United States · Series A startup

Who invested in Opsin

2 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AICybersecurity

Raised this month

Funding summaryUpdated 26 Oct 2026

$21Mraised across 2 rounds since 2024, from 2 sources

Latest round
Series A, $21MOct 2026
Led by
Race Capital and SYN Ventures
Investors
3 (2 led)
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20252026
?Venture$21MSeries A
First round
Venture
Oct 2024
Biggest round
$21M
Series A · Oct 2026
Between rounds
2 years
from the last two

The rounds

  1. Oct 2026
    Series A$21M1 new1 returning

    Reported by The SaaS News

  2. Oct 2024
    VentureAmount undisclosed2 new

    Source recorded

Founders and team

From Opsin's own website: 3 founders.

James PhamCo-Founder & CEO
Jeremy MailenCo-Founder & CTO
Oz WassermanCo-Founder & CPO

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Venture2024Series A2026Race CapitalLSYN VenturesLPlug and Play

Everyone who backed them

Race CapitalVC firm2rounds, led 1
SYN VenturesVC firm1round, led 1
Plug and PlayAccelerator1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Opsin

Who invested in Opsin?

Opsin's investors include Race Capital, SYN Ventures and Plug and Play. Race Capital led its latest round.

How much has Opsin raised?

Opsin has raised $21M across 2 rounds since 2024. One round did not disclose an amount, so the total is a floor.

When did Opsin last raise?

Opsin's most recent round was a Series A of $21M in Oct 2026, led by Race Capital.

What was Opsin's biggest round?

Its most recent round, $21M in Oct 2026, is also its largest on record.

Who backed Opsin first?

Opsin's first round on record, in Oct 2024, was backed by Plug and Play and Race Capital.

What stage is Opsin at?

Opsin's latest named round is a Series A, in Oct 2026.

Where is Opsin based?

Opsin is based in the United States.

Who led Opsin's rounds?

Race Capital led the Series A in 2026.

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