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

Insider buying vs selling

Have Atara Biotherapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Eric J. HyllengrenEVP CFO and COO2025-03-031,211$7.00
$8.47kSell
Anhco NguyenPresident and CEO2025-03-033,331$7.00
$23.31kSell
Jill HenrichEVP Chief Regulatory Officer2025-03-031,059$7.00
$7.41kSell
Eric J. HyllengrenEVP CFO and COO2024-11-181,364$11.20
$15.27kSell
Anhco NguyenPresident and CEO2024-11-181,664$11.20
$18.63kSell
Jill HenrichEVP Chief Regulatory Officer2024-11-181,000$11.20
$11.20kSell
Amar MuruganEVP Chief Legal Officer2024-08-16192$6.63
$1.27kSell
Amar MuruganEVP Chief Legal Officer2024-08-16877$6.63
$5.81kSell
Pascal TouchonPresident and CEO2024-08-162,762$6.63
$18.31kSell
Jill HenrichEVP Global Head RA Quality2024-08-16132$6.63
$875.29Sell

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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
Domain Partners VIII LP36.55%2,141,542$13.21MInsider
Adiumentum Capital Fund I LP19.35%1,133,823$7.00MInsider
Joel S. Marcus15.36%899,855$5.55MInsider
Carol Giltner Gallagher11.82%692,264$4.27MInsider
Isaac E. Ciechanover10.63%622,930$3.84MInsider
Eric Dobmeier9.61%563,325$3.48MInsider
Ecor1 Capital LLC9.08%532,134$3.28MInstitution
Redmile Group LLC7.54%441,701$2.73MInstitution
William K. Heiden6.13%359,000$2.22MInsider
Jakob Dupont4.96%290,794$1.79MInsider

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ATRA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ATRA19.32%80.68%Net SellingNet Selling
ITRM3.60%65.90%
OKUR34.13%65.87%Net BuyingNet Selling
ATHE0.00%0.00%
LVTX24.61%38.47%

Atara Biotherapeutics Stock Ownership FAQ

Who owns Atara Biotherapeutics?

Atara Biotherapeutics (NASDAQ: ATRA) is owned by 40.42% institutional shareholders, 168.85% Atara Biotherapeutics insiders, and 0.00% retail investors. Domain Partners VIII LP is the largest individual Atara Biotherapeutics shareholder, owning 2.14M shares representing 36.55% of the company. Domain Partners VIII LP's Atara Biotherapeutics shares are currently valued at $13.15M.

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