# Series B data Infrastructure investors (2026 list)

> 27 series B data Infrastructure investors, 93% active in the last 12 months. Led by Lightspeed Venture Partners, Bessemer Venture Partners, Gaingels.

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

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

# Series B data Infrastructure investors

Updated 7 November 2026

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

[See all 27 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fseries-b-data-infrastructure-investors)The top 25

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

**1,113** cheques in 12 months *+10%* against the market

**$20M** median round they joined *+150%* against the market median

**93%** 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 (23)

- 1 [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
- 2 [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
- 3 [Gaingels](https://millionrounds.com/fund/gaingels) *Deploying now* Private equity · United States **1,010** **$8M** median round **Oct 2026** last seen
- 4 [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) *Deploying now* VC firm · United States **765** **$40M** median round **Oct 2026** last seen
- 5 [Mitsubishi UFJ Capital](https://millionrounds.com/fund/mitsubishi-ufj-capital-co-ltd) *Deploying now* VC firm · Japan **493** **$4.7M** median round **Nov 2026** last seen
- 6 [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) *Deploying now* VC firm · Japan **397** **$6.5M** median round **Nov 2026** last seen
- 7 [FirstMark](https://millionrounds.com/fund/firstmark) *Deploying now* VC firm · United States **319** **$20M** median round **Oct 2026** last seen
- 8 [Wellington Management](https://millionrounds.com/fund/wellington-management) *Deploying now* VC firm · United States **297** **$130M** median round **Oct 2026** last seen
- 9 [Icehouse Ventures](https://millionrounds.com/fund/icehouse-ventures) *Deploying now* VC firm · New Zealand **179** **$2.4M** median round **Oct 2026** last seen
- 10 [DNX Ventures](https://millionrounds.com/fund/dnx-ventures-us) *Deploying now* VC firm · United States **149** **$5M** median round **Sept 2026** last seen
- 11 [Amplify Partners](https://millionrounds.com/fund/amplify-partners) *Deploying now* VC firm · United States **139** **$20M** median round **Oct 2026** last seen
- 12 [SE Ventures](https://millionrounds.com/fund/se-ventures) *Deploying now* Corporate VC · United States **112** **$16M** median round **Oct 2026** last seen
- 13 [S3 Ventures](https://millionrounds.com/fund/s3-ventures) *Deploying now* VC firm · Saudi Arabia **97** **$11M** median round **Nov 2026** last seen
- 14 [Portfolia](https://millionrounds.com/fund/portfolia) *Deploying now* VC firm · United States **86** **$5.1M** median round **Jul 2026** last seen
- 15 [Eclipse](https://millionrounds.com/fund/eclipse) *Deploying now* VC firm · United States **79** **$51M** median round **Nov 2026** last seen
- 16 [ForgePoint Capital](https://millionrounds.com/fund/forgepoint-capital) *Deploying now* VC firm · United States **56** **$25M** median round **Oct 2026** last seen
- 17 [ABN AMRO Fund](https://millionrounds.com/fund/abn-amro-clearing) *Deploying now* Corporate VC · Netherlands **54** **$185M** median round **Nov 2026** last seen
- 18 [Metaplanet](https://millionrounds.com/fund/metaplanet) *Deploying now* VC firm · Estonia **49** **$9.7M** median round **Jun 2026** last seen
- 19 [Wavemaker Three-Sixty Health](https://millionrounds.com/fund/wavemaker-three-sixty-health) *Deploying now* VC firm · United States **48** **$5.6M** median round **Jul 2026** last seen
- 20 [Spring Mountain Capital](https://millionrounds.com/fund/spring-mountain-capital) *Deploying now* Private equity · United States **23** **$13M** median round **Jun 2026** last seen
- 21 [WestBridge Capital](https://millionrounds.com/fund/westbridge-capital) *Deploying now* VC firm · United States **19** **$50M** median round **Jul 2026** last seen
- 22 [rocketship.vc](https://millionrounds.com/fund/rocketship-vc) quiet VC firm · United States **10** **$12M** median round **Apr 2025** last seen
- 23 [B37 Ventures](https://millionrounds.com/fund/b37-ventures) quiet VC firm · United States **3** **$40M** median round **Apr 2025** last seen
- 24 [Innovius Capital](https://millionrounds.com/fund/innovius-capital) *Deploying now* Private equity · United States **3** **$36M** median round **Aug 2026** last seen
- 25 [GTM Capital](https://millionrounds.com/fund/gtm-capital) *Deploying now* VC firm · United States **2** **$32M** median round **Jul 2026** last seen

**2 more on this list**

All 27 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-data-infrastructure-investors)

