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Allison Transmission Holdings, Inc. (ALSN)

Allison Transmission Holdings, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Allison Transmission Holdings, Inc. (ALSN) is a Auto - Parts company based in US with a market capitalization of $9.5B. Revenue declined 6.7% year-over-year and the company generated $649M in free cash flow. This page tracks ALSN's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 4K employees · IPO Mar 15, 2012

Valuation

Valuation & price

$116.99 · as of May 17, 2026 · -14.0% vs 52w high

16.0

P/E ratio

Latest-FY diluted EPS

5.11

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$136$107$79.40Jul 25Dec 25Jul 26Jul 7, 25$95.06Jul 9, 25$94.85Jul 11, 25$91.53Jul 15, 25$89.55Jul 17, 25$88.92Jul 21, 25$85.58Jul 23, 25$88.08Jul 25, 25$89.44Jul 29, 25$88.30Jul 31, 25$90.07Aug 4, 25$88.00Aug 6, 25$88.27Aug 11, 25$88.25Aug 13, 25$90.70Aug 15, 25$87.00Aug 19, 25$87.79Aug 21, 25$86.45Aug 25, 25$88.36Aug 27, 25$89.20Aug 29, 25$87.31Sep 3, 25$88.00Sep 5, 25$90.02Sep 9, 25$88.58Sep 11, 25$90.50Sep 16, 25$87.68Sep 18, 25$89.03Sep 22, 25$88.38Sep 24, 25$86.82Sep 26, 25$85.68Sep 30, 25$84.88Oct 2, 25$86.54Oct 6, 25$84.74Oct 8, 25$82.91Oct 10, 25$79.47Oct 14, 25$82.13Oct 16, 25$81.73Oct 21, 25$82.50Oct 23, 25$83.25Oct 27, 25$83.40Oct 29, 25$81.59Oct 31, 25$82.55Nov 4, 25$79.40Nov 6, 25$81.47Nov 10, 25$82.78Nov 12, 25$82.05Nov 14, 25$81.73Nov 18, 25$79.70Nov 20, 25$81.25Nov 25, 25$87.84Nov 28, 25$88.66Dec 2, 25$89.32Dec 4, 25$90.45Dec 8, 25$95.08Dec 10, 25$98.15Dec 12, 25$99.84Dec 16, 25$98.69Dec 18, 25$99.29Dec 22, 25$100.75Dec 24, 25$100.80Dec 29, 25$99.85Jan 2, 26$98.94Jan 6, 26$101.58Jan 8, 26$102.18Jan 12, 26$105.34Jan 14, 26$107.98Jan 16, 26$110.20Jan 21, 26$110.96Jan 23, 26$109.57Jan 27, 26$110.95Jan 29, 26$111.56Feb 2, 26$110.24Feb 4, 26$114.20Feb 9, 26$114.97Feb 11, 26$116.45Feb 13, 26$117.79Feb 18, 26$116.97Feb 20, 26$118.85Feb 24, 26$121.99Feb 26, 26$124.81Mar 2, 26$126.91Mar 4, 26$126.94Mar 6, 26$116.94Mar 10, 26$114.64Mar 12, 26$113.11Mar 17, 26$114.21Mar 19, 26$112.19Mar 23, 26$114.66Mar 25, 26$118.97Mar 27, 26$114.46Mar 31, 26$117.06Apr 2, 26$117.06Apr 7, 26$117.28Apr 9, 26$127.48Apr 13, 26$129.60Apr 15, 26$125.82Apr 17, 26$128.50Apr 22, 26$133.04Apr 24, 26$135.51Apr 28, 26$130.02Apr 30, 26$134.35May 4, 26$129.04May 6, 26$127.70May 8, 26$124.18May 12, 26$119.80May 14, 26$122.35May 18, 26$114.06May 20, 26$108.35May 22, 26$109.87May 28, 26$113.52Jun 1, 26$111.67Jun 3, 26$119.05Jun 5, 26$115.75Jun 9, 26$117.91Jun 11, 26$115.52Jun 15, 26$119.47Jun 17, 26$118.86Jun 22, 26$121.12Jun 24, 26$119.68Jun 26, 26$119.84Jul 2, 26$116.37
$79.2752-week range$136.00
Loading valuation history…

Fundamentals

Key fundamentals

$9.5B

Market cap

-6.7%

Revenue growth (YoY)

48.4%

Gross margin

$649M

Free cash flow (USD)

$1.4B

Net debt

-3.5%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Consumer Cyclical

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$1.8BFY 2017$2.3BFY 2018$2.7BFY 2019$2.7BFY 2020$2.1BFY 2021$2.4BFY 2022$2.8BFY 2023$3.0BFY 2024$3.2BFY 2025$3.0B
$1.8B$3B

Free cash flow by year

2016 → 2025

FY 2016$520.2MFY 2017$567.0MFY 2018$737.0MFY 2019$675.0MFY 2020$446.0MFY 2021$460.0MFY 2022$490.0MFY 2023$659.0MFY 2024$658.0MFY 2025$649.0M
$520.2M$649M

Gross margin by year

2021 → 2025

FY 202147.7%FY 202246.8%FY 202348.4%FY 202447.4%FY 202548.4%
47.7%48.4%

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 May 7, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventDebt RefinancingJun 16, 2026Filing
  • Insider sellInsider Sell $284KMell Scott A · CFO & Treasurer · $283.8KMay 11, 2026Filing
  • 8-K eventAnnual Meeting ResultsMay 8, 2026Filing
  • Quarterly report10-Q FiledMay 7, 2026Filing
  • 8-K eventEarnings ReleaseMay 4, 2026Filing

Questions

Frequently asked questions

What is Allison Transmission Holdings, Inc.'s market cap?

Allison Transmission Holdings, Inc. (ALSN) has a market capitalization of $9.5B.

What is ALSN's P/E ratio?

ALSN trades at a price-to-earnings ratio of 16.0, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

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

ALSN trades at 5.11 times book value per share.

Are insiders buying ALSN stock?

SEC Form 4 filings show no open-market insider buys at Allison Transmission Holdings, 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

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News

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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.