Allison Transmission
ALSN
$109.11
-1.49%
Allison Transmission Holdings, Inc. is the world's largest manufacturer of fully automatic transmissions for medium- and heavy-duty commercial vehicles, serving on-highway (Class 4-8 trucks, buses, motorhomes), off-highway, and defense end markets, and is also developing commercial hybrid and fully electric propulsion systems. The company's defining competitive feature is its dominant position in its core on-highway market, where it commands roughly 60% global share, supported by deep OEM integration, a large installed base that drives recurring service-parts demand, and a reputation for durability and fuel efficiency that manual and automated manual transmissions struggle to match. The current investor debate centers on a tug-of-war between resilient aftermarket and defense demand — reflected in mid-single-digit revenue growth and a 48% gross margin — and concerns about cyclical Class 4-8 truck production, the pace of the electric-powertrain transition, and a balance sheet that was reshaped by a large Q1 2026 acquisition and debt repayment. With the stock up roughly 36% over the past year but down about 7% in the last month, the narrative has shifted from momentum leadership toward questions about whether peak margins and a heavy debt load can be sustained through a softer freight environment.…
ALSN
Allison Transmission
$109.11
Investment Opinion: Should I buy ALSN Today?
The synthesized recommendation is Hold. The core thesis is that Allison's dominant market position, high margins, and strong free cash flow are offset by cyclical headwinds, elevated leverage, and margin compression, leaving a balanced risk/reward at the current price of $117.97. The analyst consensus is Buy with a mean rating of 2.27 and an average target of $140.73, implying 19.3% upside, but the predominantly Neutral ratings from major banks suggest limited near-term catalysts.
Supporting evidence includes a forward PE of 10.42x, which is undemanding in absolute terms and implies 21% earnings growth, yet the trailing PE of 13.19x is mid-range versus its historical band. Revenue growth of 5.65% year-over-year in Q2 2026 is modest, and gross margin has compressed to 46.2% from 49.4% a year ago. However, free cash flow remains robust at $731 million TTM, and the 48.4% trailing gross margin is well above the auto-parts industry average in the high single digits to low teens. The 19.3% upside to the average target is attractive but tempered by the wide dispersion and the fact that the low target of $115 is essentially at the current price.
The biggest risks that could invalidate the thesis are a deeper cyclical downturn in Class 4-8 truck production, failure to restore margins toward 49%, and the heavy debt load constraining capital returns. The rating would upgrade to Buy if gross margins recover above 48% and the forward PE remains below 11x, or downgrade to Sell if revenue growth turns negative and debt-to-equity exceeds 1.8x. Relative to its own history, the stock appears fairly valued: the PE is mid-range, but the PS ratio of 2.73x is near the low end of its historical range, suggesting the market is pricing in earnings power rather than sales growth.
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ALSN 12-Month Price Forecast
Allison Transmission presents a balanced risk/reward at the current price. The company's 60% market share, 48% gross margin, and $731 million free cash flow are undeniable strengths, and the 10.4x forward PE is undemanding if earnings growth materializes. However, the cyclical nature of the business, margin compression, and increased leverage from the Q1 acquisition create near-term uncertainty. The stock's recent underperformance versus the S&P 500 and its position 14% below the 52-week high suggest that momentum has faded. I would upgrade to bullish if gross margins recover above 48% and the Class 4-8 cycle shows signs of inflection, or downgrade to bearish if revenue growth turns negative and debt levels continue to rise.
Wall Street consensus
Most Wall Street analysts maintain a constructive view on Allison Transmission's 12-month outlook, with a consensus price target around $140.45 and implied upside of +28.7% versus the current price.
