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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 2021

Institutional positions in Atara Biotherapeutics, Inc. as of Jun 30, 2021. 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
−6 vs. Q1 2021
Shares held
86.0M
−654.8K (−0.8%) vs. Q1 2021
Total value
$1.34B
+$93.0M (+7.5%) vs. Q1 2021
New holders
18
48 more added
Sold out
24
53 more reduced

Compare with Q1 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 holdersQ2 2021: 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 heldQ2 2021: $1.34B
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 2021

Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q1 2021.

Institutions holding ATRA in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Baupost Group LLCSuperinvestorBaupost Group8,477,488$131.8M1.07%00.0%Unchanged
BlackRock Inc.7,720,031$120.0M0.00%+770,922+11.1%Added
Maverick Capital LtdSuperinvestorMaverick Capital7,704,676$119.8M1.13%+965,274+14.3%Added
JPMorgan Chase & Co7,514,562$116.9M0.02%+806,190+12.0%Added
Vanguard Group Inc6,704,141$104.3M0.00%+351,334+5.5%Added
Redmile Group, LLC6,449,577$100.3M1.48%−435,656−6.3%Reduced
State Street Corp4,371,856$68.0M0.00%−40,918−0.9%Reduced
Morgan Stanley3,035,747$47.2M0.01%−146,969−4.6%Reduced
Goldman Sachs Group Inc2,597,710$40.4M0.01%+475,975+22.4%Added
Wasatch Advisors Inc2,388,238$37.1M0.15%+356,298+17.5%Added
KPCB XV Associates, LLC1,876,650$29.2M13.03%00.0%Unchanged
Geode Capital Management, LLC1,514,324$23.5M0.00%+94,888+6.7%Added
Artal Group S.A.1,500,000$23.3M0.53%−500,000−25.0%Reduced
Assenagon Asset Management S.A.1,496,924$23.3M0.10%+1,496,924New
FMR LLC1,437,772$22.4M0.00%−274,023−16.0%Reduced
Dimensional Fund Advisors LP1,340,745$20.8M0.01%+124,693+10.3%Added
Bridger Management, LLC1,325,188$20.6M1.92%−344,457−20.6%Reduced
Credit Suisse AG1,230,794$19.1M0.01%−1,276,902−50.9%Reduced
Nuveen Asset Management, LLC1,147,707$17.8M0.01%+26,410+2.4%Added
Antipodean Advisors LLC1,000,000$15.6M4.28%00.0%Unchanged
Renaissance Technologies LLC898,700$14.0M0.02%+372,600+70.8%Added
Northern Trust Corp871,807$13.6M0.00%−25,307−2.8%Reduced
Alberta Investment Management Corp864,630$13.4M0.11%−164,900−16.0%Reduced
D. E. Shaw & Co., Inc.818,531$12.7M0.01%+135,474+19.8%Added
Norges Bank773,147$12.0M0.00%−51,215−6.2%Reduced
Ameriprise Financial Inc741,590$11.5M0.00%+227,196+44.2%Added
Point72 Asset Management, L.P.739,900$11.5M0.06%+202,800+37.8%Added
683 Capital Management, LLC677,683$10.5M0.52%+456,835+206.9%Added
Two Sigma Advisers, LP650,200$10.1M0.03%−156,800−19.4%Reduced
Charles Schwab Investment Management Inc580,100$9.02M0.00%+14,724+2.6%Added
Pacific Heights Asset Management LLC525,000$8.16M0.75%+100,000+23.5%Added
Two Sigma Investments, LP483,450$7.52M0.02%−472,259−49.4%Reduced
Pinnacle Associates Ltd466,947$7.26M0.13%+6,853+1.5%Added
Citigroup Inc429,344$6.68M0.01%+1,128+0.3%Added
Millennium Management LLC365,297$5.68M0.01%−72,077−16.5%Reduced
Barclays PLC307,868$4.79M0.00%+126,247+69.5%Added
Bank of New York Mellon Corp277,046$4.31M0.00%−19,042−6.4%Reduced
Deutsche Bank AG275,775$4.29M0.00%−1,321,452−82.7%Reduced
Staley Capital Advisers Inc250,000$3.89M0.20%00.0%Unchanged
SG Americas Securities, LLC198,726$3.09M0.02%+120,566+154.3%Added
Healthcare of Ontario Pension Plan Trust Fund165,000$2.57M0.01%−286,500−63.5%Reduced
Rafferty Asset Management, LLC158,097$2.46M0.02%−39,040−19.8%Reduced
Wells Fargo & Company156,944$2.44M0.00%−20,864−11.7%Reduced
Swiss National Bank156,700$2.44M0.00%−11,900−7.1%Reduced
