Cursor raises $2.3 billion at a $29.3 billion valuation

Cursor raises $2.3 billion at a $29.3 billion valuation. Nvidia and Google both joined the round. Cursor launched its own in-house mixture-of-experts model, rewrote the kernels directly, skipping high-level CUDA libraries and working directly in raw CUDA and PTX (link). They got up to four times faster than comparable models. For engineers, that’s not just a speed bump, it’s a different category of tool. Coding tasks that used to take minutes are now completed in under 30 seconds. According to Cursor, their own model is already the most-used on the platform, which means they’re not just riding on OpenAI or Anthropic anymore. They’re building the rails themselves. ...

November 16, 2025 · 2 min · 276 words · bjr

The Berkshire Hathaway letters

The Berkshire Hathaway Letters, written by Warren Buffett to shareholders, offer a refreshing perspective filled with specific facts, figures, and timeless business insights. Shareholder Letters

March 26, 2025 · 1 min · 25 words · bjr

VC startup ownership by valuation

According CARTA, the VC startup ownership by valuation.

March 25, 2025 · 1 min · 8 words · bjr