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

FOSTER L B CO is the larger business by last-quarter revenue ($160.4M vs $141.2M, roughly 1.1× AtriCure, Inc.). FOSTER L B CO runs the higher net margin — 1.5% vs 0.1%, a 1.4% 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 10.2%).

AtriCure, Inc. is a global medical device company specializing in the research, development, and manufacturing of innovative surgical tools and therapeutic solutions for treating atrial fibrillation and associated cardiac conditions. Its core customers include hospitals, cardiac surgery centers, and healthcare providers across North America, Europe, and the Asia Pacific region, with products designed to support safer, more effective minimally invasive cardiac procedures.

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.

ATRC vs FSTR — Head-to-Head

Bigger by revenue
FSTR
FSTR
1.1× larger
FSTR
$160.4M
$141.2M
ATRC
Growing faster (revenue YoY)
FSTR
FSTR
+10.9% gap
FSTR
25.1%
14.3%
ATRC
Higher net margin
FSTR
FSTR
1.4% more per $
FSTR
1.5%
0.1%
ATRC
Faster 2-yr revenue CAGR
FSTR
FSTR
Annualised
FSTR
13.6%
10.2%
ATRC

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ATRC
ATRC
FSTR
FSTR
Revenue
$141.2M
$160.4M
Net Profit
$108.0K
$2.4M
Gross Margin
77.4%
19.7%
Operating Margin
23.0%
4.9%
Net Margin
0.1%
1.5%
Revenue YoY
14.3%
25.1%
Net Profit YoY
1098.3%
EPS (diluted)
$0.00
$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
ATRC
ATRC
FSTR
FSTR
Q1 26
$141.2M
Q4 25
$140.5M
$160.4M
Q3 25
$134.3M
$138.3M
Q2 25
$136.1M
$143.6M
Q1 25
$123.6M
$97.8M
Q4 24
$124.3M
$128.2M
Q3 24
$115.9M
$137.5M
Q2 24
$116.3M
$140.8M
Net Profit
ATRC
ATRC
FSTR
FSTR
Q1 26
$108.0K
Q4 25
$2.4M
Q3 25
$-267.0K
$4.4M
Q2 25
$-6.2M
$2.9M
Q1 25
$-6.7M
$-2.1M
Q4 24
$-242.0K
Q3 24
$-7.9M
$35.9M
Q2 24
$-8.0M
$2.8M
Gross Margin
ATRC
ATRC
FSTR
FSTR
Q1 26
77.4%
Q4 25
75.0%
19.7%
Q3 25
75.5%
22.5%
Q2 25
74.5%
21.5%
Q1 25
74.9%
20.6%
Q4 24
74.5%
22.3%
Q3 24
74.9%
23.8%
Q2 24
74.7%
21.7%
Operating Margin
ATRC
ATRC
FSTR
FSTR
Q1 26
23.0%
Q4 25
1.8%
4.9%
Q3 25
0.2%
6.0%
Q2 25
-4.5%
5.3%
Q1 25
-4.8%
-2.0%
Q4 24
-11.7%
2.4%
Q3 24
-6.4%
5.3%
Q2 24
-6.2%
3.2%
Net Margin
ATRC
ATRC
FSTR
FSTR
Q1 26
0.1%
Q4 25
1.5%
Q3 25
-0.2%
3.1%
Q2 25
-4.5%
2.0%
Q1 25
-5.5%
-2.2%
Q4 24
-0.2%
Q3 24
-6.8%
26.1%
Q2 24
-6.9%
2.0%
EPS (diluted)
ATRC
ATRC
FSTR
FSTR
Q1 26
$0.00
Q4 25
$0.04
$0.22
Q3 25
$-0.01
$0.40
Q2 25
$-0.13
$0.27
Q1 25
$-0.14
$-0.20
Q4 24
$-0.33
$-0.04
Q3 24
$-0.17
$3.27
Q2 24
$-0.17
$0.26

