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.

OGN · Healthcare · No moat

No 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%.

TWST · Healthcare · No moat

No moat

Doesn't clear the bar

ATRA · Healthcare · No moat

No moat

Doesn't clear the bar

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%.

AEHR · Healthcare · No moat

No moat

Doesn't clear the bar

MeasureOGNTWSTATRAAEHR
Moat Score (0–100)36 (highest)36 (highest)36 (highest)35
Methodology versionmoat-index@3.0.0moat-index@3.0.0moat-index@3.0.0moat-index@3.0.0
Business trend346572 (highest)29
Pricing power93 (highest)3455
Returns on capital0014 (highest)
Balance-sheet safety055 (highest)4655 (highest)
Capital allocation1524 (highest)24 (highest)24 (highest)
67% below value if growth stopped today (largest discount to value if growth stopped today)No price dataNo price data2568% above value if growth stopped today
Market cap$3.6B$7.6B$71.5M$2.8B
Moat tierNo moatNo moatNo moatNo moat
Filing dateFY2025FY2025FY2025FY2026