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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 2022

Institutional positions in Atara Biotherapeutics, Inc. as of Mar 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
145
+7 vs. Q4 2021
Shares held
97.9M
+2.70M (+2.8%) vs. Q4 2021
Total value
$909.5M
−$590.9M (−39.4%) vs. Q4 2021
New holders
24
53 more added
Sold out
17
45 more reduced

1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2022: 145 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 2022: $909.5M
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 2022

Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q4 2021.

Institutions holding ATRA in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Concord Wealth Partners50$00.00%+6+13.6%Added
Covestor Ltd21$00.00%−13−38.2%Reduced
Northwestern Mutual Wealth Management Co10$00.00%+10New
TCWP LLC42$00.00%+42New
US Bancorp118$1.00K0.00%−91−43.5%Reduced
Ellevest, Inc.134$1.00K0.00%00.0%Unchanged
CWM, LLC111$1.00K0.00%+111New
Parallel Advisors, LLC208$2.00K0.00%−107−34.0%Reduced
Captrust Financial Advisors213$2.00K0.00%−53−19.9%Reduced
Hall Laurie J Trustee340$3.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.290$3.00K0.00%00.0%Unchanged
Macquarie Group Ltd639$6.00K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC650$6.00K0.00%+650New
Advisor Group Holdings, Inc.755$7.00K0.00%−123−14.0%Reduced
Smithfield Trust Co723$7.00K0.00%00.0%Unchanged
High Net Worth Advisory Group LLC1,000$9.00K0.00%+1,000New
Geneos Wealth Management Inc.2,170$20.0K0.00%00.0%Unchanged
Signaturefd, LLC2,603$24.0K0.00%+203+8.5%Added
Great West Life Assurance Co3,275$32.0K0.00%00.0%Unchanged
State of Wyoming3,733$35.0K0.02%+709+23.4%Added
Group One Trading, L.P.4,288$40.0K0.00%+4,288New
Metropolitan Life Insurance Co5,666$52.6K0.00%−16,930−74.9%Reduced
Ameritas Investment Partners, Inc.6,782$63.0K0.00%00.0%Unchanged
Point72 Hong Kong Ltd7,234$67.0K0.01%+5,604+343.8%Added
Victory Capital Management Inc11,006$70.0K0.00%−314−2.8%Reduced
American Portfolios Advisors8,850$82.2K0.00%+250+2.9%Added
ACT Capital Management, LLC9,200$85.0K0.09%00.0%Unchanged
Virtus ETF Advisers LLC9,867$92.0K0.04%−589−5.6%Reduced
Monashee Investment Management LLC10,000$93.0K0.03%+10,000New
Running Point Capital Advisors, LLC10,000$93.0K0.05%+10,000New
Stifel Financial Corp10,285$96.0K0.00%−285−2.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)10,765$100.0K0.00%−797−6.9%Reduced
Amalgamated Bank10,796$100.0K0.00%−579−5.1%Reduced
Amalgamated Financial Corp.10,796$100.0K0.00%+10,796New
Princeton Capital Management LLC11,656$108.0K0.03%00.0%Unchanged
Envestnet Asset Management Inc12,045$112.0K0.00%+12,045New
BNP Paribas Arbitrage, SA13,338$123.9K0.00%−35,859−72.9%Reduced
Susquehanna Fundamental Investments, LLC14,147$131.0K0.00%+14,147New
Gsa Capital Partners LLP14,466$134.0K0.02%−9,915−40.7%Reduced
Janus Henderson Group PLC14,521$135.0K0.00%+14,521New
Teacher Retirement System of Texas15,447$144.0K0.00%+1,728+12.6%Added
Letko, Brosseau & Associates Inc15,700$146.0K0.00%00.0%Unchanged
Engineers Gate Manager LP16,400$152.0K0.01%−29,270−64.1%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.17,223$160.0K0.00%+1,092+6.8%Added
Handelsbanken Fonder AB19,100$177.0K0.00%00.0%Unchanged
E Fund Management Co., Ltd.19,420$180.0K0.01%+19,420New
