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PRTAProthena Corporation plcSell5.1·$9.45+4.65%

Prothena Corporation (PRTA) Q2 2026 earnings — TrendMatrix coverage

BEAT · SMALLER LOSS+18.4% vs estimateEPS -$0.31 vs -$0.38 estCurrent verdict Sell 5.1/10

Reported

Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results. How we score · Full disclosure

Event detail · Q2 2026

Key numbers

Reported EPS
-$0.31
Estimate
-$0.38
Surprise
+18.4%
Revenue (period 2026-06-30)
$1.0M
Score today
5.1/10

Revenue source: xbrl.

Report record · Q2 2026

How the report landed

Prothena Corporation (PRTA) reported a narrower loss than forecast — diluted EPS of -$0.31 against the -$0.38 estimate (a 18.4% beat on a still-unprofitable quarter).

Current read · as of 2026-08-23

Where TrendMatrix's rating stands now

TrendMatrix currently rates PRTA Sell at 5.1/10; no pre/post engine snapshot brackets this report.

2 of the last 4 quarters beat the estimate; this quarter's +18.4% surprise compares with a +79.6% four-quarter average. Next scheduled report: 2026-11-05.

What argues against it

  • Quality below floor (1.8 < 4.0)
  • Value-trap signals (2/5): Material insider selling (38 sells, 0.26% of cap), Negative free cash flow

This section and the ones below it reflect TrendMatrix’s latest engine read — they update after the report date and are not frozen to it.

Current engine read

The levels TrendMatrix's engine tracks

Current price
$9.45
Price target
$18.62
Stop
$8.79
Upside to target
+97.0%
Reward-to-risk
6.5:1

Risk check: RSI 70 — a level conventionally read as overbought; gains at these levels often lean on momentum.

Model outputs from TrendMatrix’s engine as of 2026-08-23 — shown for context, not personalized investment advice.

Healthcare context

PRTA at TrendMatrix's latest read

Healthcare earnings trade on pipeline and payer dynamics as much as the quarter itself; a beat or miss is weighed against trial and reimbursement news.

Industry
Biotechnology
Market cap
$485.1M
P/E (fwd)
-6.2
52-week range
$7.73$11.80
Off 52-week high
19.9%
RSI (14)
70
Volume vs avg
0.80×
Score today
5.1/10

Earnings figures are sourced from TrendMatrix’s pipeline (EPS: existing earnings extraction; revenue: SEC XBRL company facts where available, yfinance-provisional otherwise). Not a buy/sell rating, a price target, or investment advice — see the current verdict on the stock’s main page for TrendMatrix’s live read.

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