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Atara Biotherapeutics (ATRA) Institutional Ownership

Atara Biotherapeutics logo
$7.80 +0.31 (+4.14%)
Closing price 05/28/2025 04:00 PM Eastern
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$7.69 -0.11 (-1.42%)
As of 07:00 AM Eastern
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Institutional Ownership Changes (13F Filings) for Atara Biotherapeutics (NASDAQ:ATRA)

Current
Institutional Ownership
Percentage
70.90%
Number of
Institutional Buyers
(last 12 months)
13
Total
Institutional Inflows
(last 12 months)
$2.29M
Number of
Institutional Sellers
(last 12 months)
7
Total
Institutional Outflows
(last 12 months)
$54.92M
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ATRA Institutional Buying and Selling by Quarter

Atara Biotherapeutics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/21/2025 Acadian Asset Management LLC115,111$682K0.0%-7.5%1.931%
5/16/2025 EcoR1 Capital LLC573,183$3.41M0.2%+7.7%9.616%
5/15/2025 Vestal Point Capital LP94,085$559K0.0%-24.7%1.578%
5/12/2025 Staley Capital Advisers Inc.80,000$475K0.0%+60.0%1.342%
2/17/2025 Redmile Group LLC441,701$5.88M0.4%-2.3%7.668%
2/17/2025 Point72 Asia Singapore Pte. Ltd.3,603$48K0.0%N/A0.063%
2/17/2025 Millennium Management LLC10,133$135K0.0%-94.2%0.176%
2/17/2025 Cubist Systematic Strategies LLC12,682$169K0.0%N/A0.220%
2/17/2025 Citadel Advisors LLC267,353$3.56M0.0%+2.6%4.642%
2/17/2025 Bank of America Corp DE205,170$2.73M0.0%+0.8%3.562%
2/14/2025 Northern Trust Corp11,170$149K0.0%N/A0.194%
2/14/2025 Birchview Capital LP22,000$293K0.2%N/A0.382%
2/13/2025 Marshall Wace LLP24,958$332K0.0%N/A0.433%
2/12/2025 Geode Capital Management LLC54,744$729K0.0%+17.2%0.950%
2/7/2025 Staley Capital Advisers Inc.50,000$666K0.0%+25.0%0.868%
11/16/2024 Geode Capital Management LLC46,720$380K0.0%+9.5%0.811%
11/15/2024 State Street Corp22,353$182K0.0%+52.3%0.388%
11/15/2024 Centiva Capital LP43,403$353K0.0%-69.1%0.754%
11/14/2024 Vestal Point Capital LP124,677$1.01M0.1%+11.3%2.539%
11/13/2024 FMR LLC25,061$204K0.0%+41.7%0.510%
9/16/2024 Cubist Systematic Strategies LLC9,271$79K0.0%N/A0.189%
9/16/2024 Point72 Asia Singapore Pte. Ltd.6,292$53K0.0%N/A0.128%
8/15/2024 AQR Capital Management LLC15,079$128K0.0%-99.4%0.313%
8/15/2024 Point72 Asia Singapore Pte. Ltd.6,292$53K0.0%N/A0.131%
8/14/2024 Cubist Systematic Strategies LLC9,271$79K0.0%N/A0.192%
8/9/2024 Renaissance Technologies LLC46,064$392K0.0%-95.3%0.956%
8/6/2024 Acadian Asset Management LLC119,370$1.01M0.0%-95.5%2.477%
5/16/2024 Redmile Group LLC9,263,309$6.43M0.2%+1.7%7.693%
5/15/2024 Price T Rowe Associates Inc. MD4,958,150$3.44M0.0%+8,916.3%4.117%
5/14/2024 Delap Wealth Advisory LLC41,533$29K0.0%N/A0.034%
5/10/2024 Acadian Asset Management LLC2,638,687$1.83M0.0%+49.5%2.191%
5/10/2024 Vanguard Group Inc.5,012,938$3.48M0.0%-25.0%4.163%
5/1/2024 BNP Paribas Financial Markets383,082$266K0.0%+29.3%0.318%
1/30/2024 Vontobel Holding Ltd.80,000$41K0.0%N/A0.078%
1/8/2024 Harbor Capital Advisors Inc.208,827$107K0.0%+368.0%0.205%
12/6/2023 Citigroup Inc.453,102$671K0.0%-5.9%0.445%
11/22/2023 Josh Arnold Investment Consultant LLC200,000$300K0.3%+17.6%0.196%
11/15/2023 Redmile Group LLC6,280,813$9.30M0.4%+3.8%6.162%
11/14/2023 683 Capital Management LLC1,200,000$1.78M0.1%+20.0%1.177%
11/14/2023 Staley Capital Advisers Inc.1,000,000$1.48M0.1%+33.3%0.981%
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11/13/2023 Acadian Asset Management LLC534,393$789K0.0%-24.2%0.524%
11/9/2023 Deutsche Bank AG388,384$575K0.0%-43.6%0.381%
11/3/2023 Private Advisor Group LLC95,463$141K0.0%+53.0%0.094%
10/27/2023 Hennion & Walsh Asset Management Inc.168,916$250K0.0%-5.7%0.167%
10/27/2023 Allspring Global Investments Holdings LLC38,967$58K0.0%-41.3%0.039%
