Prothena Corporation plc (PRTA) vs Senseonics Holdings, Inc. (SENS)

A side-by-side comparison of Prothena Corporation plc and Senseonics Holdings, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total return — PRTA vs SENS

growth of $100 · dividends reinvested · last 10y
PRTA -86.6% (-18.2%/yr)SENS -86.3% (-18.0%/yr)SENS compounded faster over this window
050100Start $10020182020202220242026$13$14
PRTA SENS

PRTA vs SENS: by the numbers

  • •SENS is the larger company ($419M vs $414M market cap).
  • •Both run net losses; PRTA's is the smaller (-80.67% vs -225.34% net margin).
  • •PRTA grew revenue faster over the past five years (62.57% vs 35.10% CAGR).

Metrics side by side

Valuation

MetricPRTASENS
Forward P/E71.82N/A
P/S ratio7.588.64
P/B ratio1.444.64

Profitability

MetricPRTASENS
Gross margin61.77%44.71%
Operating margin-1905.82%-193.83%
Net margin-80.67%-225.34%
ROE-15.33%-121.12%
ROIC-21.36%-71.22%

Growth (annualized)

MetricPRTASENS
Revenue CAGR (5Y)62.57%35.10%
Total return CAGR (5Y)-35.08%-30.89%

Frequently asked

Which has grown faster, PRTA or SENS?
Over the past five years, PRTA grew revenue faster — PRTA at a 62.57% CAGR versus SENS at 35.10%.
How have PRTA and SENS total returns compared?
Over the past 10 years, PRTA delivered -18.37% and SENS delivered -18.02% annualized total return. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.