Skip to main content

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
Ensign Peak Advisors, Inc163,567$1.52M0.00%+145,647+812.8%Added
Swiss National Bank177,700$1.65M0.00%+19,800+12.5%Added
Bank of America Corp186,386$1.73M0.00%+62,519+50.5%Added
Natixis187,800$1.75M0.01%−574,900−75.4%Reduced
SG Americas Securities, LLC206,374$1.92M0.02%−11,980−5.5%Reduced
UBS Group AG249,283$2.32M0.00%+3,689+1.5%Added
Staley Capital Advisers Inc300,000$2.79M0.14%+50,000+20.0%Added
Integral Health Asset Management, LLC300,000$2.79M0.73%+100,000+50.0%Added
One Fin Capital Management LP303,000$2.81M1.16%00.0%Unchanged
Bank of New York Mellon Corp315,267$2.93M0.00%+5,960+1.9%Added
Alberta Investment Management Corp382,930$3.56M0.02%+101,800+36.2%Added
Rafferty Asset Management, LLC387,085$3.60M0.02%+134,162+53.0%Added
M28 Capital Management LP389,353$3.62M3.33%−67,512−14.8%Reduced
Pinnacle Associates Ltd429,766$3.99M0.07%−19,938−4.4%Reduced
Millennium Management LLC445,081$4.13M0.01%+403,398+967.8%Added
Pacific Heights Asset Management LLC525,000$4.88M0.42%00.0%Unchanged
Renaissance Technologies LLC569,800$5.29M0.01%+569,800New
Charles Schwab Investment Management Inc641,875$5.96M0.00%+25,414+4.1%Added
D. E. Shaw & Co., Inc.662,959$6.16M0.01%−256,442−27.9%Reduced
Assenagon Asset Management S.A.729,686$6.78M0.02%−1,219,129−62.6%Reduced
Northern Trust Corp831,952$7.73M0.00%−28,305−3.3%Reduced
Citigroup Inc865,144$8.04M0.01%−148,135−14.6%Reduced
Norges Bank975,858$9.07M0.00%00.0%Unchanged
Artal Group S.A.1,000,000$9.29M0.39%−500,000−33.3%Reduced
Antipodean Advisors LLC1,000,000$9.29M6.73%00.0%Unchanged
Nuveen Asset Management, LLC1,065,170$10.0M0.00%−95,290−8.2%Reduced
Dimensional Fund Advisors LP1,340,251$12.5M0.00%+115,741+9.5%Added
Ameriprise Financial Inc1,356,451$12.6M0.00%+180,187+15.3%Added
Eminence Capital, LP1,367,710$12.7M0.20%+226,253+19.8%Added
Geode Capital Management, LLC1,681,106$15.6M0.00%+60,641+3.7%Added
683 Capital Management, LLC1,830,000$17.0M1.01%+48,766+2.7%Added
KPCB XV Associates, LLC1,876,650$17.4M22.56%00.0%Unchanged
Morgan Stanley3,039,516$28.2M0.00%+496,468+19.5%Added
Goldman Sachs Group Inc3,638,106$33.8M0.01%+1,073,579+41.9%Added
Wasatch Advisors Inc3,823,588$35.5M0.17%+1,798,072+88.8%Added
Point72 Asset Management, L.P.4,103,676$38.1M0.17%−510,024−11.1%Reduced
FMR LLC5,746,740$53.4M0.00%+133,498+2.4%Added
Redmile Group, LLC6,245,911$58.0M1.81%−191,866−3.0%Reduced
State Street Corp6,273,617$58.3M0.00%+1,949,418+45.1%Added
Vanguard Group Inc6,912,574$64.2M0.00%−162,947−2.3%Reduced
BlackRock Inc.7,800,139$72.5M0.00%−16,413−0.2%Reduced
Maverick Capital LtdSuperinvestorMaverick Capital7,855,824$73.0M1.31%00.0%Unchanged
Baupost Group LLCSuperinvestorBaupost Group8,123,616$75.5M0.81%−353,872−4.2%Reduced
JPMorgan Chase & Co8,189,899$76.1M0.01%+772,777+10.4%Added
IFP Advisors, Inc2,000––+2,000New
Deep Track Capital, LP0$00.00%−750,000−100.0%Sold out
Bridger Management, LLC0$00.00%−616,488−100.0%Sold out
Public Sector Pension Investment Board0$00.00%−201,000−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−117,300−100.0%Sold out
Altrinsic Global Advisors LLC0$00.00%−100,000−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−40,029−100.0%Sold out
Americana Partners, LLC0$00.00%−20,500−100.0%Sold out
Natixis Advisors, L.P.0$00.00%−19,469−100.0%Sold out
Corton Capital Inc.0$00.00%−19,408−100.0%Sold out
Bradley Foster & Sargent Inc0$00.00%−16,581−100.0%Sold out
Bailard, Inc.0$00.00%−15,047−100.0%Sold out
Algert Global LLC0$00.00%−13,553−100.0%Sold out
Jane Street Group, LLC0$00.00%−13,172−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−12,600−100.0%Sold out
Principal Financial Group Inc0$00.00%−10,146−100.0%Sold out
TCI Wealth Advisors, Inc.0$00.00%−359−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−304−100.0%Sold out
NEXT Financial Group, Inc––––Not filed