00%−20,684−5.8%Reduced
Bank of New York Mellon Corp325,572$944.2K0.00%+6,066+1.9%Added
ExodusPoint Capital Management, LP273,484$793.0K0.01%+212,229+346.5%Added
Hennion & Walsh Asset Management, Inc.269,146$781.0K0.05%−8,055−2.9%Reduced
BNP Paribas Arbitrage, SA257,906$747.9K0.00%+150,747+140.7%Added
Susquehanna International Group, LLP221,705$642.9K0.00%+164,615+288.3%Added
State of Wisconsin Investment Board215,582$625.2K0.00%−95,230−30.6%Reduced
Cubist Systematic Strategies, LLC204,350$592.6K0.01%+22,899+12.6%Added
Raymond James & Associates188,903$547.8K0.00%+7,190+4.0%Added
Public Employees Retirement System of Ohio188,581$547.0K0.00%−26,814−12.4%Reduced
Boston Private Wealth LLC176,867$512.9K0.01%−450.0%Reduced
Swiss National Bank174,000$504.6K0.00%−19,700−10.2%Reduced
Rhumbline Advisers147,372$427.0K0.00%+4,315+3.0%Added
Candriam Luxembourg S.C.A.146,159$390.1K0.00%−44,883−23.5%Reduced
FMR LLC128,549$372.8K0.00%−3,972−3.0%Reduced
Wells Fargo & Company123,635$358.5K0.00%+110,885+869.7%Added
Alliancebernstein L.P.118,840$344.6K0.00%−800−0.7%Reduced
UBS Asset Management Americas Inc108,004$313.2K0.00%+108,004New
Squarepoint Ops LLC106,781$309.7K0.00%+66,032+162.0%Added
California State Teachers Retirement System105,764$306.7K0.00%−1,224−1.1%Reduced
Caxton Associates LP105,472$305.9K0.05%−94,214−47.2%Reduced
Profund Advisors LLC104,484$303.0K0.02%+104,484New
Credit Suisse AG95,056$275.7K0.00%+8,485+9.8%Added
Walleye Capital LLC88,393$256.3K0.01%−102,900−53.8%Reduced
Price T Rowe Associates Inc74,866$218.0K0.00%−6,466−8.0%Reduced
Voya Investment Management LLC74,704$216.6K0.00%+5,554+8.0%Added
Thrivent Financial for Lutherans73,642$214.0K0.00%00.0%Unchanged
Gsa Capital Partners LLP70,518$205.0K0.02%+52,923+300.8%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.61,994$179.8K0.00%00.0%Unchanged
Josh Arnold Investment Consultant, LLC55,000$160.0K0.19%+3,000+5.8%Added
Rockefeller Capital Management L.P.53,936$156.0K0.00%00.0%Unchanged
Shell Asset Management Co53,824$156.0K0.01%+53,824New
AQR Capital Management LLC50,964$147.8K0.00%−84,731−62.4%Reduced
MetLife Investment Management49,730$144.2K0.00%+13,657+37.9%Added
B. Metzler seel. Sohn & Co. AG49,282$142.9K0.00%00.0%Unchanged
Royal Bank of Canada45,643$132.0K0.00%+20,050+78.3%Added
American International Group, Inc.45,496$131.9K0.00%+1,632+3.7%Added
Allspring Global Investments Holdings, LLC45,103$130.8K0.00%−596−1.3%Reduced
New York State Common Retirement Fund39,589$114.8K0.00%−19,515−33.0%Reduced
Manufacturers Life Insurance Company, The36,993$107.3K0.00%00.0%Unchanged
SG Americas Securities, LLC34,707$101.0K0.00%+7,792+29.0%Added
Janus Henderson Group PLC32,828$95.0K0.00%+18,269+125.5%Added
Invesco Ltd.32,423$94.0K0.00%−38,573−54.3%Reduced
E Fund Management Co., Ltd.32,062$93.0K0.01%+5,710+21.7%Added
Envestnet Asset Management Inc31,827$92.3K0.00%+17,521+122.5%Added
State Board of Administration of Florida Retirement System31,145$90.3K0.00%00.0%Unchanged
Franklin Resources Inc29,382$85.2K0.00%+7,843+36.4%Added
Stifel Financial Corp28,492$82.6K0.00%+732+2.6%Added
SEI Investments Co27,491$79.7K0.00%+12,010+77.6%Added
Point72 Asset Management, L.P.27,258$79.0K0.00%+27,258New
Principal Financial Group Inc26,747$77.6K0.00%+3,275+14.0%Added
Oppenheimer & Co Inc26,297$76.3K0.00%−1,053−3.9%Reduced
Virtus ETF Advisers LLC26,074$75.6K0.04%−10,026−27.8%Reduced
Teacher Retirement System of Texas24,844$72.0K0.00%+422+1.7%Added
Mirae Asset Global Investments Co., Ltd.23,763$68.9K0.00%−14,986−38.7%Reduced
Arizona State Retirement System23,367$67.8K0.00%+735+3.2%Added
American Century Companies Inc22,618$63.3K0.00%+7,553+50.1%Added
Erste Asset Management GmbH22,000$61.6K0.00%00.0%Unchanged
Jane Street Group, LLC18,257$52.9K0.00%−129,750−87.7%Reduced
ProShare Advisors LLC17,746$51.5K0.00%−2,032−10.3%Reduced
Letko, Brosseau & Associates Inc17,500$50.8K0.00%00.0%Unchanged
Daiwa Securities Group Inc.15,667$45.0K0.00%+3,020+23.9%Added
Legal & General Group Plc15,159$44.0K0.00%−65,160−81.1%Reduced
Dimension Capital Management LLC14,000$40.6K0.01%00.0%Unchanged
Wealth Architects, LLC13,277$38.5K0.01%00.0%Unchanged
Simplex Trading, LLC13,151$38.0K0.00%+12,092+1,141.8%Added
Denali Advisors LLC13,100$38.0K0.02%00.0%Unchanged