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NASDAQ: ATRA
Atara Biotherapeutics Inc Stock Ownership - Who owns Atara Biotherapeutics?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Atara Biotherapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Panacea Innovation Ltd10% Owner2025-07-1719,335$9.64
$186.37kBuy
Yanina GranthuertaChief Accounting Officer2025-05-162,218$6.76
$15.00kSell
Anhco NguyenPresident and CEO2025-05-163,276$6.76
$22.16kSell
Adiumentum Capital Fund I LPDirector2025-05-1675,572$6.61
$499.53kBuy
Anhco NguyenPresident and CEO2025-03-033,331$7.00
$23.31kSell
Eric J. HyllengrenEVP CFO and COO2025-03-031,211$7.00
$8.47kSell
Jill HenrichEVP Chief Regulatory Officer2025-03-031,059$7.00
$7.41kSell
Jill HenrichEVP Chief Regulatory Officer2024-11-181,000$11.20
$11.20kSell
Anhco NguyenPresident and CEO2024-11-181,664$11.20
$18.63kSell
Eric J. HyllengrenEVP CFO and COO2024-11-181,364$11.20
$15.27kSell

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Net Insider Buy/Sell (L12M) Ownership

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ATRA Shareholders

What type of owners hold Atara Biotherapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Panacea Innovation Ltd38.17%2,680,665$32.52MInsider
Domain Partners VIII LP30.49%2,141,542$25.98MInsider
Adiumentum Capital Fund I LP17.22%1,209,395$14.67MInsider
Joel S. Marcus12.81%899,855$10.92MInsider
Isaac E. Ciechanover8.87%622,930$7.56MInsider
Eric Dobmeier8.02%563,325$6.83MInsider
Redmile Group LLC6.29%441,701$5.36MInsider
Jakob Dupont4.14%290,794$3.53MInsider
Charlene A. Banard3.93%276,010$3.35MInsider
Christopher Haqq3.91%274,631$3.33MInsider

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ATRA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ATRA15.37%84.63%Net BuyingNet Buying
EPIX71.37%11.52%Net SellingNet Selling
CELU2.01%97.99%Net Buying
VTGN36.56%63.44%Net BuyingNet Buying
ANRO75.60%24.40%
View Top Biotech Stocks

Atara Biotherapeutics Stock Ownership FAQ

Who owns Atara Biotherapeutics?

Atara Biotherapeutics (NASDAQ: ATRA) is owned by 29.71% institutional shareholders, 163.57% Atara Biotherapeutics insiders, and 0.00% retail investors. Panacea Innovation Ltd is the largest individual Atara Biotherapeutics shareholder, owning 2.68M shares representing 38.17% of the company. Panacea Innovation Ltd's Atara Biotherapeutics shares are currently valued at $32.52M.

If you're new to stock investing, here's how to buy Atara Biotherapeutics stock.
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