Crosstown Management Group is a family office - single based in San Francisco, United States. Verified contact details, AUM data, and investment preferences on FindLPs.
Watchtower Management Group is a single-family office firm based in San Francisco, California. The firm invests for the benefit of charitable and other organizations associated with the Heising-Simons family, including the Heising-Simons Foundation. The assets of the firm are managed by the executive management team.
Investment types: Hedge Fund
Preferred geographies: Africa, Americas, Asia, Canada, Europe, Middle East, Oceania, United States
Location: One Market Street
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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 We do not publish personal residential information; firms or individuals may request removal at /contact.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.