Annual EPS
-$2.27$0.49+17.67%
Summary
- Current Value
- As of today, PRTA annual EPS is -$2.27, up +17.67% on
- Historical Performance
- PRTA annual EPS is down -264.59% over the past 3 years, and down -16.78% over the past 5 years
- All-Time High Comparison
- PRTA annual EPS is currently -264.59% below its historical high of $1.38 set on
- 3-Year Low Comparison
- PRTA annual EPS is +17.67% above its 3-year low of -$2.76 reached on
- Sector Comparison
- PRTA annual EPS is higher than 36.91% of companies in Healthcare sector
- Analyst Estimate
- Analysts estimate PRTA annual EPS at -$4.53, -99.16% lower than the current value
- Upcoming Earnings
- The next annual earnings release for PRTA is on
EPS Chart
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Series
SUGGESTED SERIES
Performance
| Metric | Date | Value | 1Y | 3Y | 5Y | 15Y |
|---|---|---|---|---|---|---|
| Annual EPS | -$2.27 | +17.7% | -264.6% | -16.8% | -297.7% | |
| Quarterly EPS | -$0.68 | +38.1% | +30.3% | +11.4% | -100.0% | |
| TTM EPS | -$5.21 | -109.8% | -55.9% | -103.9% | -100.0% | |
| Price | $9.05 | -36.1% | -83.1% | -29.4% | – | |
| Annual Revenue | $135.16M | +47.9% | -32.6% | +10000.0% | +10000.0% | |
| PE Ratio | - | – | – | – | – | |
| Annual Net Income | -$122.31M | +16.8% | -282.6% | -57.5% | -878.5% | |
| Annual Gross Profit | $131.57M | +58.6% | +100.0% | +100.0% | +10000.0% | |
| Shares Outstanding | 53.83M | +0.0% | +3.3% | +34.8% | – |
EPS Highs
| Period | High | Date | Current |
|---|---|---|---|
| 3Y | -$2.27 | at high | |
| 5Y | $1.38 | -264.6% | |
| All | $1.38 | -264.6% |
EPS Lows
| Period | Low | Date | Current |
|---|---|---|---|
| 3Y | -$2.76 | +17.7% | |
| 5Y | -$2.78 | N/A | +18.3% |
| All | -$4.66 | +51.2% |
EPS Estimates
| Year | Estimate | Reported | Surprise / Exp. |
|---|---|---|---|
| -$2.77 | -$2.76 | +0.26% | |
| -$2.22 | -$2.27 | -2.69% | |
| -$4.53 | N/A | -99.16% | |
| $0.53 | N/A | +123.16% |
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EPS History
FAQ
What is the current annual EPS of PRTA?
As of today, PRTA annual EPS is -$2.27
What is 1-year change in PRTA annual EPS?
PRTA annual EPS is up +17.67% year-over-year
What is 3-year change in PRTA annual EPS?
PRTA annual EPS is down -264.59% over the past 3 years
How far is PRTA annual EPS from its all-time high?
PRTA annual EPS is currently -264.59% below its historical high of $1.38 set on December 31, 2021
How does PRTA annual EPS rank versus sector peers?
PRTA annual EPS is higher than 36.91% of companies in Healthcare sector
How does the analyst estimate for PRTA annual EPS compare to its current value?
Analysts estimate PRTA annual EPS at -$4.53, -99.16% lower than the current value
When is PRTA next annual earnings release?
The next annual earnings release for PRTA is on
Quarterly EPS
-$0.68$1.66+70.95%
Summary
- Current Value
- As of today, PRTA quarterly EPS is -$0.68, up +70.95% on
- Historical Performance
- PRTA quarterly EPS is up +38.12% year-over-year, and up +30.31% over the past 3 years
- All-Time High Comparison
- PRTA quarterly EPS is currently -131.82% below its historical high of $2.13 set on
- 3-Year Low Comparison
- PRTA quarterly EPS is +70.95% above its 3-year low of -$2.34 reached on
- Sector Comparison
- PRTA quarterly EPS is higher than 24.23% of companies in Healthcare sector
- Analyst Estimate
- Analysts estimate PRTA quarterly EPS at -$0.46, +32.23% higher than the current value
- Upcoming Earnings
- The next earnings release for PRTA is on
Performance
| Metric | Date | Value | 3M | 1Y | 3Y | 5Y |
|---|---|---|---|---|---|---|
| Quarterly EPS | -$0.68 | +71.0% | +38.1% | +30.3% | +11.4% | |
| Annual EPS | -$2.27 | – | +17.7% | -264.6% | -16.8% | |
| TTM EPS | -$5.21 | +7.4% | -109.8% | -55.9% | -103.9% | |
| Price | $9.05 | -12.6% | -36.1% | -83.1% | -29.4% | |
| Quarterly Revenue | $2.42M | -45.4% | +149.0% | +59.2% | +1438.2% | |
| PE Ratio | - | – | – | – | – | |
| Quarterly Net Income | -$36.54M | +71.0% | +38.1% | +20.1% | -19.5% | |
| Quarterly Gross Profit | $1.47M | -58.4% | +1787.2% | +100.0% | +100.0% | |
| Shares Outstanding | 53.83M | – | +0.0% | +3.3% | +34.8% |
Quarterly EPS Highs
| Period | High | Date | Current |
|---|---|---|---|
| 1Y | -$0.68 | at high | |
| 3Y | $1.22 | -155.9% | |
| 5Y | $2.13 | -131.8% | |
| All | $2.13 | -131.8% |
Quarterly EPS Lows
| Period | Low | Date | Current |
|---|---|---|---|
| 1Y | -$2.34 | +71.0% | |
| 3Y | -$2.34 | +71.0% | |
| 5Y | -$2.34 | +71.0% | |
| All | -$2.34 | +71.0% |
Quarterly EPS Estimates
| Month | Estimate | Reported | Surprise / Exp. |
|---|---|---|---|
| -$1.79 | -$2.34 | -30.53% | |
| -$0.54 | -$0.68 | -26.29% | |
| -$0.46 | N/A | +32.23% | |
| -$0.32 | N/A | +52.86% |
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Quarterly EPS History
FAQ
What is the current quarterly EPS of PRTA?