## The Newest Cheques

Rounds this list's investors joined most recently

- **6** Nov **[Humble Robotics](https://millionrounds.com/company/humble-robotics)** Series A · $51M *With* [Eclipse](https://millionrounds.com/fund/eclipse)
- **5** Nov **[Pure Data Centres Group](https://millionrounds.com/company/pure-data-centres-group)** Debt · $1.9B *With* [ABN AMRO Fund](https://millionrounds.com/fund/abn-amro-clearing)
- **5** Nov **[Pay2o](https://millionrounds.com/company/pay2o)** Seed *With* [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital)
- **4** Nov **Sentra** Series C · $150M *With* [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners)
- **3** Nov **[fal](https://millionrounds.com/company/fal)** $1.3B *Led by* [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners)
- **3** Nov **[Trajectory](https://millionrounds.com/company/trajectory)** Series A · $45M *With* [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners)

## Stages This Year

989 rounds

- Series A **19%**
- Venture **17%**
- Seed **13%**
- Series B **13%**
- Series C **8%**
- Other **30%**

## What They Backed

Sectors, last 12 months

- AI **420**
- Fintech **67**
- Biotech **60**
- Big Data & Analytics **60**
- Aerospace & Space **52**
- Construction **48**

## Cheques by Quarter

Led Joined

258 Q1 25

247 Q2 25

288 Q3 25

330 Q4 25

348 Q1 26

301 Q2 26

276 Q3 26

70 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 at Series B and scaling

- Blitzscaling: The Lightning-Fast Path to Building Massively Valuable Companies Reid Hoffman · 2018 3.95 from 7,118 ratings on Goodreads Scaling and operations Leading and managing Moats and competition About the book Foreword by Bill Gates LinkedIn cofounder, legendary investor, and host of the award-winning Masters of Scale podcast reveals the secret to starting and scaling massively valuable companies. What entrepreneur or founder doesn’t aspire to build the next Amazon, Facebook, or… On AmazonListen on Audible
- One Page Talent Management: Eliminating Complexity, Adding Value Marc Effron · 2010 4.00 from 311 ratings on Goodreads Leading and managing Hiring and culture Scaling and operations About the book A Revolutionary Approach to Talent Management You know that winning in today’s marketplace requires top quality talent. You also know what it takes to build that talent, and you spend significant financial and human resources to make it happen. Yet somehow, your company’s… On AmazonListen on Audible
- The Culture Code: The Secrets of Highly Successful Groups Daniel Coyle · 2017 4.24 from 37,412 ratings on Goodreads Hiring and culture Leading and managing About the book What do Pixar, Google and the San Antonio Spurs basketball team have in common?The answer is that they all owe their extraordinary success to their team-building skills. In The Culture Code, Daniel Coyle goes inside some of the most effective organisations in the world and… On AmazonListen on Audible
- Scaling Up: How a Few Companies Make It...and Why the Rest Don't Verne Harnish · 2014 4.16 from 6,229 ratings on Goodreads Scaling and operations Leading and managing About the book Winner of the 2015 International Book Awards for General Business Winner of the 2015 National Indie Excellence Award for General Business Winner of the 2015 Readers' Favorite International Book Award Gold Medal for Non-Fiction Business Winner of the 2015 Paris Book… On AmazonListen on Audible

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

As an Amazon Associate we earn from qualifying purchases.

## Quick answers about series B data Infrastructure investors

### Who are the most active series B data Infrastructure investors?

By cheques observed, the most active are Lightspeed Venture Partners, Bessemer Venture Partners, Gaingels, Insight Partners and Mitsubishi UFJ Capital.

### How many series B data Infrastructure investors are there?

27 are on record. 93% made an investment in the last 12 months and 59% have led a round.

### Which stages do series B data Infrastructure investors back?

Of the rounds with a named stage in the last 12 months, mostly Series A (26%) and Seed (18%).

### How big are the rounds series B data Infrastructure investors join?

The typical (median) round among the leading investors here is $20M.

### Which sectors do series B data Infrastructure investors back most?

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

### Which series B data Infrastructure investors lead the most rounds?

Lightspeed Venture Partners (83 led), Bessemer Venture Partners (51 led) and Insight Partners (43 led).

### Where are series B data Infrastructure investors based?

Among the most active, most are based in the United States (19), Japan (2) and New Zealand (1).

### What have series B data Infrastructure investors invested in recently?

Recent rounds include Humble Robotics (Series A, Nov 2026, with Eclipse), Pure Data Centres Group (Debt, Nov 2026, with ABN AMRO Fund) and Pay2o (Seed, Nov 2026, with Mizuho Capital).

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