10/24/2023 Pinnacle Associates Ltd.385,364$570K0.0%-2.6%0.381%
10/13/2023 SG Americas Securities LLC38,743$57K0.0%N/A0.038%
9/21/2023 Barclays PLC35,353$56K0.0%-91.2%0.035%
8/14/2023 683 Capital Management LLC1,000,000$1.61M0.1%N/A0.989%
8/14/2023 Graham Capital Management L.P.85,672$138K0.0%N/A0.085%
8/11/2023 Baupost Group LLC MA9,773,616$15.74M0.3%+7.1%9.667%
8/11/2023 B. Metzler seel. Sohn & Co. AG98,564$159K0.0%+100.0%0.097%
8/11/2023 ExodusPoint Capital Management LP417,882$673K0.0%+52.8%0.427%
8/10/2023 Private Advisor Group LLC62,400$100K0.0%N/A0.064%
8/8/2023 Wasatch Advisors LP8,283,981$13.34M0.1%-0.8%8.456%
8/7/2023 Acadian Asset Management LLC704,694$1.13M0.0%N/A0.719%
7/28/2023 Vanguard Personalized Indexing Management LLC31,423$51K0.0%N/A0.032%
7/24/2023 Allspring Global Investments Holdings LLC66,404$107K0.0%+47.2%0.068%
7/18/2023 Allspring Global Investments Holdings LLC66,404$107K0.0%+47.2%0.068%
7/11/2023 Harbor Capital Advisors Inc.50,076$81K0.0%N/A0.051%
5/12/2023 Baupost Group LLC MA9,123,616$26.46M0.5%+12.3%9.442%
5/12/2023 Profund Advisors LLC104,484$303K0.0%N/A0.108%
5/11/2023 ExodusPoint Capital Management LP273,484$793K0.0%+346.5%0.283%
5/11/2023 Citigroup Inc.911,219$2.64M0.0%-11.1%0.943%
5/11/2023 E Fund Management Co. Ltd.32,062$93K0.0%+21.7%0.033%
5/5/2023 Pinnacle Associates Ltd.399,316$1.16M0.0%+1.6%0.413%
5/4/2023 Barclays PLC400,563$1.16M0.0%+39.4%0.415%
5/4/2023 Mirae Asset Global Investments Co. Ltd.23,763$69K0.0%-38.7%0.025%
4/28/2023 SG Americas Securities LLC34,707$101K0.0%+29.0%0.036%
4/20/2023 Hennion & Walsh Asset Management Inc.269,146$781K0.0%-2.9%0.279%
4/14/2023Raymond James & Associates188,903$548K0.0%+4.0%0.195%
3/23/2023 MetLife Investment Management LLC36,073$118K0.0%-23.7%0.038%
2/16/2023 Josh Arnold Investment Consultant LLC52,000$171K0.3%+73.3%0.054%
2/14/2023 Alpine Global Management LLC35,475$116K0.0%N/A0.037%
2/10/2023 M28 Capital Management LP439,300$1.44M1.4%N/A0.463%
2/10/2023 Globeflex Capital L P25,783$85K0.0%N/A0.027%
2/9/2023 Citigroup Inc.1,025,418$3.36M0.0%-20.5%1.081%
2/8/2023 Swiss National Bank193,700$635K0.0%+3.9%0.204%
2/8/2023 Oppenheimer & Co. Inc.27,350$90K0.0%-9.8%0.029%
2/7/2023 Mitsubishi UFJ Kokusai Asset Management Co. Ltd.61,994$203K0.0%+26.7%0.065%
2/2/2023 SG Americas Securities LLC26,915$88K0.0%-15.3%0.028%
2/1/2023 Zurcher Kantonalbank Zurich Cantonalbank13,469$44K0.0%+27.5%0.014%
2/1/2023 Pinnacle Associates Ltd.393,198$1.29M0.0%-1.3%0.414%
1/25/2023 Pinnacle Associates Ltd.418,873$1.75M0.0%+5.1%0.441%
1/23/2023 Allspring Global Investments Holdings LLC45,699$150K0.0%+19.7%0.048%
1/12/2023 Hennion & Walsh Asset Management Inc.277,201$909K0.1%+12.5%0.292%
11/15/2022 Bayesian Capital Management LP43,341$164K0.0%N/A0.046%
11/15/2022Caxton Associates LP197,026$745K0.1%+1,483.2%0.208%
11/14/2022 Tudor Investment Corp Et Al220,635$834K0.0%+150.7%0.233%
11/14/2022 683 Capital Management LLC1,300,000$4.91M0.4%-36.4%1.370%
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11/14/2022 Point72 Asset Management L.P.30,000$113K0.0%-99.2%0.032%
11/14/2022 Lazard Asset Management LLC11,922$45K0.0%N/A0.013%
11/14/2022 MetLife Investment Management LLC47,290$179K0.0%+12.3%0.050%
11/14/2022 E Fund Management Co. Ltd.36,673$139K0.0%+43.1%0.039%
11/14/2022Cipher Capital LP12,940$49K0.0%N/A0.014%
11/14/2022 Oppenheimer & Co. Inc.30,314$115K0.0%-11.8%0.032%
11/14/2022 Hennion & Walsh Asset Management Inc.246,383$931K0.1%+7.8%0.260%
11/10/2022 Connor Clark & Lunn Investment Management Ltd.39,307$149K0.0%-62.5%0.042%
11/10/2022 ExodusPoint Capital Management LP59,942$227K0.0%N/A0.064%
11/9/2022 SVB Wealth LLC177,017$669K0.0%N/A0.188%
(Data available from 1/1/2016 forward)

