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

ARROWHEAD PHARMACEUTICALS, INC. is the larger business by last-quarter revenue ($264.0M vs $160.4M, roughly 1.6× FOSTER L B CO). ARROWHEAD PHARMACEUTICALS, INC. runs the higher net margin — 11.7% vs 1.5%, a 10.2% gap on every dollar of revenue. On growth, ARROWHEAD PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (10461.3% vs 25.1%). FOSTER L B CO produced more free cash flow last quarter ($19.8M vs $11.3M).

Arrowhead Pharmaceuticals, Inc. is a publicly traded biopharmaceutical company based in Pasadena, California. Arrowhead's products in development act through RNA interference (RNAi) mechanisms of action. The company focuses on treatments for hepatitis B, liver disease associated with alpha 1-antitrypsin deficiency and cardiovascular disease.

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.

ARWR vs FSTR — Head-to-Head

Bigger by revenue
ARWR
ARWR
1.6× larger
ARWR
$264.0M
$160.4M
FSTR
Growing faster (revenue YoY)
ARWR
ARWR
+10436.2% gap
ARWR
10461.3%
25.1%
FSTR
Higher net margin
ARWR
ARWR
10.2% more per $
ARWR
11.7%
1.5%
FSTR
More free cash flow
FSTR
FSTR
$8.5M more FCF
FSTR
$19.8M
$11.3M
ARWR

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ARWR
ARWR
FSTR
FSTR
Revenue
$264.0M
$160.4M
Net Profit
$30.8M
$2.4M
Gross Margin
19.7%
Operating Margin
15.5%
4.9%
Net Margin
11.7%
1.5%
Revenue YoY
10461.3%
25.1%
Net Profit YoY
117.8%
1098.3%
EPS (diluted)
$0.22
$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
ARWR
ARWR
FSTR
FSTR
Q4 25
$264.0M
$160.4M
Q3 25
$138.3M
Q2 25
$143.6M
Q1 25
$97.8M
Q4 24
$128.2M
Q3 24
$137.5M
Q2 24
$140.8M
Q1 24
$124.3M
Net Profit
ARWR
ARWR
FSTR
FSTR
Q4 25
$30.8M
$2.4M
Q3 25
$4.4M
Q2 25
$2.9M
Q1 25
$-2.1M
Q4 24
$-242.0K
Q3 24
$35.9M
Q2 24
$2.8M
Q1 24
$4.4M
Gross Margin
ARWR
ARWR
FSTR
FSTR
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
ARWR
ARWR
FSTR
FSTR
Q4 25
15.5%
4.9%
Q3 25
6.0%
Q2 25
5.3%
Q1 25
-2.0%
Q4 24
2.4%
Q3 24
5.3%
Q2 24
3.2%
Q1 24
4.5%
Net Margin
ARWR
ARWR
FSTR
FSTR
Q4 25
11.7%
1.5%
Q3 25
3.1%
Q2 25
2.0%
Q1 25
-2.2%
Q4 24
-0.2%
Q3 24
26.1%
Q2 24
2.0%
Q1 24
3.6%
EPS (diluted)
ARWR
ARWR
FSTR
FSTR
Q4 25
$0.22
$0.22
Q3 25
$0.40
Q2 25
$0.27
Q1 25
$-0.20
Q4 24
$-0.04
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
ARWR
ARWR
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$715.0M
$4.3M
Total DebtLower is stronger
$42.6M
Stockholders' EquityBook value
$568.4M
$175.3M
Total Assets
$1.6B
$330.4M
Debt / EquityLower = less leverage
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARWR
ARWR
FSTR
FSTR
Q4 25
$715.0M
$4.3M
Q3 25
$3.4M
Q2 25
$4.2M
Q1 25
$2.6M
Q4 24
$2.5M
Q3 24
$3.1M
Q2 24
$4.0M
Q1 24
$3.1M
Total Debt
ARWR
ARWR
FSTR
FSTR
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
ARWR
ARWR
FSTR
FSTR
Q4 25
$568.4M
$175.3M
Q3 25
$174.8M
Q2 25
$174.4M
Q1 25
$170.8M
Q4 24
$178.3M
Q3 24
$181.9M
Q2 24
$147.1M
Q1 24
$144.6M
Total Assets
ARWR
ARWR
FSTR
FSTR
Q4 25
$1.6B
$330.4M
Q3 25
$333.9M
Q2 25
$349.9M
Q1 25
$342.8M
Q4 24
$334.6M
Q3 24
$344.5M
Q2 24
$333.3M
Q1 24
$326.4M
Debt / Equity
ARWR
ARWR
FSTR
FSTR
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
ARWR
ARWR
FSTR
FSTR
Operating Cash FlowLast quarter
$13.5M
$22.2M
Free Cash FlowOCF − Capex
$11.3M
$19.8M
FCF MarginFCF / Revenue
4.3%
12.3%
Capex IntensityCapex / Revenue
0.8%
1.5%
Cash ConversionOCF / Net Profit
0.44×
9.18×
TTM Free Cash FlowTrailing 4 quarters
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARWR
ARWR
FSTR
FSTR
Q4 25
$13.5M
$22.2M
Q3 25
$29.2M
Q2 25
$10.4M
Q1 25
$-26.1M
Q4 24
$24.3M
Q3 24
$24.7M
Q2 24
$-5.0M
Q1 24
$-21.4M
Free Cash Flow
ARWR
ARWR
FSTR
FSTR
Q4 25
$11.3M
$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
ARWR
ARWR
FSTR
FSTR
Q4 25
4.3%
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
ARWR
ARWR
FSTR
FSTR
Q4 25
0.8%
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
ARWR
ARWR
FSTR
FSTR
Q4 25
0.44×
9.18×
Q3 25
6.70×
Q2 25
3.61×
Q1 25
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

ARWR
ARWR

Segment breakdown not available.

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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