# Allison Transmission Holdings Inc: overview

ALSN · NYSE · CIK 1411207 · [Consumer discretionary](/sectors/consumer-discretionary.md) · fiscal year ends Dec 31

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

Latest reported revenue: [$1.57bn](/filings/0001193125-26-334039.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 5, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001193125-26-334039).

## Last eight quarters

| Line item | Unit | 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) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [824](/filings/0001193125-25-257624.md) | [796 d](/filings/0001193125-26-065627.md) | [766](/filings/0001193125-26-211857.md) | [814](/filings/0001193125-26-334039.md) | [693](/filings/0001193125-25-257624.md) | [737 d](/filings/0001193125-26-065627.md) | [1,406](/filings/0001193125-26-211857.md) | [1,566](/filings/0001193125-26-334039.md) |
| Gross margin | % | [48.1%](/filings/0001193125-25-257624.md) | [46.9% d](/filings/0001193125-26-065627.md) | [49.3%](/filings/0001193125-26-211857.md) | [49.5%](/filings/0001193125-26-334039.md) | [47.5%](/filings/0001193125-25-257624.md) | [48.0% d](/filings/0001193125-26-065627.md) | [28.9%](/filings/0001193125-26-211857.md) | [32.9%](/filings/0001193125-26-334039.md) |
| Operating margin | % | [31.6%](/filings/0001193125-25-257624.md) | [29.5% d](/filings/0001193125-26-065627.md) | [32.5%](/filings/0001193125-26-211857.md) | [31.4%](/filings/0001193125-26-334039.md) | [29.4%](/filings/0001193125-25-257624.md) | [23.2% d](/filings/0001193125-26-065627.md) | [13.9%](/filings/0001193125-26-211857.md) | [18.6%](/filings/0001193125-26-334039.md) |
| Net margin | % | [24.3%](/filings/0001193125-25-257624.md) | [22.0% d](/filings/0001193125-26-065627.md) | [25.1%](/filings/0001193125-26-211857.md) | [24.0%](/filings/0001193125-26-334039.md) | [19.8%](/filings/0001193125-25-257624.md) | [13.4% d](/filings/0001193125-26-065627.md) | [8.0%](/filings/0001193125-26-211857.md) | [11.6%](/filings/0001193125-26-334039.md) |
| Diluted EPS | $ per share | [2.27](/filings/0001193125-25-257624.md) | not reported | [2.23](/filings/0001193125-26-211857.md) | [2.29](/filings/0001193125-26-334039.md) | [1.63](/filings/0001193125-25-257624.md) | not reported | [1.33](/filings/0001193125-26-211857.md) | [2.15](/filings/0001193125-26-334039.md) |
| Free cash flow | $m | [210 d](/filings/0001193125-25-257624.md) | [136 d](/filings/0001193125-26-065627.md) | [155](/filings/0001193125-26-211857.md) | [153 d](/filings/0001193125-26-334039.md) | [184 d](/filings/0001193125-25-257624.md) | [169 d](/filings/0001193125-26-065627.md) | [103](/filings/0001193125-26-211857.md) | [281 d](/filings/0001193125-26-334039.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 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: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-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 | [2,402](/filings/0000950170-24-015192.md) | [2,769](/filings/0000950170-25-019379.md) | [3,035](/filings/0001193125-26-065627.md) | [3,225](/filings/0001193125-26-065627.md) | [3,010](/filings/0001193125-26-065627.md) |
| Gross margin | % | [47.7%](/filings/0000950170-24-015192.md) | [46.8%](/filings/0000950170-25-019379.md) | [48.4%](/filings/0001193125-26-065627.md) | [47.4%](/filings/0001193125-26-065627.md) | [48.6%](/filings/0001193125-26-065627.md) |
| Operating margin | % | [27.9%](/filings/0000950170-24-015192.md) | [28.3%](/filings/0000950170-25-019379.md) | [30.3%](/filings/0001193125-26-065627.md) | [30.8%](/filings/0001193125-26-065627.md) | [29.2%](/filings/0001193125-26-065627.md) |
| Net margin | % | [18.4%](/filings/0000950170-24-015192.md) | [19.2%](/filings/0000950170-25-019379.md) | [22.2%](/filings/0001193125-26-065627.md) | [22.7%](/filings/0001193125-26-065627.md) | [20.7%](/filings/0001193125-26-065627.md) |
| Diluted EPS | $ per share | [4.13](/filings/0000950170-24-015192.md) | [5.53](/filings/0000950170-25-019379.md) | [7.40](/filings/0001193125-26-065627.md) | [8.31](/filings/0001193125-26-065627.md) | [7.33](/filings/0001193125-26-065627.md) |
| Free cash flow | $m | [460](/filings/0000950170-24-015192.md) | [490](/filings/0000950170-25-019379.md) | [659](/filings/0001193125-26-065627.md) | [658](/filings/0001193125-26-065627.md) | [661](/filings/0001193125-26-065627.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- 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/alsn/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 |
| --- | --- | ---: | ---: | --- | --- |
| [FMR LLC](/funds/315066.md) | 2026-06-30 | $1.40bn | 12,417,518 |  | Reduced −33,393 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $449.3m | 3,985,544 |  | Reduced −203,367 |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $448.2m | 3,975,802 |  | Added +187,009 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $421.9m | 3,742,337 |  | Added +28,642 |
| [Boston Partners](/funds/1386060.md) | 2026-06-30 | $358.2m | 3,176,528 |  | Added +319,918 |
| [FULLER & THALER ASSET MANAGEMENT, INC.](/funds/1082327.md) | 2026-06-30 | $295.6m | 2,622,104 |  | Reduced −772,531 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $228.7m | 2,027,981 |  | Reduced −176,287 |
| [RENAISSANCE TECHNOLOGIES LLC](/funds/1037389.md) | 2026-06-30 | $218.6m | 1,938,997 |  | Reduced −321,400 |
| [DIMENSIONAL FUND ADVISORS LP](/funds/354204.md) | 2026-06-30 | $216.2m | 1,917,523 |  | Added +15,663 |
| [LONDON CO OF VIRGINIA](/funds/1259887.md) | 2026-06-30 | $205.7m | 1,824,581 |  | Reduced −80,692 |

