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Symbol
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KOS on NYSE
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Investment type
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Equity / Common Stock
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Latest Disclosed Shares Owned
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8,291,480 shares
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Security Ownership %
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1.7%
BlackRock Portfolio Management LLC ownership in Kosmos Energy Ltd. Common Stock (KOS)
21 Jan 2026 - BlackRock Portfolio Management LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 8,291,480 shares of Kosmos Energy Ltd. Common Stock (KOS).
This represents 1.7% ownership of the company.
In their previous filing dated 15 Jul 2025, BlackRock Portfolio Management LLC had reported owning 30,306,094 shares, indicating a decrease of +73%.
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