PROTHENA CORP PLC (PRTA) Earnings History & Surprises
NASDAQ:PRTA • IE00B91XRN20
9.21 USD
-0.1 (-1.07%)
At close: Mar 13, 2026
9.21 USD
0 (0%)
After Hours: 3/13/2026, 8:00:00 PM
Past quarterly earnings results for PROTHENA CORP PLC (PRTA), including EPS and revenue actuals, analyst estimates, and surprise percentages. This page focuses on historical performance (not forecasts).
Earnings Snapshot
Next Earnings Date
Release DateMay 6, 2026
PeriodQ1 / 2026
EPS Estimate-$0.37
Revenue Estimate
Last Reported
Release DateFeb 19, 2026
PeriodQ4 / 2025
EPS Reported-$0.40
EPS Surprise 29.83%
Revenue Surprise -98.52%
Beat Rate
31%
EPS and Revenuebeats vs estimates
Quarterly Earnings Results
EPS & Revenue History (USD)
Actual vs estimated values, surprises, q2q growth and acceleration numbers for recent quarters.
| Quarter | EPS | EPS Est | EPS Surprise | EPS Q2Q | Revenue | Revenue Est | Revenue Surprise | Revenue Q2Q |
|---|---|---|---|---|---|---|---|---|
| Q4 2025 | -0.40 | -0.57 | 29.83% | 62.96% | 21K | 1.418M | -98.52% | -99.01% |
| Q3 2025 | -0.68 | -0.70 | 2.98% | 38.18% | 2.415M | 6.771M | -64.33% | 148.97% |
| Q2 2025 | -1.73 | -1.34 | -28.86% | -241.80% | 4.42M | 5.47M | -19.20% | -96.65% |
| Q1 2025 | -1.12 | -0.99 | -12.81% | 16.42% | 2.828M | 6.392M | -55.76% | 5,556.00% |
| Q4 2024 | -1.08 | -1.06 | -1.61% | 14.29% | 2.123M | 7.684M | -72.37% | 571.84% |
| Q3 2024 | -1.10 | -1.20 | 8.41% | -389.47% | 970K | 1.25M | -22.40% | -98.86% |
| Q2 2024 | 1.22 | -1.07 | 213.55% | 218.45% | 132.014M | 10.943M | 1,106.38% | 3,184.75% |
| Q1 2024 | -1.34 | -1.23 | -9.36% | -50.56% | 50K | 2.209M | -97.74% | -97.69% |
| Q4 2023 | -1.26 | -1.24 | -1.53% | -1,150.00% | 316K | 2.196M | -85.61% | -99.37% |
| Q3 2023 | 0.38 | -0.33 | 215.70% | 139.18% | 84.866M | 42.526M | 99.56% | 5,557.73% |
| Q2 2023 | -1.03 | -1.02 | -1.40% | -17.05% | 4.019M | 4.613M | -12.88% | 209.15% |
| Q1 2023 | -0.89 | -0.96 | 7.61% | -14.10% | 2.169M | 7.516M | -71.14% | 80.75% |
| Q4 2022 | 0.12 | -0.48 | 125.26% | 116.90% | 49.9M | 29.727M | 67.86% | 4,058.33% |
| Q3 2022 | -0.97 | -0.54 | -79.92% | -145.54% | 1.5M | 22.504M | -93.33% | -98.92% |
| Q2 2022 | -0.88 | -0.53 | -64.80% | -251.72% | 1.3M | 17.519M | -92.58% | -97.84% |
| Q1 2022 | -0.78 | -0.69 | -13.07% | 14.29% | 1.2M | 8.247M | -85.45% | 500.00% |
| Q4 2021 | -0.71 | -0.60 | -19.25% | 7.79% | 1.2M | 12.052M | -90.04% | 200.00% |
| Q3 2021 | 2.13 | 2.32 | -8.33% | 376.62% | 139.2M | 142.85M | -2.56% | 69,500.00% |
| Q2 2021 | 0.58 | 1.02 | -43.01% | 187.88% | 60.1M | 71.6M | -16.06% | 29,950.00% |
| Q1 2021 | -0.91 | -0.55 | -64.60% | -54.24% | 200K | 10.324M | -98.06% | 100.00% |
| Q4 2020 | -0.77 | -0.78 | 1.82% | - | 400K | 178.5K | 124.09% | - |
| Q3 2020 | -0.77 | -0.67 | -15.75% | - | 200K | 172.553K | 15.91% | - |
| Q2 2020 | -0.66 | -0.63 | -5.30% | - | 200K | 154.703K | 29.28% | - |
| Q1 2020 | -0.59 | -0.58 | -1.02% | - | 100K | 199.747K | -49.94% | - |
Notes
- EPS and Revenue values are non-GAAP when available, otherwise GAAP.
- Surprise % is (Actual - Estimate) / |Estimate|. Green indicates positive surprise, red negative.
- Q2Q % is quarter-over-quarter growth. Green indicates growth, red indicates decline.
- Green right border indicates acceleration for sales or earnings growth. Acceleration is the case when the current Q2Q is above the previous Q2Q.
Earnings Q2Q Performance Trends
EPS Historical Q2Q growth and Acceleration
Revenue Historical Q2Q growth and Acceleration
Surprise distribution (Last 4 Quarters)
EPS beat statistics
EPS beat (4)
2
Average EPS beat (4)
-2.22%
Max EPS beat (4)
29.83%
Min EPS beat (4)
-28.86%
Revenue beat statistics
Revenue beat (4)
0
Average Revenue beat (4)
-59.45%
Max Revenue beat (4)
-19.20%
Min Revenue beat (4)
-98.52%
Analysis
In the last 4 quarters, PRTA has beaten EPS estimates in 2 out of 4 releases
PRTA has not beaten revenue estimates in any of the last 4 earnings releases
In the last 4 quarters, PRTA reported -2.2% below the EPS estimates on average.
In the last 4 quarters, PRTA reported -59.5% below the revenue estimates on average.
PROTHENA CORP PLC / PRTA Earnings FAQ
When did PROTHENA CORP PLC (PRTA) report earnings last quarter?
PROTHENA CORP PLC (PRTA) last reported earnings on 2/19/2026.
Did PRTA stock beat earnings estimates in the most recent quarter?
PROTHENA CORP PLC (PRTA) beat EPS estimates and missed revenue estimates in the most recent quarter.
What percentage of the time does PRTA stock beat earnings estimates?
In the last 4 quarters, PROTHENA CORP PLC (PRTA) has beaten EPS estimates in 2 out of 4 releases.