# Tesser funding: rounds and investors

> Tesser has raised $4.5M across 1 round since 2025. Investors include Anthemis and Castle Island Ventures. Every round with its source.

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

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

# Who invested in *Tesser*

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

Web3 & Crypto

Funding summary Updated 26 Oct 2026

**$4.5M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $4.5M Oct 2025
- **Investors:** 2

See who backed them

## The rounds

- **Oct 2025** Seed **$4.5M** [Anthemis](https://millionrounds.com/fund/anthemis-group) [Castle Island Ventures](https://millionrounds.com/fund/castle-island-ventures) Source recorded

## Everyone who backed them

[Anthemis](https://millionrounds.com/fund/anthemis-group) VC firm **1** round

[Castle Island Ventures](https://millionrounds.com/fund/castle-island-ventures) VC firm **1** round

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

## Also claim to have backed them

This firm lists Tesser as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[AGCC](https://millionrounds.com/fund/agcc) Accelerator Per its own site

## Quick answers about Tesser

### Who invested in Tesser?

Tesser's investors include Anthemis and Castle Island Ventures.

### How much has Tesser raised?

Tesser has raised $4.5M across 1 round since 2025.

### When did Tesser last raise?

Tesser's most recent round was a Seed of $4.5M in Oct 2025.

### What was Tesser's biggest round?

Its most recent round, $4.5M in Oct 2025, is also its largest on record.

### Who backed Tesser first?

Tesser's first round on record, in Oct 2025, was backed by Anthemis and Castle Island Ventures.

### What stage is Tesser at?

Tesser's latest named round is a Seed, in Oct 2025.

### Where is Tesser based?

Tesser is based in the United States.

## Companies like Tesser

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

[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Arda** $233M · Oct 2026](https://millionrounds.com/company/arda)[**Binance.US** $300M · Oct 2026](https://millionrounds.com/company/binance-us)[**Fission** $10M · Oct 2026](https://millionrounds.com/company/fission)[**Ramp** $4.5B · Oct 2026](https://millionrounds.com/company/ramp)

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