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Side-by-side financial comparison of Ambow Education Holding Ltd. (AMBO) and SIGA TECHNOLOGIES INC (SIGA). Click either name above to swap in a different company.

SIGA TECHNOLOGIES INC is the larger business by last-quarter revenue ($3.8M vs $2.8M, roughly 1.4× Ambow Education Holding Ltd.). On growth, Ambow Education Holding Ltd. posted the faster year-over-year revenue change (15.3% vs -95.3%).

Ambow Education Holding Ltd. is a China-focused education service provider that offers personalized learning solutions, professional career training programs, and K-12 after-school tutoring services. It partners with educational institutions and enterprises to deliver technology-integrated learning resources for learners of all age groups across mainland China.

SIGA Technologies, Inc. is an American pharmaceutical company founded in 1995, based in New York City, which develops and sells pharmaceutical solutions for the antiviral treatment of smallpox, monkeypox, cowpox, and vaccinia complications.

AMBO vs SIGA — Head-to-Head

Bigger by revenue
SIGA
SIGA
1.4× larger
SIGA
$3.8M
$2.8M
AMBO
Growing faster (revenue YoY)
AMBO
AMBO
+110.6% gap
AMBO
15.3%
-95.3%
SIGA

Income Statement — Q2 FY2025 vs Q4 FY2025

Metric
AMBO
AMBO
SIGA
SIGA
Revenue
$2.8M
$3.8M
Net Profit
$1.8M
Gross Margin
53.3%
21.2%
Operating Margin
11.9%
Net Margin
64.2%
Revenue YoY
15.3%
-95.3%
Net Profit YoY
1343.1%
-111.9%
EPS (diluted)
$0.03

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
AMBO
AMBO
SIGA
SIGA
Q4 25
$3.8M
Q3 25
$2.6M
Q2 25
$2.8M
$81.1M
Q1 25
$7.0M
Q4 24
$81.5M
Q3 24
$10.0M
Q2 24
$2.4M
$21.8M
Q1 24
$25.4M
Net Profit
AMBO
AMBO
SIGA
SIGA
Q4 25
Q3 25
$-6.4M
Q2 25
$1.8M
$35.5M
Q1 25
$-408.2K
Q4 24
$45.8M
Q3 24
$1.3M
Q2 24
$123.0K
$1.8M
Q1 24
$10.3M
Gross Margin
AMBO
AMBO
SIGA
SIGA
Q4 25
21.2%
Q3 25
61.8%
Q2 25
53.3%
68.5%
Q1 25
97.8%
Q4 24
82.7%
Q3 24
83.8%
Q2 24
55.6%
43.6%
Q1 24
87.3%
Operating Margin
AMBO
AMBO
SIGA
SIGA
Q4 25
Q3 25
-390.2%
Q2 25
11.9%
56.3%
Q1 25
-32.0%
Q4 24
70.1%
Q3 24
5.4%
Q2 24
2.7%
5.0%
Q1 24
44.3%
Net Margin
AMBO
AMBO
SIGA
SIGA
Q4 25
Q3 25
-243.0%
Q2 25
64.2%
43.7%
Q1 25
-5.8%
Q4 24
56.2%
Q3 24
13.4%
Q2 24
5.1%
8.4%
Q1 24
40.4%
EPS (diluted)
AMBO
AMBO
SIGA
SIGA
Q4 25
Q3 25
$-0.09
Q2 25
$0.03
$0.49
Q1 25
$-0.01
Q4 24
$0.63
Q3 24
$0.02
Q2 24
$0.00
$0.03
Q1 24
$0.14

Balance Sheet & Financial Strength

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

Metric
AMBO
AMBO
SIGA
SIGA
Cash + ST InvestmentsLiquidity on hand
$4.1M
$155.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$8.6M
$198.8M
Total Assets
$23.2M
$219.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBO
AMBO
SIGA
SIGA
Q4 25
$155.0M
Q3 25
$172.0M
Q2 25
$4.1M
$182.5M
Q1 25
$162.3M
Q4 24
$155.4M
Q3 24
$99.3M
Q2 24
$1.6M
$106.9M
Q1 24
$143.9M
Stockholders' Equity
AMBO
AMBO
SIGA
SIGA
Q4 25
$198.8M
Q3 25
$203.5M
Q2 25
$8.6M
$209.3M
Q1 25
$216.1M
Q4 24
$215.8M
Q3 24
$169.4M
Q2 24
$6.6M
$167.6M
Q1 24
$165.0M
Total Assets
AMBO
AMBO
SIGA
SIGA
Q4 25
$219.5M
Q3 25
$231.6M
Q2 25
$23.2M
$235.3M
Q1 25
$247.1M
Q4 24
$244.3M
Q3 24
$195.4M
Q2 24
$17.6M
$192.7M
Q1 24
$243.1M

Cash Flow & Capital Efficiency

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

Metric
AMBO
AMBO
SIGA
SIGA
Operating Cash FlowLast quarter
$43.5M
Free Cash FlowOCF − Capex
$43.1M
FCF MarginFCF / Revenue
1136.4%
Capex IntensityCapex / Revenue
9.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$103.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBO
AMBO
SIGA
SIGA
Q4 25
$43.5M
Q3 25
$-9.8M
Q2 25
$63.1M
Q1 25
$7.1M
Q4 24
$56.3M
Q3 24
$-7.4M
Q2 24
$6.0M
Q1 24
$-6.1M
Free Cash Flow
AMBO
AMBO
SIGA
SIGA
Q4 25
$43.1M
Q3 25
$-10.1M
Q2 25
$63.1M
Q1 25
$7.0M
Q4 24
$56.3M
Q3 24
$-7.4M
Q2 24
$6.0M
Q1 24
FCF Margin
AMBO
AMBO
SIGA
SIGA
Q4 25
1136.4%
Q3 25
-385.6%
Q2 25
77.8%
Q1 25
99.9%
Q4 24
69.1%
Q3 24
-74.0%
Q2 24
27.3%
Q1 24
Capex Intensity
AMBO
AMBO
SIGA
SIGA
Q4 25
9.4%
Q3 25
11.1%
Q2 25
0.0%
Q1 25
0.4%
Q4 24
0.0%
Q3 24
0.2%
Q2 24
0.0%
Q1 24
0.0%
Cash Conversion
AMBO
AMBO
SIGA
SIGA
Q4 25
Q3 25
Q2 25
1.78×
Q1 25
Q4 24
1.23×
Q3 24
-5.49×
Q2 24
3.25×
Q1 24
-0.60×

Financial Flow Comparison

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

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