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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
CWM, LLC133$00.00%−558−80.8%Reduced
The PNC Financial Services Group, Inc.49$1420.00%00.0%Unchanged
Lindbrook Capital, LLC119$3450.00%00.0%Unchanged
Advisory Services Network, LLC147$4260.00%−17−10.4%Reduced
Parallel Advisors, LLC629$1.82K0.00%−417−39.9%Reduced
Cutler Group LP1,200$3.00K0.00%+1,200New
US Bancorp1,061$3.08K0.00%−2,288−68.3%Reduced
China Universal Asset Management Co., Ltd.1,300$3.77K0.00%+336+34.9%Added
Nisa Investment Advisors, LLC1,450$4.00K0.00%−2,900−66.7%Reduced
Signaturefd, LLC2,698$7.82K0.00%−760−22.0%Reduced
Great West Life Assurance Co3,275$9.00K0.00%00.0%Unchanged
Lazard Asset Management LLC4,301$12.0K0.00%−11,085−72.0%Reduced
Itau Unibanco Holding S.A.4,280$12.4K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.4,589$13.3K0.00%−66−1.4%Reduced
Metropolitan Life Insurance Co5,162$15.0K0.00%−654−11.2%Reduced
Russell Investments Group, Ltd.5,711$16.6K0.00%+5,711New
Ameritas Investment Partners, Inc.6,782$19.7K0.00%00.0%Unchanged
Amundi7,339$20.4K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)9,041$26.0K0.00%+6,958+334.0%Added
Captrust Financial Advisors10,306$29.9K0.00%+10,306New
Victory Capital Management Inc10,318$29.9K0.00%+37+0.4%Added
Amalgamated Bank10,193$30.0K0.00%−1,761−14.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)11,676$33.9K0.00%−1,793−13.3%Reduced
Lake Street Advisors Group, LLC11,560$34.0K0.00%+11,560New
Denali Advisors LLC13,100$38.0K0.02%00.0%Unchanged
Simplex Trading, LLC13,151$38.0K0.00%+12,092+1,141.8%Added
Wealth Architects, LLC13,277$38.5K0.01%00.0%Unchanged
Dimension Capital Management LLC14,000$40.6K0.01%00.0%Unchanged
Legal & General Group Plc15,159$44.0K0.00%−65,160−81.1%Reduced
Daiwa Securities Group Inc.15,667$45.0K0.00%+3,020+23.9%Added
Letko, Brosseau & Associates Inc17,500$50.8K0.00%00.0%Unchanged
ProShare Advisors LLC17,746$51.5K0.00%−2,032−10.3%Reduced
Jane Street Group, LLC18,257$52.9K0.00%−129,750−87.7%Reduced
Erste Asset Management GmbH22,000$61.6K0.00%00.0%Unchanged
American Century Companies Inc22,618$63.3K0.00%+7,553+50.1%Added
Arizona State Retirement System23,367$67.8K0.00%+735+3.2%Added
Mirae Asset Global Investments Co., Ltd.23,763$68.9K0.00%−14,986−38.7%Reduced
Teacher Retirement System of Texas24,844$72.0K0.00%+422+1.7%Added
Virtus ETF Advisers LLC26,074$75.6K0.04%−10,026−27.8%Reduced
Oppenheimer & Co Inc26,297$76.3K0.00%−1,053−3.9%Reduced
Principal Financial Group Inc26,747$77.6K0.00%+3,275+14.0%Added
Point72 Asset Management, L.P.27,258$79.0K0.00%+27,258New
SEI Investments Co27,491$79.7K0.00%+12,010+77.6%Added
Stifel Financial Corp28,492$82.6K0.00%+732+2.6%Added
Franklin Resources Inc29,382$85.2K0.00%+7,843+36.4%Added
State Board of Administration of Florida Retirement System31,145$90.3K0.00%00.0%Unchanged
Envestnet Asset Management Inc31,827$92.3K0.00%+17,521+122.5%Added
E Fund Management Co., Ltd.32,062$93.0K0.01%+5,710+21.7%Added
Invesco Ltd.32,423$94.0K0.00%−38,573−54.3%Reduced
Janus Henderson Group PLC32,828$95.0K0.00%+18,269+125.5%Added
SG Americas Securities, LLC34,707$101.0K0.00%+7,792+29.0%Added