As of today, PRTA quarterly EPS is -$0.68
What is PRTA quarterly EPS most recent change?
PRTA quarterly EPS was up +70.95% on September 30, 2025
What is 1-year change in PRTA quarterly EPS?
PRTA quarterly EPS is up +38.12% year-over-year
How far is PRTA quarterly EPS from its all-time high?
PRTA quarterly EPS is currently -131.82% below its historical high of $2.13 set on September 30, 2021
How does PRTA quarterly EPS rank versus sector peers?
PRTA quarterly EPS is higher than 24.23% of companies in Healthcare sector
How does the analyst estimate for PRTA quarterly EPS compare to its current value?
Analysts estimate PRTA quarterly EPS at -$0.46, +32.23% higher than the current value
When is PRTA next earnings release?
The next earnings release for PRTA is on
TTM EPS
-$5.21$0.42+7.43%
Summary
- Current Value
- As of today, PRTA TTM EPS is -$5.21, up +7.43% on
- Historical Performance
- PRTA TTM EPS is down -109.77% year-over-year, and down -55.85% over the past 3 years
- All-Time High Comparison
- PRTA TTM EPS is currently -524.18% below its historical high of $1.23 set on
- 3-Year Low Comparison
- PRTA TTM EPS is +7.43% above its 3-year low of -$5.63 reached on
- Sector Comparison
- PRTA TTM EPS is higher than 17.88% of companies in Healthcare sector
- Analyst Estimate
- Analysts estimate PRTA TTM EPS at -$4.59, +11.84% higher than the current value
- Upcoming Earnings
- The next earnings release for PRTA is on
Performance
| Metric | Date | Value | 3M | 1Y | 3Y | 5Y |
|---|---|---|---|---|---|---|
| TTM EPS | -$5.21 | +7.4% | -109.8% | -55.9% | -103.9% | |
| Quarterly EPS | -$0.68 | +71.0% | +38.1% | +30.3% | +11.4% | |
| Annual EPS | -$2.27 | – | +17.7% | -264.6% | -16.8% | |
| Price | $9.05 | -12.6% | -36.1% | -83.1% | -29.4% | |
| TTM Revenue | $11.79M | +14.0% | -91.2% | +128.7% | +1473.6% | |
| PE Ratio | - | – | – | – | – | |
| TTM Net Income | -$280.46M | +7.4% | -112.7% | -79.2% | -175.0% | |
| TTM Gross Profit | $8.14M | +20.7% | -93.0% | +100.0% | +100.0% | |
| Shares Outstanding | 53.83M | – | +0.0% | +3.3% | +34.8% |
TTM EPS Highs
| Period | High | Date | Current |
|---|---|---|---|
| 1Y | -$2.08 | -150.9% | |
| 3Y | -$1.01 | -416.3% | |
| 5Y | $1.23 | -524.2% | |
| All | $1.23 | -524.2% |
TTM EPS Lows
| Period | Low | Date | Current |
|---|---|---|---|
| 1Y | -$5.63 | +7.4% | |
| 3Y | -$5.63 | +7.4% | |
| 5Y | -$5.63 | +7.4% | |
| All | -$5.63 | +7.4% |
TTM EPS History
FAQ
What is the current TTM EPS of PRTA?
As of today, PRTA TTM EPS is -$5.21
What is PRTA TTM EPS most recent change?
PRTA TTM EPS was up +7.43% on September 30, 2025
What is 1-year change in PRTA TTM EPS?
PRTA TTM EPS is down -109.77% year-over-year
How far is PRTA TTM EPS from its all-time high?
PRTA TTM EPS is currently -524.18% below its historical high of $1.23 set on March 31, 2022
How does PRTA TTM EPS rank versus sector peers?
PRTA TTM EPS is higher than 17.88% of companies in Healthcare sector
How does the analyst estimate for PRTA TTM EPS compare to its current value?
Analysts estimate PRTA TTM EPS at -$4.59, +11.84% higher than the current value
When is PRTA next earnings release?
The next earnings release for PRTA is on
EPS Formula
EPS =
- Preferred Dividends
Data Sources & References
- PRTA Official Website www.prothena.com
- Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1559053/000155905325000044/0001559053-25-000044-index.htm
- Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1559053/000155905325000009/0001559053-25-000009-index.htm
- PRTA Profile on Yahoo Finance finance.yahoo.com/quote/PRTA
- PRTA Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/prta