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Side-by-side financial comparison of FOSTER L B CO (FSTR) and Kiniksa Pharmaceuticals International, plc (KNSA). Click either name above to swap in a different company.

Kiniksa Pharmaceuticals International, plc is the larger business by last-quarter revenue ($202.1M vs $160.4M, roughly 1.3× FOSTER L B CO). Kiniksa Pharmaceuticals International, plc runs the higher net margin — 7.0% vs 1.5%, a 5.5% gap on every dollar of revenue. On growth, Kiniksa Pharmaceuticals International, plc posted the faster year-over-year revenue change (65.0% vs 25.1%). Kiniksa Pharmaceuticals International, plc produced more free cash flow last quarter ($53.3M vs $19.8M). Over the past eight quarters, Kiniksa Pharmaceuticals International, plc's revenue compounded faster (59.1% CAGR vs 13.6%).

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.

Kiniksa Pharmaceuticals International plc is a global biopharmaceutical firm focused on discovering, developing and commercializing targeted therapies for patients with unmet medical needs, primarily in autoimmune, inflammatory and rare disease segments. It operates across major markets including North America, Europe and Asia, advancing a pipeline of clinical-stage and approved treatment candidates.

FSTR vs KNSA — Head-to-Head

Bigger by revenue
KNSA
KNSA
1.3× larger
KNSA
$202.1M
$160.4M
FSTR
Growing faster (revenue YoY)
KNSA
KNSA
+39.8% gap
KNSA
65.0%
25.1%
FSTR
Higher net margin
KNSA
KNSA
5.5% more per $
KNSA
7.0%
1.5%
FSTR
More free cash flow
KNSA
KNSA
$33.5M more FCF
KNSA
$53.3M
$19.8M
FSTR
Faster 2-yr revenue CAGR
KNSA
KNSA
Annualised
KNSA
59.1%
13.6%
FSTR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FSTR
FSTR
KNSA
KNSA
Revenue
$160.4M
$202.1M
Net Profit
$2.4M
$14.2M
Gross Margin
19.7%
89.6%
Operating Margin
4.9%
9.8%
Net Margin
1.5%
7.0%
Revenue YoY
25.1%
65.0%
Net Profit YoY
1098.3%
259.8%
EPS (diluted)
$0.22
$0.18

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
KNSA
KNSA
Q4 25
$160.4M
$202.1M
Q3 25
$138.3M
$180.9M
Q2 25
$143.6M
$156.8M
Q1 25
$97.8M
$137.8M
Q4 24
$128.2M
$122.5M
Q3 24
$137.5M
$112.2M
Q2 24
$140.8M
$108.6M
Q1 24
$124.3M
$79.9M
Net Profit
FSTR
FSTR
KNSA
KNSA
Q4 25
$2.4M
$14.2M
Q3 25
$4.4M
$18.4M
Q2 25
$2.9M
$17.8M
Q1 25
$-2.1M
$8.5M
Q4 24
$-242.0K
$-8.9M
Q3 24
$35.9M
$-12.7M
Q2 24
$2.8M
$-3.9M
Q1 24
$4.4M
$-17.7M
Gross Margin
FSTR
FSTR
KNSA
KNSA
Q4 25
19.7%
89.6%
Q3 25
22.5%
88.8%
Q2 25
21.5%
88.1%
Q1 25
20.6%
87.0%
Q4 24
22.3%
85.4%
Q3 24
23.8%
82.1%
Q2 24
21.7%
88.7%
Q1 24
21.1%
86.7%
Operating Margin
FSTR
FSTR
KNSA
KNSA
Q4 25
4.9%
9.8%
Q3 25
6.0%
13.3%
Q2 25
5.3%
12.9%
Q1 25
-2.0%
9.6%
Q4 24
2.4%
-15.7%
Q3 24
5.3%
-8.6%
Q2 24
3.2%
-0.1%
Q1 24
4.5%
-20.7%
Net Margin
FSTR
FSTR
KNSA
KNSA
Q4 25
1.5%
7.0%
Q3 25
3.1%
10.2%
Q2 25
2.0%
11.4%
Q1 25
-2.2%
6.2%
Q4 24
-0.2%
-7.3%
Q3 24
26.1%
-11.3%
Q2 24
2.0%
-3.6%
Q1 24
3.6%
-22.2%
EPS (diluted)
FSTR
FSTR
KNSA
KNSA
Q4 25
$0.22
$0.18
Q3 25
$0.40
$0.23
Q2 25
$0.27
$0.23
Q1 25
$-0.20
$0.11
Q4 24
$-0.04
$-0.11
Q3 24
$3.27
$-0.18
Q2 24
$0.26
$-0.06
Q1 24
$0.40
$-0.25

