# VAST raises $446M Series B led by Matrix Partners

> VAST, based in China, has raised $446M in a Series B led by Matrix Partners, announced on 1 September 2026. 8 other investors joined.

Source: https://millionrounds.com/news/rounds/vast-series-b-2026-09 (Millionrounds; every figure on the page links to its filing or article)

Raised **$446M** 2 sources reported it

Stage **Series B** 3 earlier rounds on record

Investors **9** 1 named as lead

Where **CN** China

AI Advanced Manufacturing Generative AI

## How big is it?

Against every equity round we recorded in the twelve months to 1 September 2026. Ranks count companies, so the same raise reported twice is counted once.

**#127** equity round of the last twelve months

**#13** Series B of 389 in that time

**#4** round in China, of 22

This round **$446M**

Median Series B **$50M**

8.9 times the median Series B of the last twelve months.

## Who invested

- [**Matrix Partners** 1 round in the last twelve months *Led*](https://millionrounds.com/fund/matrix-partners-china)

Also in the round

- [Blue Focus PR Consulting](https://millionrounds.com/fund/bluefocus)
- [Thundersoft](https://millionrounds.com/fund/thundersoft)
- [37 Interactive Entertainment](https://millionrounds.com/fund/37-interactive-entertainment)
- [Primavera Capital Group](https://millionrounds.com/fund/primavera-capital-group)
- [CMC Capital Group](https://millionrounds.com/fund/cmc-capital-partners)
- [Perfect World](https://millionrounds.com/fund/perfect-world)
- [CICC Capital](https://millionrounds.com/fund/cicc-capital)
- [CDH VGC](https://millionrounds.com/fund/cdh-vgc)

## Funding history

- September 2026 Series B **$446M**
- March 2026 Series A **$500M**
- July 2025 Pre-seed **Undisclosed**
- April 2005 Series A **Undisclosed**

$946M raised across the 4 rounds we hold.

## Reported by

- TechStartups 1 September
- Ventureburn 1 September

The round's figures come from these reports; each link opens the original.

## Other big rounds that week

[**Crusoe** $3.0B Growth](https://millionrounds.com/news/rounds/crusoe-growth-round-2026-09)[**Snorkel AI** $350M Growth](https://millionrounds.com/news/rounds/snorkel-ai-growth-round-2026-09)[F **Félix** $200M Series C](https://millionrounds.com/news/rounds/fe-lix-series-c-2026-09)[**Scan.com** $220M Growth](https://millionrounds.com/news/rounds/scan-com-growth-round-2026-08)

[The company **VAST on Millionrounds** *→*](https://millionrounds.com/company/vast)[Weekly roundup **Week of 31 August** *→*](https://millionrounds.com/news/weekly/2026-08-31)[Monthly roundup **September 2026** *→*](https://millionrounds.com/news/monthly/2026-09)

**How this article is made**

We write one for every equity round of $100M or more that at least two sources reported. It is put together from our record of rounds, not rewritten from the reports: the ranks and medians count every equity round we read in the twelve months to the round's date. [How we read rounds](https://millionrounds.com/methodology) · [Report a mistake](https://millionrounds.com/corrections)