# Lennox International Inc: overview

LII · NYSE · CIK 1069202 · [Industrials](/sectors/industrials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/lii.md) · [Financials](/companies/lii/financials.md) · [Filings](/companies/lii/filings.md) · [Insiders](/companies/lii/insiders.md)

Latest reported revenue: [$1.14bn](/filings/0001069202-26-000054.md) for Q1 FY2026, three months to 2026-03-31, from the 10-Q filed Apr 29, 2026 (XBRL us-gaap:Revenues, accession 0001069202-26-000054).

## Last eight quarters

| Line item | Unit | Q2 FY2024 (2024-06-30) | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [1,451](/filings/0001069202-25-000032.md) | [1,498](/filings/0001069202-25-000048.md) | [1,345 d](/filings/0001069202-26-000028.md) | [1,073](/filings/0001069202-26-000054.md) | [1,501](/filings/0001069202-26-000028.md) | [1,427](/filings/0001069202-26-000028.md) | [1,195](/filings/0001069202-26-000028.md) | [1,135](/filings/0001069202-26-000054.md) |
| Gross margin | % | [33.6%](/filings/0001069202-25-000032.md) | [32.6%](/filings/0001069202-25-000048.md) | [34.3% d](/filings/0001069202-26-000028.md) | [31.8%](/filings/0001069202-26-000054.md) | [34.5%](/filings/0001069202-26-000028.md) | [34.1%](/filings/0001069202-26-000028.md) | [32.6%](/filings/0001069202-26-000028.md) | [30.9%](/filings/0001069202-26-000054.md) |
| Operating margin | % | [22.1%](/filings/0001069202-25-000032.md) | [20.2%](/filings/0001069202-25-000048.md) | [18.6% d](/filings/0001069202-26-000028.md) | [15.7%](/filings/0001069202-26-000054.md) | [23.3%](/filings/0001069202-26-000028.md) | [23.0%](/filings/0001069202-26-000028.md) | [16.4%](/filings/0001069202-26-000028.md) | [14.4%](/filings/0001069202-26-000054.md) |
| Net margin | % | [16.9%](/filings/0001069202-25-000032.md) | [16.0%](/filings/0001069202-25-000048.md) | [15.0% d](/filings/0001069202-26-000028.md) | [12.1%](/filings/0001069202-26-000054.md) | [18.2%](/filings/0001069202-26-000028.md) | [18.2%](/filings/0001069202-26-000028.md) | [11.9%](/filings/0001069202-26-000028.md) | [10.3%](/filings/0001069202-26-000054.md) |
| Diluted EPS | $ per share | [6.87](/filings/0001069202-25-000032.md) | [6.68](/filings/0001069202-25-000048.md) | not reported | [3.63](/filings/0001069202-26-000054.md) | [7.71](/filings/0001069202-26-000028.md) | [7.38](/filings/0001069202-26-000028.md) | [4.07](/filings/0001069202-26-000028.md) | [3.35](/filings/0001069202-26-000054.md) |
| Free cash flow | $m | [151 d](/filings/0001069202-25-000032.md) | [411 d](/filings/0001069202-25-000048.md) | [272 d](/filings/0001069202-26-000028.md) | [(61.3)](/filings/0001069202-26-000054.md) | [58.3 d](/filings/0001069202-25-000032.md) | [265 d](/filings/0001069202-25-000048.md) | [377 d](/filings/0001069202-26-000028.md) | [(39.4)](/filings/0001069202-26-000054.md) |

