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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
State of Wisconsin Investment Board150,401$2.34M0.00%00.0%Unchanged
Swiss National Bank156,700$2.44M0.00%−11,900−7.1%Reduced
Wells Fargo & Company156,944$2.44M0.00%−20,864−11.7%Reduced
Rafferty Asset Management, LLC158,097$2.46M0.02%−39,040−19.8%Reduced
Healthcare of Ontario Pension Plan Trust Fund165,000$2.57M0.01%−286,500−63.5%Reduced
SG Americas Securities, LLC198,726$3.09M0.02%+120,566+154.3%Added
Staley Capital Advisers Inc250,000$3.89M0.20%00.0%Unchanged
Deutsche Bank AG275,775$4.29M0.00%−1,321,452−82.7%Reduced
Bank of New York Mellon Corp277,046$4.31M0.00%−19,042−6.4%Reduced
Barclays PLC307,868$4.79M0.00%+126,247+69.5%Added
Millennium Management LLC365,297$5.68M0.01%−72,077−16.5%Reduced
Citigroup Inc429,344$6.68M0.01%+1,128+0.3%Added
Pinnacle Associates Ltd466,947$7.26M0.13%+6,853+1.5%Added
Two Sigma Investments, LP483,450$7.52M0.02%−472,259−49.4%Reduced
Pacific Heights Asset Management LLC525,000$8.16M0.75%+100,000+23.5%Added
Charles Schwab Investment Management Inc580,100$9.02M0.00%+14,724+2.6%Added
Two Sigma Advisers, LP650,200$10.1M0.03%−156,800−19.4%Reduced
683 Capital Management, LLC677,683$10.5M0.52%+456,835+206.9%Added
Point72 Asset Management, L.P.739,900$11.5M0.06%+202,800+37.8%Added
Ameriprise Financial Inc741,590$11.5M0.00%+227,196+44.2%Added
Norges Bank773,147$12.0M0.00%−51,215−6.2%Reduced
D. E. Shaw & Co., Inc.818,531$12.7M0.01%+135,474+19.8%Added
Alberta Investment Management Corp864,630$13.4M0.11%−164,900−16.0%Reduced
Northern Trust Corp871,807$13.6M0.00%−25,307−2.8%Reduced
Renaissance Technologies LLC898,700$14.0M0.02%+372,600+70.8%Added
Antipodean Advisors LLC1,000,000$15.6M4.28%00.0%Unchanged
Nuveen Asset Management, LLC1,147,707$17.8M0.01%+26,410+2.4%Added
Credit Suisse AG1,230,794$19.1M0.01%−1,276,902−50.9%Reduced
Bridger Management, LLC1,325,188$20.6M1.92%−344,457−20.6%Reduced
Dimensional Fund Advisors LP1,340,745$20.8M0.01%+124,693+10.3%Added
FMR LLC1,437,772$22.4M0.00%−274,023−16.0%Reduced
Assenagon Asset Management S.A.1,496,924$23.3M0.10%+1,496,924New
Artal Group S.A.1,500,000$23.3M0.53%−500,000−25.0%Reduced
Geode Capital Management, LLC1,514,324$23.5M0.00%+94,888+6.7%Added
KPCB XV Associates, LLC1,876,650$29.2M13.03%00.0%Unchanged
Wasatch Advisors Inc2,388,238$37.1M0.15%+356,298+17.5%Added
Goldman Sachs Group Inc2,597,710$40.4M0.01%+475,975+22.4%Added
Morgan Stanley3,035,747$47.2M0.01%−146,969−4.6%Reduced
State Street Corp4,371,856$68.0M0.00%−40,918−0.9%Reduced
Redmile Group, LLC6,449,577$100.3M1.48%−435,656−6.3%Reduced
Vanguard Group Inc6,704,141$104.3M0.00%+351,334+5.5%Added
JPMorgan Chase & Co7,514,562$116.9M0.02%+806,190+12.0%Added
Maverick Capital LtdSuperinvestorMaverick Capital7,704,676$119.8M1.13%+965,274+14.3%Added
BlackRock Inc.7,720,031$120.0M0.00%+770,922+11.1%Added
Baupost Group LLCSuperinvestorBaupost Group8,477,488$131.8M1.07%00.0%Unchanged
Consonance Capital Management LP0$00.00%−1,669,293−100.0%Sold out
California Public Employees Retirement System0$00.00%−142,706−100.0%Sold out
Squarepoint Ops LLC0$00.00%−118,848−100.0%Sold out
Marshall Wace, LLP0$00.00%−76,274−100.0%Sold out
Federated Hermes, Inc.0$00.00%−54,477−100.0%Sold out
Mackay Shields LLC0$00.00%−45,492−100.0%Sold out
Thrivent Financial for Lutherans0$00.00%−44,632−100.0%Sold out
Skandinaviska Enskilda Banken AB (publ)0$00.00%−36,162−100.0%Sold out
Atom Investors LP0$00.00%−35,164−100.0%Sold out
AlphaCrest Capital Management LLC0$00.00%−30,600−100.0%Sold out
Trexquant Investment LP0$00.00%−23,208−100.0%Sold out
Marshall Wace North America L.P.0$00.00%−15,809−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−15,105−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−13,001−100.0%Sold out
DuPont Capital Management Corp0$00.00%−12,428−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−12,309−100.0%Sold out
XTX Topco Ltd0$00.00%−10,584−100.0%Sold out
Pacer Advisors, Inc.0$00.00%−4,608−100.0%Sold out
FORA Capital, LLC0$00.00%−2,556−100.0%Sold out
Group One Trading, L.P.0$00.00%−1,056−100.0%Sold out
Sowell Financial Services LLC0$00.00%−1,094−100.0%Sold out
Lazard Asset Management LLC0$00.00%−129−100.0%Sold out
Lindbrook Capital, LLC0$00.00%−59−100.0%Sold out
Concord Wealth Partners0$00.00%−60−100.0%Sold out