The Moat Index

Compare moats, side by side.

Two to four companies, scored on the same five investor questions 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.

CHRS · Healthcare · Shallow moat

Shallow moat

Doesn't clear the bar

The returnsOnCapital component abstained: Not enough years of ROIC data to score returns on capital. The other four 20% weights were renormalized over the scored 80%.

MLAB · Healthcare · Shallow moat

Shallow moat

Doesn't clear the bar

NEPH · Healthcare · Shallow moat

Shallow moat

Doesn't clear the bar

GEHC · Healthcare · Shallow moat

Shallow moat

Doesn't clear the bar

MeasureCHRSMLABNEPHGEHC
Moat Score (0–100)50 (highest)50 (highest)50 (highest)50 (highest)
Methodology versionmoat-index@2.0.0moat-index@2.0.0moat-index@2.0.0moat-index@2.0.0
Business trend74 (highest)685754
Pricing power7498 (highest)9270
Returns on capital0463 (highest)
Balance-sheet safety284273 (highest)41
Capital discipline2443 (highest)2421
Price vs. high estimateNo price data32% above high estimateNo price dataNo price data
Market cap$172.0M$534.1M$39.2M
Moat tierShallow moatShallow moatShallow moatShallow moat
Filings as ofFY2025FY2026FY2025FY2025