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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 2022

Institutional positions in Atara Biotherapeutics, Inc. as of Jun 30, 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
134
−8 vs. Q1 2022
Shares held
99.8M
+1.98M (+2.0%) vs. Q1 2022
Total value
$777.4M
−$131.5M (−14.5%) vs. Q1 2022
New holders
19
48 more added
Sold out
27
42 more reduced

3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: 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 2022: 134 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 2022: $777.4M
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 2022

Shares, value and share of portfolio for each institution holding Atara Biotherapeutics, Inc.; share changes are against Q1 2022.

Institutions holding ATRA in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Rafferty Asset Management, LLC387,937$3.02M0.03%+852+0.2%Added
Staley Capital Advisers Inc425,000$3.31M0.20%+125,000+41.7%Added
Pinnacle Associates Ltd428,707$3.34M0.07%−1,059−0.2%Reduced
Nuveen Asset Management, LLC521,426$4.06M0.00%−543,744−51.0%Reduced
Pacific Heights Asset Management LLC525,000$4.09M0.42%00.0%Unchanged
Assenagon Asset Management S.A.606,269$4.72M0.02%−123,417−16.9%Reduced
Healthcare of Ontario Pension Plan Trust Fund616,900$4.81M0.02%+616,900New
D. E. Shaw & Co., Inc.668,205$5.21M0.01%+5,246+0.8%Added
Charles Schwab Investment Management Inc668,042$5.21M0.00%+26,167+4.1%Added
Baker Bros. Advisors LP744,186$5.80M0.03%+744,186New
Norges Bank799,758$6.23M0.00%−176,100−18.0%Reduced
Northern Trust Corp868,005$6.76M0.00%+36,053+4.3%Added
Artal Group S.A.1,000,000$7.79M0.43%00.0%Unchanged
Antipodean Advisors LLC1,000,000$7.79M12.69%00.0%Unchanged
Citigroup Inc1,033,544$8.05M0.01%+168,400+19.5%Added
Ameriprise Financial Inc1,080,565$8.42M0.00%−275,886−20.3%Reduced
Dimensional Fund Advisors LP1,144,956$8.92M0.00%−195,295−14.6%Reduced
Eminence Capital, LP1,323,075$10.3M0.20%−44,635−3.3%Reduced
Geode Capital Management, LLC1,711,450$13.3M0.00%+30,344+1.8%Added
KPCB XV Associates, LLC1,876,650$14.6M26.96%00.0%Unchanged
683 Capital Management, LLC2,045,000$15.9M1.15%+215,000+11.7%Added
Goldman Sachs Group Inc2,938,296$22.9M0.01%−699,810−19.2%Reduced
Morgan Stanley3,223,884$25.1M0.00%+184,368+6.1%Added
Point72 Asset Management, L.P.3,877,200$30.2M0.14%−226,476−5.5%Reduced
Wasatch Advisors Inc5,126,723$39.9M0.25%+1,303,135+34.1%Added
FMR LLC5,846,060$45.5M0.00%+99,320+1.7%Added
State Street Corp6,221,686$48.5M0.00%−51,931−0.8%Reduced
Redmile Group, LLC6,242,756$48.6M1.86%−3,155−0.1%Reduced
Vanguard Group Inc7,298,073$56.9M0.00%+385,499+5.6%Added
Maverick Capital LtdSuperinvestorMaverick Capital7,855,824$61.2M1.53%00.0%Unchanged
Baupost Group LLCSuperinvestorBaupost Group8,123,616$63.3M0.94%00.0%Unchanged
BlackRock Inc.8,764,706$68.3M0.00%+964,567+12.4%Added
JPMorgan Chase & Co8,861,252$69.0M0.01%+671,353+8.2%Added
IFP Advisors, Inc1,500––−500−25.0%Reduced
Natixis0$00.00%−187,800−100.0%Sold out
Canada Pension Plan Investment Board0$00.00%−104,000−100.0%Sold out
Alps Advisors Inc0$00.00%−95,682−100.0%Sold out
Vident Investment Advisory, LLC0$00.00%−74,844−100.0%Sold out
PDT Partners, LLC0$00.00%−37,030−100.0%Sold out
AQR Capital Management LLC0$00.00%−33,402−100.0%Sold out
Walleye Capital LLC0$00.00%−31,847−100.0%Sold out
Trexquant Investment LP0$00.00%−31,540−100.0%Sold out
Jupiter Asset Management Ltd0$00.00%−30,950−100.0%Sold out
Nomura Holdings Inc0$00.00%−25,600−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−23,953−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−23,670−100.0%Sold out
XTX Topco Ltd0$00.00%−23,282−100.0%Sold out
AlphaCrest Capital Management LLC0$00.00%−21,300−100.0%Sold out
Engineers Gate Manager LP0$00.00%−16,400−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−14,466−100.0%Sold out
Monashee Investment Management LLC0$00.00%−10,000−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−7,234−100.0%Sold out
Group One Trading, L.P.0$00.00%−4,288−100.0%Sold out
Geneos Wealth Management Inc.0$00.00%−2,170−100.0%Sold out
Parallel Advisors, LLC0$00.00%−208−100.0%Sold out
CWM, LLC0$00.00%−111−100.0%Sold out
Ellevest, Inc.0$00.00%−134−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−10−100.0%Sold out
Concord Wealth Partners0$00.00%−50−100.0%Sold out
TCWP LLC0$00.00%−42−100.0%Sold out
Covestor Ltd0$00.00%−21−100.0%Sold out
Parametric Portfolio Associates LLC––––Not filed
Susquehanna Fundamental Investments, LLC––––Not filed
Amalgamated Financial Corp.––––Not filed