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.

LH · Healthcare · No moat

39/ 100
No moat

Doesn't clear the bar

ARQT · Healthcare · No moat

39/ 100
No moat

Doesn't clear the bar

ARDX · Healthcare · No moat

39/ 100
No moat

Doesn't clear the bar

CTSO · Healthcare · No moat

39/ 100
No moat

Doesn't clear the bar

MeasureLHARQTARDXCTSO
Moat Score (0–100)39 (highest)39 (highest)39 (highest)39 (highest)
Pricing power4397 (highest)9696
Returns on capital23 (highest)000
Balance-sheet safety32 (highest)282828
Capital discipline65 (highest)242424
Margin of safety87% above valueNo price dataNo price dataNo price data
Market cap$23.3B$3.5B$1.3B$22.6M
Moat tierNo moatNo moatNo moatNo moat
Filings as ofFY2025FY2025FY2025FY2025
LH vs ARQT vs ARDX vs CTSO — Moat Score Comparison · Buy Like Buffett