PRTA
Prothena Corporation plc
8.30$
-0.4%
vs. previous close
Closing price · As of: Sep 25, 2026
Statements
Income Statement
All figures as the change versus the prior period, in percent. Periods without a positive comparison base stay empty.
Tick rows to compare them in a chart (up to 4)
| Line item | Q3 23 | Q4 23 | Q1 24 | Q2 24 | Q3 24 | Q4 24 | Q1 25 | Q2 25 | Q3 25 | Q4 25 | Q1 26 | Q2 26 | LTM* |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| – | -99.6% | -84.2% | +263,928.0% | -99.3% | +118.9% | +33.2% | +56.3% | -45.4% | -99.1% | +243,157.1% | -98.0% | – | |
| – | +6.9% | -98.6% | +6,383.7% | – | – | – | – | – | -96.7% | -2.5% | – | – | |
| – | -328.5% | – | +263,928.0% | -99.3% | +118.9% | +33.2% | +56.3% | -700.1% | – | – | -98.0% | – | |
| – | +6.9% | +3.6% | -10.3% | -11.8% | -1.1% | +1.3% | -20.3% | -28.6% | -49.6% | -13.4% | -30.3% | – | |
| – | +1.8% | +3.1% | -7.7% | +3.9% | +0.5% | +4.5% | -9.6% | -16.8% | -4.5% | +0.2% | -14.0% | – | |
| – | +1.8% | +381.6% | -9.7% | -8.4% | -0.7% | +2.1% | +30.2% | -84.6% | +91.7% | -7.3% | -9.3% | – | |
| – | -861.7% | – | – | -213.9% | – | – | – | – | – | – | -181.8% | – | |
| – | – | – | – | – | – | – | – | – | – | – | – | – | |
| – | -357.3% | – | – | -192.3% | – | – | – | – | – | – | -156.8% | – | |
| – | +1.6% | -170.1% | – | – | – | – | – | -99.2% | -97.3% | -90.0% | +100.0% | – | |
| – | -408.0% | – | – | -188.2% | – | – | – | – | – | – | -156.8% | – | |
| – | -353.9% | – | – | -191.6% | – | – | – | – | – | – | -154.1% | – |
LTM = last twelve months (sum of the four most recent quarters).
Data as of: September 25, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.