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Side-by-side financial comparison of Allison Transmission Holdings Inc (ALSN) and SEI INVESTMENTS CO (SEIC). Click either name above to swap in a different company.

Allison Transmission Holdings Inc is the larger business by last-quarter revenue ($737.0M vs $622.2M, roughly 1.2× SEI INVESTMENTS CO). SEI INVESTMENTS CO runs the higher net margin — 28.0% vs 13.4%, a 14.6% gap on every dollar of revenue. On growth, SEI INVESTMENTS CO posted the faster year-over-year revenue change (13.0% vs -7.4%). Over the past eight quarters, SEI INVESTMENTS CO's revenue compounded faster (9.5% CAGR vs -3.4%).

Allison Transmission Holdings Inc. is an American manufacturer of commercial duty automatic transmissions and hybrid propulsion systems. Allison products are specified by over 250 vehicle manufacturers and are used in many market sectors, including bus, refuse, fire, construction, distribution, military, and specialty applications.

SEI Investments Company, formerly Simulated Environments Inc., is a financial services company headquartered in Oaks, Pennsylvania, United States. SEI provides products and services to institutions, private banks, investment advisors, investment managers, and private clients. Through its subsidiaries and partnerships in which the company has significant interests, SEI manages, advises or administers $1 trillion in hedge funds, private equity, mutual funds and pooled or separately managed asse...

ALSN vs SEIC — Head-to-Head

Bigger by revenue
ALSN
ALSN
1.2× larger
ALSN
$737.0M
$622.2M
SEIC
Growing faster (revenue YoY)
SEIC
SEIC
+20.4% gap
SEIC
13.0%
-7.4%
ALSN
Higher net margin
SEIC
SEIC
14.6% more per $
SEIC
28.0%
13.4%
ALSN
Faster 2-yr revenue CAGR
SEIC
SEIC
Annualised
SEIC
9.5%
-3.4%
ALSN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ALSN
ALSN
SEIC
SEIC
Revenue
$737.0M
$622.2M
Net Profit
$99.0M
$174.5M
Gross Margin
48.0%
Operating Margin
23.2%
30.5%
Net Margin
13.4%
28.0%
Revenue YoY
-7.4%
13.0%
Net Profit YoY
-43.4%
15.0%
EPS (diluted)
$1.18
$1.40

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ALSN
ALSN
SEIC
SEIC
Q1 26
$622.2M
Q4 25
$737.0M
$607.9M
Q3 25
$693.0M
$578.5M
Q2 25
$814.0M
$559.6M
Q1 25
$766.0M
$551.3M
Q4 24
$796.0M
$557.2M
Q3 24
$824.0M
$537.4M
Q2 24
$816.0M
$519.0M
Net Profit
ALSN
ALSN
SEIC
SEIC
Q1 26
$174.5M
Q4 25
$99.0M
$172.5M
Q3 25
$137.0M
$164.2M
Q2 25
$195.0M
$227.1M
Q1 25
$192.0M
$151.5M
Q4 24
$175.0M
$155.8M
Q3 24
$200.0M
$154.9M
Q2 24
$187.0M
$139.1M
Gross Margin
ALSN
ALSN
SEIC
SEIC
Q1 26
Q4 25
48.0%
36.8%
Q3 25
47.5%
35.0%
Q2 25
49.4%
33.8%
Q1 25
49.3%
34.9%
Q4 24
46.9%
33.1%
Q3 24
48.1%
33.8%
Q2 24
48.3%
32.7%
Operating Margin
ALSN
ALSN
SEIC
SEIC
Q1 26
30.5%
Q4 25
23.2%
26.6%
Q3 25
29.4%
27.7%
Q2 25
31.4%
26.6%
Q1 25
32.5%
28.5%
Q4 24
29.5%
26.1%
Q3 24
31.6%
26.8%
Q2 24
32.2%
26.3%
Net Margin
ALSN
ALSN
SEIC
SEIC
Q1 26
28.0%
Q4 25
13.4%
28.4%
Q3 25
19.8%
28.4%
Q2 25
24.0%
40.6%
Q1 25
25.1%
27.5%
Q4 24
22.0%
28.0%
Q3 24
24.3%
28.8%
Q2 24
22.9%
26.8%
EPS (diluted)
ALSN
ALSN
SEIC
SEIC
Q1 26
$1.40
Q4 25
$1.18
$1.38
Q3 25
$1.63
$1.30
Q2 25
$2.29
$1.78
Q1 25
$2.23
$1.17
Q4 24
$2.01
$1.18
Q3 24
$2.27
$1.19
Q2 24
$2.13
$1.05

