Quick Answer
PROTHENA CORP PUBLIC LTD CO reported Research And Development Expense of $134.85 million for the year ending 2025.
- PROTHENA CORP PUBLIC LTD CO showed a decrease of -39.4% in Research And Development Expense from 2024 to 2025.
- This data is from PROTHENA CORP PUBLIC LTD CO's annual report (Form 10-K), filed with the SEC on February 27, 2026.
- XBRL data for this metric is available from 2011 to 2025 (15 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
- Over the full 15 years of available data (2011 to 2025), PROTHENA CORP PUBLIC LTD CO's Research And Development Expense has grown by 457.9%.
- Historical annual values: Fiscal year 2025: $134.85 million | Fiscal year 2024: $222.52 million | Fiscal year 2023: $220.57 million | Fiscal year 2022: $135.56 million | Fiscal year 2021: $82.28 million | Fiscal year 2020: $74.88 million | Fiscal year 2019: $50.84 million | Fiscal year 2018: $101.18 million | Fiscal year 2017: $134.55 million | Fiscal year 2016: $119.53 million | Fiscal year 2015: $58.44 million | Fiscal year 2014: $38.45 million | Fiscal year 2013: $26.05 million | Fiscal year 2012: $34.14 million | Fiscal year 2011: $24.17 million.
- Data sourced from SEC EDGAR public filings as of June 20, 2026.
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