Posted: - Rebecca Bellan ## AI computing startup Lambda to raise $4B ahead of planned IPO Cloud provider Lambda is raising up to $4 billion at a $14.5 billion pre-money valuation, marking what could be its last private round before a planned 2027 IPO, according to The Wall Street Journal. Coatue Management and Blackstone are leading the round. A letter to investors reviewed by the Journal shows Lambda’s backlog grew from $15 billion in June to $50 billion in September. While that might look like a hearty increase in demand, much of that increase appears to be driven by a $35 billion…