PRTA
Prothena Corporation plc
NASDAQ: PRTA · HEALTHCARE · BIOTECHNOLOGY
$10.87
-5.56% today
Updated 2026-04-29
Market cap
$619.62M
P/E ratio
—
P/S ratio
63.98x
EPS (TTM)
$-4.53
Dividend yield
—
52W range
$4 – $12
Volume
0.5M
Prothena Corporation plc (PRTA) Financial statements
SEC filings — annual and quarterly data.
Income statement — annual
| Item | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $1.24M | $507000.00 | $2.66M | $676000.00 | $50.85M | $1.61M | $1.05M | $27.52M | $955000.00 | $814000.00 | $853000.00 | $200.58M | $53.91M | $91.37M | $135.16M | $9.68M |
| Revenue growth (YoY) | — | -59.2% | +424.3% | -74.6% | +7422.8% | -96.8% | -34.3% | +2508.4% | -96.5% | -14.8% | +4.8% | +23414.3% | -73.1% | +69.5% | +47.9% | -92.8% |
| Cost of revenue | $13.20M | $29.40M | $43.60M | $40.44M | $56.76M | $58.44M | $119.53M | $134.55M | $101.18M | $50.84M | $74.88M | $82.28M | $6.74M | $220.57M | $3.58M | $3.70M |
| Gross profit | $1.24M | $507000.00 | $2.66M | $676000.00 | $50.85M | $1.61M | $1.05M | $27.52M | $-100.23M | $-50.02M | $853000.00 | $200.58M | $53.91M | $91.37M | $135.16M | $5.98M |
| Gross margin | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | -10495.1% | -6145.2% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 61.8% |
| R&D | $9.79M | $24.17M | $34.14M | $26.05M | $38.45M | $58.44M | $119.53M | $134.55M | $101.18M | $50.84M | $74.88M | $82.28M | $135.56M | $220.57M | $222.52M | $134.85M |
| SG&A | $3.62M | $5.58M | $9.93M | $15.05M | $19.05M | $23.11M | $41.06M | $48.23M | $42.48M | $35.74M | $38.70M | $46.32M | $49.90M | $61.84M | $67.20M | $59.39M |
| Operating income | $-12.16M | $-29.24M | $-41.41M | $-40.43M | $-6.65M | $-79.94M | $-159.53M | $-155.25M | $-158.85M | $-85.70M | $-112.73M | $71.97M | $-131.56M | $-191.04M | $-154.56M | $-184.56M |
| Operating margin | -978.4% | -5768.0% | -1557.9% | -5980.3% | -13.1% | -4974.3% | -15121.8% | -564.2% | -16634.0% | -10527.9% | -13216.2% | 35.9% | -244.1% | -209.1% | -114.4% | -1905.8% |
| EBITDA | $-11.97M | $-28.85M | $-40.94M | $-39.77M | $-5.91M | $-79.13M | $-157.11M | $-152.19M | $-152.90M | $-84.19M | $-105.76M | $78.78M | $-130.81M | $-190.11M | $-153.67M | $-197.13M |
| EBITDA margin | -963.1% | -5690.9% | -1540.3% | -5882.7% | -11.6% | -4924.1% | -14891.8% | -553.0% | -16010.4% | -10343.2% | -12398.2% | 39.3% | -242.7% | -208.1% | -113.7% | -2035.6% |
| EBIT | $-12.16M | $-29.24M | $-41.41M | $-40.43M | $-6.65M | $-79.94M | $-159.53M | $-155.25M | $-156.12M | $-85.76M | $-112.73M | $71.97M | $-131.56M | $-191.04M | $-154.56M | $-200.83M |
| Interest expense | $0.00 | $0.00 | $0.00 | $154000.00 | $0.00 | $0.00 | $863000.00 | $3.69M | $3.70M | $8.20M | $8.28M | $6.75M | $6.70M | — | — | — |
| Income tax | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Effective tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Net income | $-12.48M | $-29.67M | $-41.41M | $-41.00M | $-7.15M | $-80.61M | $-160.11M | $-153.24M | $-155.65M | $-77.68M | $-111.14M | $66.97M | $-116.95M | $-147.03M | $-122.31M | $-244.09M |
| Net income growth (YoY) | — | -137.7% | -39.6% | +1.0% | +82.6% | -1027.4% | -98.6% | +4.3% | -1.6% | +50.1% | -43.1% | +160.3% | -274.6% | -25.7% | +16.8% | -99.6% |
| Profit margin | -1004.2% | -5852.1% | -1558.0% | -6064.5% | -14.1% | -5016.3% | -15176.1% | -556.8% | -16297.9% | -9542.6% | -13029.8% | 33.4% | -217.0% | -160.9% | -90.5% | -2520.6% |