# Telesair funding: rounds and investors

> Telesair has raised $25M across 2 rounds since 2023. Investors include Catalyst Fund. Every round with its source.

Source: https://millionrounds.com/company/telesair (Millionrounds; every figure on the page links to its filing or article)

United States · [Venture startup](https://millionrounds.com/companies)

# Who invested in *Telesair*

2 rounds we have observed, with the one investor 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.

Healthcare

Raised 8 months ago

Funding summary Updated 26 Oct 2026

**$25M** raised across 2 rounds since 2023, from 2 sources

**$22M** Series A **$3.0M** Venture

- **Latest round:** Venture, $3.0M Mar 2026
- **Biggest round:** $22M Series A · Jan 2023
- **Investors:** 1

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.

2023 2024 2025 2026

**$22M** Series A

**$3.0M** Venture

- **First round:** Series A, $22M
- **Biggest round:** $22M
- **Between rounds:** 3.2 years

## The rounds

- **Mar 2026** Venture **$3.0M** *1 returning* [Catalyst Fund](https://millionrounds.com/fund/catalyst-fund-2) Source recorded SEC filing: $3.0M sold, first sale Feb 2026
- **Jan 2023** Series A **$22M** *1 new* [Catalyst Fund](https://millionrounds.com/fund/catalyst-fund-2) Source recorded SEC filing: $23M sold, first sale Sept 2022

## Everyone who backed them

[Catalyst Fund](https://millionrounds.com/fund/catalyst-fund-2) Growth equity **2** rounds

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=telesair).

## Also claim to have backed them

These 2 firms list Telesair 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.

[Device of Tomorrow Capital](https://millionrounds.com/fund/device-of-tomorrow-capital) Investment firm Per its own site

[Pasaca Capital](https://millionrounds.com/fund/pasaca-capital-inc) Private equity Per its own site

## Quick answers about Telesair

### Who invested in Telesair?

Telesair's investors include Catalyst Fund.

### How much has Telesair raised?

Telesair has raised $25M across 2 rounds since 2023.

### When did Telesair last raise?

Telesair's most recent round was a Venture of $3.0M in Mar 2026.

### What was Telesair's biggest round?

Telesair's largest round on record is $22M (Series A), in Jan 2023.

### Who backed Telesair first?

Telesair's first round on record, in Jan 2023, was backed by Catalyst Fund.

### What stage is Telesair at?

Telesair's latest named round is a Venture, in Mar 2026.

### Where is Telesair based?

Telesair is based in the United States.

## Companies like Telesair

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)

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