Prothena Corp Public Ltd Co

PRTA Nasdaq SEC CIK 1559053
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Financials

Reported figures only · latest: Q2 2026 USD · US GAAP
Revenue, last quarter $1M −77.1% vs same quarter last year
Net income −$18.6M +85.2% vs same quarter last year
EPS, diluted −$0.36 +84.6% vs same quarter last year
Operating cash flow −$25M +45.9% vs same quarter last year
Revenue by quarter
$970K
$2.1M
$2.8M
$4.4M
$2.4M
$21K
$51.1M
$1M
Q3 24 Q4 24 Q1 25 Q2 25 Q3 25 Q4 25 Q1 26 Q2 26

Source: SEC XBRL filings · latest filing

The long view

Fiscal years as reported · SEC XBRL filings, US GAAP
Revenue and net income15 fiscal years
  • Revenue
  • Net income
−$400M−$200M$0$200M$400MFY11FY13FY15FY17FY19FY21FY23FY25
Show the numbers
YearRevenueNet income
FY25$9.7M−$244.1M
FY24$135.2M−$122.3M
FY23$91.4M−$147M
FY22$53.9M−$116.9M
FY21$200.6M$67M
FY20$853K−$111.1M
FY19$814K−$77.7M
FY18$955K−$155.6M
FY17$27.5M−$153.2M
FY16$1.1M−$160.1M
FY15$1.6M−$80.6M
FY14$50.9M−$7.2M
FY13$676K−$41M
FY12$2.7M−$41.4M
FY11-−$29.7M
MarginsShare of revenue
  • Operating margin
  • Net margin
−20000%−15000%−10000%−5000%0%5000%FY11FY13FY15FY17FY19FY21FY23FY25
Show the numbers
YearOperating marginNet margin
FY25−2216.4%−2520.6%
FY24−114.4%−90.5%
FY23−209.1%−160.9%
FY22−244.1%−217%
FY2135.9%33.4%
FY20−13216.2%−13029.8%
FY19−10527.9%−9542.6%
FY18−16634%−16297.9%
FY17−564.2%−556.8%
FY16−15121.8%−15176.1%
FY15−4974.3%−5016.3%
FY14−13.1%−14.1%
FY13−5980.3%−6064.5%
FY12−1557.9%−1558%
FY11--
Net margin vs the sectorMedian of Healthcare companies filing with the SEC
  • Prothena Corp Public
  • Healthcare median
−20000%−15000%−10000%−5000%0%5000%FY11FY13FY15FY17FY19FY21FY23FY25
Show the numbers
YearProthena Corp PublicHealthcare median
FY25−2520.6%−40.6%
FY24−90.5%−60.7%
FY23−160.9%−97.1%
FY22−217%−128.5%
FY2133.4%−129.2%
FY20−13029.8%−136.5%
FY19−9542.6%−133.7%
FY18−16297.9%−173.4%
FY17−556.8%−176.7%
FY16−15176.1%−164.8%
FY15−5016.3%−183.4%
FY14−14.1%−133%
FY13−6064.5%−88.5%
FY12−1558%−87.4%
FY11-−76.3%

News

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