Which is better, HEI or WMS?

On the Buffett-Fit framework, HEICO Corporation (HEI) currently grades higher than WMS — 62/100 (C grade) vs 53/100 (C). That said, "better" depends on which framework you trust — HEI wins on Warren Buffett, Benjamin Graham, Philip Fisher, Peter Lynch, Joel Greenblatt, and Terry Smith; WMS wins on none. The full pillar breakdown is on this page.

Should I buy HEI or WMS?

This page is an educational comparison, not investment advice. Both HEI and WMS are graded against the same Buffett 5-pillar framework (moat, earnings durability, management quality, financial health, valuation) plus six other documented investor frameworks. Read the side-by-side breakdown to see which one matches the criteria you care about most — and always do your own research before making any investment decision.

Is HEI better than WMS for value investing?

On the Buffett-style value-investing framework, HEI currently grades higher — 62/100 vs 53/100, a 9-point gap. The gap is driven by which pillars each stock passes; the table on this page shows moat, durability, management, financial health, and valuation side-by-side.

What's the difference between HEI and WMS on Warren Buffett's framework?

Both stocks are evaluated on the same five pillars: economic moat (durable competitive advantage), earnings durability (consistent profitability), management quality (capital allocation), financial health (conservative balance sheet), and valuation (margin of safety). HEI currently scores 62/100 (C grade); WMS scores 53/100 (C grade). The "Where each wins" section on this page breaks down which pillar each stock dominates.

Which has the stronger moat, HEI or WMS?

Moat strength is one of the five pillars in the Buffett-Fit score on this page. HEI and WMS are each scored on ROIC sustainability, gross-margin durability, and qualitative signals like brand strength, switching costs, network effects, and regulatory barriers. The pillar breakdown on this page shows the moat sub-score side-by-side so you can see which one has the more durable competitive advantage.

Which is more undervalued, HEI or WMS?

Valuation is one of the five Buffett-Fit pillars on this page. Both stocks are scored on owner-earnings yield, price-to-intrinsic-value vs the underlying compounding rate, and the margin of safety relative to a conservative DCF. The valuation sub-score in the table below tells you which one currently trades at a more attractive price relative to its underlying business quality.

Are HEI and WMS both Industrials stocks?

Yes — both HEICO Corporation (HEI) and Advanced Drainage Systems, Inc. (WMS) operate in the Industrials sector. That makes this a direct sector-peer comparison, which is the apples-to-apples way to use the Buffett-Fit framework: the score weighs each stock against its sector's specific quality and valuation benchmarks (sector-relative bonus), so the cross-stock comparison isn't distorted by inter-sector base-rate differences.

Is this HEI vs WMS comparison investment advice?

No. This page is an educational pattern-match against documented public frameworks (Buffett, Graham, Fisher, Lynch, Greenblatt, Munger, Smith), not personalised investment advice. The scores reflect how closely each stock matches each framework's documented criteria — they are not buy/hold/sell recommendations. Always do your own research and consult a licensed financial adviser for personalised advice.

Stock comparison

HEICO

Advanced Drainage Systems

Scored across Buffett, Graham, Lynch and Greenblatt - plus a side-by-side metric table covering valuation, quality, growth and balance sheet.

HEI

HEICO

Market cap

$40.79B

Sector

Industrials

WMS

Advanced Drainage Systems

Market cap

$11.2B

Sector

Industrials

Overall winner

HEICO HEI

Wins on the combined sum of fit scores across all four strategies. Per-strategy breakdown below.

Fit scores by strategy

Strategy	HEI	WMS	Winner
Warren Buffett	62C	53C	HEI
Benjamin Graham	84A	73B	HEI
Philip Fisher

Side-by-side metrics

Metric	HEI	WMS
Market cap	$40.79B	$11.2B
P/E (TTM)	57.3x	23.8x
EV/EBIT	42.2x	17.7x
ROIC (TTM)	10.6%	13.67%
Gross margin	40.24%	38.22%
Net margin	15.38%	15.75%
Revenue CAGR 5y	24.52%

Where each one wins

The metrics with the biggest gap between the two - sorted so the most decisive edges read first.

HEI leads on

Market cap$40.79Bvs $11.2B+73%
Revenue CAGR 5y24.52%vs 10.01%+59%
Debt / Equity0.6xvs 0.7x+23%
Gross margin40.24%vs 38.22%

More like HEI

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More like WMS

WMS vs CTAS

Related on invest-like

Strongest Moat Highest ROIC Warren Buffett strategy Economic Moat

Educational tool. Fit scores are deterministic projections from public financials onto each investor's published criteria - not personal recommendations or advice.