- Revenue. XBRL Revenue: us-gaap:Revenues. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:Revenues. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:Revenues. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:Revenues. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 6-month figure less the 3-month figure; 9-month figure less the 6-month figure; 12-month figure less the 9-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [4,194](/filings/0001628280-24-004446.md) | [4,718](/filings/0001628280-25-004859.md) | [4,982](/filings/0001069202-26-000028.md) | [5,341](/filings/0001069202-26-000028.md) | [5,195](/filings/0001069202-26-000028.md) |
| Gross margin | % | [28.3%](/filings/0001628280-24-004446.md) | [27.2%](/filings/0001628280-25-004859.md) | [31.1%](/filings/0001069202-26-000028.md) | [33.3%](/filings/0001069202-26-000028.md) | [33.4%](/filings/0001069202-26-000028.md) |
| Operating margin | % | [14.1%](/filings/0001628280-24-004446.md) | [13.9%](/filings/0001628280-25-004859.md) | [15.9%](/filings/0001069202-26-000028.md) | [19.5%](/filings/0001069202-26-000028.md) | [20.0%](/filings/0001069202-26-000028.md) |
| Net margin | % | [11.1%](/filings/0001628280-24-004446.md) | [10.5%](/filings/0001628280-25-004859.md) | [11.9%](/filings/0001069202-26-000028.md) | [15.2%](/filings/0001069202-26-000028.md) | [15.5%](/filings/0001069202-26-000028.md) |
| Diluted EPS | $ per share | [12.39](/filings/0001628280-24-004446.md) | [13.88](/filings/0001628280-25-004859.md) | [16.58](/filings/0001069202-26-000028.md) | [22.66](/filings/0001069202-26-000028.md) | [22.79](/filings/0001069202-26-000028.md) |
| Free cash flow | $m | [409](/filings/0001628280-24-004446.md) | [201](/filings/0001628280-25-004859.md) | [486](/filings/0001069202-26-000028.md) | [782](/filings/0001069202-26-000028.md) | [639](/filings/0001069202-26-000028.md) |

- Revenue. XBRL Revenue: us-gaap:Revenues.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:Revenues.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:Revenues.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:Revenues.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/lii/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $1.70bn | 2,975,559 |  | Added +3,913 |
| [Capital International Investors](/funds/1562230.md) | 2026-06-30 | $1.42bn | 2,482,381 |  | Reduced −380,155 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $1.18bn | 2,057,463 |  | Added +3,132 |
| [VIKING GLOBAL INVESTORS LP](/funds/1103804.md) | 2026-06-30 | $911.5m | 1,590,959 |  | Added +18,540 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $852.2m | 1,483,993 |  | Added +46,576 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $811.0m | 1,415,531 |  | Reduced −17,100 |
| [MORGAN STANLEY](/funds/895421.md) | 2026-06-30 | $580.9m | 1,013,833 |  | Reduced −75,387 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $492.8m | 863,378 |  | Reduced −36,798 |
| [KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC](/funds/1021223.md) | 2026-06-30 | $423.9m | 739,856 |  | Reduced −135,312 |
| [MILLENNIUM MANAGEMENT LLC](/funds/1273087.md) | 2026-06-30 | $391.6m | 683,440 |  | Added +500,274 |

## Recent filings

[All 2,148 filings](/companies/lii/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-28 | 15:57 ET | [10-Q](/filings/0001069202-26-000096.md) | Quarterly report, period 2026-09-30 | 0001069202-26-000096 |
| 2026-10-28 | 06:49 ET | [8-K](/filings/0001069202-26-000094.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001069202-26-000094 |
| 2026-09-18 | 16:54 ET | [8-K](/filings/0001069202-26-000091.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001069202-26-000091 |
| 2026-07-29 | 15:15 ET | [10-Q](/filings/0001069202-26-000087.md) | Quarterly report, period 2026-06-30 | 0001069202-26-000087 |
| 2026-07-29 | 06:51 ET | [8-K](/filings/0001069202-26-000085.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001069202-26-000085 |
| 2026-05-28 | 14:58 ET | [8-K](/filings/0001069202-26-000076.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results | 0001069202-26-000076 |
| 2026-04-29 | 14:26 ET | [10-Q](/filings/0001069202-26-000054.md) | Quarterly report, period 2026-03-31 | 0001069202-26-000054 |
| 2026-04-29 | 06:52 ET | [8-K](/filings/0001069202-26-000052.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001069202-26-000052 |
| 2026-04-08 | 12:02 ET | [DEF 14A](/filings/0001069202-26-000046.md) | Proxy statement, period 2026-05-21 | 0001069202-26-000046 |
| 2026-02-17 | 16:17 ET | [10-K](/filings/0001069202-26-000028.md) | Annual report, period 2025-12-31 | 0001069202-26-000028 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001069202-26-000028.md), filed Feb 17, 2026.

## Forecast league

Not in this season’s league. [This season’s league](/leagues.md)

## About the filer

- CIK: 1069202
- Tickers: LII
- Exchange: NYSE
- SIC code: 3585 Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
- State of incorporation: DE
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 30, 2026, 11:17 ET. No prices; not investment advice.