# David Topper

> David Topper is a seed investor at ImageneBio (New York) backing FinTech and Medical. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [ImageneBio](https://shizune.co/investors/profile/inmagene-biopharmaceuticals)
- Location: New York, United States
- Total investments: 3
- Last investment: Sep 2021
- Lead investor: 67%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/pub/david-topper/43/42a/823

David Topper is a seed investor at ImageneBio in New York focused on FinTech and Medical. David Topper is the current Chief Financial Officer of Inmagene Biopharmaceuticals. He previously worked at General Atlantic as a Partner. David Topper attended Stanford University.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| FinTech | 1 | 33% |
| Medical | 1 | 33% |
| Analytics | 1 | 33% |
| Health Care | 1 | 33% |
| Web Hosting | 1 | 33% |

10 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 33% |
| Funding Round | 1 | 33% |
| Post-IPO Equity | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Alpine Immune Sciences | Alpine Immune Sciences is an immunotherapy startup focused on developing recombinant, protein-based therapeutic solutions. It was founded on January 23, 2015, and is based in Seattle, Washington. | $91M | Post-IPO Equity | Sep 15, 2021 |  |
| CircleUp | CircleUp is an investment platform that provides capital and resources to innovative, early-stage consumer brands with a modern, scalable approach to private markets. CircleUp is comprised of internally-managed equity funds, a credit program, and an Insights and Connections team - all powered by Helio, CircleUp's proprietary machine learningplatform. Helio collects and analyzes billions of data points to evaluates 1.3 million consumer businesses and predict future business success. | $1.5M | Seed | Apr 18, 2012 |  |
| QTS Realty Trust | QTS Realty Trust operates as a technology infrastructure company that provides data center facilities and managed services. The company's managed facilities provide colocation, and monitoring and systems management services. Its managed services include managed storage/tape backup, security, disaster recovery, professional services, loadbalancing, application and database management, and monitoring and service management; and media services include media and streaming, media encoding and transcoding, event production, signal acquisition, creative services, and digital media library services. The company has strategic partnerships with IBM, Internap, Cisco Powered Network, Microsoft Gold Partner, EMC, Veritas, StorageTek (Sun), and Network Appliance. Quality Technology Services, Inc. was formerly known as e^deltacom. The company was incorporated in 2000 and is based in Suwanee, Georgia. It has facilities in Overland Park, Kansas; Atlanta, Georgia; Jersey City and Fairfield, New Jersey; Manhattan, New York; Santa Clara, California; Miami, Florida; Lenexa, Topeka, and Wichita, Kansas; and Indianapolis, Indiana. As of September 1, 2005, Quality Technology Services, Inc. operates as a subsidiary of Quality Group of Companies, Inc. | $25M |  |  |  |

3 of 3 investments shown.

## Co-investors
- [Avidity Partners](https://shizune.co/investors/profile/avidity-partners) — VC Fund, 1 deal together
- [Biotechnology Value Fund](https://shizune.co/investors/profile/biotechnology-value-fund) — VC Fund, 1 deal together
- [Biotechnology Value Fund](https://shizune.co/investors/profile/bvf-partners) — VC Fund, 1 deal together
- [Biotechnology Value Fund](https://shizune.co/investors/profile/bvf-partners-3e10) — VC Fund, 1 deal together
- [Decheng Capital](https://shizune.co/investors/profile/decheng-capital) — VC Fund, 1 deal together
- [Logos Capital](https://shizune.co/investors/profile/logos-capital) — VC Fund, 1 deal together

## About ImageneBio

VC Fund · Pudong, China

It is a leading biotech company focused on immunology-related therapeutic areas.

3 contacts available at ImageneBio.

| Name | Title | Profile |
| --- | --- | --- |
| David Topper | Chief Financial Officer | https://shizune.co/investors/profile/david-topper-2 |
| Jean-Louis Saillot | Chief Development Officer | https://shizune.co/investors/profile/jean-louis-saillot |
| Jonathan Wang | Chief Executive Officer & Founder & Chairman | https://shizune.co/investors/profile/jonathan-wang |

## 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 David Topper invest in?

David Topper invests primarily in FinTech, Medical and Analytics startups, most often at Seed and Funding Round stage. Most of the 3 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 David Topper last invest?

The most recent investment recorded for David Topper closed in Sep 2021. Shizune tracks 3 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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