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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, Q4 2023

Institutional positions in Atara Biotherapeutics, Inc. as of Dec 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
91
−17 vs. Q3 2023
Shares held
64.7M
−22.5M (−25.8%) vs. Q3 2023
Total value
$33.2M
−$95.8M (−74.3%) vs. Q3 2023
New holders
18
29 more added
Sold out
35
33 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 holdersQ4 2023: 91 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 heldQ4 2023: $33.2M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q3 2023.

Institutions holding ATRA in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
EcoR1 Capital, LLC10,067,043$5.16M0.13%+10,067,043New
Redmile Group, LLC9,106,446$4.67M0.17%+2,825,633+45.0%Added
BlackRock Inc.7,087,213$3.63M0.00%−608,722−7.9%Reduced
Vanguard Group Inc6,686,043$3.43M0.00%+80,110+1.2%Added
UBS Group AG3,693,225$1.89M0.00%+3,634,733+6,214.1%Added
AQR Capital Management LLC2,932,310$1.50M0.00%+2,087,858+247.2%Added
Millennium Management LLC2,920,980$1.50M0.00%+2,593,916+793.1%Added
State Street Corp2,784,200$1.43M0.00%+261,514+10.4%Added
JPMorgan Chase & Co2,188,044$1.12M0.00%−6,479,550−74.8%Reduced
Geode Capital Management, LLC2,150,150$1.10M0.00%+73,575+3.5%Added
Morgan Stanley1,793,371$919.6K0.00%−421,314−19.0%Reduced
Acadian Asset Management LLC1,765,554$904.0K0.00%+1,231,161+230.4%Added
D. E. Shaw & Co., Inc.1,033,992$530.2K0.00%−2,876,424−73.6%Reduced
Staley Capital Advisers Inc1,000,000$512.8K0.03%00.0%Unchanged
Northern Trust Corp845,427$433.5K0.00%+46,505+5.8%Added
Gsa Capital Partners LLP784,367$402.0K0.03%+784,367New
Jacobs Levy Equity Management, Inc780,986$400.5K0.00%+214,090+37.8%Added
Charles Schwab Investment Management Inc745,145$382.1K0.00%−48,412−6.1%Reduced
Renaissance Technologies LLC622,911$319.0K0.00%−206,200−24.9%Reduced
Goldman Sachs Group Inc582,189$298.5K0.00%−3,542,220−85.9%Reduced
Pacific Heights Asset Management LLC525,000$269.2K0.02%00.0%Unchanged
FMR LLC464,715$238.3K0.00%+229,176+97.3%Added
Bank of New York Mellon Corp394,758$202.4K0.00%+59,399+17.7%Added
BNP Paribas Arbitrage, SA296,240$151.9K0.00%+276,527+1,402.8%Added
Marshall Wace, LLP292,500$149.2K0.00%+292,500New
Citadel Advisors LLC263,051$134.9K0.00%−1,408,094−84.3%Reduced
Harbor Capital Advisors, Inc.208,827$107.1K0.02%+164,206+368.0%Added
Bank of America Corp189,128$96.8K0.00%+91,025+92.8%Added
Alliancebernstein L.P.167,200$85.7K0.00%−9,500−5.4%Reduced
Rhumbline Advisers145,413$74.6K0.00%−600.0%Reduced
Group One Trading, L.P.140,556$72.1K0.00%+76,465+119.3%Added
Barclays PLC132,847$68.1K0.00%+116,114+693.9%Added
Jane Street Group, LLC132,177$67.8K0.00%+108,773+464.8%Added
Two Sigma Investments, LP129,184$66.2K0.00%+129,184New
HRT Financial LP117,267$60.0K0.00%+117,267New
Hennion & Walsh Asset Management, Inc.111,128$57.0K0.00%−57,788−34.2%Reduced
Private Advisor Group, LLC95,661$49.1K0.00%+198+0.2%Added
Susquehanna International Group, LLP87,415$44.8K0.00%−126,428−59.1%Reduced
Captrust Financial Advisors83,074$42.6K0.00%+65,059+361.1%Added
Vontobel Holding Ltd.80,000$41.0K0.00%+80,000New
Two Sigma Securities, LLC68,243$35.0K0.00%+68,243New
Price T Rowe Associates Inc54,991$29.0K0.00%00.0%Unchanged
SG Americas Securities, LLC49,924$26.0K0.00%+11,181+28.9%Added
