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Side-by-side financial comparison of AMICUS THERAPEUTICS, INC. (FOLD) and FOSTER L B CO (FSTR). Click either name above to swap in a different company.

AMICUS THERAPEUTICS, INC. is the larger business by last-quarter revenue ($185.2M vs $160.4M, roughly 1.2× FOSTER L B CO). FOSTER L B CO runs the higher net margin — 1.5% vs 0.9%, a 0.6% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs 23.7%). FOSTER L B CO produced more free cash flow last quarter ($19.8M vs $16.0M). Over the past eight quarters, AMICUS THERAPEUTICS, INC.'s revenue compounded faster (29.5% CAGR vs 13.6%).

Amicus Therapeutics, Inc. is a public American biopharmaceutical company based in Philadelphia, Pennsylvania. The company went public in 2007 under the Nasdaq trading symbol FOLD. This followed a 2006 planned offering and subsequent withdrawal, which would have established the trading symbol as AMTX Prior to their IPO, Amicus was funded by a variety of venture capital firms including Radius Ventures, Canaan Partners and New Enterprise Associates.

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.

FOLD vs FSTR — Head-to-Head

Bigger by revenue
FOLD
FOLD
1.2× larger
FOLD
$185.2M
$160.4M
FSTR
Growing faster (revenue YoY)
FSTR
FSTR
+1.4% gap
FSTR
25.1%
23.7%
FOLD
Higher net margin
FSTR
FSTR
0.6% more per $
FSTR
1.5%
0.9%
FOLD
More free cash flow
FSTR
FSTR
$3.9M more FCF
FSTR
$19.8M
$16.0M
FOLD
Faster 2-yr revenue CAGR
FOLD
FOLD
Annualised
FOLD
29.5%
13.6%
FSTR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FOLD
FOLD
FSTR
FSTR
Revenue
$185.2M
$160.4M
Net Profit
$1.7M
$2.4M
Gross Margin
85.7%
19.7%
Operating Margin
8.6%
4.9%
Net Margin
0.9%
1.5%
Revenue YoY
23.7%
25.1%
Net Profit YoY
-88.5%
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
FOLD
FOLD
FSTR
FSTR
Q4 25
$185.2M
$160.4M
Q3 25
$169.1M
$138.3M
Q2 25
$154.7M
$143.6M
Q1 25
$125.2M
$97.8M
Q4 24
$149.7M
$128.2M
Q3 24
$141.5M
$137.5M
Q2 24
$126.7M
$140.8M
Q1 24
$110.4M
$124.3M
Net Profit
FOLD
FOLD
FSTR
FSTR
Q4 25
$1.7M
$2.4M
Q3 25
$17.3M
$4.4M
Q2 25
$-24.4M
$2.9M
Q1 25
$-21.7M
$-2.1M
Q4 24
$14.7M
$-242.0K
Q3 24
$-6.7M
$35.9M
Q2 24
$-15.7M
$2.8M
Q1 24
$-48.4M
$4.4M
Gross Margin
FOLD
FOLD
FSTR
FSTR
Q4 25
85.7%
19.7%
Q3 25
88.5%
22.5%
Q2 25
90.2%
21.5%
Q1 25
90.7%
20.6%
Q4 24
90.1%
22.3%
Q3 24
90.6%
23.8%
Q2 24
91.1%
21.7%
Q1 24
87.7%
21.1%
Operating Margin
FOLD
FOLD
FSTR
FSTR
Q4 25
8.6%
4.9%
Q3 25
20.3%
6.0%
Q2 25
-6.1%
5.3%
Q1 25
-6.3%
-2.0%
Q4 24
10.7%
2.4%
Q3 24
15.3%
5.3%
Q2 24
11.8%
3.2%
Q1 24
-25.1%
4.5%
Net Margin
FOLD
FOLD
FSTR
FSTR
Q4 25
0.9%
1.5%
Q3 25
10.2%
3.1%
Q2 25
-15.8%
2.0%
Q1 25
-17.3%
-2.2%
Q4 24
9.8%
-0.2%
Q3 24
-4.8%
26.1%
Q2 24
-12.4%
2.0%
Q1 24
-43.9%
3.6%
EPS (diluted)
FOLD
FOLD
FSTR
FSTR
Q4 25
$0.00
$0.22
Q3 25
$0.06
$0.40
Q2 25
$-0.08
$0.27
Q1 25
$-0.07
$-0.20
Q4 24
$0.05
$-0.04
Q3 24
$-0.02
$3.27
Q2 24
$-0.05
$0.26
Q1 24
$-0.16
$0.40

