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Symbol
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MGNI on Nasdaq
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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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8,629,238 shares
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Security Ownership %
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6%
Shares, Excluding Options vs Price
Wellington Management Group LLP ownership in MAGNITE, INC. Common Stock (MGNI)
10 Feb 2026 - Wellington Management Group LLP has filed an SCHEDULE 13G form with the Securities and Exchange Commission (SEC) disclosing ownership of 8,629,238 shares of MAGNITE, INC. Common Stock (MGNI).
This represents 6% ownership of the company.
This is the first filing by WELLINGTON MANAGEMENT GROUP LLP disclosing ownership of MAGNITE, INC. Common Stock (MGNI).
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.