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OpenAI to acquire Trail of Bits for security focus

PRIVATEOct 14, 2026

Acquiring Company

OpenAI

Acquired Company

Trail Security

Artificial IntelligenceSoftwareArtificial Intelligence

Description

OpenAI is in early talks to acquire Trail of Bits, a firm that specializes in security for open-source software. The acquisition aims to enhance OpenAI's security capabilities and expand its business in this area. Although the size of the deal remains undisclosed, ongoing discussions indicate potential developments in the near future.

Company Information

Company

OpenAI

About

The latter will receive a multi-year, multi-billion-dollar investment from the company — the exact dollar amount wasn’t disclosed — that OpenAI says will be used to continue its independent research and “develop AI that is increasingly safe, useful and powerful.”OpenAI will remain a capped-profit company as a part of the deal.

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Frequently asked

Who acquired Trail Security?

Trail Security was acquired by OpenAI. The deal was reported on October 14, 2026. OpenAI is privately held and operates in Artificial Intelligence.

When did OpenAI acquire Trail Security?

OpenAI's acquisition of Trail Security was reported on October 14, 2026. OpenAI is in early talks to acquire Trail of Bits, a firm that specializes in security for open-source software. The acquisition aims to enhance OpenAI's security capabilities and expand its business in this area. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does Trail Security do?

Trail Security is a next-generation data loss prevention (DLP) company that has been backed with over $35 million of funding from leading VCs Lightspeed Ventures, CRV, and Cyberstarts. It is privately held, operating in Software.

This company was part of an acquisition. Fundz tracks who bought whom, and who to call on both sides.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.