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Side-by-side financial comparison of Atmus Filtration Technologies Inc. (ATMU) and SEI INVESTMENTS CO (SEIC). Click either name above to swap in a different company.

SEI INVESTMENTS CO is the larger business by last-quarter revenue ($622.2M vs $446.6M, roughly 1.4× Atmus Filtration Technologies Inc.). SEI INVESTMENTS CO runs the higher net margin — 28.0% vs 10.7%, a 17.3% gap on every dollar of revenue. On growth, SEI INVESTMENTS CO posted the faster year-over-year revenue change (13.0% vs 9.8%). Over the past eight quarters, SEI INVESTMENTS CO's revenue compounded faster (9.5% CAGR vs 2.3%).

Atmus Filtration Technologies Inc. designs, manufactures and distributes high-performance filtration products and tailored solutions. Its portfolio covers air, fuel, oil and hydraulic filtration systems, serving global automotive, heavy-duty vehicle, industrial equipment and aerospace end markets, for both original equipment manufacturers and aftermarket replacement customers.

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...

ATMU vs SEIC — Head-to-Head

Bigger by revenue
SEIC
SEIC
1.4× larger
SEIC
$622.2M
$446.6M
ATMU
Growing faster (revenue YoY)
SEIC
SEIC
+3.2% gap
SEIC
13.0%
9.8%
ATMU
Higher net margin
SEIC
SEIC
17.3% more per $
SEIC
28.0%
10.7%
ATMU
Faster 2-yr revenue CAGR
SEIC
SEIC
Annualised
SEIC
9.5%
2.3%
ATMU

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ATMU
ATMU
SEIC
SEIC
Revenue
$446.6M
$622.2M
Net Profit
$48.0M
$174.5M
Gross Margin
28.5%
Operating Margin
15.8%
30.5%
Net Margin
10.7%
28.0%
Revenue YoY
9.8%
13.0%
Net Profit YoY
19.7%
15.0%
EPS (diluted)
$0.58
$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
ATMU
ATMU
SEIC
SEIC
Q1 26
$622.2M
Q4 25
$446.6M
$607.9M
Q3 25
$447.7M
$578.5M
Q2 25
$453.5M
$559.6M
Q1 25
$416.5M
$551.3M
Q4 24
$406.7M
$557.2M
Q3 24
$403.7M
$537.4M
Q2 24
$432.6M
$519.0M
Net Profit
ATMU
ATMU
SEIC
SEIC
Q1 26
$174.5M
Q4 25
$48.0M
$172.5M
Q3 25
$54.8M
$164.2M
Q2 25
$59.9M
$227.1M
Q1 25
$44.7M
$151.5M
Q4 24
$40.1M
$155.8M
Q3 24
$43.8M
$154.9M
Q2 24
$56.2M
$139.1M
Gross Margin
ATMU
ATMU
SEIC
SEIC
Q1 26
Q4 25
28.5%
36.8%
Q3 25
28.9%
35.0%
Q2 25
28.9%
33.8%
Q1 25
26.5%
34.9%
Q4 24
26.3%
33.1%
Q3 24
27.6%
33.8%
Q2 24
30.5%
32.7%
Operating Margin
ATMU
ATMU
SEIC
SEIC
Q1 26
30.5%
Q4 25
15.8%
26.6%
Q3 25
18.3%
27.7%
Q2 25
18.0%
26.6%
Q1 25
15.6%
28.5%
Q4 24
13.4%
26.1%
Q3 24
15.7%
26.8%
Q2 24
18.4%
26.3%
Net Margin
ATMU
ATMU
SEIC
SEIC
Q1 26
28.0%
Q4 25
10.7%
28.4%
Q3 25
12.2%
28.4%
Q2 25
13.2%
40.6%
Q1 25
10.7%
27.5%
Q4 24
9.9%
28.0%
Q3 24
10.8%
28.8%
Q2 24
13.0%
26.8%
EPS (diluted)
ATMU
ATMU
SEIC
SEIC
Q1 26
$1.40
Q4 25
$0.58
$1.38
Q3 25
$0.66
$1.30
Q2 25
$0.72
$1.78
Q1 25
$0.54
$1.17
Q4 24
$0.49
$1.18
Q3 24
$0.52
$1.19
Q2 24
$0.67
$1.05

