Company / Tangible Book Value per Share
PROTHENA CORP PUBLIC LTD CO Tangible Book Value per Share History
FY2016-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Tangible Book Value per Share
$5.21
FY2025
5-year range
$5.21 / $13.33
FY2021-FY2025
Trend
-42.6%
vs FY2024
Sector context
Sector data unavailable
Latest sector comparison
What the data says
Tangible Book Value per Share has declined for 3 consecutive years, from $13.33 in FY2022 to $5.21 in FY2025.
Based on SEC 10-K filings.
5.21 in FY2025 with a 5-year CAGR of +2.5%.
Declined from $10.77 to $5.21 over the past 2 years.
Tangible Book Value per Share over time
Growth rates
- 3-Year CAGR
- -26.9%
- 5-Year CAGR
- +2.5%
- 10-Year CAGR
- -
Key checks
Key Insights
- PROTHENA CORP PUBLIC LTD CO's tangible book value per share has declined for 3 consecutive years.
- In FY2025, tangible book value per share decreased 42.6% year-over-year.
- Peak tangible book value per share was recorded in FY2022.
- Lowest tangible book value per share in the period was in FY2020.
Company context
Key Data Points
- Low Piotroski F-Score: 2/9 (multiple financial health concerns)
- High earnings quality (cash-backed earnings)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Tangible Book Value per ShareValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | $5.21 | -42.6% |
| FY2024 | $9.07 | -15.8% |
| FY2023 | $10.77 | -19.2% |
| FY2022 | $13.33 | +14.2% |
| FY2021 | $11.67 | +153.1% |
| FY2020 | $4.61 | -32.6% |
| FY2019 | $6.85 | -18.4% |
| FY2018 | $8.39 | -28.4% |
| FY2017 | $11.72 | +1.8% |
| FY2016 | $11.51 | -12.6% |
As of FY2025 · SEC 10-K Annual Filings · Updated Jun 28, 2026