Balance Sheet & Financial Strength

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

Metric
FSTR
FSTR
KNSA
KNSA
Cash + ST InvestmentsLiquidity on hand
$4.3M
$414.1M
Total DebtLower is stronger
$42.6M
Stockholders' EquityBook value
$175.3M
$567.6M
Total Assets
$330.4M
$763.6M
Debt / EquityLower = less leverage
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSTR
FSTR
KNSA
KNSA
Q4 25
$4.3M
$414.1M
Q3 25
$3.4M
$352.1M
Q2 25
$4.2M
$307.8M
Q1 25
$2.6M
$268.3M
Q4 24
$2.5M
$243.6M
Q3 24
$3.1M
$223.8M
Q2 24
$4.0M
$218.8M
Q1 24
$3.1M
$213.6M
Total Debt
FSTR
FSTR
KNSA
KNSA
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
KNSA
KNSA
Q4 25
$175.3M
$567.6M
Q3 25
$174.8M
$535.4M
Q2 25
$174.4M
$495.0M
Q1 25
$170.8M
$457.5M
Q4 24
$178.3M
$438.4M
Q3 24
$181.9M
$437.0M
Q2 24
$147.1M
$435.1M
Q1 24
$144.6M
$431.9M
Total Assets
FSTR
FSTR
KNSA
KNSA
Q4 25
$330.4M
$763.6M
Q3 25
$333.9M
$712.3M
Q2 25
$349.9M
$661.1M
Q1 25
$342.8M
$599.3M
Q4 24
$334.6M
$580.6M
Q3 24
$344.5M
$555.3M
Q2 24
$333.3M
$542.4M
Q1 24
$326.4M
$519.7M
Debt / Equity
FSTR
FSTR
KNSA
KNSA
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
KNSA
KNSA
Operating Cash FlowLast quarter
$22.2M
$53.9M
Free Cash FlowOCF − Capex
$19.8M
$53.3M
FCF MarginFCF / Revenue
12.3%
26.4%
Capex IntensityCapex / Revenue
1.5%
0.3%
Cash ConversionOCF / Net Profit
9.18×
3.80×
TTM Free Cash FlowTrailing 4 quarters
$25.2M
$136.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSTR
FSTR
KNSA
KNSA
Q4 25
$22.2M
$53.9M
Q3 25
$29.2M
$33.7M
Q2 25
$10.4M
$28.1M
Q1 25
$-26.1M
$22.3M
Q4 24
$24.3M
$18.8M
Q3 24
$24.7M
$-2.2M
Q2 24
$-5.0M
$5.2M
Q1 24
$-21.4M
$4.0M
Free Cash Flow
FSTR
FSTR
KNSA
KNSA
Q4 25
$19.8M
$53.3M
Q3 25
$26.4M
$33.0M
Q2 25
$7.7M
$27.9M
Q1 25
$-28.7M
$22.2M
Q4 24
$22.3M
$18.6M
Q3 24
$21.7M
Q2 24
$-7.0M
Q1 24
$-24.2M
$3.9M
FCF Margin
FSTR
FSTR
KNSA
KNSA
Q4 25
12.3%
26.4%
Q3 25
19.1%
18.2%
Q2 25
5.4%
17.8%
Q1 25
-29.4%
16.1%
Q4 24
17.4%
15.2%
Q3 24
15.8%
Q2 24
-5.0%
Q1 24
-19.4%
4.9%
Capex Intensity
FSTR
FSTR
KNSA
KNSA
Q4 25
1.5%
0.3%
Q3 25
2.0%
0.4%
Q2 25
1.9%
0.1%
Q1 25
2.6%
0.1%
Q4 24
1.5%
0.2%
Q3 24
2.2%
0.0%
Q2 24
1.5%
0.0%
Q1 24
2.2%
0.1%
Cash Conversion
FSTR
FSTR
KNSA
KNSA
Q4 25
9.18×
3.80×
Q3 25
6.70×
1.83×
Q2 25
3.61×
1.58×
Q1 25
2.61×
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%

KNSA
KNSA

Segment breakdown not available.

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