vs

Side-by-side financial comparison of FOSTER L B CO (FSTR) and Stoke Therapeutics, Inc. (STOK). 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 $158.6M, roughly 1.0× Stoke Therapeutics, Inc.). Stoke Therapeutics, Inc. runs the higher net margin — 71.2% vs 1.5%, a 69.7% gap on every dollar of revenue. On growth, Stoke Therapeutics, Inc. posted the faster year-over-year revenue change (3661.1% vs 25.1%). Stoke Therapeutics, Inc. produced more free cash flow last quarter ($131.7M vs $19.8M).

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.

Stoke Therapeutics, Inc. is a clinical-stage biotechnology company developing innovative RNA-targeted therapies for severe rare genetic diseases. Its lead candidates address unmet needs for Dravet syndrome, a rare epilepsy, and other neurological monogenic disorders, serving patients across North America and global markets.

FSTR vs STOK — Head-to-Head

Bigger by revenue
FSTR
FSTR
1.0× larger
FSTR
$160.4M
$158.6M
STOK
Growing faster (revenue YoY)
STOK
STOK
+3636.0% gap
STOK
3661.1%
25.1%
FSTR
Higher net margin
STOK
STOK
69.7% more per $
STOK
71.2%
1.5%
FSTR
More free cash flow
STOK
STOK
$111.9M more FCF
STOK
$131.7M
$19.8M
FSTR

Income Statement — Q4 FY2025 vs Q1 FY2025

Metric
FSTR
FSTR
STOK
STOK
Revenue
$160.4M
$158.6M
Net Profit
$2.4M
$112.9M
Gross Margin
19.7%
Operating Margin
4.9%
70.2%
Net Margin
1.5%
71.2%
Revenue YoY
25.1%
3661.1%
Net Profit YoY
1098.3%
528.0%
EPS (diluted)
$0.22
$1.90

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
FSTR
FSTR
STOK
STOK
Q4 25
$160.4M
Q3 25
$138.3M
Q2 25
$143.6M
Q1 25
$97.8M
$158.6M
Q4 24
$128.2M
$22.6M
Q3 24
$137.5M
Q2 24
$140.8M
Q1 24
$124.3M
Net Profit
FSTR
FSTR
STOK
STOK
Q4 25
$2.4M
Q3 25
$4.4M
Q2 25
$2.9M
Q1 25
$-2.1M
$112.9M
Q4 24
$-242.0K
$-10.5M
Q3 24
$35.9M
Q2 24
$2.8M
Q1 24
$4.4M
Gross Margin
FSTR
FSTR
STOK
STOK
Q4 25
19.7%
Q3 25
22.5%
Q2 25
21.5%
Q1 25
20.6%
Q4 24
22.3%
Q3 24
23.8%
Q2 24
21.7%
Q1 24
21.1%
Operating Margin
FSTR
FSTR
STOK
STOK
Q4 25
4.9%
Q3 25
6.0%
Q2 25
5.3%
Q1 25
-2.0%
70.2%
Q4 24
2.4%
-60.4%
Q3 24
5.3%
Q2 24
3.2%
Q1 24
4.5%
Net Margin
FSTR
FSTR
STOK
STOK
Q4 25
1.5%
Q3 25
3.1%
Q2 25
2.0%
Q1 25
-2.2%
71.2%
Q4 24
-0.2%
-46.4%
Q3 24
26.1%
Q2 24
2.0%
Q1 24
3.6%
EPS (diluted)
FSTR
FSTR
STOK
STOK
Q4 25
$0.22
Q3 25
$0.40
Q2 25
$0.27
Q1 25
$-0.20
$1.90
Q4 24
$-0.04
$-0.15
Q3 24
$3.27
Q2 24
$0.26
Q1 24
$0.40

Balance Sheet & Financial Strength

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

Metric
FSTR
FSTR
STOK
STOK
Cash + ST InvestmentsLiquidity on hand
$4.3M
$274.8M
Total DebtLower is stronger
$42.6M
Stockholders' EquityBook value
$175.3M
$350.1M
Total Assets
$330.4M
$406.9M
Debt / EquityLower = less leverage
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSTR
FSTR
STOK
STOK
Q4 25
$4.3M
Q3 25
$3.4M
Q2 25
$4.2M
Q1 25
$2.6M
$274.8M
Q4 24
$2.5M
$128.0M
Q3 24
$3.1M
Q2 24
$4.0M
Q1 24
$3.1M
Total Debt
FSTR
FSTR
STOK
STOK
Q4 25
$42.6M
Q3 25
$58.6M
Q2 25
$81.4M
Q1 25
$82.3M
Q4 24
$46.8M
Q3 24
$68.4M
Q2 24
$87.0M
Q1 24
$77.9M
Stockholders' Equity
FSTR
FSTR
STOK
STOK
Q4 25
$175.3M
Q3 25
$174.8M
Q2 25
$174.4M
Q1 25
$170.8M
$350.1M
Q4 24
$178.3M
$229.0M
Q3 24
$181.9M
Q2 24
$147.1M
Q1 24
$144.6M
Total Assets
FSTR
FSTR
STOK
STOK
Q4 25
$330.4M
Q3 25
$333.9M
Q2 25
$349.9M
Q1 25
$342.8M
$406.9M
Q4 24
$334.6M
$271.6M
Q3 24
$344.5M
Q2 24
$333.3M
Q1 24
$326.4M
Debt / Equity
FSTR
FSTR
STOK
STOK
Q4 25
0.24×
Q3 25
0.33×
Q2 25
0.47×
Q1 25
0.48×
Q4 24
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
FSTR
FSTR
STOK
STOK
Operating Cash FlowLast quarter
$22.2M
$131.8M
Free Cash FlowOCF − Capex
$19.8M
$131.7M
FCF MarginFCF / Revenue
12.3%
83.0%
Capex IntensityCapex / Revenue
1.5%
0.1%
Cash ConversionOCF / Net Profit
9.18×
1.17×
TTM Free Cash FlowTrailing 4 quarters
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSTR
FSTR
STOK
STOK
Q4 25
$22.2M
Q3 25
$29.2M
Q2 25
$10.4M
Q1 25
$-26.1M
$131.8M
Q4 24
$24.3M
$-23.2M
Q3 24
$24.7M
Q2 24
$-5.0M
Q1 24
$-21.4M
Free Cash Flow
FSTR
FSTR
STOK
STOK
Q4 25
$19.8M
Q3 25
$26.4M
Q2 25
$7.7M
Q1 25
$-28.7M
$131.7M
Q4 24
$22.3M
$-23.2M
Q3 24
$21.7M
Q2 24
$-7.0M
Q1 24
$-24.2M
FCF Margin
FSTR
FSTR
STOK
STOK
Q4 25
12.3%
Q3 25
19.1%
Q2 25
5.4%
Q1 25
-29.4%
83.0%
Q4 24
17.4%
-102.7%
Q3 24
15.8%
Q2 24
-5.0%
Q1 24
-19.4%
Capex Intensity
FSTR
FSTR
STOK
STOK
Q4 25
1.5%
Q3 25
2.0%
Q2 25
1.9%
Q1 25
2.6%
0.1%
Q4 24
1.5%
0.2%
Q3 24
2.2%
Q2 24
1.5%
Q1 24
2.2%
Cash Conversion
FSTR
FSTR
STOK
STOK
Q4 25
9.18×
Q3 25
6.70×
Q2 25
3.61×
Q1 25
1.17×
Q4 24
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

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%

STOK
STOK

Segment breakdown not available.

Related Comparisons