The Fundrise Innovation Fund tumbled Thursday, with shares plunging by a third after Citron Research disclosed a short position in the newly public venture capital vehicle. The dramatic reversal erased recent gains for investors in the fund, which holds stakes in high-profile companies like Anthropic and SpaceX.

The sharp sell-off reflects growing skepticism about the fund's valuation and business model. Citron's short bet suggests concerns about the sustainability of returns from venture investments amid market volatility. Other publicly traded venture vehicles may face similar scrutiny as investors reassess risk profiles in the current economic environment.

Fundrise Innovation Fund represents a rare example of a venture capital fund going public, allowing retail investors access to stakes in private companies like Anthropic and SpaceX. The fund's strategy of maintaining positions in both established and emerging tech companies made it attractive to investors seeking exposure to high-growth sectors.

The 33% drop in Fundrise shares Thursday signals heightened market sensitivity to negative research on newly listed investment vehicles. Investors should expect increased volatility as Citron's research spreads and other firms may follow with similar assessments of venture capital funds' valuations.