Who invested in Cyclerion Therapeutics?
Cyclerion Therapeutics's investors include Polaris Partners and Invus.

United States · Funded startup
Funding summaryUpdated 26 Oct 2026
$5.0Mraised across 1 round since 2023, from 1 source
From Cyclerion Therapeutics's own website and the SEC filings it signed: 12 on the team.
On the board, as filediErrol M. De SouzaOle M. IsacsonSteven M. HymanTerrance M. McGuire
Cyclerion Therapeutics's investors include Polaris Partners and Invus.
Cyclerion Therapeutics has raised $5.0M across 1 round since 2023.
Cyclerion Therapeutics's most recent round was an Undisclosed round of $5.0M in May 2023.
Its most recent round, $5.0M in May 2023, is also its largest on record.
Cyclerion Therapeutics's first round on record, in May 2023, was backed by Polaris Partners and Invus.
Cyclerion Therapeutics's latest named round is an Undisclosed round, in May 2023.
Cyclerion Therapeutics is based in the United States.
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