# Terra Security funding: rounds and investors

> Terra Security has raised $8.0M across 2 rounds since 2025. Investors include Underscore VC, SYN Ventures and Felicis. Every round with its source.

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

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

# Who invested in *Terra Security*

2 rounds we have observed, with the 4 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.

Cybersecurity

Funding summary Updated 26 Oct 2026

**$8.0M** raised across 2 rounds since 2025, from 2 sources

- **Latest round:** Venture Oct 2025
- **Biggest round:** $8.0M Seed · Apr 2025
- **Investors:** 4

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.

2026

**$8.0M** Seed

**?** Venture

- **First round:** Seed, $8.0M
- **Biggest round:** $8.0M
- **Between rounds:** 6 months

## The rounds

- **Oct 2025** Venture **Amount undisclosed** *2 new* *2 returning* [Felicis](https://millionrounds.com/fund/felicis-ventures) [Dell Technologies Capital](https://millionrounds.com/fund/dell-technologies-capital) [Underscore VC](https://millionrounds.com/fund/underscore-vc) [SYN Ventures](https://millionrounds.com/fund/syn-ventures) Source recorded
- **Apr 2025** Seed **$8.0M** *2 new* [Underscore VC](https://millionrounds.com/fund/underscore-vc) [SYN Ventures](https://millionrounds.com/fund/syn-ventures) Source recorded

## 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.

**Seed** 2025 **Venture** 2025 [Underscore VC](https://millionrounds.com/fund/underscore-vc) [SYN Ventures](https://millionrounds.com/fund/syn-ventures) [Felicis](https://millionrounds.com/fund/felicis-ventures) [Dell Technologies Capital](https://millionrounds.com/fund/dell-technologies-capital)

## Everyone who backed them

[Underscore VC](https://millionrounds.com/fund/underscore-vc) VC firm **2** rounds

[SYN Ventures](https://millionrounds.com/fund/syn-ventures) VC firm **2** rounds

[Felicis](https://millionrounds.com/fund/felicis-ventures) VC firm **1** round

[Dell Technologies Capital](https://millionrounds.com/fund/dell-technologies-capital) Corporate VC **1** round

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

## Quick answers about Terra Security

### Who invested in Terra Security?

Terra Security's investors include Underscore VC, SYN Ventures, Felicis and Dell Technologies Capital.

### How much has Terra Security raised?

Terra Security has raised $8.0M across 2 rounds since 2025. One round did not disclose an amount, so the total is a floor.

### When did Terra Security last raise?

Terra Security's most recent round was a Venture in Oct 2025.

### What was Terra Security's biggest round?

Terra Security's largest round on record is $8.0M (Seed), in Apr 2025.

### Who backed Terra Security first?

Terra Security's first round on record, in Apr 2025, was backed by Underscore VC and SYN Ventures.

### What stage is Terra Security at?

Terra Security's latest named round is a Venture, in Oct 2025.

### Where is Terra Security based?

Terra Security is based in the United States.

## Companies like Terra Security

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

[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Opsin** $21M · Oct 2026](https://millionrounds.com/company/opsin)[**Harmonic Security** $68M · Oct 2026](https://millionrounds.com/company/harmonic-security)[**Reach Security** $60M · Oct 2026](https://millionrounds.com/company/reach-security)[**Persona** $210M · Oct 2026](https://millionrounds.com/company/persona)[**Hilt** $4.7M · Oct 2026](https://millionrounds.com/company/hilt)

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