Who invested in Polyphron?
Polyphron's investors include Quiet Capital, Pareto Holdings, Gradient, Haystack and Compound.

United States · Seed startup
Funding summaryUpdated 26 Oct 2026
$20Mraised across 1 round since 2026, from 2 sources
From Polyphron's own website: 1 founder, 3 on the team.
Polyphron's investors include Quiet Capital, Pareto Holdings, Gradient, Haystack and Compound.
Polyphron has raised $20M across 1 round since 2026.
Polyphron's most recent round was a Seed of $20M in Sept 2026.
Its most recent round, $20M in Sept 2026, is also its largest on record.
Polyphron's first round on record, in Sept 2026, was backed by Quiet Capital, Pareto Holdings and Gradient and 2 others.
Polyphron's latest named round is a Seed, in Sept 2026.
Polyphron is based in the United States.
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