Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
Scores, valuations, and signals for Neuralink, Spring Health, and 370+ companies. 5-min read every Tuesday.
Brain-computer interface company developing implantable chips (Telepathy device). Raised $650M Series E at $9B valuation (June 2025). CEO Elon Musk has no IPO plans — company is focused on FDA clinical trials, not public markets.
| Industry | Healthcare Technology |
| Stage | Series H |
| IPO Status | Private |
| Valuation | $35.0B |
| Total Funding | $5.0B |
| Headquarters | Austin, TX |
Spring Health is the precision mental health platform providing AI-matched mental health care to employees — connecting them to the right therapist, coach, or digital program based on their specific needs. Valued at $3.3B with $400M raised, Spring Health serves 10M+ employees at 450+ employers including General Motors, Warner Bros, and Microsoft. Major healthtech IPO candidate as mental health benefits become a $50B+ corporate priority in every Fortune 500 benefits package.
| Industry | Healthcare Technology |
| Stage | Series F |
| IPO Status | Pre-IPO |
| Valuation | $4.5B |
| Total Funding | $370M |
| Headquarters | New York, NY |
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Neuralink is valued at $35.0B. Spring Health is valued at $4.5B. Both figures are based on the most recent funding rounds tracked by TechStackIPO.
Neuralink is currently private. Spring Health is currently pre-IPO. Track both companies on TechStackIPO for S-1 filings, roadshow announcements, and IPO date updates.
Neuralink has raised $5.0B. Spring Health has raised $370M.
Neuralink operates in Healthcare Technology, while Spring Health operates in Healthcare Technology.
Neuralink is a Healthcare Technology company valued at $35.0B with $5.0B raised. Spring Health is a Healthcare Technology company valued at $4.5B with $370M raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor access options.
Accredited investors can access pre-IPO shares in Neuralink and Spring Health through secondary market platforms, pre-IPO funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace section tracks available access options for both companies. Pre-IPO investments carry higher risk and limited liquidity.