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.
SI · Healthcare · 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%.
CARL · Healthcare · 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%.
| Measure | SI | AMGN | NBIX | CARL |
|---|---|---|---|---|
| Moat Score (0–100) | 67 (highest) | 67 (highest) | 67 (highest) | 67 (highest) |
| Methodology version | moat-index@2.0.0 | moat-index@2.0.0 | moat-index@2.0.0 | moat-index@2.0.0 |
| Business trend | 70 | 85 (highest) | 74 | 70 |
| Pricing power | 100 (highest) | 93 | 100 (highest) | 100 (highest) |
| Returns on capital | — | 80 (highest) | 39 | — |
| Balance-sheet safety | 55 | 14 | 100 (highest) | 55 |
| Capital discipline | 44 | 65 (highest) | 24 | 44 |
| Price vs. high estimate | No price data | 32% above high estimate (largest discount to high estimate) | 362% above high estimate | No price data |
| Market cap | $432.9M | $196.2B | $17.3B | $301.4M |
| Moat tier | Narrow moat | Narrow moat | Narrow moat | Narrow moat |
| Filings as of | FY2025 | FY2025 | FY2025 | FY2025 |