AI programming startup Cursor faces hurdles in its multi-billion dollar funding round as its $50 billion valuation deters major late-stage investors including Iconiq. The cooling interest stems from a market shift where large capital has already aligned with giants like OpenAI and Anthropic whose Claude Code shows strong growth squeezing standalone tools. Investor sentiment is turning defensive doubting Cursors ability to compete in a consolidating market favoring platform players with foundational models