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Atara Biotherapeutics (ATRA) Ownership Overview
51.23% Insiders
4.85% Mutual Funds
28.97% Other Institutional Investors
2.72% ETFs
12.22% Public Companies and
Individual Investors
The ownership structure of Atara Biotherapeutics (ATRA) stock is a mix of institutional, retail, and individual investors. Approximately 36.55% of the company’s stock is owned by Institutional Investors, 51.23% is owned by Insiders, and 12.22% is owned by Public Companies and Individual Investors.
Recent Insider Trading Activity
Date | Name | Activity | Value |
|---|---|---|---|
Sep 04, 2026 | xxxxxxxxxxxxx | $999994 | |
Aug 26, 2026 | xxxxxxxxxxxxx | $40850 | |
May 20, 2026 | xxxxxxxxxxxxx | $22016 | |
May 20, 2026 | xxxxxxxxxxxxx | $47798 |
Top Shareholders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 1,552,000 | Insider | 15.46% | 14,216,320 | |
| 1,318,894 | Insider | 13.14% | 12,081,069 | |
| 1,221,395 | Insider | 12.17% | 11,187,978 | |
| 636,852 | Insider | 6.34% | 5,833,564 | |
| 241,404 | Institution | 2.40% | 2,211,261 | |
| 215,018 | Institution | 2.14% | 1,969,565 | |
| 166,486 | Insider | 1.66% | 1,525,012 | |
| 141,924 | Institution | 1.41% | 1,300,024 | |
| 132,775 | Insider | 1.32% | 1,216,219 | |
| 50,738 | Institution | 0.51% | 464,760 |
Top Mutual Fund Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 215,018 | Institution | 2.14% | 1,969,565 | |
| 141,924 | Institution | 1.41% | 1,300,024 | |
| 50,738 | Institution | 0.51% | 464,760 | |
| 32,691 | Institution | 0.33% | 299,450 | |
| 32,012 | Institution | 0.32% | 293,230 | |
| 10,318 | Institution | 0.10% | 94,513 | |
| 2,844 | Institution | 0.03% | 26,051 | |
| 1,643 | Institution | 0.02% | 15,050 |
Top ETF Holders
FAQ
Who Owns Atara Biotherapeutics (ATRA)?
According to the latest TipRanks data, approximately 28.97% of the company's stock is held by institutional investors, 51.23% is held by insiders, and 12.22% is held by retail investors.
What percentage of Atara Biotherapeutics (ATRA) stock is held by institutional investors?
According to the latest TipRanks data, approximately 28.97% of Atara Biotherapeutics (ATRA) stock is held by institutional investors.
What percentage of Atara Biotherapeutics (ATRA) stock is held by retail investors?
According to the latest TipRanks data, approximately 12.22% of Atara Biotherapeutics (ATRA) stock is held by retail investors.
Who owns the most shares of Atara Biotherapeutics (ATRA)?
Ecor1 Capital, Llc owns the most shares of Atara Biotherapeutics (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.