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Healthcare

Prothena Corporation plc(PRTA)

Live Price

Offline

$8.93

+5.18% today

1Y Change

+47.36%

Window

Jun 23, 2025 β†’ Jun 18, 2026

Market Cap
$570.00M
Revenue Growth
-92.8%
EPS Growth
-99.6%
Dividend Yield
0.0%

Coverage: 249 bars Β· Jun 23, 2025 β†’ Jun 18, 2026

Research Briefing

A compact read on the setup, peer context, quarterly changes, and recent earnings reaction.

Decision context

Research Snapshot

Prothena Corporation plc (PRTA) is a Healthcare stock with a market cap of $570.00M and listed on NASDAQ. The stock last traded around $8.93 and up 47.4% across the available one-year price window (Jun 23, 2025 β†’ Jun 18, 2026). Baseline metrics include revenue growth of -92.8%, EPS growth of -99.6%, a dividend yield of 0.0%. What stands out right now is revenue -92.8%, EPS -99.6%, free cash flow -8.9% with operating margin -2247.5% and ROIC -75.4%. Valuation already assumes a fairly strong business story at price/sales 59.1. Overall, the current profile looks closer to a turnaround or cyclical reset than a generic broad-market placeholder. Stock Foundry combines PRTA price history, valuation, growth, dividend context, earnings, analyst forecasts, news, related Healthcare peers on this page.

Benchmark Comparison

Normalized Performance vs SPY

Compare this ticker against a broad index, growth benchmark, or sector ETF using a shared 1Y normalization window.

1Y shared range

PRTA

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Normalized return

SPY

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S&P 500

Excess Return

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Relative to SPY

PRTA Max Drawdown

-31.28%

Trailing 1Y

SPY Max Drawdown

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Trailing 1Y

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Calendar-Year Returns

Uses the longest available daily history for PRTA and SPY.

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Earnings Reports

πŸ“… Last reportedMay 14, 2026
PeriodB/MEPSEPS Ξ”RevenueRev Ξ”Report
β€”
May 14, 26
β€”
Est -0.37
β€”
β€”
Est 808.9B
β€”
May 14
β€”
Feb 19, 26
βœ“
-0.44
Est -0.45
+2.2%
21.0B
Est 1333.9B
-98.4%
Feb 19
β€”
Nov 6, 25
βœ—
-0.67
Est -0.60
-11.7%
2415.0B
Est 666.7B
+262.3%
Nov 6
β€”
Aug 4, 25
βœ—
-1.86
Est -1.11
-67.6%
4420.0B
Est 6638.1B
-33.4%
Aug 4
β€”
May 8, 25
βœ—
-1.12
Est -0.92
-21.7%
2828.0B
Est 15335.7B
-81.6%
May 8
β€”
Feb 20, 25
βœ—
-1.08
Est -1.02
-5.9%
2123.0B
Est 7533.2B
-71.8%
Feb 20
β€”
Nov 12, 24
βœ“
-1.10
Est -1.18
+6.8%
970.0B
Est 1230.0B
-21.1%
Nov 12
β€”
Aug 8, 24
βœ“
1.22
Est -1.05
+216.2%
132014.0B
Est 10730.0B
+1130.3%
Aug 8
β€”
May 8, 24
βœ—
-1.34
Est -1.21
-10.7%
50.0B
Est 1840.0B
-97.3%
May 8
β€”
Feb 15, 24
βœ—
-1.26
Est -1.23
-2.4%
316.0B
Est 2150.0B
-85.3%
Feb 15
β€”
Nov 2, 23
βœ“
0.38
Est -0.32
+218.8%
84866.0B
Est 41690.0B
+103.6%
Nov 2
β€”
Aug 3, 23
βœ—
-1.03
Est -0.92
-12.0%
4019.0B
Est 4520.0B
-11.1%
Aug 3
β€”
May 4, 23
βœ—
-0.89
Est -0.83
-7.2%
2169.0B
Est 4520.0B
-52.0%
May 4
β€”
Feb 23, 23
βœ“
0.12
Est -0.47
+125.5%
49923.0B
Est 7370.0B
+577.4%
Feb 23
β€”
Nov 3, 22
βœ—
-0.97
Est -0.31
-212.9%
1517.0B
Est 25217.9B
-94.0%
Nov 3
β€”
Aug 8, 22
βœ—
-0.88
Est -0.51
-72.5%
1312.0B
Est 17175.0B
-92.4%
Aug 8
β€”
May 5, 22
βœ“
-0.78
Est -0.85
+8.2%
1153.0B
Est 8085.0B
-85.7%
May 5
β€”
Feb 17, 22
βœ“
-0.71
Est -0.74
+4.0%
1172.0B
Est 7117.5B
-83.5%
Feb 17
β€”
Nov 4, 21
βœ—
2.13
Est 2.28
-6.6%
139174.0B
Est 140050.0B
-0.6%
Nov 4
β€”
Aug 5, 21
βœ—
0.58
Est 1.00
-42.0%
60071.0B
Est 70200.0B
-14.4%
Aug 5
No upcoming earnings in the next 90 days

Next Step

Connect reports to catalysts

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