# Series B cloud investors (2026 list)

> 232 series B cloud investors, 94% active in the last 12 months. Led by Y Combinator, 500 Global, National Science Foundation. Ranked by what they funded.

Source: https://millionrounds.com/lists/series-b-cloud-investors (Millionrounds; every figure on the page links to its filing or article)

[Investor Lists](https://millionrounds.com/lists)

# Series B cloud investors

Updated 7 November 2026

Firms we have watched take part in a Series B round raised by a cloud company in the last two years. Both the stage and the sector are what they did, not what their website says.

[See all 232 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fseries-b-cloud-investors)The top 25

**232** investors on the list No change this week

**6,432** cheques in 12 months *+4%* against the market

**$30M** median round they joined *+279%* against the market median

**94%** wrote a cheque in 12 months

**59%** have led a round

## The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

- 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) *Deploying now* Accelerator · United States **6,412** **$3M** median round **Oct 2026** last seen
- 2 [500 Global](https://millionrounds.com/fund/500-startups) *Deploying now* Angel · United States **2,140** **$3.6M** median round **Oct 2026** last seen
- 3 [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) *Deploying now* Government · United States **1,869** **$926K** median round **Sept 2026** last seen
- 4 [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) *Deploying now* VC firm · United States **1,661** **$27M** median round **Nov 2026** last seen
- 5 [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) *Deploying now* VC firm · United States **1,610** **$34M** median round **Oct 2026** last seen
- 6 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) *Deploying now* VC firm · United States **1,598** **$12M** median round **Nov 2026** last seen
- 7 [General Catalyst](https://millionrounds.com/fund/general-catalyst) *Deploying now* VC firm · United States **1,387** **$27M** median round **Nov 2026** last seen
- 8 [SV Angel](https://millionrounds.com/fund/sv-angel) *Deploying now* VC firm · United States **1,349** **$18M** median round **Oct 2026** last seen
- 9 [Accel](https://millionrounds.com/fund/accel) *Deploying now* VC firm · United States **1,341** **$32M** median round **Nov 2026** last seen
- 10 [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) *Deploying now* VC firm · United States **1,341** **$35M** median round **Nov 2026** last seen
- 11 [Intel Capital](https://millionrounds.com/fund/intel-capital) *Deploying now* Corporate VC · United States **1,123** **$22M** median round **Oct 2026** last seen
- 12 [Founders Fund](https://millionrounds.com/fund/founders-fund) *Deploying now* VC firm · United States **1,122** **$15M** median round **Oct 2026** last seen
- 13 [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) *Deploying now* VC firm · United States **1,038** **$30M** median round **Nov 2026** last seen
- 14 [Index Ventures](https://millionrounds.com/fund/index-ventures) *Deploying now* VC firm · United Kingdom **1,027** **$31M** median round **Nov 2026** last seen
- 15 [Gaingels](https://millionrounds.com/fund/gaingels) *Deploying now* Private equity · United States **1,010** **$8M** median round **Oct 2026** last seen
- 16 [Google Ventures](https://millionrounds.com/fund/gv) *Deploying now* Corporate VC · United States **884** **$38M** median round **Oct 2026** last seen
- 17 [Redpoint](https://millionrounds.com/fund/redpoint) *Deploying now* VC firm · United States **742** **$32M** median round **Nov 2026** last seen
- 18 [Menlo Ventures](https://millionrounds.com/fund/menlo-ventures) *Deploying now* VC firm · United States **740** **$37M** median round **Oct 2026** last seen
- 19 [Battery Ventures](https://millionrounds.com/fund/battery-ventures) *Deploying now* VC firm · United States **658** **$32M** median round **Nov 2026** last seen
- 20 [Greycroft](https://millionrounds.com/fund/greycroft) *Deploying now* VC firm · United States **655** **$13M** median round **Nov 2026** last seen
- 21 [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) *Deploying now* Corporate VC · United States **649** **$26M** median round **Nov 2026** last seen
- 22 [Felicis](https://millionrounds.com/fund/felicis-ventures) *Deploying now* VC firm · United States **640** **$20M** median round **Nov 2026** last seen
- 23 [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) *Deploying now* VC firm · United States **535** **$15M** median round **Nov 2026** last seen
- 24 [Founder Collective](https://millionrounds.com/fund/founder-collective) *Deploying now* VC firm · United States **502** **$8M** median round **Sept 2026** last seen
- 25 [HSG](https://millionrounds.com/fund/hsg) *Deploying now* VC firm · Hong Kong SAR China **498** **$31M** median round **Oct 2026** last seen

**207 more on this list**

All 232 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

[See the whole list *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fseries-b-cloud-investors)

## The Newest Cheques

Rounds this list's investors joined most recently

- **6** Nov **[aSand.ai](https://millionrounds.com/company/asand-ai)** Series A · $200M *Led by* [Wangsu Science & Technology](https://millionrounds.com/fund/wangsu-science-and-technology)
- **6** Nov **[Vensum Power](https://millionrounds.com/company/vensum-power)** Series A · $10M *Led by* [Lifeline Ventures](https://millionrounds.com/fund/lifeline-ventures)
- **6** Nov **[Physicl](https://millionrounds.com/company/physicl)** Seed · $10M *With* [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp)
- **6** Nov **[Humble Robotics](https://millionrounds.com/company/humble-robotics)** Series A · $51M *With* [Energy Impact Partners](https://millionrounds.com/fund/energy-impact-partners)
- **6** Nov **[Ocient](https://millionrounds.com/company/ocient)** Series C · $100M *With* [Greycroft](https://millionrounds.com/fund/greycroft)
- **6** Nov **[Thinking Machines Lab](https://millionrounds.com/company/thinking-machines-lab)** Other · $5B *Led by* [Accel](https://millionrounds.com/fund/accel)

