Winthrop Square Capital is a private equity firm based in Boston, United States. Verified contact details, AUM data, and investment preferences on FindLPs.
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.
Investment types: Buyout, Special Situations, Venture (General)
Sectors & themes: Diversified
Preferred geographies: North America
Location: 131 Dartmouth Street 3rd Floor
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LP firm data compiled from public regulatory filings (SEC Form ADV, FCA, AIFMD disclosures), company websites and press releases, LinkedIn public profiles, and verified outbound email testing. AUM figures reflect self-reported values from filings and may lag by 1–2 fiscal quarters; bands are normalized in USD. We do not publish personal residential information; firms or individuals may request removal at /contact. Methodology & sources · Updated July 2026.