# Seth Weinstein

> Seth Weinstein is a seed investor in Weston backing FinTech and Financial Services. See 25 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Weston, United States
- Total investments: 25
- Last investment: Jan 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/seth-weinstein-461940159/

Seth Weinstein is a Managing Member at ZAX LLC.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $120k–$4M |
| Pre-Seed | $120k–$2M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| FinTech | 11 | 44% |
| Financial Services | 11 | 44% |
| Software | 6 | 24% |
| Finance | 5 | 20% |
| Payments | 4 | 16% |

41 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 20 | 80% |
| Pre-Seed | 3 | 12% |
| Series A | 1 | 4% |
| Series C | 1 | 4% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 18 | 72% |
| India | 3 | 12% |
| Canada | 1 | 4% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Pier | Pier's mission is to create tools for the next generation of innovators to improve credit access. They are developing an API to help us launch credit products. With just a few lines of code, they enable any company to offer credit by handling origination, underwriting, compliance, and servicing. | $2.4M | Seed | Jan 11, 2024 |  |
| AiPrise | AiPrise provides a compliance platform and API integration for verifying businesses and individuals across many countries to mitigate risk and prevent fraud. The platform includes solutions for Know Your Business (KYB), Know Your Customer (KYC), and ongoing fraud monitoring with customizable rule engines. AiPrise also offers a Compliance Co-pilot,an AI-assisted tool for case review, document analysis, and Enhanced Due Diligence report generation. | $2M | Seed | Sep 01, 2022 |  |
| OpenSea | OpenSea is a peer-to-peer marketplace for crypto collectibles and non-fungible tokens. It includes collectibles, gaming items, and other virtual goods backed by a blockchain. On OpenSea, anyone can buy or sell these items through a smart contract. | $300M | Series C | Jan 05, 2022 |  |
| Hudson Labs | Bedrock AI is software that extracts hard-to-find information in a public company filing like annual reports. | $1M | Seed | Sep 01, 2021 |  |
| Moonshot Brands | Moonshot Brands acquires, operates, and grows profitable e-commerce businesses. |  | Seed | Mar 22, 2021 |  |
| Pry Financials | Pry is a financial planning platform that is the first real alternative to spreadsheets for small businesses. Use Pry to connect your financial stack for a real-time budget vs actuals, manage your hiring plan, and model scenarios in a powerful visual environment. |  | Seed | Mar 22, 2021 |  |
| Bimaplan | Bimaplan operates as an insurance platform. They claims to work with insurers to create over-the-counter, low-premium insurance products relevant to the needs of low- and middle-income populations. | $500K | Seed | Mar 16, 2021 |  |
| Atomic | Atomic is a provider of personalized investment management services that lets companies embed investment accounts into their services. It allows companies to offer their end-users a disciplined way to invest with them. Atomic was founded in 2020 by David Dindi in San Francisco, CA. |  | Seed | Oct 09, 2020 |  |
| TRM Labs | TRM Labs is a blockchain intelligence company that helps financial institutions, crypto businesses, and government agencies detect and investigate crypto-related financial crime and fraud. Our products are trusted by leading companies including PayPal, Visa, FTX, Uniswap, Anchorage, and federal agencies such as the FBI and IRS. Every day, we tacklechallenges in data engineering, data science, and threat intelligence to advance our mission to build a safer financial system for billions of people. To accomplish our mission, we have raised over $79M from JPMorgan Chase, Visa, Citi, PayPal, Block, Tiger Global, and Bessemer. Our team is made up of world class experts from the FBI, U.S. Secret Service, US Treasury Department, McKinsey, Coinbase, and top-tier tech companies. TRM is a remote-first workplace, with hubs in San Francisco, Washington, DC, and London. | $4.2M | Seed | Nov 19, 2019 |  |
| Cashfree Payments | Cashfree is a payments and banking technology company that enables businesses in India to collect payments online and make payouts. Cashfree enables more than 50000 businesses with payment collections, vendor payouts, wage payouts, instant loan disbursements. Cashfree customers include leading internet companies such as Cred, BigBasket, Zomato,HDFC Ergo, Ixigo, Acko, Zoomcar, and Delhivery among others.Cashfree was founded in 2015 by Akash Sinha and Reeju Datta, based in Bengaluru, India. | $5.5M | Series A | Apr 09, 2019 |  |

10 of 25 investments shown.

## Co-investors
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 12 deals together
- [Capricorn Partners](https://shizune.co/investors/profile/capricorn-partners) — VC Fund, 2 deals together
- [FundersClub](https://shizune.co/investors/profile/fundersclub) — VC Fund, 2 deals together
- [Liquid 2 Ventures](https://shizune.co/investors/profile/liquid2-ventures) — VC Fund, 2 deals together
- [SGH CAPITAL](https://shizune.co/investors/profile/sgh-capital) — VC Fund, 2 deals together
- [Titan Capital](https://shizune.co/investors/profile/titan-capital) — VC Fund, 2 deals together

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## FAQ

### What does Seth Weinstein invest in?

Seth Weinstein invests primarily in FinTech, Financial Services and Software startups, most often at Seed and Pre-Seed stage. Most of the 25 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 Seth Weinstein's check size?

Seth Weinstein typically joins rounds of $120k–$4M at Seed and $120k–$2M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Seth Weinstein participates in.

### When did Seth Weinstein last invest?

The most recent investment recorded for Seth Weinstein closed in Jan 2024. Shizune tracks 25 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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