The Moat Index

Compare moats, side by side.

Two to four companies, scored on the same four filters from their SEC filings — so the comparison is apples to apples. The method is fully public.

Brunswick Corporation

BC · Industrials · Shallow moat

Shallow moat

Doesn't clear the bar

RBC BEARINGS INCORPORATED

RBC · Industrials · Shallow moat

Shallow moat

Doesn't clear the bar

Smith & Wesson Brands, Inc.

SWBI · Industrials · Shallow moat

Shallow moat

Doesn't clear the bar

DOUGLAS DYNAMICS, INC

PLOW · Industrials · Shallow moat

Shallow moat

Doesn't clear the bar

Measure	BC	RBC	SWBI	PLOW
Moat Score (0–100)	54 (highest)	54 (highest)	54 (highest)	52
Pricing power	43	64 (highest)	38	41
Returns on capital	93 (highest)	23	48	56
Balance-sheet safety	0	80	100 (highest)	78
Capital discipline	64 (highest)	60	40	39
Margin of safety	12% above value (highest margin of safety)	335% above value	62% above value	21% above value
Market cap	$5.2B	$18.8B	$662.8M	$1.0B
Moat tier	Shallow moat	Shallow moat	Shallow moat	Shallow moat
Filings as of	FY2025	FY2026	FY2026	FY2025

Scores reflect business quality, not buy/sell signals. Educational only — not investment advice, and not a recommendation on any company shown. See the methodology and disclaimer.