Prothena Corporation plc logo PRTA - Prothena Corporation plc

NEXT EARNINGS: May 14, 2026 EPS Est: $-0.39
Price: -- -- | CONSENSUS: Buy DETAILS
STRONG
BUY
0
BUY 20
HOLD 6
SELL 2
STRONG
SELL
0
| PRICE TARGET: $26.00 DETAILS
HIGH: $36.00
LOW: $19.00
MEDIAN: $20.00
CONSENSUS: $26.00
UPSIDE: 189.86%
Market Cap: 482.85M
Volume: 440,386
Avg Volume: 583,250
52 Week Range: 4.32-16.16
Sector: Healthcare
Industry: Biotechnology
Beta: -0.12
Last Dividend: $N/A
Exchange: NASDAQ
Country: IE
Employees: 163
IPO Date: 2012-12-18
EPS (TTM): -4.53
P/E Ratio: -2.11
Revenue (TTM): 9.68M
Total Assets: 326.80M
Total Debt: 13.86M
Cash & Equiv: 307.53M
Rev Growth (5Y): 62.6%
EPS Growth (5Y): N/A
FCF Growth (5Y): N/A
ROCE: -64.5%
Debt/Equity: 0.05

Earnings History

Date EPS Actual EPS Est EPS Surprise Rev Actual Rev Est Rev Surprise
2026-02-19 $-0.44 $-0.45 +2.2% $21000 $1.3M -98.4%
2025-11-06 $-0.67 $-0.60 -11.7% $2.4M $666670 +262.2%
2025-08-04 $-1.86 $-1.11 -67.6% $4.4M $6.6M -33.4%
2025-05-08 $-1.12 $-0.92 -21.7% $2.8M $15.3M -81.6%
2025-02-20 $-1.08 $-1.02 -5.9% $2.1M $7.5M -71.8%
2024-11-12 $-1.10 $-1.18 +6.8% $970000 $1.2M -21.1%
2024-08-08 $1.22 $-1.05 +216.2% $132.0M $10.7M +1130.3%
2024-05-08 $-1.34 $-1.21 -10.7% $50000 $1.8M -97.3%

Track Record

Statements >
Metric 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Revenue 9.68M 135.16M 91.37M 53.91M 200.58M 853,000 814,000 955,000 27.52M 1.05M 1.61M 50.85M
Net Income (244.09M) (122.31M) (147.03M) (116.95M) 66.97M (111.14M) (77.68M) (155.65M) (153.24M) (160.11M) (80.61M) (7.15M)
EPS -4.53 -2.27 -2.76 -2.47 1.51 -2.78 -1.95 -3.93 -4.07 -4.66 -2.66 -0.29
Total Assets 326.80M 547.11M 696.38M 758.03M 609.37M 332.98M 419.27M 498.80M 496.33M 459.98M 385.24M 304.12M
Total Debt 13.86M 10.84M 11.84M 6.47M 12.33M 17.84M 22.94M 51.55M 52.25M 51.32M 0 0
Cash & Equivalents 307.53M 471.39M 618.83M 710.41M 579.09M 295.38M 375.72M 427.66M 417.62M 386.92M 370.59M 293.58M
Operating Cash Flow N/A (150.05M) (133.91M) (108.82M) 92.61M (80.36M) (52.97M) (28.28M) (131.18M) (117.27M) (62.45M) (683,000)
Free Cash Flow N/A (150.35M) (136.72M) (109.28M) 92.03M (80.56M) (53.52M) (30.04M) (134.81M) (133.91M) (63.84M) (1.21M)
FCF per Share N/A -2.80 -2.57 -2.31 2.08 -2.02 -1.34 -0.76 -3.58 -3.90 -2.11 -0.05
Book Value 280.47M 486.93M 561.37M 622.04M 466.04M 184.01M 272.92M 323.00M 407.19M 365.40M 360.67M 289.89M
Cash & ST Investments 307.53M 471.39M 618.83M 710.41M 579.09M 295.38M 375.72M 427.66M 417.62M 386.92M 370.59M 293.58M
ROC Equity -0.87 -0.25 -0.26 -0.19 0.14 -0.60 -0.28 -0.48 -0.38 -0.44 -0.22 -0.02