Average Target
$140.45
0 analysts
Implied Upside
+28.7%
vs. current price
Analyst Count
—
covering this stock
Price Range
$115 - $185
Analyst target range
Coverage is moderate with 11 analysts, and the consensus recommendation is a Buy with a recommendation mean of 2.27 (where lower is more bullish), though the distribution is skewed toward the cautious side: the institutional ratings history shows Morgan Stanley, Citigroup, JP Morgan, and Wells Fargo all maintaining Equal Weight or Neutral ratings through 2026, with only Oppenheimer carrying an Outperform. The average target price is $140.73, which implies roughly 19.3% upside from the current $117.97, and the consensus EPS estimate of $12.81 for the forward period supports that target at about 11x forward earnings. The bullish tilt of the average target relative to the predominantly neutral ratings suggests the target is being pulled up by a few high-conviction bulls rather than reflecting broad-based enthusiasm, and the recent pattern of unchanged Neutral/Equal Weight ratings indicates analysts are in a wait-and-see mode rather than upgrading or downgrading. The target range is unusually wide, from a low of $115.00 to a high of $185.00 — a spread of $70, or 61% of the current price — which signals significant disagreement about the company's trajectory. The high target of $185 implies roughly 57% upside and would require a combination of multiple expansion toward 14-15x forward earnings, successful integration of the Q1 acquisition, margin recovery back toward the 49% gross margin levels of mid-2025, and a cyclical upturn in Class 4-8 truck production. The low target of $115, essentially at the current price, prices in continued margin compression, a prolonged freight recession, and the possibility that the elevated debt load constrains buybacks and dividends. The wide dispersion, combined with the fact that the low target is below the current price while the average sits 19% above it, tells investors that this is a high-uncertainty name where the downside is seen as limited but the upside depends on execution and cycle timing — a profile that argues for position sizing discipline and a longer time horizon.
Bulls vs Bears: ALSN Investment Factors
The bull case rests on Allison's entrenched 60% market share, exceptional 48% gross margins, robust free cash flow, and a forward PE of just 10.4x that implies substantial earnings growth. The bear case centers on rising leverage (debt-to-equity 1.56x), margin compression from peak levels, cyclical truck exposure, and deteriorating relative strength. Currently, the bear evidence appears slightly stronger on a near-term basis: the stock has lost momentum, margins are trending down, and the balance sheet is more leveraged than a year ago. However, the most important tension is whether the Q1 acquisition-related margin drag is truly transient and whether the aftermarket and defense segments can offset a softer freight environment. If margins recover toward the 49% gross margin seen in mid-2025 and the Class 4-8 cycle stabilizes, the low forward multiple could re-rate; if not, the stock may remain range-bound or retest lower levels.
Bullish
- Dominant 60% market share: Allison commands roughly 60% global share in fully automatic transmissions for medium- and heavy-duty commercial vehicles, a position reinforced by deep OEM integration and a large installed base. This installed base generates recurring, high-margin service-parts and support-equipment revenue, which totaled $160 million in the latest quarter and provides a stabilizing counterweight to cyclical OEM demand.
- Exceptional profitability: Q2 2026 gross margin was 46.2% and net margin 21.0%, with trailing gross margin of 48.4% and operating margin of 32.3%. These levels are far above typical auto-parts industry margins in the high single digits to low teens, reflecting pricing power and a high-value, technology-differentiated product.
- Strong free cash flow: Free cash flow was $731 million on a trailing twelve-month basis and $281 million in Q2 2026, with operating cash flow of $312 million against just $31 million of capex. This ~90% FCF conversion comfortably covers the $24 million quarterly dividend and $46 million of buybacks, even after the elevated interest burden.
- Undemanding forward valuation: The stock trades at a forward PE of 10.42x and trailing PE of 13.19x, with EV/EBITDA of 9.41x. The forward multiple implies roughly 21% earnings growth over the next twelve months, yet the absolute level remains low for a business with 48% gross margins and 33.4% ROE.
Bearish
- Elevated leverage post-acquisition: Debt-to-equity stands at 1.56x, up from 1.30x in Q3 2025, following a $2.563 billion acquisition in Q1 2026 and subsequent $1.349 billion debt repayment. Quarterly interest expense has risen to $54 million, which now consumes a meaningful share of operating income and reduces financial flexibility.
- Margin compression trend: Q2 2026 gross margin of 46.2% is down from 49.4% in Q2 2025, and net margin fell to 21.0% from 24.0%. The Q1 2026 quarter was particularly weak with a 27.2% gross margin and 8.0% net margin, dragged by acquisition-related costs, indicating that profitability is normalizing rather than expanding.
- Cyclical end-market exposure: The core on-highway business is tied to Class 4-8 truck production, which is sensitive to freight cycles. Revenue growth has been uneven: Q2 2026 revenue of $860 million grew only 5.65% year-over-year, and the sequential trend is choppy, with Q1 2026 inflated by a one-time acquisition benefit.
