# Jonathan Wasserstrum

> Jonathan Wasserstrum is a seed investor at SquareFoot (New York) backing Real Estate and Software. See 37 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [SquareFoot](https://shizune.co/investors/profile/squarefoot)
- Location: New York, United States
- Total investments: 37
- Last investment: Jun 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/pub/jonathan-wasserstrum/3/753/8a7
- X (Twitter): http://twitter.com/jmwass
- Website: https://x.com/jmwass
- Facebook: https://www.facebook.com/jonathan.wasserstrum

Jonathan Wasserstrum is a seed investor at SquareFoot in New York focused on Real Estate and Software. Jonathan graduated from Columbia Business School in May 2012. Prior to business school, Jonathan worked in the International Capital Group at Jones Lang LaSalle where he advised foreign and domestic clients on more than $3 billion worth of transactions globally.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.1M–$8.4M |
| Pre-Seed | $227k–$1.5M |
| Series A | $4M–$18M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Real Estate | 13 | 35% |
| Software | 10 | 27% |
| FinTech | 8 | 22% |
| Property Management | 6 | 16% |
| Information Technology | 5 | 14% |

61 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 20 | 54% |
| Pre-Seed | 10 | 27% |
| Series A | 3 | 8% |
| Series B | 1 | 3% |
| Series D | 1 | 3% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 17 | 46% |
| Canada | 2 | 5% |
| Mexico | 2 | 5% |
| Colombia | 2 | 5% |
| Peru | 1 | 3% |

9 countries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Warp | Warp is a payroll and compliance tool that makes it easy for founders to hire, onboard, and pay their employees. | $18M | Series A | Jun 18, 2025 |  |
| BuyWander | BuyWander is a platform connecting consumers with returned products. The company appears to operate across various categories, including automotive, beauty & health, clothing, electronics, food & grocery, and home & kitchen. | $2M | Seed | Apr 30, 2025 |  |
| NewHomesMate | Propertymate helps homebuyers to find, compare and buy new constructions. We leverage data science to match buyers, agents and home builders based on the best potential close after analyzing millions of listings and individual buying patterns of hundreds of thousands of homebuyers. | $5.5M | Seed | Jun 14, 2023 |  |
| Jome | Find, compare, and buy your new construction home — all in one place | $5.5M | Seed | Jun 14, 2023 |  |
| Zamp | Zamp is the sales tax technology provider of solution that eliminates the need for you to manage the software. | $4M | Seed | May 10, 2023 |  |
| Zamp | Zamp is the sales tax technology provider of solution that eliminates the need for you to manage the software. | $4M | Series D | May 10, 2023 |  |
| WATS | WATS is a digital platform for business waste management to enable cost savings and emissions reductions through operational efficiency. | $1.4M | Pre-Seed | Apr 12, 2023 |  |
| Arrenda | Arrenda is a fintech startup that provides market-specific insurance and financial products to the real estate markets of Latin America. It also offers advance payments to landlords upfront to lower barriers to renting in the country. Arrenda was founded in 2021 and is based in Mexico City. | $1.5M | Pre-Seed | Jul 20, 2022 |  |
| Here | Here enables anyone anywhere to invest in vacation rentals online and earn passive income from the highest-yielding asset class in real estate — without ever lifting a finger. | $3.5M | Seed | Jul 13, 2022 |  |
| Around | The largest network of workspaces on flexible terms. We are a savvy team from Latin America providing fast-growing companies with on-demand access to flexible office space. Everywhere.We believe work at its best is always creative and collaborative, expressed with freedom, autonomy, and purpose; and the space surrounding us should help us achieveit, anywhere & everywhere.We are shaping the future of work today by improving workspaces and the rules around them, and helping innovative teams find their ideal space to make their best work every day — our first step on a journey to change the way we work and think about work.Our best work. Anywhere. Everywhere. We are Around. | $3.8M | Seed | Jun 22, 2022 |  |

10 of 37 investments shown.

## Co-investors
- [Pareto Holdings](https://shizune.co/investors/profile/pareto-holdings) — VC Fund, 6 deals together
- [Asymmetry Ventures](https://shizune.co/investors/profile/asymmetry-ventures) — VC Fund, 5 deals together
- [Gaingels](https://shizune.co/investors/profile/gaing) — VC Fund, 5 deals together
- [Unpopular Ventures](https://shizune.co/investors/profile/unpopular-ventures) — VC Fund, 4 deals together
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 4 deals together
- [Basecamp Fund](https://shizune.co/investors/profile/basecamp-fund) — VC Fund, 3 deals together

## About SquareFoot

VC Fund · New York, United States

SquareFoot serves companies that are looking for their next office and care deeply about finding the right next home. Growing companies require flexible lease options, a stress-free process, and transparency throughout the leasing journey. SquareFoot provides a seamless experience supported by easy-to-use technology and a highly responsive team ofreal estate professionals working to match specific client needs with a strong knowledge of what the market has to offer at any given moment.

5 contacts available at SquareFoot.

| Name | Title | Profile |
| --- | --- | --- |
| Eugenie Fanning | VP of People | https://shizune.co/investors/profile/eugenie-fanning |
| Jonathan Wasserstrum | Co-Founder & Chief Executive Officer | https://shizune.co/investors/profile/jonathan-wasserstrum |
| Josh Vickery | VP of Engineering | https://shizune.co/investors/profile/josh-vickery |
| Michael Colacino | President | https://shizune.co/investors/profile/michael-colacino |
| Nell Lanman | Head of Marketing | https://shizune.co/investors/profile/nell-lanman |

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## FAQ

### What does Jonathan Wasserstrum invest in?

Jonathan Wasserstrum invests primarily in Real Estate, Software and FinTech startups, most often at Seed and Pre-Seed stage. Most of the 37 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 Jonathan Wasserstrum's check size?

Jonathan Wasserstrum typically joins rounds of $1.1M–$8.4M at Seed, $227k–$1.5M at Pre-Seed and $4M–$18M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Jonathan Wasserstrum participates in.

### When did Jonathan Wasserstrum last invest?

The most recent investment recorded for Jonathan Wasserstrum closed in Jun 2025. Shizune tracks 37 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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