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.

COO · Healthcare · Shallow moat

50/ 100
Shallow moat

Doesn't clear the bar

ELSE · Healthcare · Shallow moat

50/ 100
Shallow moat

Doesn't clear the bar

OBIO · Healthcare · Shallow moat

50/ 100
Shallow moat

Doesn't clear the bar

STAA · Healthcare · Shallow moat

50/ 100
Shallow moat

Doesn't clear the bar

MeasureCOOELSEOBIOSTAA
Moat Score (0–100)50 (highest)50 (highest)50 (highest)50 (highest)
Pricing power100 (highest)88100 (highest)70
Returns on capital110042 (highest)
Balance-sheet safety36100 (highest)5555
Capital discipline46 (highest)164424
Margin of safety222% above value (highest margin of safety)631% above valueNo price data3621% above value
Market cap$14.0B$26.8M$209.9M$1.3B
Moat tierShallow moatShallow moatShallow moatShallow moat
Filings as ofFY2025FY2025FY2025FY2025
COO vs ELSE vs OBIO vs STAA — Moat Score Comparison · Buy Like Buffett