# Series B oil & Gas investors (2026 list)

> 14 series B oil & Gas investors, 79% active in the last 12 months. Led by National Science Foundation, Alumni Ventures, Accel. Ranked by what they funded.

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

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

# Series B oil & Gas investors

Updated 7 November 2026

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

[See all 14 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fseries-b-oil-gas-investors)The top 14

**14** investors on the list *-5* this week

**784** cheques in 12 months *-12%* against the market

**$14M** median round they joined *+70%* against the market median

**79%** wrote a cheque in 12 months

**50%** have led a round

## The Top 14

Ordered by cheques observed, never by anything anyone paid for

Deploying now (11)

- 1 [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
- 2 [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
- 3 [Accel](https://millionrounds.com/fund/accel) *Deploying now* VC firm · United States **1,341** **$32M** median round **Nov 2026** last seen
- 4 [Global Founders Capital](https://millionrounds.com/fund/global-founders-capital) *Deploying now* VC firm · Germany **461** **$7M** median round **Oct 2026** last seen
- 5 [DCVC](https://millionrounds.com/fund/data-collective) *Deploying now* VC firm · United States **431** **$29M** median round **Nov 2026** last seen
- 6 [Creative Destruction Lab](https://millionrounds.com/fund/creative-destruction-lab) *Deploying now* Accelerator · Canada **427** **$3M** median round **Sept 2026** last seen
- 7 [Export Development Canada](https://millionrounds.com/fund/export-development-canada) *Deploying now* Government · Canada **163** **$15M** median round **Oct 2026** last seen
- 8 [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) *Deploying now* VC firm · United States **150** **$28M** median round **Oct 2026** last seen
- 9 [AP Ventures](https://millionrounds.com/fund/ap-ventures) *Deploying now* VC firm · United Kingdom **8** **$9.9M** median round **Oct 2026** last seen
- 10 [Blue Earth Capital](https://millionrounds.com/fund/blue-earth-capital) quiet Private equity · Switzerland **4** **$37M** median round **Jul 2025** last seen
- 11 [BHP](https://millionrounds.com/fund/bhp-ventures) *Deploying now* Corporate VC · Australia **3** **$44M** median round **Oct 2026** last seen
- 12 [Rio Tinto](https://millionrounds.com/fund/rio-tinto) *Deploying now* Corporate VC · United Kingdom **3** **$44M** median round **Jul 2026** last seen
- 13 [ALIAD (Air Liquide Venture Capital)](https://millionrounds.com/fund/aliad-air-liquide-venture-capital) quiet VC firm · France **2** **$4.2M** median round **Mar 2025** last seen
- 14 [NOVA by Saint-Gobain](https://millionrounds.com/fund/nova-by-saint-gobain) quiet Growth equity **2** **$13M** median round **Mar 2025** last seen

## The Newest Cheques

Rounds this list's investors joined most recently

- **6** Nov **[Thinking Machines Lab](https://millionrounds.com/company/thinking-machines-lab)** Other · $5B *Led by* [Accel](https://millionrounds.com/fund/accel)
- **5** Nov **[firmly](https://millionrounds.com/company/firmly)** Series A · $15M *With* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund)
- **5** Nov **[Circularity Fuels](https://millionrounds.com/company/circularity-fuels)** Seed · $7M *Led by* [DCVC](https://millionrounds.com/fund/data-collective)
- **5** Nov **[RadianX](https://millionrounds.com/company/radianx)** Seed · $9M *With* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund)
- **4** Nov **[Corridian](https://millionrounds.com/company/corridian)** Seed · $38M *With* [DCVC](https://millionrounds.com/fund/data-collective)
- **3** Nov **[PowerUp Money](https://millionrounds.com/company/powerup-money)** Other · $10M *With* [Accel](https://millionrounds.com/fund/accel)

## Stages This Year

759 rounds

- Venture **23%**
- Series A **15%**
- Seed **15%**
- Series B **11%**
- Grant **10%**
- Other **26%**

## What They Backed

Sectors, last 12 months

- AI **267**
- Biotech **76**
- Healthcare **58**
- Energy **57**
- Aerospace & Space **38**
- Fintech **33**

## Cheques by Quarter

Led Joined

234 Q1 25

227 Q2 25

253 Q3 25

245 Q4 25

254 Q1 26

193 Q2 26

213 Q3 26

36 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 oil & Gas investors

### Who are the most active series B oil & Gas investors?

By cheques observed, the most active are National Science Foundation, Alumni Ventures, Accel, Global Founders Capital and DCVC.

### How many series B oil & Gas investors are there?

14 are on record. 79% made an investment in the last 12 months and 50% have led a round.

### Which stages do series B oil & Gas investors back?

Of the rounds with a named stage in the last 12 months, mostly Series A (22%) and Seed (22%).

### How big are the rounds series B oil & Gas investors join?

The typical (median) round among the leading investors here is $15M.

### Which sectors do series B oil & Gas investors back most?

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

### Which series B oil & Gas investors lead the most rounds?

Accel (103 led), DCVC (12 led) and Global Founders Capital (11 led).

### Where are series B oil & Gas investors based?

Among the most active, most are based in the United States (5), Canada (2) and the United Kingdom (2).

### What have series B oil & Gas investors invested in recently?

Recent rounds include Thinking Machines Lab (Other, Nov 2026, with Accel), firmly (Series A, Nov 2026, with Alumni Ventures) and Circularity Fuels (Seed, Nov 2026, with DCVC).

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