- Momentum deterioration: The stock is down 6.90% over the past month and has gone essentially nowhere for two quarters (3-month change +1.37%, 6-month change +0.78%). It trails SPY by 7.49 percentage points over the past month and by 16.57 points over six months, signaling a loss of leadership.
ALSN Technical Analysis
ALSN is in a broad recovery uptrend that has stalled into consolidation: the shares are up 36.3% over the past year and 19.2% year-to-date, but at $117.97 they sit only about 68% of the way up the 52-week range of $76.01 to $137.62, meaning the stock is roughly 14% below its high and 55% above its low. That positioning is neither a clean breakout nor a washed-out value setup — it reflects a stock that has already re-rated substantially but has spent the last several months digesting those gains. The 52-week low of $76.01 was set during a period of maximum pessimism, and the failure to reclaim the $137.62 high despite a strong 1-year return suggests overhead supply and fading momentum rather than a fresh leg higher. Recent momentum has clearly decelerated and diverged from the longer-term trend: the 1-month change is -6.90% versus a +36.32% 1-year gain, while the 3-month change is just +1.37% and the 6-month change +0.78%, indicating the stock has gone essentially nowhere for two quarters. Relative strength confirms the deterioration — ALSN trails SPY by 7.49 percentage points over the past month and by 16.57 points over six months, even though it still leads by 21.31 points over a full year. This pattern of a strong 12-month trend with negative short-term relative performance typically signals a maturing move and a loss of leadership rather than an imminent trend reversal, though the persistent underperformance versus the S&P 500 is a caution flag for momentum-oriented investors. Key levels are well defined: support rests at the $112-$114 area that has repeatedly held in September and at the 52-week low of $76.01 as the ultimate floor, while resistance sits at the $133-$137.62 zone where the stock failed in April and August. A decisive break above $137.62 would confirm a resumption of the uptrend and likely target new highs, whereas a breakdown below $112 would open the door to a retest of the mid-$100s and potentially the $100 psychological level. With a beta of 0.974, ALSN is slightly less volatile than the broader market, meaning position sizing can be somewhat more aggressive than for a high-beta cyclical, but the 20.58% maximum drawdown over the past year shows the stock is still capable of sharp, painful reversals when sentiment turns.
Beta
0.98
0.98x market volatility
Max Drawdown
-20.6%
Largest decline past year
52-Week Range
$76-$138
Price range past year
Annual Return
+31.6%
Cumulative gain past year
| Period | ALSN Return | S&P 500 |
|---|---|---|
| 1m | -16.4% | +1.0% |
| 3m | -4.5% | +2.5% |
| 6m | -15.1% | +13.9% |
| 1y | +31.6% | +15.0% |
| ytd | +10.3% | +13.5% |
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ALSN Fundamental Analysis
Revenue growth has been modest and uneven rather than robust: Q2 2026 revenue of $860 million grew 5.65% year-over-year against $814 million in Q2 2025, but the sequential trend is choppy, with Q1 2026 revenue of $1.406 billion (which included a large one-time benefit from the acquisition) followed by a sharp step-down to $860 million in Q2. The year-over-year comparison is further complicated by the fact that Q2 2025 revenue of $814 million was itself below Q1 2025's $766 million and Q3 2024's $824 million, underscoring that the core business is not in a high-growth phase. Segment disclosure is limited, but the defense segment at $73 million and service parts/support equipment at $160 million highlight the importance of the aftermarket and military channels as stabilizing, higher-margin revenue streams while the on-highway OEM business remains tied to cyclical truck production. The investment case therefore rests less on top-line acceleration and more on the durability of the installed-base aftermarket and the company's ability to defend its 60% share against electrification and competitive encroachment. Profitability remains the standout feature of the story: Q2 2026 net income was $181 million on $860 million of revenue, a 21.0% net margin, with gross profit of $397 million (46.2% gross margin) and operating income of $281 million (32.7% operating margin). However, margins have compressed from the prior-year peak — Q2 2025 gross margin was 49.4% and net margin 24.0% — and the Q1 2026 quarter was unusually weak with a 27.2% gross margin and 8.0% net margin, dragged by acquisition-related costs and a $54 million interest expense. The trailing figures (48.4% gross margin, 32.3% operating margin, 20.7% net margin) still look strong for an auto-parts manufacturer, but the direction of travel is toward normalization rather than expansion, and the Q1 anomaly shows how quickly profitability can be disrupted by integration costs and higher leverage. The balance sheet is the key risk: debt-to-equity stands at 1.56x (up from 1.30x in Q3 2025), the current ratio is a healthy 4.85x, and ROE is an impressive 33.4%, but the Q1 2026 acquisition of $2.563 billion and subsequent $1.349 billion debt repayment dramatically increased financial leverage and interest burden. Free cash flow remains solid at $731 million TTM and $281 million in Q2 2026, with operating cash flow of $312 million against just $31 million of capex, giving a free-cash-flow-to-operating-cash-flow conversion of roughly 90%. The company is still generating enough cash to fund its $24 million quarterly dividend and $46 million of buybacks, but the elevated debt load and $54 million quarterly interest expense mean external financing conditions and rate levels now matter more to the equity story than they did a year ago.