ATRA Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ATRA shares?

During the previous two years, 41 institutional investors and hedge funds held shares of Atara Biotherapeutics. The most heavily invested institutionals were Baupost Group LLC MA ($15.74M), Wasatch Advisors LP ($13.34M), Redmile Group LLC ($5.88M), Citadel Advisors LLC ($3.56M), Vanguard Group Inc. ($3.48M), Price T Rowe Associates Inc. MD ($3.44M), and EcoR1 Capital LLC ($3.41M).Learn more on ATRA's institutional investors.

What percentage of Atara Biotherapeutics stock is owned by institutional investors?

70.90% of Atara Biotherapeutics stock is owned by institutional investors. Learn more on ATRA's institutional investor holdings.

Which institutional investors have been buying Atara Biotherapeutics stock?

Of the 30 institutional investors that purchased Atara Biotherapeutics stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Price T Rowe Associates Inc. MD ($4.90M), Acadian Asset Management LLC ($1.58M), 683 Capital Management LLC ($1.20M), Baupost Group LLC MA ($650K), Redmile Group LLC ($389.55K), Staley Capital Advisers Inc. ($290K), and Harbor Capital Advisors Inc. ($214.28K).

How much institutional buying is happening at Atara Biotherapeutics?

Institutional investors have bought a total of 10,145,588 shares in the last 24 months. This purchase volume represents approximately $253.14M in transactions.

Which Atara Biotherapeutics major shareholders have been selling company stock?

Of the 15 institutional investors that sold Atara Biotherapeutics stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Acadian Asset Management LLC ($2.70M), AQR Capital Management LLC ($2.61M), Vanguard Group Inc. ($1.67M), Renaissance Technologies LLC ($934.32K), Barclays PLC ($365.21K), Deutsche Bank AG ($299.81K), and Millennium Management LLC ($165.92K).

How much institutional selling is happening at Atara Biotherapeutics?

Institutional investors have sold a total of 9,032,935 shares in the last 24 months. This volume of shares sold represents approximately $121.70M in transactions.


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This page (NASDAQ:ATRA) was last updated on 5/29/2025 by MarketBeat.com Staff
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