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Side-by-side financial comparison of Bumble Inc. (BMBL) and FOSTER L B CO (FSTR). Click either name above to swap in a different company.

Bumble Inc. is the larger business by last-quarter revenue ($224.2M vs $160.4M, roughly 1.4× FOSTER L B CO). FOSTER L B CO runs the higher net margin — 1.5% vs -218.7%, a 220.2% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs -14.3%). Over the past eight quarters, FOSTER L B CO's revenue compounded faster (13.6% CAGR vs -8.5%).

Bumble is a mobile app for online dating and social networking. It was founded by Whitney Wolfe Herd and was launched in December 2014. Bumble is operated by Bumble Inc., which also owns Badoo.

Foster L B Co. is a U.S.-headquartered industrial manufacturing firm that develops, produces and distributes engineered access solutions, construction components, and rail infrastructure products. It serves commercial construction, transportation, and industrial end markets across North America and selected international regions.

BMBL vs FSTR — Head-to-Head

Bigger by revenue
BMBL
BMBL
1.4× larger
BMBL
$224.2M
$160.4M
FSTR
Growing faster (revenue YoY)
FSTR
FSTR
+39.4% gap
FSTR
25.1%
-14.3%
BMBL
Higher net margin
FSTR
FSTR
220.2% more per $
FSTR
1.5%
-218.7%
BMBL
Faster 2-yr revenue CAGR
FSTR
FSTR
Annualised
FSTR
13.6%
-8.5%
BMBL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BMBL
BMBL
FSTR
FSTR
Revenue
$224.2M
$160.4M
Net Profit
$-490.2M
$2.4M
Gross Margin
71.2%
19.7%
Operating Margin
-256.8%
4.9%
Net Margin
-218.7%
1.5%
Revenue YoY
-14.3%
25.1%
Net Profit YoY
-11829.5%
1098.3%
EPS (diluted)
$-3.96
$0.22

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
BMBL
BMBL
FSTR
FSTR
Q4 25
$224.2M
$160.4M
Q3 25
$246.2M
$138.3M
Q2 25
$248.2M
$143.6M
Q1 25
$247.1M
$97.8M
Q4 24
$261.6M
$128.2M
Q3 24
$273.6M
$137.5M
Q2 24
$268.6M
$140.8M
Q1 24
$267.8M
$124.3M
Net Profit
BMBL
BMBL
FSTR
FSTR
Q4 25
$-490.2M
$2.4M
Q3 25
$37.3M
$4.4M
Q2 25
$-253.7M
$2.9M
Q1 25
$13.4M
$-2.1M
Q4 24
$4.2M
$-242.0K
Q3 24
$-613.2M
$35.9M
Q2 24
$27.4M
$2.8M
Q1 24
$24.6M
$4.4M
Gross Margin
BMBL
BMBL
FSTR
FSTR
Q4 25
71.2%
19.7%
Q3 25
71.9%
22.5%
Q2 25
70.1%
21.5%
Q1 25
70.3%
20.6%
Q4 24
22.3%
Q3 24
23.8%
Q2 24
21.7%
Q1 24
99.1%
21.1%
Operating Margin
BMBL
BMBL
FSTR
FSTR
Q4 25
-256.8%
4.9%
Q3 25
25.9%
6.0%
Q2 25
-136.3%
5.3%
Q1 25
18.1%
-2.0%
Q4 24
14.1%
2.4%
Q3 24
-306.3%
5.3%
Q2 24
19.3%
3.2%
Q1 24
18.2%
4.5%
Net Margin
BMBL
BMBL
FSTR
FSTR
Q4 25
-218.7%
1.5%
Q3 25
15.2%
3.1%
Q2 25
-102.2%
2.0%
Q1 25
5.4%
-2.2%
Q4 24
1.6%
-0.2%
Q3 24
-224.1%
26.1%
Q2 24
10.2%
2.0%
Q1 24
9.2%
3.6%
EPS (diluted)
BMBL
BMBL
FSTR
FSTR
Q4 25
$-3.96
$0.22
Q3 25
$0.33
$0.40
Q2 25
$-2.45
$0.27
Q1 25
$0.13
$-0.20
Q4 24
$0.09
$-0.04
Q3 24
$-5.11
$3.27
Q2 24
$0.22
$0.26
Q1 24
$0.19
$0.40

