United States · Series B startup
Funding summaryUpdated 26 Oct 2026
$68Mraised across 2 rounds since 2024, from 5 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Source recordedSEC filing: $17M sold, first sale Sept 2024
From Harmonic Security's own website: 2 founders, 3 on the team.
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Crosspoint Capital PartnersL
In-Q-Tel
Storm Ventures
Eleven Ventures
Ten Eleven VenturesMissing a round, or an investor who was in one? Tell us.
Harmonic Security's investors include Crosspoint Capital Partners, In-Q-Tel, Storm Ventures, Eleven Ventures and Ten Eleven Ventures. Crosspoint Capital Partners led its latest round.
Harmonic Security has raised $68M across 2 rounds since 2024.
Harmonic Security's most recent round was a Series B of $50M in Oct 2026, led by Crosspoint Capital Partners.
Its most recent round, $50M in Oct 2026, is also its largest on record.
Harmonic Security's first round on record, in Oct 2024, was backed by In-Q-Tel, Storm Ventures and Eleven Ventures and 1 others.
Harmonic Security's latest named round is a Series B, in Oct 2026.
Harmonic Security is based in the United States.
Crosspoint Capital Partners led the Series B in 2026.
In the same sector, and raised in the last eighteen months.
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United States · 
