SOSV is the most active deep tech venture capital firm globally, investing at pre-seed (or at startup inception) supporting visionary founders intent on making a profound impact on human and planetary health. SOSV has three deeply resourced locations for founders in San Francisco (SOSV SF), New York (SOSV NY), and Newark (SOSV HAX). Each year, SOSV makes roughly 60 pre-seed investments of up to $550K each, as well as another 150 follow-on investments in deep tech companies. The pre-seed founders spend 4–6 months working side-by-side with SOSV General Partners and the broader team of experts in science and engineering, design and product development, supply chain and product-market fit. Additionally, founders gain access to each location’s office space and equipped lab space.
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The SOSV annual revenue was $62.3 million in 2026.
Stephen Chambers is the Managing Director and General Partner at SOSV NY of SOSV.
88 people are employed at SOSV.
SOSV is based in Princeton, New Jersey.
The NAICS codes for SOSV are [52, 523].
The SIC codes for SOSV are [6799, 679, 67].