# Neptune Nanotechnologies funding: rounds and investors

> Neptune Nanotechnologies has raised $1.4M across 1 round since 2023. Investors include Accelerator Centre and Ontario Centre of Innovation.

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

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

# Who invested in *Neptune Nanotechnologies*

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.

Deeptech

Funding summary Updated 26 Oct 2026

**$1.4M** raised across 1 round since 2023, from 1 source

- **Latest round:** Seed, $1.4M Jul 2023
- **Investors:** 2

See who backed them

## The rounds

- **Jul 2023** Seed **$1.4M** [Accelerator Centre](https://millionrounds.com/fund/accelerator-centre) [Ontario Centre of Innovation](https://millionrounds.com/fund/ontario-centre-of-innovation) Source recorded

## Founders and team

From Neptune Nanotechnologies's own website: 3 on the team.

- **Aaron Guan** CFO
- **Dr. Sara Koul** Director, Business Development
- **Spencer Pieczonka** Director, Business Development

## Everyone who backed them

[Accelerator Centre](https://millionrounds.com/fund/accelerator-centre) Accelerator **1** round

[Ontario Centre of Innovation](https://millionrounds.com/fund/ontario-centre-of-innovation) VC firm **1** round

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

## Also claim to have backed them

This firm lists Neptune Nanotechnologies 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.

[China Canada Angels Alliance](https://millionrounds.com/fund/china-canada-angels-alliance) Angel network Per its own site

## Quick answers about Neptune Nanotechnologies

### Who invested in Neptune Nanotechnologies?

Neptune Nanotechnologies's investors include Accelerator Centre and Ontario Centre of Innovation.

### How much has Neptune Nanotechnologies raised?

Neptune Nanotechnologies has raised $1.4M across 1 round since 2023.

### When did Neptune Nanotechnologies last raise?

Neptune Nanotechnologies's most recent round was a Seed of $1.4M in Jul 2023.

### What was Neptune Nanotechnologies's biggest round?

Its most recent round, $1.4M in Jul 2023, is also its largest on record.

### Who backed Neptune Nanotechnologies first?

Neptune Nanotechnologies's first round on record, in Jul 2023, was backed by Accelerator Centre and Ontario Centre of Innovation.

### What stage is Neptune Nanotechnologies at?

Neptune Nanotechnologies's latest named round is a Seed, in Jul 2023.

### Where is Neptune Nanotechnologies based?

Neptune Nanotechnologies is based in Canada.

## Companies like Neptune Nanotechnologies

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

[**Astrus** $20M · Sept 2026](https://millionrounds.com/company/astrus)[**LawZero** $215M · Sept 2026](https://millionrounds.com/company/lawzero)[**Meissner** $2.6M · Sept 2026](https://millionrounds.com/company/meissner)[**Sonus Microsystems** $2.1M · Oct 2025](https://millionrounds.com/company/sonus-microsystems)[**Phononic Vibes** $6.2M · Oct 2026](https://millionrounds.com/company/phononic-vibes)[**Kodama** $7.0M · Oct 2026](https://millionrounds.com/company/kodama)

## Find investors like these

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