ALSN Stock Summary and Trading Ideas (Allison Transmission Holdings | NYSE:ALSN)

Allison Transmission is the largest manufacturer of fully automatic transmissions for medium- and heavy-duty commercial vehicles. Its automatic transmissions allow customers to achieve better fuel and operator efficiency than less expensive manual and automated manual transmissions. Allison serves several end markets, including on- and off-highway equipment and military vehicles. Its on-highway business commands approximately 60% global market share. The company's transmissions can be found in Class 4-8 trucks, buses, and a limited number of large passenger vehicles (heavy-duty pickup trucks and motorhomes). Allison also produces commercial hybrid propulsion systems and is developing fully electric powertrains.

Allison Transmission Holdings trades on the NYSE stock market under the symbol ALSN.

As of September 8, 2026, ALSN stock price declined to $130.48 with 328,073 million shares trading.

ALSN has a beta of 0.34, meaning it tends to be less sensitive to market movements. ALSN has a correlation of 0.02 to the broad based SPY ETF.

ALSN has a market cap of $10.85 billion. This is considered a Large Cap stock.

Last quarter Allison Transmission Holdings reported $860 million in Revenue and $2.15 earnings per share. This fell short of revenue expectation by $-643 million and missed earnings estimates by -$.41.

In the last 3 years, ALSN traded as high as $137.62 and as low as $50.14.

The top ETF exchange traded funds that ALSN belongs to (by Net Assets): IJH, VTI, VB, VBR, RDVY.

ALSN has outperformed the market in the last year with a return of +47.5%, while the SPY ETF gained +19.4%. In the last 3 month period, ALSN beat the market returning +10.5%, while SPY returned +1.6%. However, in the most recent 2 weeks ALSN has underperformed the stock market by returning -2.1%, while SPY returned +0.2%.

ALSN support price is $128.22 and resistance is $134.26 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that ALSN shares will trade within this expected range on the day.