The Moat Index

Compare moats, side by side.

Two to four companies, scored on the same four filters from their SEC filings — so the comparison is apples to apples. The method is fully public.

Try AAPL vs MSFT vs KO, V vs MA, or COST vs WMT vs TGT.

ERNA · Healthcare · No moat

20/ 100
No moat

Doesn't clear the bar

PRPH · Healthcare · No moat

20/ 100
No moat

Doesn't clear the bar

TLRY · Healthcare · No moat

20/ 100
No moat

Doesn't clear the bar

RMTI · Healthcare · No moat

20/ 100
No moat

Doesn't clear the bar

MeasureERNAPRPHTLRYRMTI
Moat Score (0–100)20 (highest)20 (highest)20 (highest)20 (highest)
Pricing power026 (highest)140
Returns on capital07 (highest)00
Balance-sheet safety55 (highest)2855 (highest)55 (highest)
Capital discipline44 (highest)242444 (highest)
Margin of safetyNo price dataNo price dataNo price dataNo price data
Market cap$50.4M$594473$4.6B$241.4M
Moat tierNo moatNo moatNo moatNo moat
Filings as ofFY2025FY2025FY2025FY2025
ERNA vs PRPH vs TLRY vs RMTI — Moat Score Comparison · Buy Like Buffett