DOJ Probes Andreessen Horowitz Over Board Seats at Competing AI Companies Databricks and Fivetran

DOJ Investigation Targets Andreessen Horowitz Board Seats

The Department of Justice is investigating Andreessen Horowitz over concerns that the venture capital firm's partners may be improperly sitting on the boards of competing AI companies, according to Bloomberg.1

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The nearly year-old DOJ probe centers on whether Ben Horowitz, who sits on the Databricks board, and partner Martin Casado, who serves on Fivetran's board, violate Section 8 of the Clayton Act.3

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Both companies provide tools that help businesses collect, organize and analyze large volumes of data, placing them in direct competition.2

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The investigation marks a continuation of Biden-era enforcement against interlocking directorates, though it began under the Trump administration despite the firm's close ties to the White House.

Clayton Antitrust Act and Interlocking Directorate Laws

The DOJ investigation invokes Section 8 of the Clayton Act, a 1914 statute that prohibits the same person from serving as a director or officer of two competing corporations where an agreement between them would breach antitrust law.3

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Congress passed this provision to prevent potential anticompetitive coordination and information-sharing between rivals.5

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Before the Biden administration, the department rarely invoked this 1914 provision against conflicts of interest.3

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Under then Assistant Attorney General Jonathan Kanter, the DOJ forced directors to resign from more than a dozen boards between 2021 and 2023 to resolve such concerns.4

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These investigations typically end one way: a director gives up one of the two board seats.3

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The Databricks and Fivetran Connection

The regulatory scrutiny focuses specifically on Databricks and Fivetran, both backed by the venture capital firm.2

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Databricks, valued at $190 billion following a $5 billion funding round, stands as one of the most valuable privately held technology companies in the world.4

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Ben Horowitz has led investments in Databricks dating back to a $14 million fundraising in 2013, positioning him to realize billions of dollars in potential returns.4

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Martin Casado also held a board seat at dbt Labs, which Fivetran acquired in June after the Justice Department conducted a months-long review of the deal before clearing it unconditionally.4

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The department opened the board investigation at around the same time as that merger review and continued the inquiry after the acquisition closed.3

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Unprecedented Firm-Level Antitrust Violations Question

What separates this case from earlier enforcement actions is that more than one individual director is involved, placing the firm itself at the center of potential antitrust violations rather than a single person.3

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While the statute covers entities as well as people, and a handful of courts have read it that way, the point is not fully settled.3

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This ambiguity could give the firm room to contest any allegation the government brings.4

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The Justice Department has not made any final decisions on how to proceed with the investigation, which could end with no action, according to people familiar with the matter.4

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Trump Administration Connections Raise Questions

The investigation is particularly noteworthy given Andreessen Horowitz's close alignment with the second Trump administration.4

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Ben Horowitz and co-founder Marc Andreessen each gave millions of dollars in 2024 to a group supporting Trump's candidacy, with the firm and its co-founders contributing $115.5 million ahead of the November midterms, the largest of any donor.3

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The firm, which is also an investor in OpenAI, and its co-founders have given a combined $12 million since Trump's second inauguration to MAGA Inc., a political committee aligned with the president.2

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Marc Andreessen has taken government advisory roles, with War Secretary Pete Hegseth appointing him to the Pentagon's Defense Policy Board in June and the Federal Reserve enlisting him to advise on AI policy.3

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The firm has been a key voice on AI policy, successfully pushing the administration to remove many safety guardrails on the use of the technology.4

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Impact on the Broader AI Sector and VC Industry

Venture capitalists told TechCrunch they were baffled by the DOJ probe, noting that VC conflicts of interest around board seats are not typically enforced very closely.1

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Startups evolve, particularly during the AI boom, and companies often pivot into competing spaces after initial investments.1

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By targeting Andreessen Horowitz, the DOJ might be setting an example that smaller firms would follow, potentially reshaping how venture capital firms manage board seats across their portfolios.1

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As of January, Andreessen Horowitz had $90 billion in assets under management, making it one of the richest venture capital firms in the world.4

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The firm recently raised a $15 billion fund, its largest haul ever, to invest across the startup ecosystem, raising more than 18% of all venture capital dollars allocated to the U.S. in 2025.5

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Watch for whether other venture capital firms with competing AI companies in their portfolios face similar regulatory scrutiny, and whether this investigation prompts changes in how board seats are allocated across the AI sector.