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Side-by-side financial comparison of CoStar Group (CSGP) and Roblox Corp (RBLX). Click either name above to swap in a different company.

Roblox Corp is the larger business by last-quarter revenue ($1.4B vs $899.9M, roughly 1.6× CoStar Group). CoStar Group runs the higher net margin — 5.2% vs -22.3%, a 27.5% gap on every dollar of revenue. On growth, Roblox Corp posted the faster year-over-year revenue change (43.2% vs 26.9%). Roblox Corp produced more free cash flow last quarter ($308.6M vs $101.3M). Over the past eight quarters, Roblox Corp's revenue compounded faster (32.9% CAGR vs 17.1%).

CoStar Group, Inc. is an American provider of information, analytics, and marketing services to the commercial property industry in North America and Europe. Founded in 1987 by Andrew C. Florance and based in Arlington, Virginia, the company operates the CoStar online database and news website and several online marketplaces, including Apartments.com and Homes.com.

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.

CSGP vs RBLX — Head-to-Head

Bigger by revenue
RBLX
RBLX
1.6× larger
RBLX
$1.4B
$899.9M
CSGP
Growing faster (revenue YoY)
RBLX
RBLX
+16.3% gap
RBLX
43.2%
26.9%
CSGP
Higher net margin
CSGP
CSGP
27.5% more per $
CSGP
5.2%
-22.3%
RBLX
More free cash flow
RBLX
RBLX
$207.3M more FCF
RBLX
$308.6M
$101.3M
CSGP
Faster 2-yr revenue CAGR
RBLX
RBLX
Annualised
RBLX
32.9%
17.1%
CSGP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CSGP
CSGP
RBLX
RBLX
Revenue
$899.9M
$1.4B
Net Profit
$46.5M
$-316.0M
Gross Margin
78.6%
77.7%
Operating Margin
5.5%
-25.3%
Net Margin
5.2%
-22.3%
Revenue YoY
26.9%
43.2%
Net Profit YoY
-22.2%
-43.9%
EPS (diluted)
$0.12
$-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
CSGP
CSGP
RBLX
RBLX
Q4 25
$899.9M
$1.4B
Q3 25
$833.6M
$1.4B
Q2 25
$781.3M
$1.1B
Q1 25
$732.2M
$1.0B
Q4 24
$709.4M
$988.2M
Q3 24
$692.6M
$919.0M
Q2 24
$677.8M
$893.5M
Q1 24
$656.4M
$801.3M
Net Profit
CSGP
CSGP
RBLX
RBLX
Q4 25
$46.5M
$-316.0M
Q3 25
$-30.9M
$-255.6M
Q2 25
$6.2M
$-278.4M
Q1 25
$-14.8M
$-215.1M
Q4 24
$59.8M
$-219.6M
Q3 24
$53.0M
$-239.3M
Q2 24
$19.2M
$-205.9M
Q1 24
$6.7M
$-270.6M
Gross Margin
CSGP
CSGP
RBLX
RBLX
Q4 25
78.6%
77.7%
Q3 25
79.3%
78.2%
Q2 25
78.5%
78.2%
Q1 25
79.1%
78.3%
Q4 24
80.1%
77.9%
Q3 24
79.7%
77.7%
Q2 24
80.0%
77.8%
Q1 24
78.5%
77.7%
Operating Margin
CSGP
CSGP
RBLX
RBLX
Q4 25
5.5%
-25.3%
Q3 25
-6.1%
-21.8%
Q2 25
-3.5%
-29.8%
Q1 25
-5.8%
-24.6%
Q4 24
5.6%
-24.7%
Q3 24
3.4%
-30.4%
Q2 24
-2.4%
-26.6%
Q1 24
-6.5%
-37.7%
Net Margin
CSGP
CSGP
RBLX
RBLX
Q4 25
5.2%
-22.3%
Q3 25
-3.7%
-18.8%
Q2 25
0.8%
-25.8%
Q1 25
-2.0%
-20.8%
Q4 24
8.4%
-22.2%
Q3 24
7.7%
-26.0%
Q2 24
2.8%
-23.0%
Q1 24
1.0%
-33.8%
EPS (diluted)
CSGP
CSGP
RBLX
RBLX
Q4 25
$0.12
$-0.44
Q3 25
$-0.07
$-0.37
Q2 25
$0.01
$-0.41
Q1 25
$-0.04
$-0.32
Q4 24
$0.14
$-0.32
Q3 24
$0.13
$-0.37
Q2 24
$0.05
$-0.32
Q1 24
$0.02
$-0.43

