# MCJ Collective: portfolio, investments and team

> MCJ Collective is a vc firm based in United States. 2 investments on record, latest May 2025. Portfolio, stages, co-investors and team.

Source: https://millionrounds.com/fund/mcj-collective (Millionrounds; every figure on the page links to its filing or article)

United States · [Investor](https://millionrounds.com/investors)

# MCJ Collective

Last cheque observed May 2025. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.

Email

VC firm Quiet Last fund $2.9M, Oct 2022

Growth Pre-seed Seed Biodiversity Circular Economy Cleantech

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Cheques on record

**0%** of best year **0** **cheques in 12 months**, 2 on record

Since the last cheque **538** days **00** hrs **00** min **00** sec

Median round **$101M** Cheque size, as they say **$100K – $3.0M** Rounds led **0 of 2**

Pitch MCJ Collective

## MCJ Collective highlights

- 01 2 rounds on record
- 02 Mostly Series A and Series B: 100% of its rounds

## What they do

- **Type:** VC firm (from a list, unverified)
- **Cheque size:** $100K – $3.0M as they say
- **Stages:** Growth Pre-seed Seed Series A Series B
- **Sectors:** Biodiversity Circular Economy Cleantech
- **Based in:** United States
- **Cold pitches:** Not stated

## The record

Every round we can evidence, newest first **2 appearances**

- **2025** 1 round
- **May** **[The Nuclear Company](https://millionrounds.com/company/the-nuclear-company)** Series A · US · TechCrunch **$51M** With 5 others
- **2024** 1 round
- **Dec** **[Heirloom](https://millionrounds.com/company/heirloom)** Series B · US · Crunchbase News **$150M** With 11 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

Latest fund on file

**$2.9M**

raised in Oct 2022

From its SEC filing. Nothing newer is on file yet.

## The cheque

Growth Pre-seed Seed

Median round joined **$101M** the round, not its cheque

Led 0 of 2 rounds **0%**

- **Said size:** $100K – $3.0M
- **Sole investor:** Never alone
- **Last cheque:** May 2025

Rounds by stage said on their site

- Series A said *1*
- Series B said *1*
- Growth said *-*
- Pre-seed said *-*
- Seed said *-*

Cheques by month Led Joined

Dec 2023 Nov 2026

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## Quick answers about MCJ Collective

### What does MCJ Collective invest in?

MCJ Collective invests most often at Series A and Series B (100% of the rounds on record), in sectors such as Biodiversity, Circular Economy and Cleantech.

### How active is MCJ Collective?

2 investments on record, 0 of them in the last 12 months. The most recent was in May 2025.

### What has MCJ Collective invested in recently?

Its most recent investments on record: The Nuclear Company (Series A, May 2025) and Heirloom (Series B, Dec 2024).

### How big are MCJ Collective's cheques?

The median round it joins is $101M. It says it writes cheques of $100K to $3.0M.

### Is MCJ Collective investing now?

No investments in the last 12 months; the latest was in May 2025.

### What kind of investor is MCJ Collective?

MCJ Collective is a VC firm based in United States.

### Has MCJ Collective raised a new fund?

Its latest fund filing with the SEC was in Oct 2022, reporting $2.9M raised.

### Where does this information on MCJ Collective come from?

From 3 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night.

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Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=mcj-collective) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=mcj-collective)