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.

TWST · Healthcare · No moat

26/ 100
No moat

Doesn't clear the bar

QCLS · Healthcare · No moat

27/ 100
No moat

Doesn't clear the bar

OPCH · Healthcare · No moat

26/ 100
No moat

Doesn't clear the bar

BNGO · Healthcare · No moat

26/ 100
No moat

Doesn't clear the bar

MeasureTWSTQCLSOPCHBNGO
Moat Score (0–100)2627 (highest)2626
Pricing power34 (highest)223319
Returns on capital0016 (highest)0
Balance-sheet safety55 (highest)55 (highest)3455 (highest)
Capital discipline2444 (highest)2444 (highest)
Margin of safetyNo price dataNo price data19% below valueNo price data
Market cap$5.7B$26.5M$3.4B$12.4M
Moat tierNo moatNo moatNo moatNo moat
Filings as ofFY2025FY2025FY2025FY2025