Balance Sheet & Financial Strength

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

Metric
CSGP
CSGP
RBLX
RBLX
Cash + ST InvestmentsLiquidity on hand
$1.6B
$3.1B
Total DebtLower is stronger
$140.0M
$1.2B
Stockholders' EquityBook value
$8.3B
$394.5M
Total Assets
$10.5B
$9.6B
Debt / EquityLower = less leverage
0.02×
2.98×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSGP
CSGP
RBLX
RBLX
Q4 25
$1.6B
$3.1B
Q3 25
$1.9B
$2.9B
Q2 25
$3.6B
$2.6B
Q1 25
$3.7B
$2.7B
Q4 24
$4.7B
$2.4B
Q3 24
$2.3B
Q2 24
$2.4B
Q1 24
$2.4B
Total Debt
CSGP
CSGP
RBLX
RBLX
Q4 25
$140.0M
$1.2B
Q3 25
$1.0B
Q2 25
$1.0B
Q1 25
$1.0B
Q4 24
$1.0B
$1.2B
Q3 24
$1.0B
Q2 24
$1.0B
Q1 24
$1.0B
Stockholders' Equity
CSGP
CSGP
RBLX
RBLX
Q4 25
$8.3B
$394.5M
Q3 25
$8.6B
$407.6M
Q2 25
$8.6B
$353.2M
Q1 25
$8.6B
$310.7M
Q4 24
$7.6B
$221.4M
Q3 24
$7.5B
$189.9M
Q2 24
$7.4B
$121.5M
Q1 24
$7.3B
$71.6M
Total Assets
CSGP
CSGP
RBLX
RBLX
Q4 25
$10.5B
$9.6B
Q3 25
$10.8B
$8.6B
Q2 25
$10.5B
$7.8B
Q1 25
$10.4B
$7.5B
Q4 24
$9.3B
$7.2B
Q3 24
$9.1B
$6.7B
Q2 24
$9.1B
$6.5B
Q1 24
$9.0B
$6.3B
Debt / Equity
CSGP
CSGP
RBLX
RBLX
Q4 25
0.02×
2.98×
Q3 25
0.12×
Q2 25
0.12×
Q1 25
0.12×
Q4 24
0.13×
5.48×
Q3 24
0.13×
Q2 24
0.14×
Q1 24
0.14×

Cash Flow & Capital Efficiency

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

Metric
CSGP
CSGP
RBLX
RBLX
Operating Cash FlowLast quarter
$162.1M
$607.0M
Free Cash FlowOCF − Capex
$101.3M
$308.6M
FCF MarginFCF / Revenue
11.3%
21.8%
Capex IntensityCapex / Revenue
6.8%
21.1%
Cash ConversionOCF / Net Profit
3.49×
TTM Free Cash FlowTrailing 4 quarters
$123.0M
$1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSGP
CSGP
RBLX
RBLX
Q4 25
$162.1M
$607.0M
Q3 25
$68.2M
$546.2M
Q2 25
$146.5M
$199.3M
Q1 25
$53.2M
$443.9M
Q4 24
$94.6M
$184.5M
Q3 24
$100.3M
$247.4M
Q2 24
$58.1M
$151.4M
Q1 24
$139.6M
$238.9M
Free Cash Flow
CSGP
CSGP
RBLX
RBLX
Q4 25
$101.3M
$308.6M
Q3 25
$-5.5M
$443.6M
Q2 25
$27.7M
$176.7M
Q1 25
$-500.0K
$426.5M
Q4 24
$25.2M
$120.6M
Q3 24
$40.2M
$218.0M
Q2 24
$-14.7M
$111.7M
Q1 24
$-237.1M
$192.3M
FCF Margin
CSGP
CSGP
RBLX
RBLX
Q4 25
11.3%
21.8%
Q3 25
-0.7%
32.6%
Q2 25
3.5%
16.3%
Q1 25
-0.1%
41.2%
Q4 24
3.6%
12.2%
Q3 24
5.8%
23.7%
Q2 24
-2.2%
12.5%
Q1 24
-36.1%
24.0%
Capex Intensity
CSGP
CSGP
RBLX
RBLX
Q4 25
6.8%
21.1%
Q3 25
8.8%
7.5%
Q2 25
15.2%
2.1%
Q1 25
7.3%
1.7%
Q4 24
9.8%
6.5%
Q3 24
8.7%
3.2%
Q2 24
10.7%
4.4%
Q1 24
57.4%
5.8%
Cash Conversion
CSGP
CSGP
RBLX
RBLX
Q4 25
3.49×
Q3 25
Q2 25
23.63×
Q1 25
Q4 24
1.58×
Q3 24
1.89×
Q2 24
3.03×
Q1 24
20.84×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSGP
CSGP

Co Star$503.8M56%
Other$283.0M31%
Loop Net$94.7M11%

RBLX
RBLX

Segment breakdown not available.

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