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Side-by-side financial comparison of Atmus Filtration Technologies Inc. (ATMU) and StepStone Group Inc. (STEP). Click either name above to swap in a different company.

StepStone Group Inc. is the larger business by last-quarter revenue ($586.5M vs $446.6M, roughly 1.3× Atmus Filtration Technologies Inc.). Atmus Filtration Technologies Inc. runs the higher net margin — 10.7% vs -21.0%, a 31.8% gap on every dollar of revenue. On growth, StepStone Group Inc. posted the faster year-over-year revenue change (73.0% vs 9.8%). Atmus Filtration Technologies Inc. produced more free cash flow last quarter ($31.2M vs $26.7M). Over the past eight quarters, StepStone Group Inc.'s revenue compounded faster (28.2% 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.

Rosetta Stone Inc. is an American education technology software company that develops language, literacy and brain-fitness software. Best known for its language-learning products, in 2013, the company expanded beyond language into education-technology with its acquisitions of Livemocha, Lexia Learning, Fit Brains, and Tell Me More. In 2021, it became a subsidiary of IXL Learning.

ATMU vs STEP — Head-to-Head

Bigger by revenue
STEP
STEP
1.3× larger
STEP
$586.5M
$446.6M
ATMU
Growing faster (revenue YoY)
STEP
STEP
+63.2% gap
STEP
73.0%
9.8%
ATMU
Higher net margin
ATMU
ATMU
31.8% more per $
ATMU
10.7%
-21.0%
STEP
More free cash flow
ATMU
ATMU
$4.5M more FCF
ATMU
$31.2M
$26.7M
STEP
Faster 2-yr revenue CAGR
STEP
STEP
Annualised
STEP
28.2%
2.3%
ATMU

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
ATMU
ATMU
STEP
STEP
Revenue
$446.6M
$586.5M
Net Profit
$48.0M
$-123.5M
Gross Margin
28.5%
Operating Margin
15.8%
-33.2%
Net Margin
10.7%
-21.0%
Revenue YoY
9.8%
73.0%
Net Profit YoY
19.7%
35.7%
EPS (diluted)
$0.58
$-1.55

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
STEP
STEP
Q4 25
$446.6M
$586.5M
Q3 25
$447.7M
$454.2M
Q2 25
$453.5M
$364.3M
Q1 25
$416.5M
$377.7M
Q4 24
$406.7M
$339.0M
Q3 24
$403.7M
$271.7M
Q2 24
$432.6M
$186.4M
Q1 24
$426.6M
$356.8M
Net Profit
ATMU
ATMU
STEP
STEP
Q4 25
$48.0M
$-123.5M
Q3 25
$54.8M
$-366.1M
Q2 25
$59.9M
$-38.4M
Q1 25
$44.7M
$-18.5M
Q4 24
$40.1M
$-192.0M
Q3 24
$43.8M
$17.6M
Q2 24
$56.2M
$13.3M
Q1 24
$45.5M
$30.8M
Gross Margin
ATMU
ATMU
STEP
STEP
Q4 25
28.5%
Q3 25
28.9%
Q2 25
28.9%
Q1 25
26.5%
Q4 24
26.3%
Q3 24
27.6%
Q2 24
30.5%
Q1 24
26.2%
Operating Margin
ATMU
ATMU
STEP
STEP
Q4 25
15.8%
-33.2%
Q3 25
18.3%
-148.8%
Q2 25
18.0%
-5.6%
Q1 25
15.6%
2.6%
Q4 24
13.4%
-101.7%
Q3 24
15.7%
21.3%
Q2 24
18.4%
29.4%
Q1 24
16.1%
26.5%
Net Margin
ATMU
ATMU
STEP
STEP
Q4 25
10.7%
-21.0%
Q3 25
12.2%
-80.6%
Q2 25
13.2%
-10.5%
Q1 25
10.7%
-4.9%
Q4 24
9.9%
-56.6%
Q3 24
10.8%
6.5%
Q2 24
13.0%
7.2%
Q1 24
10.7%
8.6%
EPS (diluted)
ATMU
ATMU
STEP
STEP
Q4 25
$0.58
$-1.55
Q3 25
$0.66
$-4.66
Q2 25
$0.72
$-0.49
Q1 25
$0.54
$-0.37
Q4 24
$0.49
$-2.61
Q3 24
$0.52
$0.26
Q2 24
$0.67
$0.20
Q1 24
$0.54
$0.47

