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Side-by-side financial comparison of Arcturus Therapeutics Holdings Inc. (ARCT) and CSP INC (CSPI). Click either name above to swap in a different company.

CSP INC is the larger business by last-quarter revenue ($12.0M vs $7.2M, roughly 1.7× Arcturus Therapeutics Holdings Inc.). On growth, CSP INC posted the faster year-over-year revenue change (-23.2% vs -68.4%). CSP INC produced more free cash flow last quarter ($-3.0M vs $-74.5M). Over the past eight quarters, CSP INC's revenue compounded faster (-6.3% CAGR vs -56.5%).

Arcturus Therapeutics Holdings Inc. is an American RNA medicines biotechnology company focused on the discovery, development and commercialization of therapeutics for rare diseases and infectious diseases. Arcturus has developed proprietary lipid nanoparticle RNA therapeutics for nucleic acid medicines including small interfering RNA (siRNA), messenger RNA (mRNA), gene editing RNA, DNA, antisense oligonucleotides, and microRNA.

CSP Inc. is a U.S.-based technology firm offering cybersecurity solutions, managed IT services, high-performance computing systems, and IT consulting support. It serves enterprises across healthcare, finance, manufacturing, and public sectors in North America and select global markets.

ARCT vs CSPI — Head-to-Head

Bigger by revenue
CSPI
CSPI
1.7× larger
CSPI
$12.0M
$7.2M
ARCT
Growing faster (revenue YoY)
CSPI
CSPI
+45.2% gap
CSPI
-23.2%
-68.4%
ARCT
More free cash flow
CSPI
CSPI
$71.5M more FCF
CSPI
$-3.0M
$-74.5M
ARCT
Faster 2-yr revenue CAGR
CSPI
CSPI
Annualised
CSPI
-6.3%
-56.5%
ARCT

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ARCT
ARCT
CSPI
CSPI
Revenue
$7.2M
$12.0M
Net Profit
$91.0K
Gross Margin
39.3%
Operating Margin
-0.9%
Net Margin
0.8%
Revenue YoY
-68.4%
-23.2%
Net Profit YoY
3.1%
-80.7%
EPS (diluted)
$0.01

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
ARCT
ARCT
CSPI
CSPI
Q4 25
$7.2M
$12.0M
Q3 25
$17.2M
$14.5M
Q2 25
$28.3M
$15.4M
Q1 25
$29.4M
$13.1M
Q4 24
$22.8M
$15.7M
Q3 24
$41.7M
$13.0M
Q2 24
$49.9M
$13.1M
Q1 24
$38.0M
$13.7M
Net Profit
ARCT
ARCT
CSPI
CSPI
Q4 25
$91.0K
Q3 25
$-13.4M
$-191.0K
Q2 25
$-9.2M
$-264.0K
Q1 25
$-14.1M
$-108.0K
Q4 24
$-30.0M
$472.0K
Q3 24
$-6.9M
$-1.7M
Q2 24
$-17.2M
$-185.0K
Q1 24
$-26.8M
$1.6M
Gross Margin
ARCT
ARCT
CSPI
CSPI
Q4 25
39.3%
Q3 25
36.6%
Q2 25
28.8%
Q1 25
32.0%
Q4 24
29.1%
Q3 24
28.4%
Q2 24
35.0%
Q1 24
47.3%
Operating Margin
ARCT
ARCT
CSPI
CSPI
Q4 25
-0.9%
Q3 25
-96.3%
-3.7%
Q2 25
-41.0%
-7.9%
Q1 25
-57.3%
-7.6%
Q4 24
-146.7%
-2.3%
Q3 24
-25.8%
-15.7%
Q2 24
-42.4%
-5.5%
Q1 24
-80.0%
9.0%
Net Margin
ARCT
ARCT
CSPI
CSPI
Q4 25
0.8%
Q3 25
-78.4%
-1.3%
Q2 25
-32.4%
-1.7%
Q1 25
-47.9%
-0.8%
Q4 24
-131.8%
3.0%
Q3 24
-16.6%
-12.7%
Q2 24
-34.5%
-1.4%
Q1 24
-70.5%
11.6%
EPS (diluted)
ARCT
ARCT
CSPI
CSPI
Q4 25
$0.01
Q3 25
$-0.49
$-0.02
Q2 25
$-0.34
$-0.03
Q1 25
$-0.52
$-0.01
Q4 24
$-1.10
$0.05
Q3 24
$-0.26
$-0.17
Q2 24
$-0.64
$-0.02
Q1 24
$-1.00
$0.16