Balance Sheet & Financial Strength

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

Metric
ATMU
ATMU
SEIC
SEIC
Cash + ST InvestmentsLiquidity on hand
$236.4M
$363.1M
Total DebtLower is stronger
$570.0M
$32.4M
Stockholders' EquityBook value
$378.5M
$2.5B
Total Assets
$1.4B
$3.3B
Debt / EquityLower = less leverage
1.51×
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATMU
ATMU
SEIC
SEIC
Q1 26
$363.1M
Q4 25
$236.4M
$399.8M
Q3 25
$218.3M
Q2 25
$190.8M
Q1 25
$183.3M
$710.7M
Q4 24
$184.3M
$839.9M
Q3 24
$196.8M
$901.1M
Q2 24
$160.5M
$768.3M
Total Debt
ATMU
ATMU
SEIC
SEIC
Q1 26
$32.4M
Q4 25
$570.0M
Q3 25
$577.5M
Q2 25
$585.0M
Q1 25
$588.8M
Q4 24
$592.5M
Q3 24
$596.2M
Q2 24
$600.0M
Stockholders' Equity
ATMU
ATMU
SEIC
SEIC
Q1 26
$2.5B
Q4 25
$378.5M
$2.4B
Q3 25
$336.7M
$2.4B
Q2 25
$316.3M
$2.3B
Q1 25
$265.3M
$2.3B
Q4 24
$227.4M
$2.3B
Q3 24
$221.2M
$2.4B
Q2 24
$178.1M
$2.2B
Total Assets
ATMU
ATMU
SEIC
SEIC
Q1 26
$3.3B
Q4 25
$1.4B
Q3 25
$1.3B
Q2 25
$1.3B
$2.6B
Q1 25
$1.2B
$2.6B
Q4 24
$1.2B
$2.7B
Q3 24
$1.2B
$2.7B
Q2 24
$1.2B
$2.5B
Debt / Equity
ATMU
ATMU
SEIC
SEIC
Q1 26
0.01×
Q4 25
1.51×
Q3 25
1.72×
Q2 25
1.85×
Q1 25
2.22×
Q4 24
2.61×
Q3 24
2.70×
Q2 24
3.37×

Cash Flow & Capital Efficiency

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

Metric
ATMU
ATMU
SEIC
SEIC
Operating Cash FlowLast quarter
$47.5M
Free Cash FlowOCF − Capex
$31.2M
FCF MarginFCF / Revenue
7.0%
Capex IntensityCapex / Revenue
3.6%
Cash ConversionOCF / Net Profit
0.99×
TTM Free Cash FlowTrailing 4 quarters
$148.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATMU
ATMU
SEIC
SEIC
Q1 26
Q4 25
$47.5M
$126.4M
Q3 25
$82.1M
$238.3M
Q2 25
$44.4M
$96.5M
Q1 25
$28.7M
$146.5M
Q4 24
$20.0M
$195.3M
Q3 24
$70.7M
$200.0M
Q2 24
$22.9M
$114.7M
Free Cash Flow
ATMU
ATMU
SEIC
SEIC
Q1 26
Q4 25
$31.2M
$124.8M
Q3 25
$68.9M
$229.6M
Q2 25
$32.4M
$92.7M
Q1 25
$16.3M
$137.8M
Q4 24
$10.0M
$190.2M
Q3 24
$54.3M
$193.7M
Q2 24
$11.3M
$107.0M
FCF Margin
ATMU
ATMU
SEIC
SEIC
Q1 26
Q4 25
7.0%
20.5%
Q3 25
15.4%
39.7%
Q2 25
7.1%
16.6%
Q1 25
3.9%
25.0%
Q4 24
2.5%
34.1%
Q3 24
13.5%
36.0%
Q2 24
2.6%
20.6%
Capex Intensity
ATMU
ATMU
SEIC
SEIC
Q1 26
Q4 25
3.6%
0.3%
Q3 25
2.9%
1.5%
Q2 25
2.6%
0.7%
Q1 25
3.0%
1.6%
Q4 24
2.5%
0.9%
Q3 24
4.1%
1.2%
Q2 24
2.7%
1.5%
Cash Conversion
ATMU
ATMU
SEIC
SEIC
Q1 26
Q4 25
0.99×
0.73×
Q3 25
1.50×
1.45×
Q2 25
0.74×
0.43×
Q1 25
0.64×
0.97×
Q4 24
0.50×
1.25×
Q3 24
1.61×
1.29×
Q2 24
0.41×
0.82×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ATMU
ATMU

Fuel Products$219.1M49%
Lube$84.8M19%
Air$74.0M17%
Other$68.7M15%
Related Party$14.9M3%

SEIC
SEIC

Segment breakdown not available.

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