Topspin Partners is a $213M venture capital and private equity firm based on Long Island.


Topspin is the successor fund to the Long Island Venture Fund, a successful venture capital fund which began investing in 1995.

The firm is an affiliate of Renaissance Technologies, a well-known hedge fund. We look to generate superior returns by partnering with management to build great companies.


Meet the team

Please click on the Partner's name below to learn more.

Leo Guthart
Steve Winick

Portfolio News

Our portfolio companies