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Side-by-side financial comparison of Maiden Holdings, Ltd. (MHLA) and Spero Therapeutics, Inc. (SPRO). Click either name above to swap in a different company.

Maiden Holdings, Ltd. is the larger business by last-quarter revenue ($14.0M vs $12.6M, roughly 1.1× Spero Therapeutics, Inc.). Spero Therapeutics, Inc. runs the higher net margin — 250.7% vs -61.5%, a 312.2% gap on every dollar of revenue. On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs -51.4%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs -21.5%).

Maiden Holdings Ltd. is a Bermuda based holding company with insurance subsidiaries that provides specialty reinsurance products for the global property and casualty market. The company has operating subsidiaries in the United States, Europe, and Bermuda.

MHLA vs SPRO — Head-to-Head

Bigger by revenue
MHLA
MHLA
1.1× larger
MHLA
$14.0M
$12.6M
SPRO
Growing faster (revenue YoY)
SPRO
SPRO
+24132.2% gap
SPRO
24080.8%
-51.4%
MHLA
Higher net margin
SPRO
SPRO
312.2% more per $
SPRO
250.7%
-61.5%
MHLA
Faster 2-yr revenue CAGR
SPRO
SPRO
Annualised
SPRO
847.7%
-21.5%
MHLA

Income Statement — Q1 FY2025 vs Q4 FY2025

Metric
MHLA
MHLA
SPRO
SPRO
Revenue
$14.0M
$12.6M
Net Profit
$-8.6M
$31.5M
Gross Margin
Operating Margin
-42.1%
Net Margin
-61.5%
250.7%
Revenue YoY
-51.4%
24080.8%
Net Profit YoY
-692.5%
250.9%
EPS (diluted)
$-0.09
$0.56

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
MHLA
MHLA
SPRO
SPRO
Q4 25
$12.6M
Q3 25
$0
Q2 25
$0
Q1 25
$14.0M
$12.0K
Q4 24
$11.6M
$52.0K
Q3 24
$14.5M
$65.0K
Q2 24
$20.5M
$114.0K
Q1 24
$28.9M
$140.0K
Net Profit
MHLA
MHLA
SPRO
SPRO
Q4 25
$31.5M
Q3 25
$-7.4M
Q2 25
$-1.7M
Q1 25
$-8.6M
$-13.9M
Q4 24
$-158.0M
Q3 24
$-34.5M
$-17.1M
Q2 24
$-10.0M
$-17.9M
Q1 24
$1.5M
$-12.7M
Operating Margin
MHLA
MHLA
SPRO
SPRO
Q4 25
Q3 25
Q2 25
Q1 25
-42.1%
-122758.3%
Q4 24
2103.0%
Q3 24
-243.1%
-28604.6%
Q2 24
-53.7%
-16720.2%
Q1 24
3.0%
-9987.1%
Net Margin
MHLA
MHLA
SPRO
SPRO
Q4 25
250.7%
Q3 25
Q2 25
Q1 25
-61.5%
-115550.0%
Q4 24
2125.8%
Q3 24
-238.1%
-26380.0%
Q2 24
-48.7%
-15668.4%
Q1 24
5.0%
-9049.3%
EPS (diluted)
MHLA
MHLA
SPRO
SPRO
Q4 25
$0.56
Q3 25
$-0.13
Q2 25
$-0.03
Q1 25
$-0.09
$-0.25
Q4 24
$-1.57
Q3 24
$-0.35
$-0.32
Q2 24
$-0.10
$-0.33
Q1 24
$0.01
$-0.24

Balance Sheet & Financial Strength

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

Metric
MHLA
MHLA
SPRO
SPRO
Cash + ST InvestmentsLiquidity on hand
$28.7M
$40.3M
Total DebtLower is stronger
$254.8M
Stockholders' EquityBook value
$37.6M
$59.0M
Total Assets
$1.2B
$68.9M
Debt / EquityLower = less leverage
6.78×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MHLA
MHLA
SPRO
SPRO
Q4 25
$40.3M
Q3 25
$48.6M
Q2 25
$31.2M
Q1 25
$28.7M
$48.9M
Q4 24
$25.7M
$52.9M
Q3 24
$110.0M
$76.3M
Q2 24
$24.8M
$63.5M
Q1 24
$20.7M
$82.3M
Total Debt
MHLA
MHLA
SPRO
SPRO
Q4 25
Q3 25
Q2 25
Q1 25
$254.8M
Q4 24
$254.8M
Q3 24
$254.7M
Q2 24
$254.7M
Q1 24
$254.6M
Stockholders' Equity
MHLA
MHLA
SPRO
SPRO
Q4 25
$59.0M
Q3 25
$26.5M
Q2 25
$32.8M
Q1 25
$37.6M
$33.8M
Q4 24
$45.2M
$46.1M
Q3 24
$208.2M
$65.5M
Q2 24
$238.0M
$80.5M
Q1 24
$249.4M
$96.2M
Total Assets
MHLA
MHLA
SPRO
SPRO
Q4 25
$68.9M
Q3 25
$54.2M
Q2 25
$62.1M
Q1 25
$1.2B
$77.7M
Q4 24
$1.3B
$110.5M
Q3 24
$1.4B
$135.2M
Q2 24
$1.4B
$149.9M
Q1 24
$1.5B
$167.7M
Debt / Equity
MHLA
MHLA
SPRO
SPRO
Q4 25
Q3 25
Q2 25
Q1 25
6.78×
Q4 24
5.64×
Q3 24
1.22×
Q2 24
1.07×
Q1 24
1.02×

Cash Flow & Capital Efficiency

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

Metric
MHLA
MHLA
SPRO
SPRO
Operating Cash FlowLast quarter
$-21.1M
$-8.4M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
-0.26×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MHLA
MHLA
SPRO
SPRO
Q4 25
$-8.4M
Q3 25
$17.4M
Q2 25
$-17.7M
Q1 25
$-21.1M
$-4.0M
Q4 24
$-67.4M
$-23.4M
Q3 24
$-3.8M
$12.8M
Q2 24
$-23.4M
$-18.7M
Q1 24
$8.0M
$5.9M
Cash Conversion
MHLA
MHLA
SPRO
SPRO
Q4 25
-0.26×
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
5.52×

Financial Flow Comparison

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

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