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Stocks/WLCO/SEC Filings/SCHEDULE 13G Aug 13, 2026

WLCO SCHEDULE 13G: SEC filing

Magnetar Financial LLC and affiliated entities

Filed with the SEC on Aug 13, 2026 · accession 0001104659-26-095367

WLCO filed a SCHEDULE 13G (schedule 13g) with the SEC on Aug 13, 2026. Magnetar Financial LLC and affiliated entities filed a joint filing agreement under Schedule 13G regarding their ownership of Wilco 63 Corp shares 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 filing agreement under Schedule 13G regarding their ownership of Wilco 63 Corp shares as of June 30, 2026. The filing is a procedural joint filing agreement and does not disclose specific ownership percentages or changes.

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Key details

FilerMagnetar Financial LLC
FilerMagnetar Capital Partners LP
FilerSupernova Management LLC
Subject companyWilco 63 Corp
Administrative manager of supernova management llcDavid J. Snyderman
Attorney-in-factHayley Stein

How WLCO stock reacted

Close before

$9.79

Aug 12, 2026

First close after

+0.10%

$9.80

5 trading days

+0.31%

$9.82

Since filing

+0.41%

$9.83

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Frequently asked questions

What did WLCO file with the SEC on Aug 13, 2026?

WLCO filed a SCHEDULE 13G (SEC filing). Magnetar Financial LLC and affiliated entities filed a joint filing agreement under Schedule 13G regarding their ownership of Wilco 63 Corp shares as of June 30, 2026. The filing is a procedural joint filing agreement and does not disclose specific ownership percentages or changes.

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 WLCO stock react to this filing?

WLCO closed at $9.79 before the filing and $9.80 on Aug 13, 2026 (+0.10%). Five trading days later: $9.82 (+0.31%).

Other WLCO SEC filings

  • SCHEDULE 13G · SEC filingAug 14, 2026
  • SCHEDULE 13G · SEC filingAug 13, 2026

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Source: SEC EDGAR filing 0001104659-26-095367. The summary and key details are extracted by SEPT from the filing and may contain errors. Price reaction uses daily closing prices. Not financial advice.