RNAQU SCHEDULE 13G: SEC filing
Magnetar Financial LLC and affiliated reporting persons
Filed with the SEC on · accession 0001104659-26-126709
RNAQU filed a SCHEDULE 13G (schedule 13g) with the SEC on Nov 13, 2026. Magnetar Financial LLC and affiliated reporting persons filed a Schedule 13G disclosing beneficial ownership of 450,000 Class A ordinary shares, or approximately 5.10%, of Rainier Acquisition Corp as of September 30, 2026.
Summary of the filing
Magnetar Financial LLC and affiliated reporting persons filed a Schedule 13G disclosing beneficial ownership of 450,000 Class A ordinary shares, or approximately 5.10%, of Rainier Acquisition Corp as of September 30, 2026. The filing is a passive investment disclosure under Rule 13d-1(b), with no stated intent to influence control of the issuer.
Key details
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What did RNAQU file with the SEC on Nov 13, 2026?
RNAQU filed a SCHEDULE 13G (SEC filing). Magnetar Financial LLC and affiliated reporting persons filed a Schedule 13G disclosing beneficial ownership of 450,000 Class A ordinary shares, or approximately 5.10%, of Rainier Acquisition Corp as of September 30, 2026. The filing is a passive investment disclosure under Rule 13d-1(b), with no stated intent to influence control of the issuer.
How do I read a SCHEDULE 13G?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G (schedule 13g): A report the company filed with the SEC (the US market regulator).
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