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Symbol
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ATRA on Nasdaq
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Investment type
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Equity / Common Stock
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Latest Disclosed Ownership
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1.37M shares
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Security Ownership
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20%
Adiumentum Capital Fund I LP ownership in Atara Biotherapeutics, Inc. Common Stock (ATRA)
2025-05-16 - Adiumentum Capital Fund I LP has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 1.37M shares of Atara Biotherapeutics, Inc. Common Stock (ATRA).
This represents 20% percent ownership of the company.