# Jonathan Ellis

> Jonathan Ellis is a seed investor at Sandalphon Capital (Chicago) backing Rental and Leasing. See 6 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Sandalphon Capital](https://shizune.co/investors/profile/sandalphon-capital)
- Location: Chicago, United States
- Total investments: 6
- Last investment: May 2026
- Lead investor: 17%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/ellisjr/

Jonathan Ellis is a seed investor at Sandalphon Capital in Chicago focused on Rental and Leasing. Jonathan Ellis - Founder & Managing Director @ Sandalphon Capital

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Rental | 1 | 17% |
| Leasing | 1 | 17% |
| Consumer | 1 | 17% |
| Software | 1 | 17% |
| InsurTech | 1 | 17% |

17 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 50% |
| Series A | 2 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Century Health | Century Health accelerates drug development and commercialization by applying AI to real-world data. It is far too slow today to answer critical questions because the richest clinical data is locked away in silos. Our platform does the heavy lifting to rapidly get you the insight you need, all while supporting the research community and protectingpatient privacy. | $5M | Seed | May 19, 2026 |  |
| ProsperStack | ProsperStack is a hosted cancellation flow that prevents churn. | $2M | Seed | Nov 09, 2022 |  |
| Truss | Truss is an online marketplace to help small and medium-sized business owners find, tour, and lease space. Its tech-enabled platform and its people help you find the right space for the best price in record time. Its technology enables business owners to find the right space confidently by comparing spaces in its marketplace. Truss also offersdedicated brokers who act as the point person throughout the seamless process. Plus, it is the only platform to offer price transparency for small business owners, which means that Truss is the only site to compare pricing on traditional office space and co-working space.Truss was established in 2016 and is based in Deerfield, Illinois. | $15.2M | Series A | Jan 17, 2019 |  |
| Kin Insurance | Kin Insurance is a direct-to-consumer digital insurer focusing on the homeowner's insurance market. Kin Insurance enhances homeowners insurance convenience and affordability by removing external agents. The tech platform offers a seamless user experience, personalized coverage options, and efficient claims service. Kin utilizes extensiveproperty data for precise pricing and improved underwriting results. | $13.1M | Series A | Feb 14, 2018 |  |
| Truss | Truss is an online marketplace to help small and medium-sized business owners find, tour, and lease space. Its tech-enabled platform and its people help you find the right space for the best price in record time. Its technology enables business owners to find the right space confidently by comparing spaces in its marketplace. Truss also offersdedicated brokers who act as the point person throughout the seamless process. Plus, it is the only platform to offer price transparency for small business owners, which means that Truss is the only site to compare pricing on traditional office space and co-working space.Truss was established in 2016 and is based in Deerfield, Illinois. | $5.7M | Series A | Aug 23, 2017 |  |
| Kin Insurance | Kin Insurance is a direct-to-consumer digital insurer focusing on the homeowner's insurance market. Kin Insurance enhances homeowners insurance convenience and affordability by removing external agents. The tech platform offers a seamless user experience, personalized coverage options, and efficient claims service. Kin utilizes extensiveproperty data for precise pricing and improved underwriting results. | $3.3M | Seed | Aug 01, 2017 |  |

6 of 6 investments shown.

## Co-investors
- [2048 Ventures](https://shizune.co/investors/profile/2048-ventures) — VC Fund, 2 deals together
- [25madison](https://shizune.co/investors/profile/25madison) — VC Fund, 2 deals together
- [500 Global](https://shizune.co/investors/profile/500-startups) — VC Fund, 2 deals together
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund, 2 deals together
- [Commerce Ventures](https://shizune.co/investors/profile/commerce-ventures) — VC Fund, 2 deals together
- [HPA (Hyde Park Angels)](https://shizune.co/investors/profile/hyde-park-angels) — VC Fund, 2 deals together

## About Sandalphon Capital

VC Fund · Chicago, United States

Sandalphon Capital is a micro venture capital firm focused on early stage (Seed and Series A) investments.Industry focus: B2B SaaS, FinTech, Real Estate Tech / PropTech, Tech-Enabled Healthcare Services / Healthcare IT, IoT / Hardware with Recurring RevenueGeographic focus: Chicago, the Midwest, and other relativelyunderserved markets, NY (primarily for FinTech and Real Estate Tech), others opportunistically.We are focused on finding strong management teams and problem-solving, tech-enabled business models that will scale into high margin, recurring revenue businesses.

1 contacts available at Sandalphon Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Jonathan Ellis | Founder & Managing Director | https://shizune.co/investors/profile/jonathan-ellis-3 |

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### 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 Jonathan Ellis invest in?

Jonathan Ellis invests primarily in Rental, Leasing and Consumer startups, most often at Seed and Series A stage. Most of the 6 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Jonathan Ellis last invest?

The most recent investment recorded for Jonathan Ellis closed in May 2026. Shizune tracks 6 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### 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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