Quarterly Revenue
$860000000.0B
2026-06
Revenue YoY Growth
+5.7%
YoY Comparison
Gross Margin
46.2%
Latest Quarter
Free Cash Flow
$731000000.0B
Last 12 Months
Revenue & Net Income Trends (2 Years)
Revenue Breakdown
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Valuation Analysis: Is ALSN Overvalued?
Because ALSN is solidly profitable — Q2 2026 net income of $181 million and trailing EPS of $2.18 — the PE ratio is the appropriate primary metric, and the stock trades at a trailing PE of 13.19x versus a forward PE of 10.42x. The gap between trailing and forward multiples is significant: the market is pricing in roughly 21% earnings growth over the next twelve months, consistent with the consensus EPS estimate of $12.81 for the forward period, which implies investors expect the Q1 acquisition-related drag to be transient and margins to recover. A 10.4x forward multiple is undemanding in absolute terms and suggests the market is not extrapolating the recent margin compression, but it also reflects skepticism about the sustainability of peak-cycle earnings and the added leverage. On a peer basis, ALSN's 13.19x trailing PE and 2.73x PS ratio compare favorably to the broader auto-parts sector, where many suppliers trade at mid-to-high-teens earnings multiples with far lower margins; the company's 48.4% gross margin and 20.7% net margin are well above typical auto-parts industry levels in the high single digits to low teens, which justifies a premium on quality grounds even if the absolute multiple looks low. The EV/EBITDA of 9.41x and EV/Sales of 3.04x are also reasonable for a business with this margin profile, though the 4.40x price-to-book reflects the relatively asset-light, high-return nature of the transmission franchise. Historically, ALSN's PE has ranged from roughly 5.8x in late 2022 to over 21x in Q1 2026, with the current 13.19x sitting in the middle-to-lower portion of that band; the PS ratio of 2.73x, however, is near the low end of its historical range (which has run from about 4.5x to 11.7x), largely because the Q1 acquisition inflated the revenue base. The combination of a mid-range PE and a low-end PS suggests the market is valuing the company on earnings power rather than sales growth, and that the current multiple embeds neither euphoria nor deep distress — a neutral-to-slightly-attractive setup if forward EPS estimates prove achievable.
PE
13.2x
Latest Quarter
vs. Historical
High-End
5-Year PE Range 6x~13x
vs. Industry Avg
N/A
Industry PE ~N/A*
EV/EBITDA
9.4x
Enterprise Value Multiple
Investment Risk Disclosure
Financial and operational risks are elevated by the Q1 2026 acquisition, which increased debt-to-equity to 1.56x from 1.30x and raised quarterly interest expense to $54 million. While the current ratio of 4.85x and free cash flow of $731 million TTM provide a cushion, the company's ability to sustain its dividend and buyback programs depends on continued cash generation. Margin compression is a clear concern: Q2 2026 gross margin fell to 46.2% from 49.4% a year earlier, and net margin dropped to 21.0% from 24.0%. The Q1 2026 quarter was particularly weak with a 27.2% gross margin and 8.0% net margin, showing how quickly profitability can be disrupted by integration costs and higher leverage. Revenue concentration in the cyclical on-highway segment remains a structural risk, as a downturn in Class 4-8 truck production would directly hit the core business.