Balance Sheet & Financial Strength

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

Metric
BMBL
BMBL
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$175.8M
$4.3M
Total DebtLower is stronger
$590.6M
$42.6M
Stockholders' EquityBook value
$570.0M
$175.3M
Total Assets
$1.4B
$330.4M
Debt / EquityLower = less leverage
1.04×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BMBL
BMBL
FSTR
FSTR
Q4 25
$175.8M
$4.3M
Q3 25
$307.9M
$3.4M
Q2 25
$261.7M
$4.2M
Q1 25
$202.2M
$2.6M
Q4 24
$204.3M
$2.5M
Q3 24
$252.1M
$3.1M
Q2 24
$286.7M
$4.0M
Q1 24
$262.7M
$3.1M
Total Debt
BMBL
BMBL
FSTR
FSTR
Q4 25
$590.6M
$42.6M
Q3 25
$58.6M
Q2 25
$81.4M
Q1 25
$82.3M
Q4 24
$621.3M
$46.8M
Q3 24
$68.4M
Q2 24
$87.0M
Q1 24
$77.9M
Stockholders' Equity
BMBL
BMBL
FSTR
FSTR
Q4 25
$570.0M
$175.3M
Q3 25
$675.5M
$174.8M
Q2 25
$577.6M
$174.4M
Q1 25
$814.5M
$170.8M
Q4 24
$824.5M
$178.3M
Q3 24
$852.6M
$181.9M
Q2 24
$1.7B
$147.1M
Q1 24
$1.6B
$144.6M
Total Assets
BMBL
BMBL
FSTR
FSTR
Q4 25
$1.4B
$330.4M
Q3 25
$2.2B
$333.9M
Q2 25
$2.2B
$349.9M
Q1 25
$2.5B
$342.8M
Q4 24
$2.5B
$334.6M
Q3 24
$2.6B
$344.5M
Q2 24
$3.5B
$333.3M
Q1 24
$3.5B
$326.4M
Debt / Equity
BMBL
BMBL
FSTR
FSTR
Q4 25
1.04×
0.24×
Q3 25
0.33×
Q2 25
0.47×
Q1 25
0.48×
Q4 24
0.75×
0.26×
Q3 24
0.38×
Q2 24
0.59×
Q1 24
0.54×

Cash Flow & Capital Efficiency

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

Metric
BMBL
BMBL
FSTR
FSTR
Operating Cash FlowLast quarter
$59.1M
$22.2M
Free Cash FlowOCF − Capex
$19.8M
FCF MarginFCF / Revenue
12.3%
Capex IntensityCapex / Revenue
1.5%
Cash ConversionOCF / Net Profit
9.18×
TTM Free Cash FlowTrailing 4 quarters
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BMBL
BMBL
FSTR
FSTR
Q4 25
$59.1M
$22.2M
Q3 25
$76.8M
$29.2M
Q2 25
$71.2M
$10.4M
Q1 25
$43.2M
$-26.1M
Q4 24
$-5.4M
$24.3M
Q3 24
$93.5M
$24.7M
Q2 24
$32.9M
$-5.0M
Q1 24
$2.4M
$-21.4M
Free Cash Flow
BMBL
BMBL
FSTR
FSTR
Q4 25
$19.8M
Q3 25
$26.4M
Q2 25
$7.7M
Q1 25
$-28.7M
Q4 24
$22.3M
Q3 24
$21.7M
Q2 24
$-7.0M
Q1 24
$-24.2M
FCF Margin
BMBL
BMBL
FSTR
FSTR
Q4 25
12.3%
Q3 25
19.1%
Q2 25
5.4%
Q1 25
-29.4%
Q4 24
17.4%
Q3 24
15.8%
Q2 24
-5.0%
Q1 24
-19.4%
Capex Intensity
BMBL
BMBL
FSTR
FSTR
Q4 25
1.5%
Q3 25
2.0%
Q2 25
1.9%
Q1 25
2.6%
Q4 24
1.5%
Q3 24
2.2%
Q2 24
1.5%
Q1 24
2.2%
Cash Conversion
BMBL
BMBL
FSTR
FSTR
Q4 25
9.18×
Q3 25
2.06×
6.70×
Q2 25
3.61×
Q1 25
3.22×
Q4 24
-1.29×
Q3 24
0.69×
Q2 24
1.20×
-1.74×
Q1 24
0.10×
-4.83×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BMBL
BMBL

Bumble App$181.0M81%
Badoo App And Other$43.2M19%

FSTR
FSTR

Rail Technologies And Services Segment$98.0M61%
Over Time Output Method$26.3M16%
Services$19.4M12%
Rail Technologies Products$10.0M6%
Over Time Input Method$8.3M5%

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