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Two Frontier Bets Print This Month: Cerebras Goes Public, SpaceX "Project Apex" Lines Up

May 7, 2026 · AdValorem Research · Reading time: 8 min

For four years I have been telling LPs the same thing: the late-stage names you actually want — SpaceX, Cerebras, OpenAI, xAI, Neuralink, Perplexity — never come back to the secondary market at the price you think they will. You buy the round you can buy, you size with discipline, and you wait for the tape to tell the story.

This month, two of those positions hit the tape at the same time. This is the post I have been waiting to write.

Cerebras IPO
$115–$125
28M shares, Nasdaq: CBRS
Cerebras Valuation
$26.6B
Top of IPO range
SpaceX Target
$1.5T–$2T
Project Apex, 21 banks
SpaceX Tender
$421/share
December 2025, ~$800B

Cerebras — The IPO Is Here

Cerebras Systems filed its amended S-1/A on May 4, 2026, priced the deal at $115–$125 per Class A share, and applied to list on the Nasdaq Global Select Market under the ticker CBRS. The deal is 28 million shares plus a 4.2 million-share underwriter option — at the top of the range, that is $3.5 billion of fresh capital and a $26.6 billion fully-diluted valuation.

For perspective: Cerebras's most recent private round, closed in February 2026, marked the company at $23 billion. Independent analysts now have a base case of $41.7 billion / $192 per share — 54% above the high end of the IPO range — on $1.1 billion of 2026 revenue (up 118% YoY) and $2.3 billion of 2027 revenue (up 108% YoY).

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