Why one VC firm is mentioned more than 50 times in Anthropic's S-1

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Spark Capital's Yasmin Razavi has a reputation for refusing to make gut calls. Her methodical decision to invest in Anthropic is now set to generate one of the biggest fortunes in Silicon Valley history, as Anthropic prepares to IPO.

Many venture firms, including Lightspeed and Menlo Ventures, are major Anthropic investors, but Spark is the only traditional VC firm named in the filing. And it's not just a few mentions. Spark is named more than 50 times.

The reason Spark gets the most ink is because Yasmin Razavi has a board seat after being the first institutional investor in the company, leading the $450 million Series C at a $4.5 billion valuation in May 2023.

This was just six months after ChatGPT was released to the public, and the jury was out on whether a rival like Anthropic could catch up.…