## Stages This Year

4,025 rounds

- Venture **20%**
- Series A **18%**
- Seed **17%**
- Series B **10%**
- Pre-seed **9%**
- Other **27%**

## What They Backed

Sectors, last 12 months

- AI **1,847**
- Fintech **258**
- Biotech **243**
- Big Data & Analytics **222**
- Healthcare **220**
- Aerospace & Space **152**

## Cheques by Quarter

Led Joined

1,543 Q1 25

1,585 Q2 25

1,755 Q3 25

1,941 Q4 25

1,946 Q1 26

1,785 Q2 26

1,445 Q3 26

462 Q4 26

The last bar is the quarter still running.

## Lists Like This

- [Seed AI investors 2,922](https://millionrounds.com/lists/seed-ai-investors)
- [Series A AI investors 2,490](https://millionrounds.com/lists/series-a-ai-investors)
- [Series B AI investors 1,557](https://millionrounds.com/lists/series-b-ai-investors)
- [Pre-seed AI investors 1,286](https://millionrounds.com/lists/pre-seed-ai-investors)
- [Growth AI investors 1,186](https://millionrounds.com/lists/growth-ai-investors)
- [Series A fintech investors 950](https://millionrounds.com/lists/series-a-fintech-investors)
- [Series C AI investors 930](https://millionrounds.com/lists/series-c-ai-investors)
- [Seed fintech investors 925](https://millionrounds.com/lists/seed-fintech-investors)
- [Series A biotech investors 650](https://millionrounds.com/lists/series-a-biotech-investors)

[All investor lists *→*](https://millionrounds.com/lists)

## Reading for founders in b2b software and saas

- Lean B2B: Build Products Businesses Want Étienne Garbugli · 2014 4.16 from 249 ratings on Goodreads B2B software and SaaS About the book www.leanb2bbook.com « This is a must read for every B2B entrepreneur, SaaS creator or consultant and business school student. It's the kind of book you don't read once, you go back to it on a regular basis. » - Carmen Gerea, CEO & Co-founder, UsabilityChefs Lean B2B helps… On AmazonListen on Audible
- The Pricing Roadmap: How to Design B2B SaaS Pricing Models That Your Customers Will Love Ulrik Lehrskov-Schmidt · 2023 4.43 from 207 ratings on Goodreads B2B software and SaaS About the book "The definitive resource on SaaS pricing, I absolutely can not recommend this book enough." Viktor Heide, COO of Contractbook.com, Forbes "30 under 30" A foolproof method to achieve skyrocketing sales, growth, and profits for your software as a service (SaaS) product starts… On AmazonListen on Audible
- Integrity: The Courage to Meet the Demands of Reality Henry Cloud · 2006 4.22 from 3,393 ratings on Goodreads B2B software and SaaS About the book Integrity. It is more than simple honesty. It's the key to success. A person with integrity has the -- often rare -- ability to pull everything together, to make it all happen no matter how challenging the circumstances. Drawing on experiences from his work with Fortune 500… On AmazonListen on Audible
- Blueprints for a SaaS Sales Organization by Jacco vanderKooij Jacco van der Kooij · 2015 4.33 from 324 ratings on Goodreads B2B software and SaaS About the book Because of their very nature, SaaS companies live and die on revenue growth. And once the service is ready there is a very small window in which to scale. Missing that window is the difference between massive success and mediocrity. With such high stakes, it is crucial to get a… On AmazonListen on Audible

More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list?role=founder&model=b2b_software&stage=scaling).

As an Amazon Associate we earn from qualifying purchases.

## Quick answers about series B cloud investors

### Who are the most active series B cloud investors?

By cheques observed, the most active are Y Combinator, 500 Global, National Science Foundation, Andreessen Horowitz and New Enterprise Associates.

### How many series B cloud investors are there?

232 are on record. 94% made an investment in the last 12 months and 59% have led a round.

### Which stages do series B cloud investors back?

Of the rounds with a named stage in the last 12 months, mostly Series A (25%) and Seed (23%).

### How big are the rounds series B cloud investors join?

The typical (median) round among the leading investors here is $26M.

### Which sectors do series B cloud investors back most?

In the last 12 months, mostly AI, Fintech and Biotech.

### Which series B cloud investors lead the most rounds?

Andreessen Horowitz (114 led), Accel (103 led) and General Catalyst (97 led).

### Where are series B cloud investors based?

Most of the leading investors here are based in the United States (23 of the top 25); the rest in the United Kingdom and Hong Kong SAR China.

### What have series B cloud investors invested in recently?

Recent rounds include aSand.ai (Series A, Nov 2026, with Wangsu Science & Technology), Vensum Power (Series A, Nov 2026, with Lifeline Ventures) and Physicl (Seed, Nov 2026, with U.S. Venture Partners).

Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)