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ALSN
ALSN
SEIC
SEIC
Cash + ST InvestmentsLiquidity on hand
$1.5B
$363.1M
Total DebtLower is stronger
$2.9B
$32.4M
Stockholders' EquityBook value
$1.9B
$2.5B
Total Assets
$6.1B
$3.3B
Debt / EquityLower = less leverage
1.56×
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALSN
ALSN
SEIC
SEIC
Q1 26
$363.1M
Q4 25
$1.5B
$399.8M
Q3 25
$902.0M
Q2 25
$778.0M
Q1 25
$753.0M
$710.7M
Q4 24
$781.0M
$839.9M
Q3 24
$788.0M
$901.1M
Q2 24
$648.0M
$768.3M
Total Debt
ALSN
ALSN
SEIC
SEIC
Q1 26
$32.4M
Q4 25
$2.9B
Q3 25
$2.4B
Q2 25
$2.4B
Q1 25
$2.4B
Q4 24
$2.4B
Q3 24
$2.4B
Q2 24
$2.4B
Stockholders' Equity
ALSN
ALSN
SEIC
SEIC
Q1 26
$2.5B
Q4 25
$1.9B
$2.4B
Q3 25
$1.8B
$2.4B
Q2 25
$1.8B
$2.3B
Q1 25
$1.7B
$2.3B
Q4 24
$1.7B
$2.3B
Q3 24
$1.6B
$2.4B
Q2 24
$1.5B
$2.2B
Total Assets
ALSN
ALSN
SEIC
SEIC
Q1 26
$3.3B
Q4 25
$6.1B
Q3 25
$5.5B
Q2 25
$5.4B
$2.6B
Q1 25
$5.4B
$2.6B
Q4 24
$5.3B
$2.7B
Q3 24
$5.4B
$2.7B
Q2 24
$5.2B
$2.5B
Debt / Equity
ALSN
ALSN
SEIC
SEIC
Q1 26
0.01×
Q4 25
1.56×
Q3 25
1.31×
Q2 25
1.38×
Q1 25
1.45×
Q4 24
1.46×
Q3 24
1.49×
Q2 24
1.63×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ALSN
ALSN
SEIC
SEIC
Operating Cash FlowLast quarter
$243.0M
Free Cash FlowOCF − Capex
$169.0M
FCF MarginFCF / Revenue
22.9%
Capex IntensityCapex / Revenue
10.0%
Cash ConversionOCF / Net Profit
2.45×
TTM Free Cash FlowTrailing 4 quarters
$661.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALSN
ALSN
SEIC
SEIC
Q1 26
Q4 25
$243.0M
$126.4M
Q3 25
$228.0M
$238.3M
Q2 25
$184.0M
$96.5M
Q1 25
$181.0M
$146.5M
Q4 24
$211.0M
$195.3M
Q3 24
$246.0M
$200.0M
Q2 24
$171.0M
$114.7M
Free Cash Flow
ALSN
ALSN
SEIC
SEIC
Q1 26
Q4 25
$169.0M
$124.8M
Q3 25
$184.0M
$229.6M
Q2 25
$153.0M
$92.7M
Q1 25
$155.0M
$137.8M
Q4 24
$136.0M
$190.2M
Q3 24
$210.0M
$193.7M
Q2 24
$150.0M
$107.0M
FCF Margin
ALSN
ALSN
SEIC
SEIC
Q1 26
Q4 25
22.9%
20.5%
Q3 25
26.6%
39.7%
Q2 25
18.8%
16.6%
Q1 25
20.2%
25.0%
Q4 24
17.1%
34.1%
Q3 24
25.5%
36.0%
Q2 24
18.4%
20.6%
Capex Intensity
ALSN
ALSN
SEIC
SEIC
Q1 26
Q4 25
10.0%
0.3%
Q3 25
6.3%
1.5%
Q2 25
3.8%
0.7%
Q1 25
3.4%
1.6%
Q4 24
9.4%
0.9%
Q3 24
4.4%
1.2%
Q2 24
2.6%
1.5%
Cash Conversion
ALSN
ALSN
SEIC
SEIC
Q1 26
Q4 25
2.45×
0.73×
Q3 25
1.66×
1.45×
Q2 25
0.94×
0.43×
Q1 25
0.94×
0.97×
Q4 24
1.21×
1.25×
Q3 24
1.23×
1.29×
Q2 24
0.91×
0.82×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ALSN
ALSN

North America On Highway$361.0M49%
Service Parts Support Equipment And Other$160.0M22%
Outside North America On Highway$131.0M18%
Defense$73.0M10%
Global Off-Highway$12.0M2%

SEIC
SEIC

Segment breakdown not available.

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