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.

CARL · 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%.

NBIX · Healthcare · Narrow moat

Narrow moat

On the watchlist

SI · 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%.

UHS · Healthcare · Narrow moat

Narrow moat

Wonderful & reasonably priced

The pricingPower component abstained: Not enough years of gross-margin data to score pricing power. The other four 20% weights were renormalized over the scored 80%.

MeasureCARLNBIXSIUHS
Moat Score (0–100)67 (highest)67 (highest)67 (highest)67 (highest)
Methodology versionmoat-index@2.0.0moat-index@2.0.0moat-index@2.0.0moat-index@2.0.0
Business trend70747096 (highest)
Pricing power100 (highest)100 (highest)100 (highest)
Returns on capital39 (highest)25
Balance-sheet safety55100 (highest)5558
Capital discipline44244488 (highest)
Price vs. high estimateNo price data362% above high estimateNo price data46% below high estimate (largest discount to high estimate)
Market cap$301.4M$17.3B$432.9M$9.7B
Moat tierNarrow moatNarrow moatNarrow moatNarrow moat
Filings as ofFY2025FY2025FY2025FY2025