# TJM Labs funding: rounds and investors

> TJM Labs has raised $85M across 2 rounds since 2025. Investors include Arthur Ventures and Elephant. Every round with its source.

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

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

# Who invested in *TJM Labs*

2 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI

Raised 4 months ago

Funding summary Updated 26 Oct 2026

**$85M** raised across 2 rounds since 2025, from 2 sources

**$10M** Series A **$75M** Series B

- **Latest round:** Series B, $75M Jul 2026
- **Step-up i:** 7.5×
- **Investors:** 2

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026

**$10M** Series A

**$75M** Series B

- **First round:** Series A, $10M
- **Biggest round:** $75M
- **Between rounds:** 8 months

## The rounds

- **Jul 2026** Series B **$75M** *1 new* *1 returning* [Arthur Ventures](https://millionrounds.com/fund/arthur-ventures) [Elephant](https://millionrounds.com/fund/elephant) Source recorded
- **Nov 2025** Series A **$10M** *1 new* [Arthur Ventures](https://millionrounds.com/fund/arthur-ventures) Source recorded SEC filing: $10.0M sold, first sale Dec 2025

## Founders and team

From TJM Labs's own website: 4 on the team.

- **Marcie Smith** Vice President of Customer Success
- **Ross Miller** Vice President of Sales
- **Saumya Rawat** Chief Technology Officer
- **Joel Makhluf** Head of Marketing

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Series A** 2025 **Series B** 2026 [Arthur Ventures](https://millionrounds.com/fund/arthur-ventures) [Elephant](https://millionrounds.com/fund/elephant)

## Everyone who backed them

[Arthur Ventures](https://millionrounds.com/fund/arthur-ventures) VC firm **2** rounds

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

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

## Quick answers about TJM Labs

### Who invested in TJM Labs?

TJM Labs's investors include Arthur Ventures and Elephant.

### How much has TJM Labs raised?

TJM Labs has raised $85M across 2 rounds since 2025.

### When did TJM Labs last raise?

TJM Labs's most recent round was a Series B of $75M in Jul 2026.

### What was TJM Labs's biggest round?

Its most recent round, $75M in Jul 2026, is also its largest on record.

### Who backed TJM Labs first?

TJM Labs's first round on record, in Nov 2025, was backed by Arthur Ventures.

### What stage is TJM Labs at?

TJM Labs's latest named round is a Series B, in Jul 2026.

### Where is TJM Labs based?

TJM Labs is based in the United States.

## Companies like TJM Labs

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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