Market and competitive risks include the potential for multiple compression if earnings disappoint, given the stock's forward PE of 10.42x already embeds 21% earnings growth. The wide analyst target range of $115 to $185 and predominantly Neutral ratings suggest that the market is not fully convinced of the growth story. Competitive threats from electrification and alternative powertrains could erode Allison's 60% share over the long term, although the company is investing in hybrid and electric systems. Macro sensitivity is moderate with a beta of 0.974, but the stock's 20.58% maximum drawdown over the past year shows it is not immune to sharp reversals. Recent relative underperformance versus SPY (-7.49 points over one month, -16.57 points over six months) indicates fading momentum that could persist if sector rotation continues.
The worst-case scenario would involve a prolonged freight recession that depresses Class 4-8 truck orders, combined with failure to integrate the acquisition and restore margins. In that scenario, earnings could fall short of the $12.81 consensus estimate, leading to multiple compression and a decline toward the 52-week low of $76.01 or the analyst low target of $115. From the current price of $117.97, a drop to $76.01 would represent a loss of approximately 35.6%. Even a move to the low target of $115 would be a modest 2.5% decline, but the 52-week low is a more realistic downside in a severe downturn. The maximum drawdown of 20.58% over the past year provides a recent historical reference for how quickly sentiment can deteriorate.
FAQ
The most severe risk is the elevated debt load, with debt-to-equity at 1.56x and quarterly interest expense of $54 million, which could constrain capital returns if earnings decline. Second, margin compression is a concern: gross margin fell to 46.2% in Q2 2026 from 49.4% a year earlier, and Q1 2026 was particularly weak at 27.2%. Third, cyclical exposure to Class 4-8 truck production means a freight recession could significantly reduce revenue, as seen in the uneven growth trajectory. Fourth, competitive threats from electrification could erode Allison's 60% market share over the long term, although the company is investing in hybrid and electric systems. These risks are ranked from most to least immediate, with the debt and margin issues being the most pressing.
The 12-month forecast includes three scenarios: a bull case with 25% probability targeting $160-$185, a base case with 55% probability targeting $130-$150, and a bear case with 20% probability targeting $76-$115. The base case is most likely, assuming consensus EPS of $12.81 is achieved and gross margins stabilize around 46-47%. The bull case requires a cyclical upturn and margin recovery, while the bear case assumes a prolonged freight recession and integration issues. The analyst average target of $140.73 aligns with the base case, implying 19.3% upside from the current price.
ALSN appears fairly valued to slightly undervalued. The trailing PE of 13.19x is in the middle-to-lower portion of its historical range (5.8x to 21x), while the forward PE of 10.42x is undemanding and implies 21% earnings growth. The PS ratio of 2.73x is near the low end of its historical range (4.5x to 11.7x), largely due to the acquisition inflating revenue. Compared to the auto-parts sector, where many suppliers trade at mid-to-high-teens earnings multiples with lower margins, ALSN's 48.4% gross margin justifies a premium. The market is pricing in skepticism about peak-cycle earnings and the added leverage, but if margins recover, the multiple could expand.
From a risk/reward perspective, ALSN offers a balanced proposition. The stock trades at $117.97, with a forward PE of 10.42x and an average analyst target of $140.73, implying 19.3% upside. However, the downside risk to the 52-week low of $76.01 is approximately 35.6%, and the company faces margin compression and elevated leverage. It could be a good buy for value-oriented investors with a long-term horizon who believe in the durability of Allison's aftermarket and defense segments, but it may not be suitable for those seeking near-term momentum or income. The consensus rating is Buy, but the predominantly Neutral ratings from major banks suggest limited near-term catalysts.
ALSN is more suitable for long-term investment than short-term trading. The company is in a mature growth stage with a beta of 0.974, indicating slightly lower volatility than the market, but it has experienced a 20.58% maximum drawdown in the past year. The dividend yield is modest at 1.1%, and earnings visibility is moderate given cyclical end markets. Short-term traders might find opportunities around earnings or cyclical data points, but the stock's recent momentum deterioration and wide analyst dispersion suggest choppy near-term action. A minimum holding period of 2-3 years is recommended to allow for margin recovery, debt reduction, and potential cyclical upturn.