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Atara Biotherapeutics (ATRA) Ownership Overview
48.91% Insiders
5.41% Mutual Funds
<0.01% Other Institutional Investors
2.87% ETFs
42.81% Public Companies and
Individual Investors
The ownership structure of Atara Biotherapeutics (ATRA) stock is a mix of institutional, retail, and individual investors. Approximately 8.28% of the company’s stock is owned by Institutional Investors, 48.91% is owned by Insiders, and 42.81% is owned by Public Companies and Individual Investors.
Recent Insider Trading Activity
Date | Name | Activity | Value |
|---|---|---|---|
May 20, 2026 | xxxxxxxxxxxxx | $22016 | |
May 20, 2026 | xxxxxxxxxxxxx | $47798 | |
May 11, 2026 | xxxxxxxxxxxxx | $3162670 | |
May 11, 2026 | xxxxxxxxxxxxx | $4744255 |
Top Shareholders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 1,552,000 | Insider | 17.22% | 13,021,280 | |
| 1,318,894 | Insider | 14.64% | 11,065,521 | |
| 1,221,395 | Insider | 13.56% | 10,247,504 | |
| 241,404 | Institution | 2.68% | 2,025,380 | |
| 215,018 | Institution | 2.39% | 1,804,001 | |
| 141,924 | Institution | 1.58% | 1,190,742 | |
| 137,837 | Insider | 1.53% | 1,156,452 | |
| 62,320 | Insider | 0.69% | 522,865 | |
| 50,738 | Institution | 0.56% | 425,692 | |
| 49,636 | Insider | 0.55% | 416,446 |
Top Mutual Fund Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 215,018 | Institution | 2.39% | 1,804,001 | |
| 141,924 | Institution | 1.58% | 1,190,742 | |
| 50,738 | Institution | 0.56% | 425,692 | |
| 32,691 | Institution | 0.36% | 274,277 | |
| 32,012 | Institution | 0.36% | 268,581 | |
| 10,318 | Institution | 0.11% | 86,568 | |
| 2,844 | Institution | 0.03% | 23,861 | |
| 1,643 | Institution | 0.02% | 13,785 |
Top ETF Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 158,646 | Institution | 1.76% | 1,821,256 | |
| 82,758 | Institution | 0.92% | 950,062 | |
| 17,340 | Institution | 0.19% | 151,205 | |
| 364 | Institution | <0.01% | 312 | |
| 135 | Institution | <0.01% | 1,177 | |
| 87 | Institution | <0.01% | 412 |
FAQ
Who Owns Atara Biotherapeutics Inc (ATRA)?
According to the latest TipRanks data, approximately <0.01% of the company's stock is held by institutional investors, 48.91% is held by insiders, and 42.81% 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 <0.01% 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 42.81% of Atara Biotherapeutics Inc (ATRA) stock is held by retail investors.
Who owns the most shares of Atara Biotherapeutics Inc (ATRA)?
Ecor1 Capital, Llc 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.