# Fine Structure Venture

> Fine Structure Venture is a VC fund backing Energy and Manufacturing. See 41 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Boston, United States
- Total investments: 41
- Last investment: Jun 2026
- Lead investor: 44%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/finestructure/about/
- Website: https://finestructure.vc/

Fine Structure Venture is an investment firm.

## Contacts

5 contacts available for Fine Structure Venture. Shizune tracks 3 team members at Fine Structure Venture. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/fine-structure-venture?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $5M–$28M |
| Series A | $12M–$58M |
| Series B | $6.2M–$100M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 6 | 15% |
| Manufacturing | 6 | 15% |
| Clean Energy | 5 | 12% |
| Renewable Energy | 5 | 12% |
| Biotechnology | 4 | 10% |

64 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 16 | 39% |
| Series B | 9 | 22% |
| Seed | 6 | 15% |
| Series C | 2 | 5% |
| Venture - Series Unknown | 2 | 5% |

7 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 21 | 51% |
| United Kingdom | 3 | 7% |
| Spain | 1 | 2% |
| Canada | 1 | 2% |
| Australia | 1 | 2% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Shyam Kamadolli | Managing Director | 9 | https://shizune.co/investors/profile/shyam-kamadolli |
| Brett J. Rome | Venture Partner | 9 | https://shizune.co/investors/profile/brett-j-rome |
| Josué J. L | Senior Associate | 1 | https://shizune.co/investors/profile/josu%C3%A9-j-l |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| BoolSi | BoolSi is a command line tool for distributed simulations and analysis of synchronous Boolean networks. | $6M | Seed | Jun 18, 2026 |  |
| pH7 | pH7 is a cleantech firm that develops and implements methods for the sustainable extraction and refining of strategic metals, which are required for the transition to renewable energy. This pilot project will offer the industry a solution for the sustainable extraction of Platinum Group Metals from secondary and primary resources using green,biodegradable, and recyclable solvents rather than smelting methodologies. | $6.2M | Series B | Apr 13, 2026 |  |
| Sepion Technologies | Sepion is an advanced membrane company offering a platform suite of highly-tunable nanoscale membranes for multiple industrial markets. The company was founded in 2015 and is based in Emeryville, California, United States. | $10M | Series B | Mar 26, 2026 |  |
| DG Matrix | DG Matrix innovative solutions unlock gigaton-scale emissions reductions by enabling electrification anywhere and everywhere with less material and a smaller footprint. | $60M | Series A | Feb 18, 2026 |  |
| pH7 | pH7 is a cleantech firm that develops and implements methods for the sustainable extraction and refining of strategic metals, which are required for the transition to renewable energy. This pilot project will offer the industry a solution for the sustainable extraction of Platinum Group Metals from secondary and primary resources using green,biodegradable, and recyclable solvents rather than smelting methodologies. | $25.6M | Series B | Dec 04, 2025 |  |
| Nitricity | We make plant-based, climate-smart fertilizer. For the good of our farmers and the planet. | $64M | Series B | Sep 10, 2025 |  |
| Debut | Debut Biotech develops biotechnology-based beauty ingredients and formulations in a vertically integrated manner, beginning with AI-powered discovery and continuing through biosynthesis, biomanufacturing, downstream processing, and finished formulations. The company utilizes its BeautyORB platform to computationally screen vast chemical librariesand predict novel bioactives, which then proceed through validation, safety testing, and formulation for skincare and haircare applications. Debut employs both engineered microbial fermentation and cell-free enzymatic systems to produce these novel ingredients sustainably and then transitions them into proprietary formulations or custom white-label products. | $20M | Venture - Series Unknown | Aug 26, 2025 |  |
| Aalo Atomics | Aalo Atomics designs and builds small nuclear fission reactors, to sell affordable and reliable clean power and heat. | $100M | Series B | Aug 19, 2025 |  |
| Finwave Semiconductor | Finwave Semiconductor develops a 3DGaN technology designed to enhance 5G devices. |  | Series B | May 14, 2025 |  |
| Finwave Semiconductor | Finwave Semiconductor develops a 3DGaN technology designed to enhance 5G devices. | $8.2M | Venture - Series Unknown | May 14, 2025 |  |

10 of 41 investments shown.

## Co-investors
- [The Engine](https://shizune.co/investors/profile/the-engine) — VC Fund, 8 deals together
- [The Engine](https://shizune.co/investors/profile/the-engine-b5c2) — VC Fund, 7 deals together
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund, 6 deals together
- [Gaingels](https://shizune.co/investors/profile/gaing) — VC Fund, 6 deals together
- [ACVC Partners](https://shizune.co/investors/profile/acvc-partners) — VC Fund, 5 deals together
- [Khosla Ventures](https://shizune.co/investors/profile/khosla-ventures) — VC Fund, 5 deals together

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## FAQ

### What does Fine Structure Venture invest in?

Fine Structure Venture invests primarily in Energy, Manufacturing and Clean Energy startups, most often at Series A and Series B stage. Most of the 41 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 Fine Structure Venture's check size?

Fine Structure Venture typically joins rounds of $5M–$28M at Seed, $12M–$58M at Series A and $6.2M–$100M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Fine Structure Venture participates in.

### How do I contact Fine Structure Venture?

Public channels for Fine Structure Venture include LinkedIn 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 Fine Structure Venture?

The team at Fine Structure Venture includes Shyam Kamadolli (Managing Director), Brett J. Rome (Venture Partner) and Josué J. L (Senior Associate). 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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