# National Brain Tumor Society

> National Brain Tumor Society is a VC fund backing Biotechnology and Medical. See 3 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Newton, United States
- Total investments: 3
- Last investment: Oct 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company-beta/507911/
- X (Twitter): https://twitter.com/NBTStweets
- Website: https://braintumor.org/
- Facebook: https://www.facebook.com/braintumors

National Brain Tumor Society is a VC fund in Newton focused on Biotechnology and Medical. National brain tumor society discovers cure, deliver effective treatments, and advocate for patients and care partners.

## Contacts

5 contacts available for National Brain Tumor Society. Shizune tracks 2 team members at National Brain Tumor Society. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/national-brain-tumor-society?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Biotechnology | 2 | 67% |
| Medical | 1 | 33% |
| Life Science | 1 | 33% |
| Therapeutics | 1 | 33% |
| Health Diagnostics | 1 | 33% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 33% |
| Series A | 1 | 33% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Bonnie Feldman | Founder | 0 | — |
| Sid Feldman | Founder | 0 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Modifi Bio | Modifi Biosciences is a direct DNA modification developing novel cancer therapeutics. The company's strategy for combating cancer centers around modifying tumor DNA in a way that renders cancer cells irreparable while preserving the integrity of healthy cells. This unique approach empowers researchers to disrupt traditional oncology drugdevelopment methods. | $4.3M | Seed | Oct 16, 2023 |  |
| Modifi Bio | Modifi Biosciences is a direct DNA modification developing novel cancer therapeutics. The company's strategy for combating cancer centers around modifying tumor DNA in a way that renders cancer cells irreparable while preserving the integrity of healthy cells. This unique approach empowers researchers to disrupt traditional oncology drugdevelopment methods. | $6.4M | Seed | Jul 28, 2022 |  |
| Alpheus Medical | Alpheus Medical provides a novel sonodynamic therapy platform targeting solid body cancers. Alpheus Medical also provides a non-invasive drug-device combination for outpatient treatment of recurrent glioblastoma multiforme (rGBM). | $16M | Series A | Nov 17, 2021 |  |

3 of 3 investments shown.

## Co-investors
- [BrightEdge Fund](https://shizune.co/investors/profile/brightedge-fund) — VC Fund, 2 deals together
- [Connecticut Innovations](https://shizune.co/investors/profile/connecticut-innovations) — VC Fund, 2 deals together
- [HighCape Partners](https://shizune.co/investors/profile/highcape-partners) — VC Fund, 2 deals together
- [Ironwood Capital](https://shizune.co/investors/profile/ironwood-capital) — VC Fund, 2 deals together
- [Action Potential Venture Capital](https://shizune.co/investors/profile/action-potential-venture-capital) — VC Fund, 1 deal together
- Medtech Convergence Fund — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does National Brain Tumor Society invest in?

National Brain Tumor Society invests primarily in Biotechnology, Medical and Life Science startups, most often at Seed and Series A stage. Most of the 3 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact National Brain Tumor Society?

Public channels for National Brain Tumor Society 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 National Brain Tumor Society?

The team at National Brain Tumor Society includes Bonnie Feldman (Founder) and Sid Feldman (Founder). 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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