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Third Security

Third Security

Radford, Virginiathirdsecurity.com

Overview

Third Security, LLC (“Third Security”) is a manager of a portfolio of operating biotechnology companies, as well as a family office . They work closely with their portfolio companies to help drive innovation, growth, and the use of biology to solve problems throughout the globe .

Year Founded

1999

AUM

$2.37B

Portfolio Companies

2

Investments

Third Security investments
CompanyDateStageLead
GreenVenusFeb 2020Buyout/LBOLead
Castle Creek BiosciencesMar 2017Series ACo-investor

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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Firmographic Details

HeadquartersRadford, Virginia
Year Founded1999
AUM$2.37B

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