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.

BSX · Healthcare · Narrow moat

Narrow moat

On the watchlist

TECH · Healthcare · Narrow moat

Narrow moat

On the watchlist

MDNC · Healthcare · Narrow moat

Narrow moat

On the watchlist

The businessTrend component abstained: Fewer than two aligned fiscal years of revenue and diluted EPS are available; the filing history does not contain a measurable trend. The other four 20% weights were renormalized over the scored 80%.

BBNX · Healthcare · Narrow moat

Narrow moat

On the watchlist

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%.

MeasureBSXTECHMDNCBBNX
Moat Score (0–100)65 (highest)65 (highest)65 (highest)65 (highest)
Methodology versionmoat-index@3.0.0moat-index@3.0.0moat-index@3.0.0moat-index@3.0.0
Business trend95 (highest)45—60
Pricing power100 (highest)100 (highest)8492
Returns on capital624100 (highest)—
Balance-sheet safety50100 (highest)5455
Capital allocation75 (highest)582454
No price data307% above value if growth stopped todayNo price dataNo price data
Market capNot reported$11.3BNot reported$748M
Moat tierNarrow moatNarrow moatNarrow moatNarrow moat
Filing dateFY2025FY2026FY2026FY2025