Aegis investors include the following top-tier investment companies:

3i Technology Partners, L.P.	3i is a leading international venture capital company with US offices in Menlo Park, CA and Waltham, MA. Outside the US, 3i invests broadly in private equity and venture capital. In the US, 3i concentrates on investments in companies with the potential of becoming leaders in their markets.
Merck Capital Ventures, L.L.C.	Merck Capital Ventures, L.L.C. invests in private Internet and other emerging businesses focused in areas related to the commercialization, distribution and delivery of pharmaceuticals and related health care services. The parent company of Merck Capital Ventures, Merck & Co., is a leading research-driven pharmaceutical products and services company that discovers, develops, manufactures and markets a broad range of innovative products to improve human and animal health, directly and through its joint ventures.
Manulife Capital Coporation	Manulife Capital Corporation (MCC) is the Boston-based venture capital subsidiary of Manulife Financial Corporation, one of Canada's largest financial services companies. MCC focuses on funding and financial advisory services for the life sciences and technology sectors. The MCC Life Sciences Opportunity Fund is an early-stage life sciences venture fund managed by MCC.
S.R. One, Limited	Limited Founded in 1985 and regarded as the leading corporate life sciences venture fund, S.R. One provides both a window on healthcare breakthroughs and significant investment returns to its corporate parent, GlaxoSmithKline.
Future Capital AG	The main focus of Future Capital AG is equity capital investment in companies engaged in the life sciences and chemistry. Future Capital AG, founded in March 1999 at the initiative of the Hessen State Government and Aventis, is the largest bio-venture capital fund in which a German federal state is directly involved.
Lafayette Equity Fund, L.P.	Lafayette Equity, LLC serves as the General Partner of the Lafayette Equity Fund, L.P. The Lafayette Equity Fund, L.P., is a private equity fund whose primary objective is to provide capital to high-growth, entrepreneurial companies in the business-to-business (B2B) sector of the Internet industry.
Sandlot Capital, LLC	Sandlot Capital offers a broad range of solutions to private companies and to the private equity/venture community. Sandlot Capital, through the Sandlot Venture Fund I LLP, invests in early stage information technology companies, especially in technology that enables Internet or other network infrastructure. Sandlot Capital also invests in proprietary technology that helps established businesses improve performance or conquer new markets.
Viscardi Ventures GmbH	Viscardi Ventures GmBH is a private limited liability German investment company that focuses on the technology and health care sectors.
Riverside Management Group	Riverside Management Group (RMG) was founded in 1996 and has assembled an experienced team of investment professionals with significant investment, managerial and operational experience. By drawing on the diverse backgrounds and skills of its investment professionals and directors, RMG is able to offer its portfolio companies a broad range of contacts, advice, and opportunities. RMG currently manages three funds, Riverside Holdings I LLC (RH I), Riverside Holdings II, LP (RH II) and Riverside Holdings III, LP (RH III) (currently in formation). RH I concentrates on investment opportunities in the information technology, communications and business services sectors. RH II and RH III focus on middle to expansion stage technology companies, primarily in the information technology, communications and business services sectors.