ISNR SCHEDULE 13G: SEC filing

Magnetar Financial LLC and affiliated entities

Filed with the SEC on · accession 0001104659-26-095349

ISNR 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 Snow Rothschild Acquisition Corp. as of June 30, 2026. The stock moved -0.2% 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 Snow Rothschild Acquisition Corp. as of June 30, 2026. The filing is a joint filing agreement signed by the reporting persons.

Key details

Reporting person / filerMagnetar Financial LLC
Reporting person / filerMagnetar Capital Partners LP
Reporting person / filerSupernova Management LLC
Issuer of the securities subject to the schedule 13gSnow Rothschild Acquisition Corp.
Administrative manager of supernova management llcDavid J. Snyderman
Attorney-in-factHayley Stein

How ISNR stock reacted

Close before

$9.82

Aug 7, 2026

First close after

-0.20%

$9.80

5 trading days

+0.71%

$9.89

Since filing

-0.20%

$9.80

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Frequently asked questions

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

ISNR filed a SCHEDULE 13G (SEC filing). Magnetar Financial LLC and affiliated entities filed a joint Schedule 13G disclosing a passive ownership position in Snow Rothschild Acquisition Corp. as of June 30, 2026. The filing is a joint filing agreement signed 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 ISNR stock react to this filing?

ISNR closed at $9.82 before the filing and $9.80 on Aug 14, 2026 (-0.20%). Five trading days later: $9.89 (+0.71%).

Other ISNR SEC filings

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