# American Financial Group

> American Financial Group is a VC fund backing Software and Biopharma. See 4 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Cincinnati, United States
- Total investments: 4
- Last investment: Nov 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/american-financial-insurance/about/
- X (Twitter): https://twitter.com/gaigroup
- Website: http://www.afginc.com
- Facebook: https://www.facebook.com/greatamericaninsurancegroup

American Financial Group is a VC fund in Cincinnati focused on Software and Biopharma. American Financial Group, Inc., through its subsidiaries, provides property and casualty insurance products in the United States. The company operates through Property and Casualty Insurance, Annuity, Run-Off Long-Term Care and Life, and Other segments. It offers property and transportation insurance products, such as physical damage and liabilitycoverage for buses, trucks and recreational vehicles, inland and ocean marine, agricultural-related products, and other property coverages; specialty casualty insurance, including primarily excess and surplus, general liability, executive liability, professional liability, umbrella and excess liability, and specialty coverage in targeted markets and customized programs for small to mid-sized businesses; and specialty financial insurance products comprising risk management insurance programs for leasing and financing institutions, surety and fidelity products, and trade credit insurance. The company sells its property and casualty insurance products through independent insurance agents and brokers, as well as through employee agents. It also provides traditional fixed and fixed-indexed annuities to the retail, financial institutions, and education markets; and engages in the commercial real estate operations in Cincinnati, Whitefield, New Hampshire, Chesapeake Bay, Charleston, and Palm Beach. American Financial Group, Inc. was founded in 1872 and is headquartered in Cincinnati, Ohio.

## Contacts

5 contacts available for American Financial Group. Shizune tracks 5 team members at American Financial Group. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/american-financial-group?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 1 | 25% |
| Biopharma | 1 | 25% |
| Life Science | 1 | 25% |
| 3D Technology | 1 | 25% |
| Manufacturing | 1 | 25% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 25% |
| Series B | 1 | 25% |
| Post-IPO Equity | 1 | 25% |
| Venture - Series Unknown | 1 | 25% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Carl Henry Lindner III | Co-Chief Executive Officer / Co-President & Director | 1 | — |
| Brian Hertzman | Senior Vice President & Chief Financial Officer | 0 | — |
| Carl Lindner Jr | Founder | 0 | — |
| Michelle Gillis | Senior Vice President and Chief Administrative Officer | 0 | — |
| Stephen Craig Lindner | Co-Chief Executive Officer / Co-President & Director | 0 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Lomond Therapeutics | Lomond Therapeutics is a pharmaceutical firm that discovers and develops small molecule inhibitors that target escape variants in hematologic malignancies. | $44M | Venture - Series Unknown | Nov 04, 2024 |  |
| Lomond Therapeutics | Lomond Therapeutics is a pharmaceutical firm that discovers and develops small molecule inhibitors that target escape variants in hematologic malignancies. | $44M | Post-IPO Equity | Nov 04, 2024 |  |
| Hosta Labs | Hosta Labs automates the analysis of images and videos of interior structures for property insurance carriers to provide a full in-depth view of accurate replacement values and risks in the underwriting process and on raw material quantities and mitigation measures in the claim process.The company was founded in 2020 and operates in Cambridge,Massachusetts. | $11.5M | Series A | Oct 29, 2021 |  |
| Stirling Ultracold | Stirling Ultracold, a division of Global Cooling, Inc., is a developer and manufacturer of a new generation of environmentally friendly ultra-low temperature freezers which operate below -86°C. These freezers do not use dry ice, Peltier or conventional cascade refrigeration systems. Instead, the Stirling Ultracold product line operates onfree-piston Stirling engine technology. | $10M | Series B | Dec 31, 2018 |  |

4 of 4 investments shown.

## Co-investors
- [Deerfield Management](https://shizune.co/investors/profile/deerfield-management-4e45) — VC Fund, 2 deals together
- [Heights Capital Management](https://shizune.co/investors/profile/heights-capital-management) — VC Fund, 2 deals together
- [OrbiMed](https://shizune.co/investors/profile/orbimed-advisors) — VC Fund, 2 deals together
- [Torrey Pines Investment](https://shizune.co/investors/profile/torrey-pines-investment) — VC Fund, 2 deals together
- [Advantage Capital](https://shizune.co/investors/profile/advantage-capital-partners) — VC Fund, 1 deal together
- [Brick & Mortar Ventures](https://shizune.co/investors/profile/brick-mortar-vc) — 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
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does American Financial Group invest in?

American Financial Group invests primarily in Software, Biopharma and Life Science startups, most often at Series A and Series B stage. Most of the 4 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 American Financial Group?

Public channels for American Financial Group 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 American Financial Group?

The team at American Financial Group includes Carl Henry Lindner III (Co-Chief Executive Officer / Co-President & Director), Brian Hertzman (Senior Vice President & Chief Financial Officer) and Carl Lindner Jr (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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