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Third Security, LLC ("Third Security") is a venture capital firm characterized by an expanding global perspective and a distinctively patient approach. On behalf of our Affiliated Investment Funds, Third Security evaluates opportunities in a wide range of industries, but principally focuses on emerging through late-stage investments in life-sciences and communications technology. We strive to unlock value through active management of selective investments in companies that we consider to be strategically positioned to lead their respective fields.

Third Security, LLC Questions

The Third Security, LLC annual revenue was $15.4 million in 2026.

Julian Kirk is the CEO of Third Security, LLC.

13 people are employed at Third Security, LLC.

Third Security, LLC is based in Radford, Virginia.

The NAICS codes for Third Security, LLC are [56, 561].

The SIC codes for Third Security, LLC are [738, 73].

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