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Source document· February 19, 2026

Prothena Reports Fourth Quarter and Full Year 2025 Financial Results, and Provides Financial Guidance and Business Highlights

View original at finance.yahoo.com
Prothena Reports Fourth Quarter and Full Year 2025 Financial Results, and Provides Financial Guidance and Business Highlights Net cash used in operating and investing activities was $23.3 million and $163.7 million for the fourth quarter and full year of 2025, respectively; quarter-end cash and restricted cash position…
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  • PRX012 patients on 400 mg dose for 18 months reached mean centiloid level of ~16.0 CL with 9 of 12 achieving amyloid negativity, but robust plaque clearance was associated with non-competitive rates of ARIA-E

    80% confidence
  • Partnered programs have the potential to earn up to approximately $3 billion in future aggregate milestones in addition to potential future royalties

    80% confidence
  • Potential to earn up to $105 million in aggregate clinical milestone payments from strategic partners in 2026

    80% confidence
  • Prasinezumab has peak sales potential greater than $3.5 billion (unadjusted) and could be the first disease-modifying treatment for Parkinson's disease

    80% confidence
  • Full year 2026 net cash used in operating and investing activities expected to be $50 to $55 million

    80% confidence
  • Estimated full year 2026 net loss of $67 to $72 million, including estimated $24 million of non-cash share-based compensation expense

    80% confidence
  • Expect to share more data from preclinical programs later this year (2026)

    80% confidence
  • Expected to end 2026 with approximately $255 million in cash (midpoint)

    80% confidence
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Frontier AI Slowdown Call Splits Industry, Rattles Capex-Sensitive Markets
Anthropic's Dario Amodei publicly called for a coordinated global slowdown in frontier AI development, a stance Microsoft echoed with a 'humanist' AI code of conduct, but Nvidia and Meta's CEOs rejected any coordinated pause days later, exposing a widening rift between safety-focused and growth-focused AI leaders. The dispute landed amid growing financial scrutiny of AI infrastructure spending — a hyperscaler capex analysis, FTC warnings against antitrust waivers for AI firms, and an 8.6% single-day stock drop in GE Vernova tied directly to the slowdown remarks — signaling investors are newly nervous about whether the AI capex boom (including Alphabet's projected $701B revenue narrative) can be justified if the pace of development itself becomes contested.
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EPKINLY Regulatory-Clinical Success Cascade
High probability of expanded label indications, additional combination approvals, and competitive positioning strength in follicular lymphoma market. Predicts positive commercial uptake and potential accelerated review for related indications.
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Where sources disagree
Berkshire Hathaway
Both facts report Berkshire Hathaway's cash position on 2026-01-01 with identical observation timestamps, but claim vastly different values: 380 billion USD vs 400 USD. These cannot both be true for the same entity at the same point in time. The magnitude of the discrepancy (a factor of ~10^9) rules out rounding, unit conversion, or methodological differences.
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