Third Security

Third Security is a venture capital firm specializing in biotechnology investments, focusing on companies that develop innovative solutions in the life sciences sector. The firm operates as a family office, managing a portfolio of operating biotechnology companies and working closely with them to drive innovation and growth. Founded by R.J. Kirk, Third Security has a rich history in managing life-science focused venture capital funds and continues to support its portfolio companies with strategic assistance and business development.

The firm's investment strategy emphasizes providing capital access, strategic guidance, and business development support to its portfolio companies. This approach aims to foster the use of biology to solve global challenges and deliver breakthroughs to patients. Third Security's portfolio includes companies such as GreenVenus, Eleszto Genetika, OSF, and Oxitec, reflecting its commitment to advancing biotechnology solutions across various domains.

With over 20 years of experience, Third Security has established itself as a key player in the biotechnology venture capital landscape. Its patient approach and expanding global perspective enable the firm to identify and nurture companies that are poised to make significant impacts in the life sciences sector. By leveraging its expertise and resources, Third Security continues to contribute to the advancement of biotechnology and healthcare innovations worldwide.