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.

STAA · 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

COO · Healthcare · Shallow moat

50/ 100
Shallow moat

Doesn't clear the bar

BRTX · Healthcare · Shallow moat

50/ 100
Shallow moat

Doesn't clear the bar

MeasureSTAAOBIOCOOBRTX
Moat Score (0–100)50 (highest)50 (highest)50 (highest)50 (highest)
Pricing power70100 (highest)100 (highest)99
Returns on capital42 (highest)0110
Balance-sheet safety55 (highest)55 (highest)3655 (highest)
Capital discipline244446 (highest)44
Margin of safety3621% above valueNo price data222% above value (highest margin of safety)No price data
Market cap$1.3B$209.9M$14.0B$3.0M
Moat tierShallow moatShallow moatShallow moatShallow moat
Filings as ofFY2025FY2025FY2025FY2025
STAA vs OBIO vs COO vs BRTX — Moat Score Comparison · Buy Like Buffett