# Retina Technologies funding: rounds and investors

> Retina Technologies has raised $312K across 1 round since 2022. Investors include Y Combinator and StartEngine. Every round with its source.

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

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

# Who invested in *Retina Technologies*

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.

Healthcare

Funding summary Updated 26 Oct 2026

**$312K** raised across 1 round since 2022, from 1 source

- **Latest round:** Crowdfunding, $312K Aug 2022
- **Investors:** 2

See who backed them

## The rounds

- **Aug 2022** Crowdfunding **$312K** [Y Combinator](https://millionrounds.com/fund/y-combinator) [StartEngine](https://millionrounds.com/fund/startengine) Source recorded

## Funding filed with regulators

Retina Technologies filed one raise, $296K in all. Filings say how much was sold and to how many investors; they never name the investors.

- Aug 2022 **$296K** common stock of $1.1M offered Crowdfunding

## Everyone who backed them

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

[StartEngine](https://millionrounds.com/fund/startengine) Angel network **1** round

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

## Also claim to have backed them

This firm lists Retina Technologies 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.

[Crimson Investment Fund](https://millionrounds.com/fund/crimson-investment-fund) VC firm Per its own site

## Quick answers about Retina Technologies

### Who invested in Retina Technologies?

Retina Technologies's investors include Y Combinator and StartEngine.

### How much has Retina Technologies raised?

Retina Technologies has raised $312K across 1 round since 2022.

### When did Retina Technologies last raise?

Retina Technologies's most recent round was a Crowdfunding of $312K in Aug 2022.

### What was Retina Technologies's biggest round?

Its most recent round, $312K in Aug 2022, is also its largest on record.

### Who backed Retina Technologies first?

Retina Technologies's first round on record, in Aug 2022, was backed by Y Combinator and StartEngine.

### What stage is Retina Technologies at?

Retina Technologies's latest named round is a Crowdfunding, in Aug 2022.

### Where is Retina Technologies based?

Retina Technologies is based in the United States.

## Companies like Retina Technologies

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)

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