Balance Sheet & Financial Strength

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

Metric
ATMU
ATMU
STEP
STEP
Cash + ST InvestmentsLiquidity on hand
$236.4M
Total DebtLower is stronger
$570.0M
$270.2M
Stockholders' EquityBook value
$378.5M
$-378.8M
Total Assets
$1.4B
$5.2B
Debt / EquityLower = less leverage
1.51×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATMU
ATMU
STEP
STEP
Q4 25
$236.4M
Q3 25
$218.3M
Q2 25
$190.8M
Q1 25
$183.3M
Q4 24
$184.3M
Q3 24
$196.8M
Q2 24
$160.5M
Q1 24
$149.2M
Total Debt
ATMU
ATMU
STEP
STEP
Q4 25
$570.0M
$270.2M
Q3 25
$577.5M
$269.9M
Q2 25
$585.0M
$269.6M
Q1 25
$588.8M
$269.3M
Q4 24
$592.5M
$168.9M
Q3 24
$596.2M
$172.3M
Q2 24
$600.0M
$172.1M
Q1 24
$600.0M
$148.8M
Stockholders' Equity
ATMU
ATMU
STEP
STEP
Q4 25
$378.5M
$-378.8M
Q3 25
$336.7M
$-233.5M
Q2 25
$316.3M
$153.9M
Q1 25
$265.3M
$179.4M
Q4 24
$227.4M
$209.8M
Q3 24
$221.2M
$397.5M
Q2 24
$178.1M
$366.9M
Q1 24
$121.8M
$324.5M
Total Assets
ATMU
ATMU
STEP
STEP
Q4 25
$1.4B
$5.2B
Q3 25
$1.3B
$5.3B
Q2 25
$1.3B
$4.8B
Q1 25
$1.2B
$4.6B
Q4 24
$1.2B
$4.3B
Q3 24
$1.2B
$4.0B
Q2 24
$1.2B
$3.8B
Q1 24
$1.1B
$3.8B
Debt / Equity
ATMU
ATMU
STEP
STEP
Q4 25
1.51×
Q3 25
1.72×
Q2 25
1.85×
1.75×
Q1 25
2.22×
1.50×
Q4 24
2.61×
0.81×
Q3 24
2.70×
0.43×
Q2 24
3.37×
0.47×
Q1 24
4.93×
0.46×

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
STEP
STEP
Operating Cash FlowLast quarter
$47.5M
$27.2M
Free Cash FlowOCF − Capex
$31.2M
$26.7M
FCF MarginFCF / Revenue
7.0%
4.6%
Capex IntensityCapex / Revenue
3.6%
0.1%
Cash ConversionOCF / Net Profit
0.99×
TTM Free Cash FlowTrailing 4 quarters
$148.8M
$18.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATMU
ATMU
STEP
STEP
Q4 25
$47.5M
$27.2M
Q3 25
$82.1M
$16.2M
Q2 25
$44.4M
$46.3M
Q1 25
$28.7M
$-66.5M
Q4 24
$20.0M
$27.6M
Q3 24
$70.7M
$53.7M
Q2 24
$22.9M
$50.2M
Q1 24
$-8.2M
$7.6M
Free Cash Flow
ATMU
ATMU
STEP
STEP
Q4 25
$31.2M
$26.7M
Q3 25
$68.9M
$15.9M
Q2 25
$32.4M
$45.2M
Q1 25
$16.3M
$-69.2M
Q4 24
$10.0M
$27.0M
Q3 24
$54.3M
$52.4M
Q2 24
$11.3M
$49.6M
Q1 24
$-18.8M
$6.7M
FCF Margin
ATMU
ATMU
STEP
STEP
Q4 25
7.0%
4.6%
Q3 25
15.4%
3.5%
Q2 25
7.1%
12.4%
Q1 25
3.9%
-18.3%
Q4 24
2.5%
8.0%
Q3 24
13.5%
19.3%
Q2 24
2.6%
26.6%
Q1 24
-4.4%
1.9%
Capex Intensity
ATMU
ATMU
STEP
STEP
Q4 25
3.6%
0.1%
Q3 25
2.9%
0.1%
Q2 25
2.6%
0.3%
Q1 25
3.0%
0.7%
Q4 24
2.5%
0.2%
Q3 24
4.1%
0.5%
Q2 24
2.7%
0.3%
Q1 24
2.5%
0.3%
Cash Conversion
ATMU
ATMU
STEP
STEP
Q4 25
0.99×
Q3 25
1.50×
Q2 25
0.74×
Q1 25
0.64×
Q4 24
0.50×
Q3 24
1.61×
3.05×
Q2 24
0.41×
3.76×
Q1 24
-0.18×
0.25×

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%

STEP
STEP

Other$210.1M36%
Management And Advisory Fees Net Focused Commingled Funds$143.3M24%
Carried Interest Allocation Focused Commingled Funds$85.1M15%
Carried Interest Allocation Separately Managed Accounts$63.6M11%
Carried Interest Allocation Realized$46.7M8%
Management And Advisory Fees Net Advisory And Other Services$18.3M3%
Legacy Carried Interest Allocation Focused Commingled Funds$10.3M2%
Income Based Incentive Fees$6.0M1%
Management And Advisory Fees Net Fund Reimbursement Revenues$3.1M1%

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