Profile
| Metric | Value |
|---|---|
| Full Name | Prothena Corporation plc |
| Ticker | NASDAQ: PRTA |
| Exchange | NASDAQ |
| Sector | Healthcare |
| Industry | Biotechnology |
| Country | Ireland |
| IPO | |
| Indexes | Not included |
| Website | prothena.com |
| Employees | 163 |
Key Metrics
| Metric | Date | Value |
|---|---|---|
| Price | $9.13 | |
| Price, 1D Change | +1.78% | |
| Market Cap | $491M | |
| - | ||
| PE Ratio | - | |
| Beta | 0.54 | |
| Revenue | $135M | |
| Revenue, 1Y Change | +47.92% | |
| EPS | -$2.27 | |
| EPS, 1Y Change | +17.67% |
Chart
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Series
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Events
| Metric | Date | Value |
|---|---|---|
| Next Earnings | ||
| Last Qtr. Earnings | ||
| Last Ann. Earnings | ||
| Last Ex-Dividend | N/A | N/A |
| Next Ex-Dividend | N/A | N/A |
| Last Split | N/A | N/A |
| Next Split | N/A | N/A |
| Last Ticker Change | N/A | N/A |
| Next Ticker Change | N/A | N/A |
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Estimates
| Metric | Date | Value |
|---|---|---|
| EPS | -$2.27 | |
| EPS Estimate | -$4.53 | |
| EPS Est. Change | -99.16% | |
| Revenue | $135.16M | |
| Revenue Estimate | $10.10M | |
| Revenue Est. Change | -92.53% | |
| Current Price | $9.13 | |
| Price Target | - | $18.50 |
| Price Tgt. Change | - | +102.63% |
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EPS
| 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% |
Revenue
| Year | Estimate | Reported | Surprise / Exp. |
|---|---|---|---|
| $89.77M | $91.37M | +1.78% | |
| $140.56M | $135.16M | -3.84% | |
| $10.10M | N/A | -92.53% | |
| $118.34M | N/A | -12.44% |
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Performance
| Metric | Date | Value |
|---|---|---|
| Price, 1Y | -35.48% | |
| Price, 3Y | -82.98% | |
| Market Cap, 1Y | -35.47% | |
| Market Cap, 3Y | -82.42% | |
| Revenue, 1Y | +47.92% | |
| Revenue, 3Y | -32.62% | |
| EPS, 1Y | +17.67% | |
| EPS, 3Y | -264.59% |
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Technical Indicators
| Metric | Date | Value |
|---|---|---|
| Current Price | $9.13 | |
| SMA 200 | $8.62 | |
| SMA 200 vs Price | -5.64% | |
| SMA 50 | $10.12 | |
| SMA 50 vs Price | +10.88% | |
| Beta | 0.54 | |
| ATR | $0.46 | |
| 14-Day RSI | 40.38 | |
| 10-Day Volatility | 32.43% | |
| 1-Year Volatility | 62.36% |
Dividends
| Metric | Date | Value |
|---|---|---|
| N/A | - | |
| Upcoming | N/A | N/A |
| - | ||
| - | ||
| $0.00 | ||
| 0.00% |
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Income & Profitability
| Metric | Date | Value |
|---|---|---|
| Revenue | $135.16M | |
| EPS | -$2.27 | |
| Gross Profit | $131.57M | |
| Gross Margin | 97.35% | |
| Operating Profit | -$154.56M | |
| Operating Margin | -114.36% | |
| Net Income | -$122.31M | |
| Net Margin | -90.49% | |
| EBITDA | -$154.56M |
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Financial Health
| Metric | Date | Value |
|---|---|---|
| Debt To Equity | 0.02 | |
| 10.01 | ||
| 10.01 | ||
| - | ||
| 3 | ||
| 2.35 |
Valuations
| Metric | Date | Value |
|---|---|---|
| PE Ratio | - | |
| 41.70 | ||
| 1.67 | ||
| -0.78 | ||
| N/A | - |
Balance Sheet
| Metric | Date | Value |
|---|---|---|
| Book Value | $486.93M | |
| $471.39M | ||
| $547.11M | ||
| $485.41M | ||
| $60.18M | ||
| $48.50M | ||
| Total Debt | $10.84M | |
| $2.61M | ||
| $7.77M |
Expenses
| Metric | Date | Value |
|---|---|---|
| $289.72M | ||
| $289.72M | ||
| $3.59M | ||
| $67.20M | ||
| $893.00K | ||
| $0.00 | ||
| -$6.62M |
Cash Flow
| Metric | Date | Value |
|---|---|---|
| -$150.05M | ||
| -$298.00K | ||
| $1.55M | ||
| Capex | $298.00K | |
| -$150.35M |
Recent analyst updates
| Metric | Date | Value |
|---|---|---|
| Citizens | → | |
| RBC Capital | → | |
| HC Wainwright & Co. | → | |
| Piper Sandler | → | |
| HC Wainwright & Co. | → | |
| JMP Securities | → | |
| Piper Sandler | → | |
| Chardan Capital | → | |
| RBC Capital | → | |
| HC Wainwright & Co. | → |
Analyst sentiment
Institutional ownership
Screeners with PRTA
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
FAQ
What is the ticker symbol for Prothena Corporation plc?
The ticker symbol for Prothena Corporation plc is NASDAQ:PRTA
Does Prothena Corporation plc pay dividends?
No, Prothena Corporation plc does not pay dividends
What sector is Prothena Corporation plc in?
Prothena Corporation plc is in the Healthcare sector
What industry is Prothena Corporation plc in?
Prothena Corporation plc is in the Biotechnology industry
What country is Prothena Corporation plc based in?
Prothena Corporation plc is headquartered in Ireland
When did Prothena Corporation plc go public?
Prothena Corporation plc initial public offering (IPO) was on December 18, 2012
Is Prothena Corporation plc in the S&P 500?
No, Prothena Corporation plc is not included in the S&P 500 index
Is Prothena Corporation plc in the NASDAQ 100?
No, Prothena Corporation plc is not included in the NASDAQ 100 index
Is Prothena Corporation plc in the Dow Jones?
No, Prothena Corporation plc is not included in the Dow Jones index
When was Prothena Corporation plc last earnings report?
Prothena Corporation plc's most recent earnings report was on November 6, 2025
When does Prothena Corporation plc report earnings?
The next expected earnings date for Prothena Corporation plc is February 19, 2026