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Andreessen Horowitz DOJ Probe Baffles VCs
The Justice Department has launched a probe into venture capital firm Andreessen Horowitz (a16z) over its partners holding board seats at competing AI and data companies, marking a rare antitrust enforcement action under the Clayton Act. The nearly year-long investigation focuses on a16z’s board positions at Databricks, a $190 billion data and AI infrastructure giant, and Fivetran, a data integration firm that merged with dbt Labs in June. Co-founder Ben Horowitz sits on Databricks’ board, while partner Martin Casado represents a16z on Fivetran’s board, creating a potential conflict as Databricks expands into AI data pipelines—Fivetran’s core business—via its Lakeflow product. The probe, first reported by Bloomberg, invokes Section 8 of the Clayton Act, a 112-year-old law barring individuals or entities from serving on boards of competing companies. While regulators have rarely targeted venture capital under this rule, the DOJ’s scrutiny has surprised several VCs, as a16z’s portfolio spans hundreds of startups, making overlaps inevitable. Industry insiders note that while funding direct rivals like Anthropic and OpenAI has become acceptable, board seats expose directors to sensitive strategic information, heightening conflict risks. A16z could mitigate the issue by erecting a "Chinese wall" between Horowitz and Casado to prevent information sharing, or a partner could step down from one board. If the DOJ forces a seat surrender, founders may devalue board commitments from top-tier VCs, reshaping venture capital dynamics. Andreessen Horowitz, Databricks, and the DOJ declined comment, while Fivetran has not responded. The industry is closely watching the probe’s outcome as a potential precedent for AI chip, data center, and enterprise software investments.