No observed cheques. Organisations of this type rarely announce deals, so this says nothing about their activity.
From their own site: “Tuscan is a family office with a diversified portfolio of U.S.-based investments across venture capital & private equity, real estate, public equities & fixed income, energy infrastructure, and special situations.”
An announcement gives the size of the round, not the size of this investor's cheque. The only rounds that imply a cheque are those where they were the sole named investor.
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