Geoff Swerdlin is Managing Partner and Chief Investment Officer of Casimir Holdings. See contact routes.
Geoff Swerdlin is Managing Partner and Chief Investment Officer of Casimir Holdings, a Miami-based family office he has helped build since 2020; the firm is tied to technology investor Jim Goetz, and Swerdlin previously founded Partes Capital and worked at Kingdon Capital, Longview Asset Management, Arience Capital, and Janus Capital.[1][2] Casimir says it invests across public equity, private equity, limited partnerships, real estate, and other asset classes, with a stated focus on category-defining opportunities across all industries and geographies.[1][9] Public sources do not disclose a specific check size or whether the firm usually leads or follows deals.[1][2] Named portfolio or investment activity is thin in public sources, but Casimir is publicly associated with broad public-equity investing rather than a clearly disclosed list of operating-company bets.[1][9] Available descriptions emphasize long-term, flexible capital and indefinite holding periods more than sector-specific concentration.[4][9] Swerdlin’s background is in public markets, where he says he has invested for more than 20 years.[1] Public writing or a distinct authored investment thesis is not clearly documen
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