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Side-by-side financial comparison of Spero Therapeutics, Inc. (SPRO) and SPRUCE POWER HOLDING CORP (SPRU). Click either name above to swap in a different company.

SPRUCE POWER HOLDING CORP is the larger business by last-quarter revenue ($24.0M vs $12.6M, roughly 1.9× Spero Therapeutics, Inc.). Spero Therapeutics, Inc. runs the higher net margin — 250.7% vs -28.6%, a 279.2% gap on every dollar of revenue. On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs 20.4%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs 14.6%).

Spruce Finance is an American consumer finance company specializing in the residential solar finance and efficiency home improvement sectors in the U.S.

SPRO vs SPRU — Head-to-Head

Bigger by revenue
SPRU
SPRU
1.9× larger
SPRU
$24.0M
$12.6M
SPRO
Growing faster (revenue YoY)
SPRO
SPRO
+24060.4% gap
SPRO
24080.8%
20.4%
SPRU
Higher net margin
SPRO
SPRO
279.2% more per $
SPRO
250.7%
-28.6%
SPRU
Faster 2-yr revenue CAGR
SPRO
SPRO
Annualised
SPRO
847.7%
14.6%
SPRU

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SPRO
SPRO
SPRU
SPRU
Revenue
$12.6M
$24.0M
Net Profit
$31.5M
$-6.9M
Gross Margin
Operating Margin
9.4%
Net Margin
250.7%
-28.6%
Revenue YoY
24080.8%
20.4%
Net Profit YoY
250.9%
-15.8%
EPS (diluted)
$0.56
$-0.38

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
SPRO
SPRO
SPRU
SPRU
Q4 25
$12.6M
$24.0M
Q3 25
$0
$30.7M
Q2 25
$0
$33.2M
Q1 25
$12.0K
$23.8M
Q4 24
$52.0K
$20.0M
Q3 24
$65.0K
$21.4M
Q2 24
$114.0K
$22.5M
Q1 24
$140.0K
$18.3M
Net Profit
SPRO
SPRO
SPRU
SPRU
Q4 25
$31.5M
$-6.9M
Q3 25
$-7.4M
$-860.0K
Q2 25
$-1.7M
$-3.0M
Q1 25
$-13.9M
$-15.3M
Q4 24
$-5.9M
Q3 24
$-17.1M
$-53.5M
Q2 24
$-17.9M
$-8.6M
Q1 24
$-12.7M
$-2.5M
Gross Margin
SPRO
SPRO
SPRU
SPRU
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
54.8%
Q2 24
54.9%
Q1 24
51.5%
Operating Margin
SPRO
SPRO
SPRU
SPRU
Q4 25
9.4%
Q3 25
27.6%
Q2 25
26.8%
Q1 25
-122758.3%
-7.1%
Q4 24
-31.4%
Q3 24
-28604.6%
-173.8%
Q2 24
-16720.2%
-14.9%
Q1 24
-9987.1%
-19.7%
Net Margin
SPRO
SPRO
SPRU
SPRU
Q4 25
250.7%
-28.6%
Q3 25
-2.8%
Q2 25
-8.9%
Q1 25
-115550.0%
-64.4%
Q4 24
-29.7%
Q3 24
-26380.0%
-250.4%
Q2 24
-15668.4%
-38.2%
Q1 24
-9049.3%
-13.4%
EPS (diluted)
SPRO
SPRO
SPRU
SPRU
Q4 25
$0.56
$-0.38
Q3 25
$-0.13
$-0.05
Q2 25
$-0.03
$-0.17
Q1 25
$-0.25
$-0.84
Q4 24
$-0.36
Q3 24
$-0.32
$-2.88
Q2 24
$-0.33
$-0.45
Q1 24
$-0.24
$-0.13

Balance Sheet & Financial Strength

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

Metric
SPRO
SPRO
SPRU
SPRU
Cash + ST InvestmentsLiquidity on hand
$40.3M
$54.8M
Total DebtLower is stronger
$695.5M
Stockholders' EquityBook value
$59.0M
$121.3M
Total Assets
$68.9M
$837.3M
Debt / EquityLower = less leverage
5.74×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SPRO
SPRO
SPRU
SPRU
Q4 25
$40.3M
$54.8M
Q3 25
$48.6M
$53.6M
Q2 25
$31.2M
$53.5M
Q1 25
$48.9M
$61.9M
Q4 24
$52.9M
$72.8M
Q3 24
$76.3M
$113.7M
Q2 24
$63.5M
$116.6M
Q1 24
$82.3M
$120.6M
Total Debt
SPRO
SPRO
SPRU
SPRU
Q4 25
$695.5M
Q3 25
$705.6M
Q2 25
$717.1M
Q1 25
$723.8M
Q4 24
$730.6M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
SPRO
SPRO
SPRU
SPRU
Q4 25
$59.0M
$121.3M
Q3 25
$26.5M
$124.9M
Q2 25
$32.8M
$125.0M
Q1 25
$33.8M
$130.8M
Q4 24
$46.1M
$143.7M
Q3 24
$65.5M
$151.6M
Q2 24
$80.5M
$204.6M
Q1 24
$96.2M
$213.0M
Total Assets
SPRO
SPRO
SPRU
SPRU
Q4 25
$68.9M
$837.3M
Q3 25
$54.2M
$857.1M
Q2 25
$62.1M
$862.6M
Q1 25
$77.7M
$878.0M
Q4 24
$110.5M
$898.5M
Q3 24
$135.2M
$806.8M
Q2 24
$149.9M
$858.4M
Q1 24
$167.7M
$867.9M
Debt / Equity
SPRO
SPRO
SPRU
SPRU
Q4 25
5.74×
Q3 25
5.65×
Q2 25
5.74×
Q1 25
5.53×
Q4 24
5.08×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
SPRO
SPRO
SPRU
SPRU
Operating Cash FlowLast quarter
$-8.4M
$-3.3M
Free Cash FlowOCF − Capex
$-3.3M
FCF MarginFCF / Revenue
-13.7%
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
-0.26×
TTM Free Cash FlowTrailing 4 quarters
$-3.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SPRO
SPRO
SPRU
SPRU
Q4 25
$-8.4M
$-3.3M
Q3 25
$17.4M
$11.2M
Q2 25
$-17.7M
$-2.3M
Q1 25
$-4.0M
$-9.1M
Q4 24
$-23.4M
$-13.5M
Q3 24
$12.8M
$-1.1M
Q2 24
$-18.7M
$-5.1M
Q1 24
$5.9M
$-22.2M
Free Cash Flow
SPRO
SPRO
SPRU
SPRU
Q4 25
$-3.3M
Q3 25
$11.2M
Q2 25
$-2.4M
Q1 25
$-9.2M
Q4 24
$-13.6M
Q3 24
$-1.1M
Q2 24
$-5.2M
Q1 24
$-22.3M
FCF Margin
SPRO
SPRO
SPRU
SPRU
Q4 25
-13.7%
Q3 25
36.5%
Q2 25
-7.3%
Q1 25
-38.7%
Q4 24
-68.3%
Q3 24
-5.1%
Q2 24
-23.1%
Q1 24
-121.7%
Capex Intensity
SPRO
SPRO
SPRU
SPRU
Q4 25
0.0%
Q3 25
0.1%
Q2 25
0.3%
Q1 25
0.4%
Q4 24
0.9%
Q3 24
0.1%
Q2 24
0.4%
Q1 24
0.4%
Cash Conversion
SPRO
SPRO
SPRU
SPRU
Q4 25
-0.26×
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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