Winthrop Square Capital

Venture capital adviser registered with the SEC (investment adviser), based in Boston, MA. Advises 3 venture funds. Latest adviser filing Feb 2026.

“Winthrop Square Capital is a Boston-based private equity firm founded by an accomplished team with over two decades of experience sourcing and investing in private partnerships and direct investments.” (from the firm’s website)

Stages

Pre-seed, Seed

Typical check (est.)

$450K–$1.35M

Latest fund

None on file

Last verified activity

Not in the last 12 months