Andreessen Horowitz remains under Justice Department antitrust scrutiny over whether board seats held by co-founder Ben Horowitz at Databricks and partner Martin Casado at Fivetran create an impermissible interlocking directorate between competing enterprise data and AI companies. The nearly year-long inquiry began around the same time regulators reviewed Fivetran's acquisition of dbt Labs, where Casado had also served as a director before the June deal closed, and it has continued even after that transaction was cleared without conditions. The DOJ has not decided whether to pursue enforcement and could still take no action. The case also tests whether the Clayton Act can reach a venture firm's representation through different partners rather than a single individual, an approach several courts have accepted. The investigation comes as a16z, which manages about $90 billion and recently raised a $15 billion fund, expands its influence in Washington; Databricks, one of its biggest bets, just raised $5 billion at a $190 billion valuation.