SPHR SCHEDULE 13G/A: SEC filing

An institutional holder

Filed with the SEC on Aug 12, 2026 · accession 0000895421-26-000239

SPHR filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 12, 2026. A report the company filed with the SEC (the US market regulator). The stock moved +7.8% by the first close after the filing.

Summary of the filing

An institutional holder filed an amended Schedule 13G regarding its passive ownership stake in Sphere Entertainment Co. The filing indicates a change in the holder's previously reported position.

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Key details

IssuerSphere Entertainment Co.

How SPHR stock reacted

Close before

$162.37

Aug 11, 2026

First close after

+7.83%

$175.09

5 trading days

+1.14%

$164.22

Since filing

-26.08%

$120.02

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Frequently asked questions

What did SPHR file with the SEC on Aug 12, 2026?

SPHR filed a SCHEDULE 13G/A (SEC filing). An institutional holder filed an amended Schedule 13G regarding its passive ownership stake in Sphere Entertainment Co. The filing indicates a change in the holder's previously reported position.

How do I read a SCHEDULE 13G/A?

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/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did SPHR stock react to this filing?

SPHR closed at $162.37 before the filing and $175.09 on Aug 12, 2026 (+7.83%). Five trading days later: $164.22 (+1.14%).

Other SPHR SEC filings

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