
Anthropic Surges Past OpenAI as Hottest Private Market Trade
Key Takeaways
- SpaceX IPO looming could drain billions in liquidity from AI startups.
- Anthropic dominates attention in private markets alongside OpenAI and SpaceX.
- Glen Anderson notes rising private-share activity and Rainmaker's role.
Anthropic Dominates Secondary Markets
Anthropic has overtaken OpenAI as the hottest trade in private secondary markets.
“The private securities market is experiencing unprecedented tension as Anthropic’s soaring demand collides with SpaceX’s impending public offering, creating a billion-dollar liquidity showdown that could reshape investment strategies for years to come”
Demand for Anthropic shares is almost insatiable with virtually no sellers.

Buyers indicated $2 billion of cash ready to deploy into Anthropic.
About $600 million in OpenAI shares trying to sell haven't found takers.
Anthropic's standoff with the Department of Defense amplified its differentiation.
OpenAI Faces Secondary Market Challenges
OpenAI shares are trading at a noticeable discount from the recent primary-round valuation.
Roughly $600 million in OpenAI shares available for sale have struggled to find buyers.

Secondary-market dynamics now tilt firmly in Anthropic's favor.
SpaceX IPO Could Drain AI Liquidity
SpaceX is planning an IPO that could debut one of the 10 most valuable companies.
“Glen Anderson has been brokering trades in private company shares since 2010, back when the number of institutional investors focused on the late-stage private market could be counted on two hands”
The $150 billion SpaceX IPO set for early 2026 likely means billions of dollars will flow out of private investing.
The interplay between Anthropic, OpenAI, and SpaceX could reshape strategies.
Anthropic's Governance and Capital Raise
Anthropic's governance includes three advisory boards separating safety, ethics, and accountability.
The company is in talks to raise more capital, possibly as large as $3 billion.

This approach highlights a deliberate strategy of economic and social responsibility.
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