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Side-by-side financial comparison of COMFORT SYSTEMS USA INC (FIX) and Roblox Corp (RBLX). Click either name above to swap in a different company.

COMFORT SYSTEMS USA INC is the larger business by last-quarter revenue ($2.6B vs $1.4B, roughly 1.9× Roblox Corp). COMFORT SYSTEMS USA INC runs the higher net margin — 12.5% vs -22.3%, a 34.8% gap on every dollar of revenue. On growth, Roblox Corp posted the faster year-over-year revenue change (43.2% vs 41.7%). COMFORT SYSTEMS USA INC produced more free cash flow last quarter ($402.4M vs $308.6M). Over the past eight quarters, Roblox Corp's revenue compounded faster (32.9% CAGR vs 31.2%).

Comfort Systems USA, Inc. is an American company that provides mechanical and electrical contracting services, primarily HVAC, plumbing, piping and controls, off-site construction, monitoring and fire protection, and installation and servicing of electrical systems.

Roblox Corporation is an American video game developer based in San Mateo, California. Founded in 2004 by David Baszucki and Erik Cassel, the company is the developer of Roblox, a game platform, which was released in 2006. As of December 31, 2024, the company employs over 2,400 people.

FIX vs RBLX — Head-to-Head

Bigger by revenue
FIX
FIX
1.9× larger
FIX
$2.6B
$1.4B
RBLX
Growing faster (revenue YoY)
RBLX
RBLX
+1.5% gap
RBLX
43.2%
41.7%
FIX
Higher net margin
FIX
FIX
34.8% more per $
FIX
12.5%
-22.3%
RBLX
More free cash flow
FIX
FIX
$93.9M more FCF
FIX
$402.4M
$308.6M
RBLX
Faster 2-yr revenue CAGR
RBLX
RBLX
Annualised
RBLX
32.9%
31.2%
FIX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FIX
FIX
RBLX
RBLX
Revenue
$2.6B
$1.4B
Net Profit
$330.8M
$-316.0M
Gross Margin
25.5%
77.7%
Operating Margin
16.1%
-25.3%
Net Margin
12.5%
-22.3%
Revenue YoY
41.7%
43.2%
Net Profit YoY
126.8%
-43.9%
EPS (diluted)
$9.35
$-0.44

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
FIX
FIX
RBLX
RBLX
Q4 25
$2.6B
$1.4B
Q3 25
$2.5B
$1.4B
Q2 25
$2.2B
$1.1B
Q1 25
$1.8B
$1.0B
Q4 24
$1.9B
$988.2M
Q3 24
$1.8B
$919.0M
Q2 24
$1.8B
$893.5M
Q1 24
$1.5B
$801.3M
Net Profit
FIX
FIX
RBLX
RBLX
Q4 25
$330.8M
$-316.0M
Q3 25
$291.6M
$-255.6M
Q2 25
$230.8M
$-278.4M
Q1 25
$169.3M
$-215.1M
Q4 24
$145.9M
$-219.6M
Q3 24
$146.2M
$-239.3M
Q2 24
$134.0M
$-205.9M
Q1 24
$96.3M
$-270.6M
Gross Margin
FIX
FIX
RBLX
RBLX
Q4 25
25.5%
77.7%
Q3 25
24.8%
78.2%
Q2 25
23.5%
78.2%
Q1 25
22.0%
78.3%
Q4 24
23.2%
77.9%
Q3 24
21.1%
77.7%
Q2 24
20.1%
77.8%
Q1 24
19.3%
77.7%
Operating Margin
FIX
FIX
RBLX
RBLX
Q4 25
16.1%
-25.3%
Q3 25
15.5%
-21.8%
Q2 25
13.8%
-29.8%
Q1 25
11.4%
-24.6%
Q4 24
12.1%
-24.7%
Q3 24
11.2%
-30.4%
Q2 24
10.2%
-26.6%
Q1 24
8.8%
-37.7%
Net Margin
FIX
FIX
RBLX
RBLX
Q4 25
12.5%
-22.3%
Q3 25
11.9%
-18.8%
Q2 25
10.6%
-25.8%
Q1 25
9.2%
-20.8%
Q4 24
7.8%
-22.2%
Q3 24
8.1%
-26.0%
Q2 24
7.4%
-23.0%
Q1 24
6.3%
-33.8%
EPS (diluted)
FIX
FIX
RBLX
RBLX
Q4 25
$9.35
$-0.44
Q3 25
$8.25
$-0.37
Q2 25
$6.53
$-0.41
Q1 25
$4.75
$-0.32
Q4 24
$4.08
$-0.32
Q3 24
$4.09
$-0.37
Q2 24
$3.74
$-0.32
Q1 24
$2.69
$-0.43

