Investments
93Portfolio Exits
11Funds
4Partners & Customers
1About Lightstone Ventures
Lightstone Ventures was founded in 2012 by the General Partners and other key members of the life science teams of Advanced Technology Ventures (ATV) and Morgenthaler. The firm was formed to capture the upside of investing in breakthrough life science companies during a time of unique opportunity in the space. Lightstone invests in early stage therapeutics, with later stage investments pursued selectively.
Expert Collections containing Lightstone Ventures
Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.
Find Lightstone Ventures in 1 Expert Collection, including Vitamin & Supplement Startups.
Vitamin & Supplement Startups
237 items
Latest Lightstone Ventures News
Oct 20, 2023
20 October, 2023 Singapore’s fledgling biotech ecosystem has large and very unique challenges to tackle but has come a long way since its early years, shared Christina Isacson, partner at US-based Lightstone Ventures. Subscribe now to enjoy unlimited access at just $52. Premium coverage on private equity, venture capital, and startups in Asia. Exclusive scoops from our reporters in nine key markets. In-depth interviews with industry leaders shaping the ecosystem.
Lightstone Ventures Investments
93 Investments
Lightstone Ventures has made 93 investments. Their latest investment was in Nimbus Therapeutics as part of their Series G on September 9, 2023.

Lightstone Ventures Investments Activity

Date | Round | Company | Amount | New? | Co-Investors | Sources |
---|---|---|---|---|---|---|
9/6/2023 | Series G | Nimbus Therapeutics | $210M | No | 2 | |
9/1/2023 | Series B | Tallac Therapeutics | No | |||
6/22/2023 | Series A | Tagworks Pharmaceuticals | $65M | Yes | 5 | |
5/25/2023 | Series A | |||||
4/19/2023 | Series G - II |
Date | 9/6/2023 | 9/1/2023 | 6/22/2023 | 5/25/2023 | 4/19/2023 |
---|---|---|---|---|---|
Round | Series G | Series B | Series A | Series A | Series G - II |
Company | Nimbus Therapeutics | Tallac Therapeutics | Tagworks Pharmaceuticals | ||
Amount | $210M | $65M | |||
New? | No | No | Yes | ||
Co-Investors | |||||
Sources | 2 | 5 |
Lightstone Ventures Portfolio Exits
11 Portfolio Exits
Lightstone Ventures has 11 portfolio exits. Their latest portfolio exit was Relievant Medsystems on September 19, 2023.
Date | Exit | Companies | Valuation Valuations are submitted by companies, mined from state filings or news, provided by VentureSource, or based on a comparables valuation model. | Acquirer | Sources |
---|---|---|---|---|---|
9/19/2023 | Acquired | 6 | |||
1/7/2022 | IPO | Public | 7 | ||
6/18/2021 | IPO | Public | 1 | ||
Date | 9/19/2023 | 1/7/2022 | 6/18/2021 | ||
---|---|---|---|---|---|
Exit | Acquired | IPO | IPO | ||
Companies | |||||
Valuation | |||||
Acquirer | Public | Public | |||
Sources | 6 | 7 | 1 |
Lightstone Ventures Fund History
4 Fund Histories
Lightstone Ventures has 4 funds, including Lightstone Ventures III.
Closing Date | Fund | Fund Type | Status | Amount | Sources |
---|---|---|---|---|---|
9/14/2021 | Lightstone Ventures III | $375M | 2 | ||
9/20/2017 | Lightstone Ventures II | ||||
1/26/2016 | Lightstone Singapore | ||||
5/1/2014 | Lightstone Ventures |
Closing Date | 9/14/2021 | 9/20/2017 | 1/26/2016 | 5/1/2014 |
---|---|---|---|---|
Fund | Lightstone Ventures III | Lightstone Ventures II | Lightstone Singapore | Lightstone Ventures |
Fund Type | ||||
Status | ||||
Amount | $375M | |||
Sources | 2 |
Lightstone Ventures Partners & Customers
1 Partners and customers
Lightstone Ventures has 1 strategic partners and customers. Lightstone Ventures recently partnered with Ireland Strategic Investment Fund on July 7, 2020.
Date | Type | Business Partner | Country | News Snippet | Sources |
---|---|---|---|---|---|
7/1/2020 | Partner | Ireland | State-backed ALX Oncology lines up a $100m IPO The Ireland Strategic Investment Fund has a minority interest in the company through its partnership with Lightstone Ventures . | 1 |
Date | 7/1/2020 |
---|---|
Type | Partner |
Business Partner | |
Country | Ireland |
News Snippet | State-backed ALX Oncology lines up a $100m IPO The Ireland Strategic Investment Fund has a minority interest in the company through its partnership with Lightstone Ventures . |
Sources | 1 |
Lightstone Ventures Team
5 Team Members
Lightstone Ventures has 5 team members, including current Managing General Partner, Michael A. Carusi.
Name | Work History | Title | Status |
---|---|---|---|
Michael A. Carusi | Managing General Partner | Current | |
Name | Michael A. Carusi | ||||
---|---|---|---|---|---|
Work History | |||||
Title | Managing General Partner | ||||
Status | Current |
Loading...