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.

CTSO · 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

LH · Healthcare · No moat

39/ 100
No moat

Doesn't clear the bar

ALNY · Healthcare · No moat

39/ 100
No moat

Doesn't clear the bar

MeasureCTSOARDXLHALNY
Moat Score (0–100)39 (highest)39 (highest)39 (highest)39 (highest)
Pricing power96 (highest)96 (highest)4396 (highest)
Returns on capital0023 (highest)0
Balance-sheet safety282832 (highest)28
Capital discipline242465 (highest)24
Margin of safetyNo price dataNo price data87% above valueNo price data
Market cap$22.6M$1.3B$23.3B$35.4B
Moat tierNo moatNo moatNo moatNo moat
Filings as ofFY2025FY2025FY2025FY2025