APMC SCHEDULE 13G: SEC filing
Magnetar Financial LLC and affiliated entities
Filed with the SEC on · accession 0001104659-26-095307
APMC filed a SCHEDULE 13G (schedule 13g) with the SEC on Aug 13, 2026. Magnetar Financial LLC and affiliated entities filed a joint Schedule 13G disclosing a passive ownership position in AmperCap Acquisition Co as of June 30, 2026. The stock moved +0.1% by the first close after the filing.
Summary of the filing
Magnetar Financial LLC and affiliated entities filed a joint Schedule 13G disclosing a passive ownership position in AmperCap Acquisition Co as of June 30, 2026. The filing is a joint filing agreement executed by the reporting persons.
Key details
How APMC stock reacted
Close before
$9.91
Aug 12, 2026
First close after
+0.12%
$9.92
5 trading days
+0.10%
$9.92
Since filing
+0.61%
$9.97
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Click hereFrequently asked questions
What did APMC file with the SEC on Aug 13, 2026?
APMC filed a SCHEDULE 13G (SEC filing). Magnetar Financial LLC and affiliated entities filed a joint Schedule 13G disclosing a passive ownership position in AmperCap Acquisition Co as of June 30, 2026. The filing is a joint filing agreement executed by the reporting persons.
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).
How did APMC stock react to this filing?
APMC closed at $9.91 before the filing and $9.92 on Aug 13, 2026 (+0.12%). Five trading days later: $9.92 (+0.10%).
Other APMC SEC filings
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