Balance Sheet & Financial Strength

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

Metric
FOLD
FOLD
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$293.5M
$4.3M
Total DebtLower is stronger
$392.7M
$42.6M
Stockholders' EquityBook value
$274.2M
$175.3M
Total Assets
$949.9M
$330.4M
Debt / EquityLower = less leverage
1.43×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FOLD
FOLD
FSTR
FSTR
Q4 25
$293.5M
$4.3M
Q3 25
$263.8M
$3.4M
Q2 25
$231.0M
$4.2M
Q1 25
$250.6M
$2.6M
Q4 24
$249.9M
$2.5M
Q3 24
$249.8M
$3.1M
Q2 24
$260.1M
$4.0M
Q1 24
$239.6M
$3.1M
Total Debt
FOLD
FOLD
FSTR
FSTR
Q4 25
$392.7M
$42.6M
Q3 25
$392.0M
$58.6M
Q2 25
$391.3M
$81.4M
Q1 25
$390.7M
$82.3M
Q4 24
$390.1M
$46.8M
Q3 24
$389.5M
$68.4M
Q2 24
$388.9M
$87.0M
Q1 24
$388.4M
$77.9M
Stockholders' Equity
FOLD
FOLD
FSTR
FSTR
Q4 25
$274.2M
$175.3M
Q3 25
$230.4M
$174.8M
Q2 25
$204.3M
$174.4M
Q1 25
$193.6M
$170.8M
Q4 24
$194.0M
$178.3M
Q3 24
$178.8M
$181.9M
Q2 24
$132.5M
$147.1M
Q1 24
$130.7M
$144.6M
Total Assets
FOLD
FOLD
FSTR
FSTR
Q4 25
$949.9M
$330.4M
Q3 25
$868.8M
$333.9M
Q2 25
$815.3M
$349.9M
Q1 25
$789.8M
$342.8M
Q4 24
$785.0M
$334.6M
Q3 24
$786.6M
$344.5M
Q2 24
$749.5M
$333.3M
Q1 24
$721.8M
$326.4M
Debt / Equity
FOLD
FOLD
FSTR
FSTR
Q4 25
1.43×
0.24×
Q3 25
1.70×
0.33×
Q2 25
1.92×
0.47×
Q1 25
2.02×
0.48×
Q4 24
2.01×
0.26×
Q3 24
2.18×
0.38×
Q2 24
2.93×
0.59×
Q1 24
2.97×
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
FOLD
FOLD
FSTR
FSTR
Operating Cash FlowLast quarter
$16.3M
$22.2M
Free Cash FlowOCF − Capex
$16.0M
$19.8M
FCF MarginFCF / Revenue
8.6%
12.3%
Capex IntensityCapex / Revenue
0.2%
1.5%
Cash ConversionOCF / Net Profit
9.62×
9.18×
TTM Free Cash FlowTrailing 4 quarters
$29.8M
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FOLD
FOLD
FSTR
FSTR
Q4 25
$16.3M
$22.2M
Q3 25
$35.7M
$29.2M
Q2 25
$-26.5M
$10.4M
Q1 25
$7.8M
$-26.1M
Q4 24
$-3.9M
$24.3M
Q3 24
$-23.0M
$24.7M
Q2 24
$22.7M
$-5.0M
Q1 24
$-29.7M
$-21.4M
Free Cash Flow
FOLD
FOLD
FSTR
FSTR
Q4 25
$16.0M
$19.8M
Q3 25
$35.3M
$26.4M
Q2 25
$-28.9M
$7.7M
Q1 25
$7.5M
$-28.7M
Q4 24
$-4.2M
$22.3M
Q3 24
$-23.3M
$21.7M
Q2 24
$21.6M
$-7.0M
Q1 24
$-31.5M
$-24.2M
FCF Margin
FOLD
FOLD
FSTR
FSTR
Q4 25
8.6%
12.3%
Q3 25
20.9%
19.1%
Q2 25
-18.7%
5.4%
Q1 25
6.0%
-29.4%
Q4 24
-2.8%
17.4%
Q3 24
-16.5%
15.8%
Q2 24
17.0%
-5.0%
Q1 24
-28.5%
-19.4%
Capex Intensity
FOLD
FOLD
FSTR
FSTR
Q4 25
0.2%
1.5%
Q3 25
0.2%
2.0%
Q2 25
1.6%
1.9%
Q1 25
0.2%
2.6%
Q4 24
0.2%
1.5%
Q3 24
0.3%
2.2%
Q2 24
0.9%
1.5%
Q1 24
1.6%
2.2%
Cash Conversion
FOLD
FOLD
FSTR
FSTR
Q4 25
9.62×
9.18×
Q3 25
2.06×
6.70×
Q2 25
3.61×
Q1 25
Q4 24
-0.27×
Q3 24
0.69×
Q2 24
-1.74×
Q1 24
-4.83×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FOLD
FOLD

Other$105.8M57%
Galafold$64.8M35%
Pombiliti Opfolda$14.6M8%

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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