American International Group, Inc.48,141$24.7K0.00%−194−0.4%Reduced
State of Wisconsin Investment Board45,201$23.2K0.00%00.0%Unchanged
Voya Investment Management LLC40,841$20.9K0.00%−78,417−65.8%Reduced
New York State Common Retirement Fund39,541$20.3K0.00%−143−0.4%Reduced
Deutsche Bank AG38,384$19.6K0.00%−350,000−90.1%Reduced
Cubist Systematic Strategies, LLC36,456$18.7K0.00%−7,984−18.0%Reduced
XTX Topco Ltd35,560$18.2K0.00%+1,321+3.9%Added
Point72 Middle East FZE35,536$18.2K0.00%+35,536New
Wells Fargo & Company35,365$18.1K0.00%−878−2.4%Reduced
Invesco Ltd.34,543$17.7K0.00%+5,545+19.1%Added
Principal Financial Group Inc33,306$17.1K0.00%−2,161−6.1%Reduced
Royal Bank of Canada30,495$16.0K0.00%−29,555−49.2%Reduced
Engineers Gate Manager LP30,091$15.4K0.00%+15,971+113.1%Added
Wexford Capital LP29,940$15.4K0.00%+29,940New
Envestnet Asset Management Inc27,612$14.2K0.00%−16,137−36.9%Reduced
Prudential Financial Inc26,838$13.8K0.00%+26,838New
Manufacturers Life Insurance Company, The25,174$12.9K0.00%−17,912−41.6%Reduced
State Board of Administration of Florida Retirement System25,159$12.9K0.00%+25,159New
Franklin Resources Inc23,026$11.8K0.00%00.0%Unchanged
Boston Private Wealth LLC21,078$10.8K0.00%+10,014+90.5%Added
Tower Research Capital LLC (TRC)20,300$10.4K0.00%+12,149+149.0%Added
Raymond James & Associates19,591$10.0K0.00%−170,051−89.7%Reduced
Virtu Financial LLC18,482$9.00K0.00%+8,155+79.0%Added
Letko, Brosseau & Associates Inc17,500$8.97K0.00%00.0%Unchanged
ProShare Advisors LLC16,030$8.22K0.00%−3,161−16.5%Reduced
California State Teachers Retirement System15,942$8.18K0.00%−5,429−25.4%Reduced
Commonwealth Equity Services, LLC16,293$8.00K0.00%+16,293New
Citigroup Inc14,010$7.18K0.00%−439,092−96.9%Reduced
Dimension Capital Management LLC14,000$7.18K0.00%00.0%Unchanged
Pinnacle Associates Ltd13,790$7.07K0.00%−371,574−96.4%Reduced
CWM, LLC13,762$7.00K0.00%+13,047+1,824.8%Added
Wealth Architects, LLC13,277$6.81K0.00%00.0%Unchanged
Neuberger Berman Group LLC11,137$5.71K0.00%+11,137New
Lake Street Advisors Group, LLC11,000$5.64K0.00%−560−4.8%Reduced
StoneX Group Inc.10,000$5.13K0.00%+10,000New
Amalgamated Bank9,331$5.00K0.00%−957−9.3%Reduced
Legal & General Group Plc9,047$4.64K0.00%00.0%Unchanged
Baader Bank INC10,942$4.16K0.00%+10,942New
Ameritas Investment Partners, Inc.6,782$3.48K0.00%00.0%Unchanged
Simplex Trading, LLC6,432$3.00K0.00%−88,542−93.2%Reduced
IFP Advisors, Inc4,500$2.31K0.00%+1,100+32.4%Added
Advisor Group Holdings, Inc.2,234$1.15K0.00%−2,190−49.5%Reduced
Federated Hermes, Inc.474$2430.00%+474New
Toronto Dominion Bank389$1990.00%−8−2.0%Reduced
Nisa Investment Advisors, LLC80$410.00%−722−90.0%Reduced
The PNC Financial Services Group, Inc.59$300.00%+59New
NewSquare Capital LLC39$200.00%00.0%Unchanged
Farther Finance Advisors, LLC1$10.00%+1New
Baupost Group LLCSuperinvestorBaupost Group0$00.00%−9,773,616−100.0%Sold out
Wasatch Advisors Inc0$00.00%−8,399,229−100.0%Sold out
Maverick Capital LtdSuperinvestorMaverick Capital0$00.00%−6,290,713−100.0%Sold out
Ameriprise Financial Inc0$00.00%−1,651,533−100.0%Sold out
683 Capital Management, LLC0$00.00%−1,200,000−100.0%Sold out
Norges Bank0$00.00%−606,307−100.0%Sold out
Driehaus Capital Management LLC0$00.00%−589,950−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−555,000−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−486,668−100.0%Sold out