Segmara publishes indicative pre-IPO reference marks for named private companies like OpenAI, Anthropic and Neuralink, and lets you follow any name free by email. Review-first. Not a public brokerage. 

Segmara
Pre-IPO & Private Company Shares | Segmara
Segmara lists named pre-IPO companies with indicative pricing for account-based access inquiries. Not an offer, allocation promise, or investment a...