Which is better, LII or WMS?

On the Buffett-Fit framework, Lennox International Inc. (LII) currently grades higher than WMS — 64/100 (C grade) vs 53/100 (C). That said, "better" depends on which framework you trust — LII wins on Warren Buffett and Joel Greenblatt; WMS wins on Benjamin Graham, Philip Fisher, and Peter Lynch. The full pillar breakdown is on this page.

Should I buy LII or WMS?

This page is an educational comparison, not investment advice. Both LII 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 LII better than WMS for value investing?

On the Buffett-style value-investing framework, LII currently grades higher — 64/100 vs 53/100, a 11-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 LII 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). LII currently scores 64/100 (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, LII or WMS?

Moat strength is one of the five pillars in the Buffett-Fit score on this page. LII 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, LII 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 LII and WMS both Industrials stocks?

Yes — both Lennox International Inc. (LII) 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 LII 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

Lennox International

Advanced Drainage Systems

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

LII

Market cap

$17.4B

Sector

Industrials

WMS

Advanced Drainage Systems

Market cap

$11.2B

Sector

Industrials

Overall winner

Lennox International LII

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

Fit scores by strategy

Strategy	LII	WMS	Winner
Warren Buffett	64C	53C	LII
Benjamin Graham	67B	73B	WMS
Philip Fisher	48D	57C	WMS
Peter Lynch	45D	47D	WMS
Joel Greenblatt	45D	34F	LII
Charlie Munger	56C	56C	Tie
Terry Smith	48D	48D	Tie

Side-by-side metrics

Metric	LII	WMS
Market cap	$17.4B	$11.2B
P/E (TTM)	22.2x	23.8x
EV/EBIT	19.0x	17.7x
ROIC (TTM)	23.93%	13.67%
Gross margin	33.06%	38.22%
Net margin	14.89%	15.75%
Revenue CAGR 5y	5.5%	10.01%
EPS CAGR 5y	15.65%	21.8%
Debt / Equity	1.6x	0.7x
Dividend yield	1.04%	0.5%

Where each one wins

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

LII leads on

Dividend yield1.04%vs 0.5%+52%
ROIC (TTM)23.93%vs 13.67%+43%
Market cap$17.4Bvs $11.2B+36%
P/E (TTM)22.2xvs 23.8x+6%

WMS leads on

Debt / Equity0.7xvs 1.6x+55%
Revenue CAGR 5y10.01%vs 5.5%+45%
EPS CAGR 5y21.8%vs 15.65%+28%
Gross margin38.22%vs 33.06%+14%

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

Lennox International

Advanced Drainage Systems

Fit scores by strategy

Side-by-side metrics

Where each one wins

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Key terms in this analysis