ALNY SCHEDULE 13G/A: SEC filing
A Schedule 13G/A amendment was
Filed with the SEC on · accession 0000315066-26-002695
ALNY filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 5, 2026. A Schedule 13G/A amendment was filed regarding ownership of Alnylam Pharmaceuticals (ALNY) common stock. The stock moved -2.7% by the first close after the filing.
Summary of the filing
A Schedule 13G/A amendment was filed regarding ownership of Alnylam Pharmaceuticals (ALNY) common stock. The filing indicates a change in a passive institutional holder's position, though specific details are not disclosed in the provided text.
Key details
How ALNY stock reacted
Close before
$161.08
Nov 4, 2026
First close after
-2.74%
$156.66
5 trading days
—
Since filing
-3.19%
$155.94
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Click hereFrequently asked questions
What did ALNY file with the SEC on Nov 5, 2026?
ALNY filed a SCHEDULE 13G/A (SEC filing). A Schedule 13G/A amendment was filed regarding ownership of Alnylam Pharmaceuticals (ALNY) common stock. The filing indicates a change in a passive institutional holder's position, though specific details are not disclosed in the provided text.
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 ALNY stock react to this filing?
ALNY closed at $161.08 before the filing and $156.66 on Nov 5, 2026 (-2.74%).
Other ALNY SEC filings
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