# JAM Fund: portfolio, investments and team

> JAM Fund is a vc firm based in United States. 2 investments on record, 2 in the last 12 months, latest Dec 2025. Portfolio, stages, co-investors and team.

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

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

# JAM Fund

Last cheque observed Dec 2025; 2 cheques on record.

Email

VC firm Deploying now

Debt Seed Series A

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Deploying now

**100%** of best year **2** **cheques in 12 months**, 2 on record

Since the last cheque **324** days **00** hrs **00** min **00** sec

Median round **$125M** Rounds led **0 of 2**

Pitch JAM Fund

## JAM Fund highlights

- 01 2 cheques in the last 12 months
- 02 Mostly Series B and Series C: 100% of its rounds

## What they do

> The page title is 'JAM Fund'. From their own website

- **Type:** VC firm (from a list, unverified)
- **Cheque size:** Not stated
- **Stages:** Debt Seed Series A Series B
- **Based in:** Los Angeles, United States
- **Cold pitches:** Not stated

## The record

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

- **2025** 2 rounds
- **Dec** **[Last Energy](https://millionrounds.com/company/last-energy)** Series C · TechCrunch **$100M** With 11 others
- **Dec** **[Curative](https://millionrounds.com/company/curative)** Series B · US · Ventureburn **$150M** With 7 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.

## The team

Named by the firm itself, on a filing, its Form ADV or its company registration **1 named**

JM **Justin Mateen** Managing Member i Form ADV

## What the register says

From the firm's own filings with the SEC, which it must file accurately by law

**$1.0B** gross assets of its funds Oct 2026

**Exempt** reporting adviser venture or small private funds

- **Legal name:** JAM Fund, LLC
- **SEC number:** CRD 311616

## The cheque

Debt Seed Series A

Median round joined **$125M** the round, not its cheque

Led 0 of 2 rounds **0%**

- **Sole investor:** Never alone
- **Last cheque:** Dec 2025

Rounds by stage said on their site

- Series B said *1*
- Series C *1*
- Debt said *-*
- Seed said *-*
- Series A said *-*

Cheques by month Led Joined

Dec 2023 Nov 2026

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## Recently backed

The latest companies JAM Fund put money into.

[**Last Energy** $100M · Dec 2025](https://millionrounds.com/company/last-energy)[**Curative** $150M · Dec 2025](https://millionrounds.com/company/curative)

## Quick answers about JAM Fund

### What does JAM Fund invest in?

JAM Fund invests most often at Series B and Series C (100% of the rounds on record).

### How active is JAM Fund?

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

### What has JAM Fund invested in recently?

Its most recent investments on record: Last Energy (Series C, Dec 2025) and Curative (Series B, Dec 2025).

### How big are JAM Fund's cheques?

The median round it joins is $125M.

### Is JAM Fund investing now?

Yes: it is actively investing, with 2 investments in the last 12 months.

### What kind of investor is JAM Fund?

JAM Fund is a VC firm based in Los Angeles, United States.

### How much does JAM Fund manage?

About $1.0B, as gross assets of its private funds (Oct 2026).

### Where does this information on JAM Fund come from?

From 2 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=jam-fund) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=jam-fund)