Manufacturers Life Insurance Company, The36,993$107.3K0.00%00.0%Unchanged
New York State Common Retirement Fund39,589$114.8K0.00%−19,515−33.0%Reduced
Allspring Global Investments Holdings, LLC45,103$130.8K0.00%−596−1.3%Reduced
American International Group, Inc.45,496$131.9K0.00%+1,632+3.7%Added
Royal Bank of Canada45,643$132.0K0.00%+20,050+78.3%Added
B. Metzler seel. Sohn & Co. AG49,282$142.9K0.00%00.0%Unchanged
MetLife Investment Management49,730$144.2K0.00%+13,657+37.9%Added
AQR Capital Management LLC50,964$147.8K0.00%−84,731−62.4%Reduced
Rockefeller Capital Management L.P.53,936$156.0K0.00%00.0%Unchanged
Shell Asset Management Co53,824$156.0K0.01%+53,824New
Josh Arnold Investment Consultant, LLC55,000$160.0K0.19%+3,000+5.8%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.61,994$179.8K0.00%00.0%Unchanged
Gsa Capital Partners LLP70,518$205.0K0.02%+52,923+300.8%Added
Thrivent Financial for Lutherans73,642$214.0K0.00%00.0%Unchanged
Voya Investment Management LLC74,704$216.6K0.00%+5,554+8.0%Added
Price T Rowe Associates Inc74,866$218.0K0.00%−6,466−8.0%Reduced
Walleye Capital LLC88,393$256.3K0.01%−102,900−53.8%Reduced
Credit Suisse AG95,056$275.7K0.00%+8,485+9.8%Added
Profund Advisors LLC104,484$303.0K0.02%+104,484New
Caxton Associates LP105,472$305.9K0.05%−94,214−47.2%Reduced
California State Teachers Retirement System105,764$306.7K0.00%−1,224−1.1%Reduced
Squarepoint Ops LLC106,781$309.7K0.00%+66,032+162.0%Added
UBS Asset Management Americas Inc108,004$313.2K0.00%+108,004New
Alliancebernstein L.P.118,840$344.6K0.00%−800−0.7%Reduced
Wells Fargo & Company123,635$358.5K0.00%+110,885+869.7%Added
FMR LLC128,549$372.8K0.00%−3,972−3.0%Reduced
Candriam Luxembourg S.C.A.146,159$390.1K0.00%−44,883−23.5%Reduced
Rhumbline Advisers147,372$427.0K0.00%+4,315+3.0%Added
Swiss National Bank174,000$504.6K0.00%−19,700−10.2%Reduced
Boston Private Wealth LLC176,867$512.9K0.01%−450.0%Reduced
Public Employees Retirement System of Ohio188,581$547.0K0.00%−26,814−12.4%Reduced
Raymond James & Associates188,903$547.8K0.00%+7,190+4.0%Added
Cubist Systematic Strategies, LLC204,350$592.6K0.01%+22,899+12.6%Added
State of Wisconsin Investment Board215,582$625.2K0.00%−95,230−30.6%Reduced
Susquehanna International Group, LLP221,705$642.9K0.00%+164,615+288.3%Added
BNP Paribas Arbitrage, SA257,906$747.9K0.00%+150,747+140.7%Added
Hennion & Walsh Asset Management, Inc.269,146$781.0K0.05%−8,055−2.9%Reduced
ExodusPoint Capital Management, LP273,484$793.0K0.01%+212,229+346.5%Added
Bank of New York Mellon Corp325,572$944.2K0.00%+6,066+1.9%Added
UBS Group AG334,587$970.3K0.00%−20,684−5.8%Reduced
Pinnacle Associates Ltd399,316$1.16M0.02%+6,118+1.6%Added
Barclays PLC400,563$1.16M0.00%+113,137+39.4%Added
M28 Capital Management LP439,300$1.27M1.44%00.0%Unchanged
Staley Capital Advisers Inc450,000$1.30M0.07%00.0%Unchanged
Millennium Management LLC508,795$1.48M0.00%+369,715+265.8%Added
Pacific Heights Asset Management LLC525,000$1.52M0.14%00.0%Unchanged
Jacobs Levy Equity Management, Inc654,855$1.90M0.01%−308,417−32.0%Reduced
Charles Schwab Investment Management Inc660,074$1.91M0.00%−47,890−6.8%Reduced
Deutsche Bank AG708,242$2.05M0.00%+17,762+2.6%Added