# Tailfin funding: rounds and investors

> Tailfin has raised $500K across 1 round since 2023. Investors include Y Combinator. Every round with its source.

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

United States · [Pre-seed startup](https://millionrounds.com/companies)

# Who invested in *Tailfin*

One round we have observed, with the one investor 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.

Big Data & Analytics

Funding summary Updated 26 Oct 2026

**$500K** raised across 1 round since 2023, from 1 source

- **Latest round:** Pre-seed, $500K Apr 2023
- **Investors:** 1

See who backed them

## The rounds

- **Apr 2023** Pre-seed **$500K** [Y Combinator](https://millionrounds.com/fund/y-combinator) Source recorded

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

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

## Quick answers about Tailfin

### Who invested in Tailfin?

Tailfin's investors include Y Combinator.

### How much has Tailfin raised?

Tailfin has raised $500K across 1 round since 2023.

### When did Tailfin last raise?

Tailfin's most recent round was a Pre-seed of $500K in Apr 2023.

### What was Tailfin's biggest round?

Its most recent round, $500K in Apr 2023, is also its largest on record.

### Who backed Tailfin first?

Tailfin's first round on record, in Apr 2023, was backed by Y Combinator.

### What stage is Tailfin at?

Tailfin's latest named round is a Pre-seed, in Apr 2023.

### Where is Tailfin based?

Tailfin is based in the United States.

## Companies like Tailfin

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Xona** $512M · Oct 2026](https://millionrounds.com/company/xona)[**DrizzleX** $9.1M · Oct 2026](https://millionrounds.com/company/drizzlex)[**Prism Data** $25M · Oct 2026](https://millionrounds.com/company/prism-data)[**Homa** $5.0M · Oct 2026](https://millionrounds.com/company/homa)

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