Anthropic takes first step toward IPO with confidential SEC filing of draft S-1

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Publication Date: June 4, 2026, 01:30:27

Anthropic Takes First Step Toward IPO With Confidential SEC Filing

By Caroline Ryan Wed, June 3, 2026, 6:30 PM PDT | 4 min read

• Ticker: ANTH.PVT

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Anthropic has confidentially filed a draft Form S-1 with the U.S. Securities and Exchange Commission (SEC), giving the artificial intelligence company the option to go public once the SEC completes its review.

The company stated that it has not yet determined the number of shares to be sold or the price range for a potential offering.

The disclosure was made under Rule 135 of the Securities Act of 1933. Anthropic noted that any offering activity would only occur through the registration process required under federal securities law.

Founded in 2021 by former OpenAI employees, Anthropic has quickly established itself as a key player in artificial intelligence, building tools that are reshaping how businesses approach areas such as coding and cybersecurity.

Recent Milestones

• Valuation Surge: Last month, Anthropic overtook OpenAI as the world’s most valuable startup after raising $65 billion in Series H funding, valuing the company at $965 billion. The round was led by Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital.
• Potential IPO Scale: If Anthropic goes public at a $1 trillion valuation, it would instantly rank among the most valuable companies globally and could become the second- or third-largest IPO in history, trailing only SpaceX and Saudi Aramco.
• Founder Wealth: CEO Dario Amodei's net worth has already reached $7 billion, according to Forbes. The company’s seven co-founders are now worth a combined $116 billion.

Product and Project Updates

• Latest AI Model: Anthropic’s newest model, Claude Opus 4.8, aims to deliver improved performance and new controls for customers and developers.
• Project Glasswing: The company is working on an AI-assisted security testing initiative called Project Glasswing, with more than 50 organizations collaborating. Anthropic released an update on the project last week.
• SpaceXAI Partnership: Anthropic recently announced a partnership with Elon Musk's SpaceXAI to use all compute capacity at SpaceX’s Colossus 1 data center in Memphis, Tennessee. The deal provides Anthropic with over 300 megawatts of additional capacity (more than 220,000 NVIDIA GPUs) to deploy within the month, increasing limits for Claude Code and the Claude API.

Key Hires

• Dlshad Othman: Last month, Anthropic hired former Amazon Web Services (AWS) threat intelligence specialist Dlshad Othman to join its safeguards group. Othman will focus on influence operations, surveillance, and cyber threat investigations.
• Andrej Karpathy: The company also brought on the co-founder of OpenAI and former director of AI and Autopilot Vision at Tesla, Andrej Karpathy. According to an Anthropic spokesperson, Karpathy is expected to create a new team focused on using Claude itself to speed up research on pre-training.

Photo: Shutterstock

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