Balance Sheet & Financial Strength

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

Metric
ARCT
ARCT
CSPI
CSPI
Cash + ST InvestmentsLiquidity on hand
$230.9M
$24.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$214.0M
$44.8M
Total Assets
$271.1M
$69.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARCT
ARCT
CSPI
CSPI
Q4 25
$230.9M
$24.9M
Q3 25
$180.4M
$27.4M
Q2 25
$196.5M
$26.3M
Q1 25
$216.9M
$29.5M
Q4 24
$237.0M
$30.7M
Q3 24
$237.2M
$30.6M
Q2 24
$260.3M
$28.9M
Q1 24
$288.4M
$27.1M
Stockholders' Equity
ARCT
ARCT
CSPI
CSPI
Q4 25
$214.0M
$44.8M
Q3 25
$224.6M
$44.6M
Q2 25
$231.1M
$47.5M
Q1 25
$233.8M
$47.5M
Q4 24
$241.0M
$47.5M
Q3 24
$261.9M
$47.3M
Q2 24
$258.6M
$48.1M
Q1 24
$264.0M
$48.2M
Total Assets
ARCT
ARCT
CSPI
CSPI
Q4 25
$271.1M
$69.2M
Q3 25
$282.3M
$71.2M
Q2 25
$309.3M
$66.8M
Q1 25
$331.8M
$67.1M
Q4 24
$344.1M
$67.5M
Q3 24
$370.7M
$69.4M
Q2 24
$388.6M
$66.8M
Q1 24
$418.8M
$64.2M

Cash Flow & Capital Efficiency

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

Metric
ARCT
ARCT
CSPI
CSPI
Operating Cash FlowLast quarter
$-74.3M
$-2.9M
Free Cash FlowOCF − Capex
$-74.5M
$-3.0M
FCF MarginFCF / Revenue
-1035.2%
-25.1%
Capex IntensityCapex / Revenue
3.2%
0.9%
Cash ConversionOCF / Net Profit
-32.04×
TTM Free Cash FlowTrailing 4 quarters
$-2.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARCT
ARCT
CSPI
CSPI
Q4 25
$-74.3M
$-2.9M
Q3 25
$-17.2M
$1.9M
Q2 25
$-5.8M
$-3.3M
Q1 25
$-35.1M
$1.9M
Q4 24
$-284.0K
$1.7M
Q3 24
$-23.8M
$-1.5M
Q2 24
$-30.1M
$2.4M
Q1 24
$-5.6M
$1.7M
Free Cash Flow
ARCT
ARCT
CSPI
CSPI
Q4 25
$-74.5M
$-3.0M
Q3 25
$-17.3M
$1.7M
Q2 25
$-3.3M
Q1 25
$-35.3M
$1.9M
Q4 24
$1.7M
Q3 24
$-23.8M
$-1.5M
Q2 24
$-30.5M
$2.4M
Q1 24
$-5.8M
$1.6M
FCF Margin
ARCT
ARCT
CSPI
CSPI
Q4 25
-1035.2%
-25.1%
Q3 25
-101.1%
11.5%
Q2 25
-21.7%
Q1 25
-120.1%
14.5%
Q4 24
10.8%
Q3 24
-57.2%
-11.7%
Q2 24
-61.1%
17.9%
Q1 24
-15.3%
11.9%
Capex Intensity
ARCT
ARCT
CSPI
CSPI
Q4 25
3.2%
0.9%
Q3 25
1.1%
1.6%
Q2 25
0.0%
0.4%
Q1 25
0.5%
0.1%
Q4 24
0.0%
0.3%
Q3 24
0.2%
0.1%
Q2 24
0.7%
0.3%
Q1 24
0.6%
0.1%
Cash Conversion
ARCT
ARCT
CSPI
CSPI
Q4 25
-32.04×
Q3 25
Q2 25
Q1 25
Q4 24
3.69×
Q3 24
Q2 24
Q1 24
1.04×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ARCT
ARCT

Segment breakdown not available.

CSPI
CSPI

Products$6.7M56%
Services$5.3M44%

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