Balance Sheet & Financial Strength

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

Metric
ATRC
ATRC
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$146.2M
$4.3M
Total DebtLower is stronger
$61.0M
$42.6M
Stockholders' EquityBook value
$491.7M
$175.3M
Total Assets
$644.0M
$330.4M
Debt / EquityLower = less leverage
0.12×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATRC
ATRC
FSTR
FSTR
Q1 26
$146.2M
Q4 25
$167.4M
$4.3M
Q3 25
$147.9M
$3.4M
Q2 25
$117.8M
$4.2M
Q1 25
$99.9M
$2.6M
Q4 24
$122.7M
$2.5M
Q3 24
$130.3M
$3.1M
Q2 24
$114.0M
$4.0M
Total Debt
ATRC
ATRC
FSTR
FSTR
Q1 26
$61.0M
Q4 25
$42.6M
Q3 25
$61.9M
$58.6M
Q2 25
$61.9M
$81.4M
Q1 25
$61.9M
$82.3M
Q4 24
$46.8M
Q3 24
$61.9M
$68.4M
Q2 24
$61.9M
$87.0M
Stockholders' Equity
ATRC
ATRC
FSTR
FSTR
Q1 26
$491.7M
Q4 25
$491.9M
$175.3M
Q3 25
$476.5M
$174.8M
Q2 25
$464.5M
$174.4M
Q1 25
$454.6M
$170.8M
Q4 24
$461.0M
$178.3M
Q3 24
$465.0M
$181.9M
Q2 24
$462.1M
$147.1M
Total Assets
ATRC
ATRC
FSTR
FSTR
Q1 26
$644.0M
Q4 25
$654.2M
$330.4M
Q3 25
$635.4M
$333.9M
Q2 25
$608.8M
$349.9M
Q1 25
$591.6M
$342.8M
Q4 24
$609.3M
$334.6M
Q3 24
$615.1M
$344.5M
Q2 24
$597.3M
$333.3M
Debt / Equity
ATRC
ATRC
FSTR
FSTR
Q1 26
0.12×
Q4 25
0.24×
Q3 25
0.13×
0.33×
Q2 25
0.13×
0.47×
Q1 25
0.14×
0.48×
Q4 24
0.26×
Q3 24
0.13×
0.38×
Q2 24
0.13×
0.59×

Cash Flow & Capital Efficiency

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

Metric
ATRC
ATRC
FSTR
FSTR
Operating Cash FlowLast quarter
$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
ATRC
ATRC
FSTR
FSTR
Q1 26
Q4 25
$20.0M
$22.2M
Q3 25
$26.7M
$29.2M
Q2 25
$21.6M
$10.4M
Q1 25
$-11.0M
$-26.1M
Q4 24
$5.8M
$24.3M
Q3 24
$20.0M
$24.7M
Q2 24
$7.4M
$-5.0M
Free Cash Flow
ATRC
ATRC
FSTR
FSTR
Q1 26
Q4 25
$18.4M
$19.8M
Q3 25
$24.1M
$26.4M
Q2 25
$19.0M
$7.7M
Q1 25
$-13.2M
$-28.7M
Q4 24
$3.1M
$22.3M
Q3 24
$16.4M
$21.7M
Q2 24
$5.0M
$-7.0M
FCF Margin
ATRC
ATRC
FSTR
FSTR
Q1 26
Q4 25
13.1%
12.3%
Q3 25
18.0%
19.1%
Q2 25
13.9%
5.4%
Q1 25
-10.7%
-29.4%
Q4 24
2.5%
17.4%
Q3 24
14.1%
15.8%
Q2 24
4.3%
-5.0%
Capex Intensity
ATRC
ATRC
FSTR
FSTR
Q1 26
Q4 25
1.1%
1.5%
Q3 25
1.9%
2.0%
Q2 25
2.0%
1.9%
Q1 25
1.8%
2.6%
Q4 24
2.2%
1.5%
Q3 24
3.1%
2.2%
Q2 24
2.1%
1.5%
Cash Conversion
ATRC
ATRC
FSTR
FSTR
Q1 26
Q4 25
9.18×
Q3 25
6.70×
Q2 25
3.61×
Q1 25
Q4 24
Q3 24
0.69×
Q2 24
-1.74×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ATRC
ATRC

Appendage management$48.4M34%
Open ablation$39.1M28%
Other$25.0M18%
Pain management$22.4M16%
Minimally invasive ablation$6.4M5%

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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