# Nabors

> Nabors is a VC fund in Hamilton backing Energy and Renewable Energy. See 13 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Hamilton, Bermuda
- Total investments: 13
- Last investment: Jul 2026
- Lead investor: 38%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/nabors-industries
- X (Twitter): https://twitter.com/naborsglobal
- Website: http://www.nabors.com/
- Facebook: https://www.facebook.com/Nabors-Drilling-Training-Center-146549918712681/

Nabors is a VC fund in Hamilton focused on Energy and Renewable Energy. Nabors owns and operates the world's largest land-based drilling rig fleet and is a leading provider of offshore platform workover and drilling rigs in the U.S. and multiple international markets. Nabors also provides innovative drilling technology, directional drilling operations and drilling instrumentation and software. Through its varioussubsidiaries, Nabors manufactures and sells top drives, catwalks, wrenches, drawworks and other drilling-related equipment which are installed on both onshore and offshore drilling rigs.

## Contacts

5 contacts available for Nabors. Shizune tracks 4 team members at Nabors. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/nabors-drilling?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Series A | $14M–$58M |
| Corporate Round | $7M–$8M |
| Venture - Series Unknown | $12M–$44M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 4 | 31% |
| Renewable Energy | 3 | 23% |
| Solar | 2 | 15% |
| Mining | 2 | 15% |
| Clean Energy | 2 | 15% |

15 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 5 | 38% |
| Corporate Round | 2 | 15% |
| Venture - Series Unknown | 2 | 15% |
| Series B | 1 | 8% |
| Funding Round | 1 | 8% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 5 | 38% |
| Australia | 1 | 8% |
| Slovakia (Slovak Republic) | 1 | 8% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Clair Nabor | Founder | 0 | https://shizune.co/investors/profile/clair-nabor |
| Josh Comstock | Founder | 0 | https://shizune.co/investors/profile/josh-comstock |
| Lee Simbeye | Field Application Engineer | 0 | https://shizune.co/investors/profile/lee-simbeye |
| William Restrepo | CFO | 0 | https://shizune.co/investors/profile/william-restrepo-4d0c |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Hephae Energy Technology | Hephae Energy Technology is an energy company that offers integrated drilling system to enable the generation of geothermal energy. | $17.8M | Series A | Jul 09, 2026 |  |
| GA Drilling | GA Drilling is a high-tech company developing and commercializing a groundbreaking technology platform PLASMABIT. Our technology enables massive time and cost savings compared to relevant existing drilling technologies and opens up vast new possibilities in oil & gas, geothermal energy, mining and tunneling. | $44.1M | Venture - Series Unknown | Mar 03, 2026 |  |
| Sage Geosystems | Sage Geosystems develops geothermal and energy storage technologies that use subsurface heat and pressure to generate and store electricity. The company’s offerings include systems that store energy underground during low demand and release it to produce power when needed, and technologies that extract geothermal energy for continuous powergeneration. Its platform supports integration with intermittent renewable sources and grid applications, including long-duration storage and consistent electricity supply. Sage also works with partners on pilot projects and commercial deployments that apply its geothermal and storage systems to utility and infrastructure use cases. | $97M | Series B | Jan 21, 2026 |  |
| Vast | Vast is a renewable energy company that has developed CSP systems to generate, store and dispatch carbon-free, utility-scale electricity and industrial heat, and to enable the production of green fuels. | $2.3M | Post-IPO Debt | Aug 11, 2025 |  |
| ignis H2 Energy | ignis H2 Energy Inc is a Geothermal exploration and development company that mainly provides sustainable green energy. | $13.6M | Series A | Feb 20, 2025 |  |
| Hephae Energy Technology | Hephae Energy Technology is an energy company that offers integrated drilling system to enable the generation of geothermal energy. | $6.3M |  | Oct 03, 2024 |  |
| GA Drilling | GA Drilling is a high-tech company developing and commercializing a groundbreaking technology platform PLASMABIT. Our technology enables massive time and cost savings compared to relevant existing drilling technologies and opens up vast new possibilities in oil & gas, geothermal energy, mining and tunneling. | $15M | Venture - Series Unknown | Apr 18, 2024 |  |
| Sage Geosystems | Sage Geosystems develops geothermal and energy storage technologies that use subsurface heat and pressure to generate and store electricity. The company’s offerings include systems that store energy underground during low demand and release it to produce power when needed, and technologies that extract geothermal energy for continuous powergeneration. Its platform supports integration with intermittent renewable sources and grid applications, including long-duration storage and consistent electricity supply. Sage also works with partners on pilot projects and commercial deployments that apply its geothermal and storage systems to utility and infrastructure use cases. | $17M | Series A | Feb 15, 2024 |  |
| Natron Energy | Natron Energy is an energy storage company that develops a high power, long cycle life, and low-cost battery technology. Natron’s battery products are based on a unique Prussian blue chemistry and can integrate into a wide variety of energy storage applications ranging from critical backup power systems to EV fast charging and behind-the-meterapplications. | $7M | Corporate Round | Jul 21, 2022 |  |
| GA Drilling | GA Drilling is a high-tech company developing and commercializing a groundbreaking technology platform PLASMABIT. Our technology enables massive time and cost savings compared to relevant existing drilling technologies and opens up vast new possibilities in oil & gas, geothermal energy, mining and tunneling. | $8M | Corporate Round | Mar 30, 2022 |  |

10 of 13 investments shown.

## Co-investors
- [Underground Ventures](https://shizune.co/investors/profile/underground-ventures) — VC Fund, 4 deals together
- [Alfa8](https://shizune.co/investors/profile/alfa8) — VC Fund, 3 deals together
- [Exascale Fund](https://shizune.co/investors/profile/exascale-fund) — VC Fund, 3 deals together
- [Helium-3 Ventures](https://shizune.co/investors/profile/helium-3-ventures) — VC Fund, 3 deals together
- [Future Ventures](https://shizune.co/investors/profile/future-ventures) — VC Fund, 2 deals together
- [Grantham Foundation](https://shizune.co/investors/profile/grantham-foundation) — VC Fund, 2 deals together

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## FAQ

### What does Nabors invest in?

Nabors invests primarily in Energy, Renewable Energy and Solar startups, most often at Series A and Corporate Round stage. Most of the 13 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Nabors's check size?

Nabors typically joins rounds of $14M–$58M at Series A, $7M–$8M at Corporate Round and $12M–$44M at Venture - Series Unknown. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Nabors participates in.

### How do I contact Nabors?

Public channels for Nabors include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Nabors?

The team at Nabors includes Clair Nabor (Founder), Josh Comstock (Founder) and Lee Simbeye (Field Application Engineer). The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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