# Sidecar Angels

> Sidecar Angels is a VC fund backing Biotechnology and Health Care. See 68 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Somerville, United States
- Total investments: 68
- Last investment: Jul 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/sidecar-angels
- Website: http://www.sidecarangels.com

Sidecar Angels is a Boston-based angel group that helps venture capital firms and entrepreneurs build early stage companies.

## Contacts

5 contacts available for Sidecar Angels. Shizune tracks 1 team members at Sidecar Angels. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/sidecar-angels?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Biotechnology | 16 | 24% |
| Health Care | 14 | 21% |
| Software | 13 | 19% |
| Medical | 9 | 13% |
| Artificial Intelligence | 9 | 13% |

106 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 28 | 41% |
| Series A | 12 | 18% |
| Funding Round | 11 | 16% |
| Convertible Note | 7 | 10% |
| Series B | 2 | 3% |

9 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 56 | 82% |
| United Kingdom | 1 | 1% |
| Trinidad and Tobago | 1 | 1% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Alden Zecha | Founding Member | 0 | https://shizune.co/investors/profile/alden-zecha |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| BRANDRANK.AI | BRANDRANK.AI help Brands continuously monitor and strengthen positioning using generative AI. | $3M | Seed | Jul 28, 2026 |  |
| Cayuga Biotech | Cayuga Biotech is a startup developing novel hemostatic drugs and devices to reduce uncontrollable bleeding which is a leading cause of death from traumatic injuries. The company's polyphosphate-based drug accelerates the body's own clotting process to contain clotting at the injury site and thus minimize the risk of side effects. Cayugais developing drugs for indications that treat traumatic hemorrhage as well as rare bleeding disorders. | $5M | Seed | Dec 11, 2025 |  |
| Surgicure Technologies | Surgicure is a biotechnology start-up company that is dedicated to building effective medical instruments to prevent unnecessary harm while promoting safety and efficiency for both its patients and practitioners during surgical procedures and healing processes. Its product secures medical tubes intubated within a patient's mouth while relyingon the patient's oral cavity.Founded in 2018 by Irena Volkov, Surgicure Technologies is headquartered in Cambridge, Massachusetts. | $1.8M | Seed | Mar 12, 2025 |  |
| Astrocyte Pharmaceuticals | Astrocyte Pharmaceuticals Inc. is a privately held drug development company dedicated to accelerating the recovery and well-being of brain injury patients. The company is committed to proving the neuroprotective benefits of selective astrocyte activation, and advancing breakthrough therapeutic agents for treating brain injury resulting from stroke,TBI, concussion, and neurodegenerative disorders such as Alzheimer’s disease. | $6M | Series B | Aug 18, 2023 |  |
| TetMedical | TetMedical is a clinical stage platform nanomedicine company focused on in vitro diagnostics. |  | Seed | Jan 01, 2023 |  |
| Torigen Pharmaceuticals | Torigen Pharmaceuticals focuses on providing cancer care solutions for animals. They strive to bring novel approaches to the market to tackle companion animal cancers, building on years of existing scientific research and pushing the boundaries of innovation.The company was founded in 2013 by Ashley Kalinauskas and Mark Suckow and is based inFarmington, Connecticut, United States. | $13M | Series A | May 24, 2022 |  |
| Upswing Health | Upswing Health provides a new way to conveniently deliver orthopedic care. Leveraging artificial intelligence, medical expertise, and an innovative care delivery model, Upswing's digital orthopedic clinic reduces costs and produces better outcomes across the entire MSK care continuum. | $5M | Seed | May 02, 2022 |  |
| Biometry | Biometry is a health technology company that develops connected diagnostics and monitoring tools to support patients with chronic respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). Its platform combines patented breath sensors that measure airway inflammation biomarkers with an analytics engine to generate riskassessments, personalized risk profiles, and insights into symptom triggers and treatment response.Biometry’s solution integrates real-time biomarker data with clinical and environmental factors through a mobile app to help users and clinicians understand disease control and anticipate exacerbations. The technology is designed to enable proactive self-management and support preventive care by identifying changes in risk before symptoms worsen. The company also provides guideline-based coaching and educational content delivered through its platform to assist users in improving long-term disease control. Its products are in development and focus on enabling connected, data-driven approaches for respiratory health management. |  | Seed | Jan 01, 2022 |  |
| doorkee | Doorkee is the first all-in-one solution to streamline the apartment rental process. The company’s peer-to-peer rental platform connects departing tenants, apartment seekers and landlords by aligning incentives to provide a better moving experience for everyone. Landlords save money on vacancy, departing tenants get paid to show their unit, andapartment seekers move-in fee free, all through a seamless, automated, and safe process. With Doorkee, everybody wins! |  | Convertible Note | Dec 27, 2021 |  |
| AOA | AOA Dx is a biotechnology company with a team of entrepreneurs that brings innovative, impactful, and cost-effective medical technologies from research and development into the hands of providers and patients. The company is driven by a mission to bring to market the first accurate early-stage non-invasive ovarian cancer diagnostic test that willimprove clinical practice and help reduce patient mortality. | $2.5M | Seed | Nov 15, 2021 |  |

10 of 68 investments shown.

## Co-investors
- [LaunchPad Venture](https://shizune.co/investors/profile/launchpad-venture-group) — VC Fund, 13 deals together
- [Boston Harbor Angels](https://shizune.co/investors/profile/boston-harbor-angels) — VC Fund, 7 deals together
- [Mass Medical Angels](https://shizune.co/investors/profile/mass-medical-angels) — VC Fund, 6 deals together
- [Beacon Angels](https://shizune.co/investors/profile/beacon-angels) — VC Fund, 5 deals together
- [Companyon Ventures](https://shizune.co/investors/profile/companyon-capital) — VC Fund, 5 deals together
- [Beta Fund](https://shizune.co/investors/profile/beta-fund) — VC Fund, 4 deals 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 Sidecar Angels invest in?

Sidecar Angels invests primarily in Biotechnology, Health Care and Software startups, most often at Seed and Series A stage. Most of the 68 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 Sidecar Angels?

Public channels for Sidecar Angels 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 Sidecar Angels?

The team at Sidecar Angels includes Alden Zecha (Founding Member). 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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