# DOJ Probes a16z Over Databricks, Fivetran Board Seats Under 1914 Law By Alex Index · 2026-08-25 · Licensing & Legal · https://datacommenter.com/doj-probes-a16z-over-databricks-fivetran-board-seats-under-1914-law/ About the author: Cross-beat data-industry correspondent. Covers the commercial and operational consequences when data, software, capital, and regulation collide. > Bloomberg reported August 17, 2026 that the Justice Department has spent nearly a year examining whether Andreessen Horowitz partners Ben Horowitz (Databricks) and Martin Casado (Fivetran) violate the Clayton Act's… Original reporting: [TechCrunch Startups](https://techcrunch.com/video/why-is-the-doj-investigating-andreessen-horowitzs-board-seats/) _AI-assisted commentary, editorially reviewed. Quoted excerpts belong to the original outlet._ Why is the DOJ looking at a16z’s board seats? Because Section 8 of the Clayton Act, an antitrust provision dating to 1914, bars the same person from sitting on the boards of companies that compete, and Databricks and Fivetran — both a16z-backed, both selling data-infrastructure tools that businesses use to feed AI systems — have grown close enough in the market to trip that wire. Ben Horowitz sits on Databricks’ board; Martin Casado, an a16z general partner, sits on Fivetran’s. The investigation has run for roughly a year, according to Bloomberg’s reporting cited by TechCrunch on August 21, 2026 and corroborated by PYMNTS and finance.biggo.com, and it survived a separate, months-long DOJ review that cleared Fivetran’s acquisition of dbt Labs — a deal that closed in June 2026 without conditions. The answer holds up against the evidence, but the interesting question is why regulators bothered reviving a dormant statute for a VC fund rather than an operating company. The DOJ has form here: under former antitrust chief Jonathan Kanter, enforcement pushed 13 directors off 10 boards between 2022 and 2023, according to Startup Fortune’s account of Kanter’s own description of the campaign as the broadest Section 8 enforcement in the law’s history. What’s novel about the a16z case, per finance.biggo.com’s reporting, is that regulators are testing whether the statute reaches a firm represented by two different partners on two different boards — a structure Section 8’s drafters never anticipated and one a16z could challenge in court if the DOJ moves to actual allegations. > A DOJ theory that punishes a fund for its partners’ collective board footprint, not just one director’s dual seat, would force every mega-fund with an AI-adjacent portfolio to redraw its governance map. The scale here is what makes the case more than a compliance footnote. Andreessen Horowitz manages roughly $90 billion in assets and just closed its largest-ever fund at $15 billion, according to finance.biggo.com. Databricks last week raised $5 billion at a $190 billion valuation — a figure that makes any Clayton Act financial threshold (the FTC set 2026’s bar at $54.4 million in capital and a $5.44 million competitive-sales exception, per Startup Fortune) trivially easy to clear. Fivetran, valued at $5.6 billion as of 2021, is the smaller partner in the collision, but its dbt Labs acquisition is exactly the kind of product-line expansion that turns a once-comfortable board arrangement into a live conflict. There’s a political subplot worth flagging: a16z co-founders donated millions to both Trump- and Harris-aligned groups in 2024, and Marc Andreessen was appointed in July 2026 to co-lead a Federal Reserve AI task force, according to PYMNTS and finance.biggo.com. A firm with that much access to the current administration facing an antitrust probe from that same administration’s Justice Department is the kind of tension regulators and reporters alike will keep testing. What would change this read: a settlement requiring one partner to resign a board seat would confirm the DOJ is treating this as routine Section 8 cleanup; a decision to press a broader theory — or to quietly close the file, as it has done with other interlocking-directorate inquiries — would tell the venture industry whether the multi-partner board sprawl model needs a rewrite. > Andreessen Horowitz has two partners sitting on the boards of companies that now compete with each other: Ben Horowitz at Databricks and Martin Casado at Fivetran. Nothing too scandalous on the surface, except the Department of Justice has reportedly been investigating the arrangement for almost a year, dusting off a 112-year-old antitrust law that's rarely used against VCs. > — [TechCrunch Startups](https://techcrunch.com/video/why-is-the-doj-investigating-andreessen-horowitzs-board-seats/) [Read the full story at TechCrunch Startups →](https://techcrunch.com/video/why-is-the-doj-investigating-andreessen-horowitzs-board-seats/) --- Cite this analysis: https://datacommenter.com/doj-probes-a16z-over-databricks-fivetran-board-seats-under-1914-law/ Cite primary facts: https://techcrunch.com/video/why-is-the-doj-investigating-andreessen-horowitzs-board-seats/ Need the underlying datasets (alt data, market data, AI training data)? 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