Tower Research Capital LLC (TRC)20,025$186.0K0.00%+12,903+181.2%Added
Arizona State Retirement System20,315$189.0K0.00%+925+4.8%Added
AlphaCrest Capital Management LLC21,300$198.0K0.01%+9,314+77.7%Added
Erste Asset Management GmbH22,000$202.0K0.00%00.0%Unchanged
Wells Fargo & Company22,710$211.0K0.00%−30,456−57.3%Reduced
XTX Topco Ltd23,282$216.0K0.09%+23,282New
Qube Research & Technologies Ltd23,670$220.0K0.00%+23,670New
Fox Run Management, L.L.C.23,953$223.0K0.12%+23,953New
Simplex Trading, LLC25,792$239.0K0.01%+21,702+530.6%Added
ProShare Advisors LLC25,931$241.0K0.00%−5,483−17.5%Reduced
Royal Bank of Canada25,962$241.0K0.00%+2,017+8.4%Added
Nomura Holdings Inc25,600$243.0K0.00%+586+2.3%Added
Allspring Global Investments Holdings, LLC28,622$265.0K0.00%−18,876−39.7%Reduced
Price T Rowe Associates Inc28,679$266.0K0.00%+6,178+27.5%Added
Franklin Resources Inc30,424$283.0K0.00%−80−0.3%Reduced
DekaBank Deutsche Girozentrale31,200$286.0K0.00%+2,800+9.9%Added
Jupiter Asset Management Ltd30,950$288.0K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System31,135$289.0K0.00%00.0%Unchanged
Trexquant Investment LP31,540$293.0K0.01%+18,070+134.1%Added
Parametric Portfolio Associates LLC31,731$295.0K0.00%−23,765−42.8%Reduced
Walleye Capital LLC31,847$296.0K0.01%+31,847New
AQR Capital Management LLC33,402$310.0K0.00%+33,402New
Voya Investment Management LLC34,176$317.0K0.00%+1,555+4.8%Added
Manufacturers Life Insurance Company, The35,378$328.7K0.00%−8,411−19.2%Reduced
Oppenheimer & Co Inc36,015$335.0K0.01%+909+2.6%Added
PDT Partners, LLC37,030$344.0K0.03%−81,370−68.7%Reduced
Rockefeller Capital Management L.P.38,416$356.0K0.00%−500−1.3%Reduced
Arrowstreet Capital, Limited Partnership42,793$398.0K0.00%+42,793New
American International Group, Inc.43,148$401.0K0.00%−3,038−6.6%Reduced
Connor, Clark & Lunn Investment Management Ltd.45,847$426.0K0.00%+27,370+148.1%Added
MetLife Investment Management46,683$433.7K0.00%+16,930+56.9%Added
Tudor Investment Corp Et Al48,041$446.0K0.01%+48,041New
Deutsche Bank AG52,918$492.0K0.00%−12,913−19.6%Reduced
Creative Planning60,728$564.0K0.00%+60,728New
New York State Common Retirement Fund64,445$599.0K0.00%+6,664+11.5%Added
Credit Suisse AG64,788$602.0K0.00%+4,686+7.8%Added
Invesco Ltd.64,934$603.0K0.00%+17,886+38.0%Added
Cubist Systematic Strategies, LLC70,162$652.0K0.01%+51,339+272.7%Added
Alliancebernstein L.P.73,840$686.0K0.00%+200+0.3%Added
Barclays PLC74,145$688.0K0.00%−159,047−68.2%Reduced
Vident Investment Advisory, LLC74,844$695.0K0.02%+12,287+19.6%Added
Legal & General Group Plc76,059$707.0K0.00%+1,032+1.4%Added
UBS Asset Management Americas Inc81,523$757.4K0.00%+8,261+11.3%Added
Trellus Management Company, LLC95,000$883.0K1.10%00.0%Unchanged
Alps Advisors Inc95,682$889.0K0.01%−6,642−6.5%Reduced
California State Teachers Retirement System101,845$946.0K0.00%−6,392−5.9%Reduced
Canada Pension Plan Investment Board104,000$966.0K0.00%−78,000−42.9%Reduced
Public Employees Retirement System of Ohio111,901$1.04M0.00%+50,126+81.1%Added
Susquehanna International Group, LLP117,264$1.09M0.00%−9,633−7.6%Reduced
Rhumbline Advisers119,354$1.11M0.00%−8,735−6.8%Reduced
Sector Gamma AS123,713$1.15M0.25%+123,713New
Citadel Advisors LLC134,743$1.25M0.00%+66,007+96.0%Added
State of Wisconsin Investment Board150,401$1.40M0.00%00.0%Unchanged
Hennion & Walsh Asset Management, Inc.156,559$1.45M0.08%+31,048+24.7%Added