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Atara Biotherapeutics Inc (ATRA)
:ATRA
US Market
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Atara Biotherapeutics (ATRA) Ownership - Who Owns Atara Biotherapeutics?

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Atara Biotherapeutics (ATRA) Ownership Overview

42.07%6.27%17.06%2.51%32.09%
42.07% Insiders
17.06% Other Institutional Investors
2.51% ETFs
32.09% Public Companies and
Individual Investors
The ownership structure of Atara Biotherapeutics (ATRA) stock is a mix of institutional, retail, and individual investors. Approximately 25.84% of the company’s stock is owned by Institutional Investors, 42.07% is owned by Insiders, and 32.09% is owned by Public Companies and Individual Investors.
The ownership structure of Atara Biotherapeutics (ATRA) stock is a mix of institutional, retail, and individual investors. Approximately 23.33% of the company’s stock is owned by Institutional Investors, 42.07% is owned by Insiders, and 2.51% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date
Name
Activity
Value
Aug 20, 2025
xxxxxxxxxxxxx
$34342
Aug 20, 2025
xxxxxxxxxxxxx
$21002
Aug 19, 2025
xxxxxxxxxxxxx
$669900
Jul 21, 2025
xxxxxxxxxxxxx
$186196

Recent Hedge Fund Trading Activity

Date
Firm
Activity
Value

Top Shareholders

Holder
# of Shares
Type
% Holding
Value
1,350,000Insider19.22%16,591,500
1,209,395Insider17.22%14,863,465
186,710Institution2.66%2,294,666
166,958Institution2.38%2,051,914
141,924Institution2.02%1,744,246
77,955Insider1.11%958,067
70,889Institution1.04%608,228
70,847Insider1.01%870,710
56,231Insider0.80%691,079
51,099Institution0.73%628,007

Top Mutual Fund Holders

Holder
# of Shares
Type
% Holding
Value
186,710Institution2.66%2,294,666
141,924Institution2.02%1,744,246
51,099Institution0.73%628,007
32,012Institution0.46%393,427
14,000Institution0.20%172,060
10,318Institution0.15%126,808
2,595Institution0.04%31,893
1,643Institution0.02%20,192
91Institution<0.01%1,118

Top ETF Holders

Holder
# of Shares
Type
% Holding
Value
117,686Institution1.68%1,355,743
49,272Institution0.70%567,613
9,288Institution0.13%114,150
364Institution<0.01%312

FAQ

Who Owns Atara Biotherapeutics Inc (ATRA)?
According to the latest TipRanks data, approximately 17.06% of the company's stock is held by institutional investors, 42.07% is held by insiders, and 32.09% is held by retail investors.
    What percentage of Atara Biotherapeutics Inc (ATRA) stock is held by institutional investors?
    According to the latest TipRanks data, approximately 17.06% of Atara Biotherapeutics Inc (ATRA) stock is held by institutional investors.
      What percentage of Atara Biotherapeutics Inc (ATRA) stock is held by retail investors?
      According to the latest TipRanks data, approximately 32.09% of Atara Biotherapeutics Inc (ATRA) stock is held by retail investors.
        Who owns the most shares of Atara Biotherapeutics Inc (ATRA)?
        Panacea Innovation Limited owns the most shares of Atara Biotherapeutics Inc (ATRA).
          What is the significance of the ownership structure for a publicly traded company?
          The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.
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