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.

ENERSYS

ENS · Technology · Shallow moat

Shallow moat

Doesn't clear the bar

ZETA GLOBAL HOLDINGS CORP.

ZETA · Technology · Shallow moat

Shallow moat

Doesn't clear the bar

CLEARFIELD, INC.

CLFD · Technology · Shallow moat

Shallow moat

Doesn't clear the bar

SUPER MICRO COMPUTER, INC.

SMCI · Technology · Shallow moat

Shallow moat

Doesn't clear the bar

Measure	ENS	ZETA	CLFD	SMCI
Moat Score (0–100)	56 (highest)	56 (highest)	56 (highest)	55
Pricing power	38	100 (highest)	53	19
Returns on capital	54	0	35	58 (highest)
Balance-sheet safety	54	86	100 (highest)	100 (highest)
Capital discipline	86 (highest)	44	48	60
Margin of safety	45% above value	No price data	85% above value	25% above value (highest margin of safety)
Market cap	$7.2B	$4.8B	$424.0M	$14.4B
Moat tier	Shallow moat	Shallow moat	Shallow moat	Shallow moat
Filings as of	FY2026	FY2025	FY2025	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.