United States · Series A startup

Who invested in Wesper

2 rounds we have observed, with the 5 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.

Fitness

Raised 3 months ago

Funding summaryUpdated 26 Oct 2026

$18Mraised across 2 rounds since 2022, from 2 sources

$9.6MSeries A$8.3MRound
Latest round
Round, $8.3MJul 2026
Biggest round
$9.6MSeries A · Nov 2022
Investors
5
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.

2023202420252026
$9.6MSeries A$8.3MRound
First round
Series A, $9.6M
Nov 2022
Biggest round
$9.6M
Series A · Nov 2022
Between rounds
3.7 years
from the last two

The rounds

  1. Jul 2026
    Round$8.3M

    No investor was named in the report.

    Filed with the SEC (Form D); no report of this raise yetSEC filing: $8.3M sold, first sale Jul 2026

  2. Nov 2022

Founders and team

From Wesper's own website: 3 on the team.

  • Dr. Amir ReuvenyCEO
  • Adi MordechaiCTO
  • Devon LodgeHead of Growth

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.

Everyone who backed them

Spark CapitalVC firm1round
Abstract VenturesVC firm1round
Breyer CapitalPrivate equity1round

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

Also claim to have backed them

These 2 firms list Wesper as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Aphelion CapitalVC firmPer its own site
Krillion VenturesVC firmPer its own site

Quick answers about Wesper

Who invested in Wesper?

Wesper's investors include Spark Capital, Correlation Ventures, Abstract Ventures, Valor Equity Partners and Breyer Capital.

How much has Wesper raised?

Wesper has raised $18M across 2 rounds since 2022.

When did Wesper last raise?

Wesper's most recent round, $8.3M, was in Jul 2026.

What was Wesper's biggest round?

Wesper's largest round on record is $9.6M (Series A), in Nov 2022.

Who backed Wesper first?

Wesper's first round on record, in Nov 2022, was backed by Spark Capital, Correlation Ventures and Abstract Ventures and 2 others.

What stage is Wesper at?

Wesper's latest named round is a Series A, in Nov 2022.

Where is Wesper based?

Wesper is based in the United States.

Companies like Wesper

In the same sector, and raised in the last eighteen months.

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