# LMArena funding: rounds and investors

> LMArena has raised $250M across 2 rounds since 2025. Investors include Andreessen Horowitz, Felicis and UC Investments. Every round with its source.

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

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

# Who invested in *LMArena*

2 rounds we have observed, with the 9 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 Big Data & Analytics Developer Tools

Raised 10 months ago Valuation: $1.7B, Mar 2026

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Funding summary Updated 5 Nov 2026

**$250M** raised across 2 rounds since 2025, from 3 sources

**$100M** Seed **$150M** Series A

- **Latest round:** Series A, $150M Jan 2026
- **Led by:** Felicis
- **Step-up i:** 1.5×
- **Investors:** 9 (3 led)

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

**$100M** Seed

**$150M** Series A

- **First round:** Seed, $100M
- **Biggest round:** $150M
- **Between rounds:** 8 months

## The rounds

- **Jan 2026** Series A **$150M** *4 new* *5 returning* [Felicis](https://millionrounds.com/fund/felicis-ventures) Lead [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) [The House Fund](https://millionrounds.com/fund/the-house-fund) [LDV Partners](https://millionrounds.com/fund/ldv-partners) [UC Investments](https://millionrounds.com/fund/uc-investments) [Laude Ventures](https://millionrounds.com/fund/laude-ventures) [LDVP](https://millionrounds.com/fund/ldvp) Reported by TechCrunch and 1 other
- **May 2025** Seed **$100M** *5 new* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) Lead [UC Investments](https://millionrounds.com/fund/uc-investments) Lead [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Felicis](https://millionrounds.com/fund/felicis-ventures) [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) Reported by TechCrunch

## 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.

**Seed** 2025 **Series A** 2026 [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) L [Felicis](https://millionrounds.com/fund/felicis-ventures) L [UC Investments](https://millionrounds.com/fund/uc-investments) L [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) [The House Fund](https://millionrounds.com/fund/the-house-fund) [LDV Partners](https://millionrounds.com/fund/ldv-partners) [Laude Ventures](https://millionrounds.com/fund/laude-ventures) [LDVP](https://millionrounds.com/fund/ldvp)

## Everyone who backed them

[Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **2** rounds, led 1

[Felicis](https://millionrounds.com/fund/felicis-ventures) VC firm **2** rounds, led 1

[UC Investments](https://millionrounds.com/fund/uc-investments) VC firm **2** rounds, led 1

[Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) VC firm **2** rounds

[Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) VC firm **2** rounds

[The House Fund](https://millionrounds.com/fund/the-house-fund) Accelerator **1** round

[LDV Partners](https://millionrounds.com/fund/ldv-partners) VC firm **1** round

[Laude Ventures](https://millionrounds.com/fund/laude-ventures) VC firm **1** round

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

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

## Quick answers about LMArena

### Who invested in LMArena?

LMArena's investors include Andreessen Horowitz, Felicis, UC Investments, Lightspeed Venture Partners and Kleiner Perkins, and 4 more on record. Felicis led its latest round.

### How much has LMArena raised?

LMArena has raised $250M across 2 rounds since 2025.

### When did LMArena last raise?

LMArena's most recent round was a Series A of $150M in Jan 2026, led by Felicis.

### What was LMArena's biggest round?

Its most recent round, $150M in Jan 2026, is also its largest on record.

### Who backed LMArena first?

LMArena's first round on record, in May 2025, was backed by Andreessen Horowitz, UC Investments and Lightspeed Venture Partners and 2 others.

### What stage is LMArena at?

LMArena's latest named round is a Series A, in Jan 2026.

### Where is LMArena based?

LMArena is based in the United States.

### Who led LMArena's rounds?

Andreessen Horowitz led the Seed in 2025; Felicis led the Series A in 2026.

## Companies like LMArena

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

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