The Moat Index

3M COMPANY

MMM · scored from FY2025 filings · Narrow moat

On the watchlist

71/ 100
Narrow moat

The four filters

Pricing power72

Median gross margin 46.8% over 10y, stable.

Returns on capital97

Median ROIC 22.0%, above the 9% hurdle in 90% of years.

Balance-sheet safety59

Net debt/EBITDA 1.2x, interest coverage 10x.

Capital discipline45

Owner earnings -3.7%/yr, share count shrinking (buybacks).

Margin of safety

Above valueOn sale
No price data
Owner earnings (normalized)
$4.4B
Est. intrinsic value / share
$91.25
Recent price
Discount to value
No price data

Conservative model: 9% discount rate, 0% assumed growth (capped at 4%), maintenance capex ≈ min(capex, D&A).

Moat Score history

Moat Score over time · 2 readings since 2026-07-17

Scores are logged append-only and never overwritten — this record can't be backfilled, which is exactly why it's worth keeping.

3M COMPANY (MMM) Moat Score — The Moat Index · Buy Like Buffett