$15.75
4.11% today
Nasdaq, Feb 28, 08:49 pm CET
ISIN
IE00B91XRN20
Symbol
PRTA
Sector
Industry

Prothena Corp. Plc Target price 2025 - Analyst rating & recommendation

Prothena Corp. Plc Classifications & Recommendation:

Buy
80%
Hold
20%

Prothena Corp. Plc Price Target

Target Price $51.75
Price $15.13
Potential
Number of Estimates 8
8 Analysts have issued a price target Prothena Corp. Plc 2026 . The average Prothena Corp. Plc target price is $51.75. This is higher than the current stock price. The highest price target is , the lowest is .
A rating was issued by 10 analysts: 8 Analysts recommend Prothena Corp. Plc to buy, 2 to hold and 0 to sell.
Analysts don't have a crystal ball either, but they do represent the opinion of the market quite well. You should not take the price potential and the ratings as a recommendation to act. Rather, they serve as an additional building block for your own opinion or stock analysis.
Analyst Estimates: Analysts believe that the Prothena Corp. Plc stock has an average upside potential 2026 of . Most analysts recommend the Prothena Corp. Plc stock at Purchase.

Sales and Margin forecast 2025, 2026 to 2029

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Quarter Annually
Dec '24 2025
Estimates
Revenue Million $ 135.16 50.60
47.93% 62.56%
Net Margin -90.36% -382.88%
44.40% 323.74%

9 Analysts have issued a sales forecast Prothena Corp. Plc 2025 . The average Prothena Corp. Plc sales estimate is

$50.6m
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. This is
62.56% lower
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than the revenue of the last 12 months(TTM). The highest sales forecast is
$150m 10.98%
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, the lowest is
$0.0 100.00%
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.

This results in the following potential growth metrics:

Revenue Estimates

2024 $135m 47.93%
2025
$50.6m 62.56%
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2026
$100m 98.14%
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2027
$213m 112.68%
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2028
$497m 133.25%
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2029
$844m 69.64%
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9 Prothena Corp. Plc Analysts have issued a net profit forecast 2025. The average Prothena Corp. Plc net profit estimate is

$-194m
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. This is
56.57% lower
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than the net profit for the last 12 months(TTM). The highest net profit forecast is
$-122m 1.30%
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, the lowest is
$-254m 105.65%
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.

This results in the following potential growth metrics and future Net Margins:

Net Profit Estimates

2024 $-122m 17.75%
2025
$-194m 58.64%
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2026
$-207m 6.72%
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2027
$-200m 3.46%
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2028
$-47.6m 76.17%
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2029
$198m 516.65%
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Net Margin

2024 -90.36% 44.40%
2025
-382.88% 323.74%
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2026
-206.21% 46.14%
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2027
-93.61% 54.60%
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2028
-9.56% 89.79%
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2029
23.49% 345.71%
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Earnings per share, P/E ratio and EV/sales Estimates 2025, 2026 to 2029

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Quarter Annually
Dec '24 2025
Estimates
Earnings Per Share $ -2.27 -3.60
17.75% 58.59%
P/E negative
EV/Sales 6.99

9 Analysts have issued a Prothena Corp. Plc forecast for earnings per share. The average Prothena Corp. Plc <a href=https://blog.stocksguide.com/knowledge/eps-simply-explained>EPS is

$-3.60
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. This is
56.52% lower
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than earnings per share in the financial year 2024. The highest <a href=https://blog.stocksguide.com/knowledge/eps-simply-explained>EPS forecast is
$-2.27 1.30%
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, the lowest is
$-4.73 105.65%
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.

This results in the following potential growth metrics and future valuations:

Earnings Per Share

2024 $-2.27 17.75%
2025
$-3.60 58.59%
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2026
$-3.84 6.67%
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2027
$-3.71 3.39%
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2028
$-0.88 76.28%
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2029
$3.68 518.18%
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P/E ratio

Current -6.57 32.41%
2025
-4.20 36.07%
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2026
-3.94 6.19%
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2027
-4.08 3.55%
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2028
-17.12 319.61%
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2029
4.11 124.01%
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Based on analysts' sales estimates for 2025, the Prothena Corp. Plc stock is valued at an <a href=https://blog.stocksguide.com/knowledge/enterprise-value-sales-simply-explained>EV/Sales of

and an <a href=https://blog.stocksguide.com/knowledge/price-sales-ratio-simply-explained>P/S ratio of
16.09
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.

This results in the following potential growth metrics and future valuations:

EV/Sales

Current 2.62 71.92%
2025
6.99 166.71%
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2026
3.53 49.53%
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2027
1.66 52.98%
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2028
0.71 57.13%
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2029
0.42 41.05%
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P/S ratio

Current 6.02 62.32%
2025
16.09 167.11%
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2026
8.12 49.53%
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2027
3.82 52.98%
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2028
1.64 57.13%
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2029
0.96 41.05%
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Current Prothena Corp. Plc Upgrades & Downgrades Beta

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Analyst Rating Action Date
Piper Sandler Locked ➜ Locked Locked Feb 26 2025
HC Wainwright & Co. Locked ➜ Locked Locked Feb 24 2025
HC Wainwright & Co. Locked ➜ Locked Locked Feb 21 2025
Cantor Fitzgerald Locked ➜ Locked Locked Feb 21 2025
Chardan Capital Locked ➜ Locked Locked Feb 21 2025
Citizens Capital Markets Locked ➜ Locked Locked Feb 21 2025
RBC Capital Locked ➜ Locked Locked Feb 21 2025
Analyst Rating Date
Locked
Piper Sandler: Locked ➜ Locked
Feb 26 2025
Locked
HC Wainwright & Co.: Locked ➜ Locked
Feb 24 2025
Locked
HC Wainwright & Co.: Locked ➜ Locked
Feb 21 2025
Locked
Cantor Fitzgerald: Locked ➜ Locked
Feb 21 2025
Locked
Chardan Capital: Locked ➜ Locked
Feb 21 2025
Locked
Citizens Capital Markets: Locked ➜ Locked
Feb 21 2025
Locked
RBC Capital: Locked ➜ Locked
Feb 21 2025

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