Balance Sheet & Financial Strength

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

Metric
FIX
FIX
RBLX
RBLX
Cash + ST InvestmentsLiquidity on hand
$981.9M
$3.1B
Total DebtLower is stronger
$145.2M
$1.2B
Stockholders' EquityBook value
$2.4B
$394.5M
Total Assets
$6.4B
$9.6B
Debt / EquityLower = less leverage
0.06×
2.98×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FIX
FIX
RBLX
RBLX
Q4 25
$981.9M
$3.1B
Q3 25
$860.5M
$2.9B
Q2 25
$331.7M
$2.6B
Q1 25
$204.8M
$2.7B
Q4 24
$549.9M
$2.4B
Q3 24
$415.6M
$2.3B
Q2 24
$199.4M
$2.4B
Q1 24
$100.8M
$2.4B
Total Debt
FIX
FIX
RBLX
RBLX
Q4 25
$145.2M
$1.2B
Q3 25
$136.0M
Q2 25
$73.0M
Q1 25
$67.8M
Q4 24
$68.3M
$1.2B
Q3 24
$62.3M
Q2 24
$73.4M
Q1 24
$77.0M
Stockholders' Equity
FIX
FIX
RBLX
RBLX
Q4 25
$2.4B
$394.5M
Q3 25
$2.2B
$407.6M
Q2 25
$2.0B
$353.2M
Q1 25
$1.8B
$310.7M
Q4 24
$1.7B
$221.4M
Q3 24
$1.6B
$189.9M
Q2 24
$1.5B
$121.5M
Q1 24
$1.4B
$71.6M
Total Assets
FIX
FIX
RBLX
RBLX
Q4 25
$6.4B
$9.6B
Q3 25
$5.8B
$8.6B
Q2 25
$5.1B
$7.8B
Q1 25
$4.6B
$7.5B
Q4 24
$4.7B
$7.2B
Q3 24
$4.4B
$6.7B
Q2 24
$4.2B
$6.5B
Q1 24
$3.9B
$6.3B
Debt / Equity
FIX
FIX
RBLX
RBLX
Q4 25
0.06×
2.98×
Q3 25
0.06×
Q2 25
0.04×
Q1 25
0.04×
Q4 24
0.04×
5.48×
Q3 24
0.04×
Q2 24
0.05×
Q1 24
0.06×

Cash Flow & Capital Efficiency

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

Metric
FIX
FIX
RBLX
RBLX
Operating Cash FlowLast quarter
$468.5M
$607.0M
Free Cash FlowOCF − Capex
$402.4M
$308.6M
FCF MarginFCF / Revenue
15.2%
21.8%
Capex IntensityCapex / Revenue
2.5%
21.1%
Cash ConversionOCF / Net Profit
1.42×
TTM Free Cash FlowTrailing 4 quarters
$1.0B
$1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FIX
FIX
RBLX
RBLX
Q4 25
$468.5M
$607.0M
Q3 25
$553.3M
$546.2M
Q2 25
$252.5M
$199.3M
Q1 25
$-88.0M
$443.9M
Q4 24
$210.5M
$184.5M
Q3 24
$302.2M
$247.4M
Q2 24
$189.9M
$151.4M
Q1 24
$146.6M
$238.9M
Free Cash Flow
FIX
FIX
RBLX
RBLX
Q4 25
$402.4M
$308.6M
Q3 25
$517.9M
$443.6M
Q2 25
$221.2M
$176.7M
Q1 25
$-110.2M
$426.5M
Q4 24
$169.8M
$120.6M
Q3 24
$280.1M
$218.0M
Q2 24
$166.5M
$111.7M
Q1 24
$121.6M
$192.3M
FCF Margin
FIX
FIX
RBLX
RBLX
Q4 25
15.2%
21.8%
Q3 25
21.1%
32.6%
Q2 25
10.2%
16.3%
Q1 25
-6.0%
41.2%
Q4 24
9.1%
12.2%
Q3 24
15.5%
23.7%
Q2 24
9.2%
12.5%
Q1 24
7.9%
24.0%
Capex Intensity
FIX
FIX
RBLX
RBLX
Q4 25
2.5%
21.1%
Q3 25
1.4%
7.5%
Q2 25
1.4%
2.1%
Q1 25
1.2%
1.7%
Q4 24
2.2%
6.5%
Q3 24
1.2%
3.2%
Q2 24
1.3%
4.4%
Q1 24
1.6%
5.8%
Cash Conversion
FIX
FIX
RBLX
RBLX
Q4 25
1.42×
Q3 25
1.90×
Q2 25
1.09×
Q1 25
-0.52×
Q4 24
1.44×
Q3 24
2.07×
Q2 24
1.42×
Q1 24
1.52×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FIX
FIX

Electrical Segment$823.7M31%
Manufacturing Customer$542.7M21%
Existing Building Construction$491.4M19%
Healthcare Sector Customer$220.8M8%
Service Projects$153.0M6%
Education$137.5M5%
Government Customer$131.0M5%
Office Building Customer$88.2M3%
Other Customer$40.7M2%
Multi Family And Residential$33.7M1%

RBLX
RBLX

Segment breakdown not available.

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