# Metalmark Innovations funding: rounds and investors

> Metalmark Innovations has raised across 1 round since 2023. Investors include National Science Foundation, MassVentures and Third Sphere.

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

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

# Who invested in *Metalmark Innovations*

One round we have observed, with the 4 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

**Undisclosed** raised across 1 round since 2023, from 1 source

- **Latest round:** Venture Jul 2023
- **Investors:** 4

See who backed them

## The rounds

- **Jul 2023** Venture **Amount undisclosed** [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [MassVentures](https://millionrounds.com/fund/massventures) [Third Sphere](https://millionrounds.com/fund/third-sphere) [Massachusetts Clean Energy Center](https://millionrounds.com/fund/massachusetts-clean-energy-center) Source recorded

## Founders and team

From the SEC filings it signed: 3 on the team.

- **Sissi Liu** Chief Executive Officer; President; Treasurer i
- **Elijah Shirman** Vice President of Technology i
- **Tanya Shirman** Vice President of Materials Design; Secretary i

On the board, as filed i *Denise Chen*

## Everyone who backed them

[National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round

[MassVentures](https://millionrounds.com/fund/massventures) VC firm **1** round

[Third Sphere](https://millionrounds.com/fund/third-sphere) VC firm **1** round

[Massachusetts Clean Energy Center](https://millionrounds.com/fund/massachusetts-clean-energy-center) VC firm **1** round

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

## Quick answers about Metalmark Innovations

### Who invested in Metalmark Innovations?

Metalmark Innovations's investors include National Science Foundation, MassVentures, Third Sphere and Massachusetts Clean Energy Center.

### How much has Metalmark Innovations raised?

Metalmark Innovations has raised 1 round since 2023, none with a disclosed amount.

### When did Metalmark Innovations last raise?

Metalmark Innovations's most recent round was a Venture in Jul 2023.

### Who backed Metalmark Innovations first?

Metalmark Innovations's first round on record, in Jul 2023, was backed by National Science Foundation, MassVentures and Third Sphere and 1 others.

### What stage is Metalmark Innovations at?

Metalmark Innovations's latest named round is a Venture, in Jul 2023.

### Where is Metalmark Innovations based?

Metalmark Innovations is based in the United States.

## Companies like Metalmark Innovations

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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