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Lennox International Inc. (LII)

Lennox International Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Lennox International Inc. (LII) is a Construction company based in US with a market capitalization of $17.6B. Revenue declined 2.7% year-over-year and the company generated $638.8M in free cash flow. This page tracks LII's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 5.4K employees · IPO Jul 29, 1999

Valuation

Valuation & price

$499.99 · as of May 17, 2026 · -24.8% vs 52w high

22.3

P/E ratio

Latest-FY diluted EPS

15.16

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$661$549$438Jul 25Dec 25Jul 26Jul 7, 25$592.09Jul 9, 25$602.38Jul 11, 25$616.85Jul 15, 25$604.22Jul 17, 25$611.85Jul 21, 25$601.03Jul 23, 25$660.80Jul 25, 25$660.82Jul 29, 25$639.52Jul 31, 25$609.00Aug 4, 25$600.48Aug 6, 25$594.93Aug 11, 25$582.36Aug 13, 25$611.69Aug 15, 25$591.66Aug 19, 25$613.47Aug 21, 25$570.64Aug 25, 25$570.54Aug 27, 25$567.00Aug 29, 25$557.86Sep 3, 25$545.04Sep 5, 25$578.05Sep 9, 25$558.08Sep 11, 25$567.28Sep 16, 25$550.40Sep 18, 25$541.74Sep 22, 25$533.83Sep 24, 25$522.44Sep 26, 25$521.94Sep 30, 25$529.36Oct 2, 25$546.61Oct 6, 25$553.60Oct 8, 25$554.58Oct 10, 25$524.50Oct 14, 25$530.84Oct 16, 25$523.94Oct 21, 25$548.99Oct 23, 25$494.99Oct 27, 25$502.22Oct 29, 25$487.78Oct 31, 25$505.00Nov 4, 25$492.16Nov 6, 25$491.00Nov 10, 25$489.42Nov 12, 25$476.95Nov 14, 25$471.50Nov 18, 25$455.54Nov 20, 25$444.26Nov 25, 25$484.16Nov 28, 25$498.87Dec 2, 25$487.29Dec 4, 25$504.73Dec 8, 25$503.43Dec 10, 25$505.78Dec 12, 25$505.76Dec 16, 25$492.43Dec 18, 25$494.01Dec 22, 25$495.48Dec 24, 25$497.23Dec 29, 25$496.58Jan 2, 26$498.91Jan 6, 26$519.85Jan 8, 26$516.62Jan 12, 26$533.25Jan 14, 26$525.25Jan 16, 26$525.87Jan 21, 26$516.42Jan 23, 26$509.76Jan 27, 26$498.80Jan 29, 26$496.11Feb 2, 26$495.29Feb 4, 26$534.53Feb 9, 26$529.29Feb 11, 26$557.51Feb 13, 26$566.65Feb 18, 26$553.89Feb 20, 26$561.01Feb 24, 26$558.32Feb 26, 26$544.41Mar 2, 26$563.40Mar 4, 26$550.67Mar 6, 26$517.47Mar 10, 26$511.86Mar 12, 26$482.30Mar 17, 26$486.98Mar 19, 26$477.21Mar 23, 26$476.96Mar 25, 26$481.68Mar 27, 26$437.87Mar 31, 26$464.13Apr 2, 26$454.64Apr 7, 26$450.65Apr 9, 26$488.68Apr 13, 26$517.88Apr 15, 26$484.29Apr 17, 26$487.11Apr 22, 26$489.76Apr 24, 26$490.97Apr 28, 26$495.52Apr 30, 26$534.89May 4, 26$514.86May 6, 26$541.37May 8, 26$521.25May 12, 26$508.55May 14, 26$514.38May 18, 26$501.41May 20, 26$493.33May 22, 26$484.64May 28, 26$497.02Jun 1, 26$496.77Jun 3, 26$515.30Jun 5, 26$508.43Jun 9, 26$529.04Jun 11, 26$517.03Jun 15, 26$524.17Jun 17, 26$516.11Jun 22, 26$536.04Jun 24, 26$551.75Jun 26, 26$563.87Jul 2, 26$570.03
$437.8752-week range$664.54
Loading valuation history…

Fundamentals

Key fundamentals

$17.6B

Market cap

-2.7%

Revenue growth (YoY)

33.0%

Gross margin

$638.8M

Free cash flow (USD)

$2B

Net debt

-2.0%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Industrials

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$3.6BFY 2017$3.8BFY 2018$3.9BFY 2019$3.8BFY 2020$3.6BFY 2021$4.2BFY 2022$4.7BFY 2023$5.0BFY 2024$5.3BFY 2025$5.2B
$3.6B$5.2B

Free cash flow by year

2016 → 2025

FY 2016$270.2MFY 2017$226.8MFY 2018$400.3MFY 2019$290.5MFY 2020$533.9MFY 2021$408.7MFY 2022$201.2MFY 2023$486.0MFY 2024$782.1MFY 2025$638.8M
$270.2M$638.8M

Gross margin by year

2021 → 2025

FY 202128.3%FY 202227.2%FY 202331.1%FY 202433.2%FY 202533.0%
28.3%33.0%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

1

Insider sells · 90 days

Earnings

Last report: 10-Q filed Apr 29, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventDirector Resignation and Annual Meeting ResultsMay 28, 2026Filing
  • Insider sellInsider Sell $529KKosel Chris · VP-Corp Controller and CAO · $529KMay 7, 2026Filing
  • 8-K eventEarnings ReleaseApr 29, 2026Filing
  • Quarterly report10-Q FiledApr 29, 2026Filing

Questions

Frequently asked questions

What is Lennox International Inc.'s market cap?

Lennox International Inc. (LII) has a market capitalization of $17.6B.

What is LII's P/E ratio?

LII trades at a price-to-earnings ratio of 22.3, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is LII's price-to-book (P/B) ratio?

LII trades at 15.16 times book value per share.

Are insiders buying LII stock?

SEC Form 4 filings show no open-market insider buys at Lennox International Inc. in the last 90 days (1 sell).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.