Blackstone warns on Anthropic IPO credit rating
The gist
Blackstone told investors Anthropic may not get an investment-grade rating right after its IPO.
A junk rating would narrow bond-market access and raise Anthropic's borrowing costs.
How it unfolded
- Jun 2026Kroll Bond Rating Agency (KBRA) gave Anthropic a BB+ rating, one notch below investment grade.
- Oct 26, 2026Anthropic published its S-1 registration statement and formally confirmed plans for a November listing.
- Oct 30, 2026Blackstone told investors Anthropic may not receive an investment-grade rating immediately after going public, reversing its previous guidance.