# Upstream funding: rounds and investors

> Upstream has raised $1.0M across 2 rounds since 2023. Investors include Y Combinator, Kima Ventures and Connect Ventures. Every round with its source.

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

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

# Who invested in *Upstream*

2 rounds we have observed, with the 3 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 Fintech Martech

Raised 5 months ago

Funding summary Updated 26 Oct 2026

**$1.0M** raised across 2 rounds since 2023, from 2 sources

**$500K** Pre-seed **$500K** Pre-seed

- **Latest round:** Pre-seed, $500K Jun 2026
- **Investors:** 3

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.

2024 2025 2026

**$500K** Pre-seed

**$500K** Pre-seed

- **First round:** Pre-seed, $500K
- **Biggest round:** $500K
- **Between rounds:** 2.8 years

[**Upstream** Cybersecurity 1 / 13 Their pitch deck **Upstream's pitch deck, 13 slides** Each slide read for what it argues, against the decks that raised at the same stage.](https://millionrounds.com/decks/upstream)

## The rounds

- **Jun 2026** Pre-seed **$500K** *2 new* *1 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Kima Ventures](https://millionrounds.com/fund/kima-ventures) [Connect Ventures](https://millionrounds.com/fund/connect-ventures) Source recorded
- **Aug 2023** Pre-seed **$500K** *1 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) 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.

**Pre-seed** 2023 **Pre-seed** 2026 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Kima Ventures](https://millionrounds.com/fund/kima-ventures) [Connect Ventures](https://millionrounds.com/fund/connect-ventures)

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds

[Kima Ventures](https://millionrounds.com/fund/kima-ventures) VC firm **1** round

[Connect Ventures](https://millionrounds.com/fund/connect-ventures) VC firm **1** round

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

## Quick answers about Upstream

### Who invested in Upstream?

Upstream's investors include Y Combinator, Kima Ventures and Connect Ventures.

### How much has Upstream raised?

Upstream has raised $1.0M across 2 rounds since 2023.

### When did Upstream last raise?

Upstream's most recent round was a Pre-seed of $500K in Jun 2026.

### What was Upstream's biggest round?

Its most recent round, $500K in Jun 2026, is also its largest on record.

### Who backed Upstream first?

Upstream's first round on record, in Aug 2023, was backed by Y Combinator.

### What stage is Upstream at?

Upstream's latest named round is a Pre-seed, in Jun 2026.

### Where is Upstream based?

Upstream is based in France.

## Companies like Upstream

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

[**Wealthcome** $25M · Sept 2026](https://millionrounds.com/company/wealthcome)[**OPiO** $4.6M · Sept 2026](https://millionrounds.com/company/opio)[**Hackuity** $19M · Sept 2026](https://millionrounds.com/company/hackuity)[**aais - armageddon artificial intelligence security** $2.5M · Sept 2026](https://millionrounds.com/company/aais-armageddon-artificial-intelligence-security)[**Aria** $311M · Jul 2026](https://millionrounds.com/company/aria)[**Alan** $733M · Jun 2026](https://millionrounds.com/company/alan)

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