State of Wisconsin Investment Board150,401$2.34M0.00%00.0%Unchanged
Rhumbline Advisers127,034$1.98M0.00%+10,901+9.4%Added
ACT Capital Management, LLC116,900$1.82M0.93%+116,900New
Jacobs Levy Equity Management, Inc116,722$1.81M0.01%+47,948+69.7%Added
California State Teachers Retirement System113,912$1.77M0.00%−7,030−5.8%Reduced
Alps Advisors Inc110,734$1.72M0.02%+110,734New
Vident Investment Advisory, LLC108,596$1.69M0.05%+40,840+60.3%Added
Jupiter Asset Management Ltd101,213$1.57M0.02%+101,213New
Alpha Paradigm Partners, LLC97,980$1.52M0.57%+97,980New
PDT Partners, LLC97,759$1.52M0.10%−45,940−32.0%Reduced
Altrinsic Global Advisors LLC90,000$1.40M0.04%+10,000+12.5%Added
Canada Pension Plan Investment Board89,000$1.38M0.00%+3,000+3.5%Added
UBS Asset Management Americas Inc86,112$1.34M0.00%+5,294+6.6%Added
Bank of Montreal77,177$1.28M0.00%−31,888−29.2%Reduced
Alliancebernstein L.P.81,140$1.26M0.00%00.0%Unchanged
Prelude Capital Management, LLC79,784$1.24M0.07%−9,042−10.2%Reduced
Susquehanna International Group, LLP73,684$1.15M0.00%+13,361+22.1%Added
Trellus Management Company, LLC73,056$1.14M0.92%+63,056+630.6%Added
Los Angeles Capital Management LLC71,511$1.11M0.00%−4,390−5.8%Reduced
New York State Common Retirement Fund70,967$1.10M0.00%+667+0.9%Added
Public Employees Retirement System of Ohio63,794$992.0K0.00%00.0%Unchanged
Parametric Portfolio Associates LLC58,027$902.0K0.00%−6,867−10.6%Reduced
Copernicus Capital Management, LLC50,000$778.0K12.27%+50,000New
Hennion & Walsh Asset Management, Inc.49,631$772.0K0.04%+24,177+95.0%Added
Invesco Ltd.47,917$745.0K0.00%+11,758+32.5%Added
Manufacturers Life Insurance Company, The46,576$724.0K0.00%+1,403+3.1%Added
American International Group, Inc.46,307$720.0K0.00%−425−0.9%Reduced
Legal & General Group Plc43,740$680.0K0.00%−1,430−3.2%Reduced
Bank of America Corp39,282$611.0K0.00%−77,111−66.3%Reduced
Cubist Systematic Strategies, LLC37,358$581.0K0.01%−66,096−63.9%Reduced
ProShare Advisors LLC36,546$568.0K0.00%+3,676+11.2%Added
Price T Rowe Associates Inc34,033$529.0K0.00%+4,876+16.7%Added
Voya Investment Management LLC33,080$514.0K0.00%−1,109−3.2%Reduced
UBS Group AG31,803$494.0K0.00%−70,894−69.0%Reduced
State Board of Administration of Florida Retirement System30,533$475.0K0.00%+1,328+4.5%Added
QS Investors, LLC30,500$475.0K0.01%+30,500New
MetLife Investment Management29,753$462.7K0.00%00.0%Unchanged
DekaBank Deutsche Girozentrale27,600$419.0K0.00%00.0%Unchanged
AQR Capital Management LLC26,559$413.0K0.00%−19,622−42.5%Reduced
Nomura Holdings Inc25,600$398.0K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.23,250$361.0K0.00%−7,500−24.4%Reduced
Metropolitan Life Insurance Co22,596$351.4K0.00%+2,258+11.1%Added
Blueshift Asset Management, LLC22,451$349.0K0.02%+22,451New
Erste Asset Management GmbH22,000$341.9K0.01%00.0%Unchanged
Engineers Gate Manager LP21,330$332.0K0.02%−13,320−38.4%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.21,236$330.0K0.00%+4,661+28.1%Added
BNP Paribas Arbitrage, SA21,178$329.3K0.00%−14,862−41.2%Reduced
Russell Investments Group, Ltd.20,898$324.0K0.00%−1,964−8.6%Reduced
Vontobel Holding Ltd.20,000$311.0K0.00%00.0%Unchanged
Qube Research & Technologies Ltd19,606$305.0K0.00%−62,189−76.0%Reduced
Natixis Advisors, L.P.19,412$302.0K0.00%−125−0.6%Reduced
Oppenheimer & Co Inc19,354$301.0K0.01%+570+3.0%Added
Arizona State Retirement System19,319$300.0K0.00%−2,173−10.1%Reduced
Principal Financial Group Inc19,119$297.0K0.00%−11,758−38.1%Reduced
Handelsbanken Fonder AB19,100$297.0K0.00%+3,200+20.1%Added
HRT Financial LP17,335$269.0K0.00%+17,335New