Thrive Capital’s 2022 early-stage venture fund has reportedly grown sharply on paper. According to a Bloomberg report summarized by Techmeme, an investor letter said the $516 million fund was worth more than $3.7 billion as of the end of June, net of fees and other charges. The reported fund invested in OpenAI and SpaceX, two private companies that have become central to late-cycle venture returns in artificial intelligence and aerospace. The provided summary does not break out how much of the fund’s reported value came from either company, nor does it provide individual position sizes. The key point for investors is the scale of the reported mark-up: a $516 million early-stage vehicle being valued above $3.7 billion net of fees and charges. Because the figure comes from an investor letter, it should be read as a reported fund valuation rather than a realized cash return. The item is based on Bloomberg’s reporting by Natasha Mascarenhas, as carried by Techmeme. No other source in the cluster independently confirms the letter, the valuation, or the fund’s portfolio details. Who benefits: Thrive benefits reputationally if the reported marks hold, especially in fundraising conversations. Existing investors in the 2022 fund would be the direct beneficiaries of any eventual realized gains. Who's exposed: Investors relying on paper valuations remain exposed to private-market repricing and liquidity timing. The cluster does not provide enough detail to assess concentration risk inside the fund.