Anthropic Backers: Billions on the Line Before the Bell Rings
Early and late-stage investors in the AI lab are sitting on multi-billion dollar paper gains even before the company’s anticipated public listing this year.
By Tunde Bailey ·

At the company’s most recent private valuation of $965 billion, the combined stakes of several key venture capital firms and individual backers already total billions of dollars. This substantial pre-IPO wealth is set to grow further, as analysts expect Anthropic to go public later this year at a valuation that could reach as much as $2 trillion. Such a listing would represent a significant windfall for those who entered the capitalization table at various stages of the startup’s explosive growth.
The numbers illustrate the sheer scale of the opportunities available to those who invested in the leading AI laboratory. For instance, Iconiq Capital wrote a $6 billion check to Anthropic last year when the company was valued at $183 billion. That late-stage investment has since appreciated to $17 billion. Meanwhile, Spark Capital, which is the only venture firm known to hold a board seat, invested $75 million during the 2023 Series C round when the valuation stood at $5 billion. That specific position has ballooned more than ninetyfold to a current value of $7 billion.
Other major institutional players have also secured substantial positions. Menlo Ventures, which led the Series D round, has invested over $1 billion in total, a stake now valued at $14 billion. Sequoia entered the picture later this year, contributing $3 billion when the company was already valued at $380 billion. This investment granted them approximately 1% ownership, effectively doubling their initial capital before the official listing. Sound Ventures, co-founded by Guy Oseary and actor Ashton Kutcher, invested $35 million in the 2023 Series C round and has since added another $400 million, resulting in a multi-billion dollar position. It is noted that Kutcher left the firm earlier this year to launch a new venture capital entity.
The windfall is not limited to institutional investors. Eric Schmidt, the former Google CEO, made his entry into Anthropic during the Series A round in 2021, when the startup’s valuation was just $461 million. According to PitchBook data, Schmidt now owns about 1% of the company. Even without the anticipated IPO boost, his stake is currently worth nearly $10 billion based on the latest private market figures.
These figures underscore the high stakes involved in the current AI market. For the investors listed, the path to a potential $2 trillion valuation represents the next major milestone. While the private market prices already reflect significant gains, the public listing is expected to provide a liquidity event that could further solidify these windfalls. The concentration of value in these early and mid-stage positions highlights the rapid appreciation of capital deployed in this sector over the past few years.
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