## Recent filings

[All 2,411 filings](/companies/alsn/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-05 | 09:13 ET | [10-Q](/filings/0001193125-26-334039.md) | Quarterly report, period 2026-06-30 | 0001193125-26-334039 |
| 2026-08-03 | 16:05 ET | [8-K](/filings/0001193125-26-330544.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-330544 |
| 2026-06-16 | 16:14 ET | [8-K](/filings/0001193125-26-272602.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-272602 |
| 2026-05-08 | 16:15 ET | [8-K](/filings/0001193125-26-214675.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results | 0001193125-26-214675 |
| 2026-05-07 | 16:04 ET | [10-Q](/filings/0001193125-26-211857.md) | Quarterly report, period 2026-03-31 | 0001193125-26-211857 |
| 2026-05-04 | 16:41 ET | [8-K](/filings/0001193125-26-204146.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-204146 |
| 2026-03-25 | 16:06 ET | [DEF 14A](/filings/0001140361-26-011093.md) | Proxy statement, period 2026-05-06 | 0001140361-26-011093 |
| 2026-03-16 | 18:01 ET | [8-K/A](/filings/0001193125-26-106549.md) | 9.01 Financial statements and exhibits | 0001193125-26-106549 |
| 2026-02-24 | 09:28 ET | [10-K](/filings/0001193125-26-065627.md) | Annual report, period 2025-12-31 | 0001193125-26-065627 |
| 2026-02-23 | 16:10 ET | [8-K](/filings/0001193125-26-063975.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-063975 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001193125-26-065627.md), filed Feb 24, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/37574a04-c525-4d4d-96e5-3e4abbc77f5a)

## About the filer

- CIK: 1411207
- Tickers: ALSN
- Exchange: NYSE
- SIC code: 3714 Motor Vehicle Parts & Accessories
- 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 24, 2026, 15:39 ET. No prices; not investment advice.