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Side-by-side financial comparison of Spero Therapeutics, Inc. (SPRO) and Terra Property Trust, Inc. (TPTA). Click either name above to swap in a different company.

Spero Therapeutics, Inc. is the larger business by last-quarter revenue ($12.6M vs $7.1M, roughly 1.8× Terra Property Trust, Inc.). Spero Therapeutics, Inc. runs the higher net margin — 250.7% vs -150.2%, a 400.9% gap on every dollar of revenue. On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs -37.4%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs -31.3%).

The National Savings and Trust Company is a historic bank building located at the corner of New York Avenue and 15th Street, NW in Downtown Washington, D.C. It has also been known as the National Safe Deposit Company and the National Safe Deposit Savings and Trust Company.

SPRO vs TPTA — Head-to-Head

Bigger by revenue
SPRO
SPRO
1.8× larger
SPRO
$12.6M
$7.1M
TPTA
Growing faster (revenue YoY)
SPRO
SPRO
+24118.1% gap
SPRO
24080.8%
-37.4%
TPTA
Higher net margin
SPRO
SPRO
400.9% more per $
SPRO
250.7%
-150.2%
TPTA
Faster 2-yr revenue CAGR
SPRO
SPRO
Annualised
SPRO
847.7%
-31.3%
TPTA

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SPRO
SPRO
TPTA
TPTA
Revenue
$12.6M
$7.1M
Net Profit
$31.5M
$-10.6M
Gross Margin
Operating Margin
-48.8%
Net Margin
250.7%
-150.2%
Revenue YoY
24080.8%
-37.4%
Net Profit YoY
250.9%
32.0%
EPS (diluted)
$0.56
$-0.43

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
TPTA
TPTA
Q4 25
$12.6M
$7.1M
Q3 25
$0
$7.3M
Q2 25
$0
$8.6M
Q1 25
$12.0K
$12.5M
Q4 24
$52.0K
$11.3M
Q3 24
$65.0K
$12.2M
Q2 24
$114.0K
$11.2M
Q1 24
$140.0K
$15.0M
Net Profit
SPRO
SPRO
TPTA
TPTA
Q4 25
$31.5M
$-10.6M
Q3 25
$-7.4M
$-6.7M
Q2 25
$-1.7M
$-9.2M
Q1 25
$-13.9M
$-1.3M
Q4 24
$-15.6M
Q3 24
$-17.1M
$-7.8M
Q2 24
$-17.9M
$-7.5M
Q1 24
$-12.7M
$-6.2M
Operating Margin
SPRO
SPRO
TPTA
TPTA
Q4 25
-48.8%
Q3 25
6.7%
Q2 25
-28.4%
Q1 25
-122758.3%
32.8%
Q4 24
-72.3%
Q3 24
-28604.6%
54.1%
Q2 24
-16720.2%
6.3%
Q1 24
-9987.1%
32.0%
Net Margin
SPRO
SPRO
TPTA
TPTA
Q4 25
250.7%
-150.2%
Q3 25
-92.4%
Q2 25
-106.5%
Q1 25
-115550.0%
-10.3%
Q4 24
-138.3%
Q3 24
-26380.0%
-63.9%
Q2 24
-15668.4%
-67.5%
Q1 24
-9049.3%
-41.2%
EPS (diluted)
SPRO
SPRO
TPTA
TPTA
Q4 25
$0.56
$-0.43
Q3 25
$-0.13
$-0.28
Q2 25
$-0.03
$-0.38
Q1 25
$-0.25
$-0.05
Q4 24
$-0.65
Q3 24
$-0.32
$-0.32
Q2 24
$-0.33
$-0.31
Q1 24
$-0.24
$-0.25

Balance Sheet & Financial Strength

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

Metric
SPRO
SPRO
TPTA
TPTA
Cash + ST InvestmentsLiquidity on hand
$40.3M
$33.2M
Total DebtLower is stronger
$178.9M
Stockholders' EquityBook value
$59.0M
$146.5M
Total Assets
$68.9M
$351.5M
Debt / EquityLower = less leverage
1.22×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SPRO
SPRO
TPTA
TPTA
Q4 25
$40.3M
$33.2M
Q3 25
$48.6M
$17.4M
Q2 25
$31.2M
$5.9M
Q1 25
$48.9M
$11.9M
Q4 24
$52.9M
$8.6M
Q3 24
$76.3M
$21.2M
Q2 24
$63.5M
$18.9M
Q1 24
$82.3M
$17.9M
Total Debt
SPRO
SPRO
TPTA
TPTA
Q4 25
$178.9M
Q3 25
$211.9M
Q2 25
$260.2M
Q1 25
$286.7M
Q4 24
$326.1M
Q3 24
$312.9M
Q2 24
$383.8M
Q1 24
$377.6M
Stockholders' Equity
SPRO
SPRO
TPTA
TPTA
Q4 25
$59.0M
$146.5M
Q3 25
$26.5M
$159.7M
Q2 25
$32.8M
$168.5M
Q1 25
$33.8M
$179.9M
Q4 24
$46.1M
$185.7M
Q3 24
$65.5M
$206.2M
Q2 24
$80.5M
$218.6M
Q1 24
$96.2M
$230.5M
Total Assets
SPRO
SPRO
TPTA
TPTA
Q4 25
$68.9M
$351.5M
Q3 25
$54.2M
$398.1M
Q2 25
$62.1M
$459.3M
Q1 25
$77.7M
$495.2M
Q4 24
$110.5M
$542.8M
Q3 24
$135.2M
$546.8M
Q2 24
$149.9M
$634.4M
Q1 24
$167.7M
$640.2M
Debt / Equity
SPRO
SPRO
TPTA
TPTA
Q4 25
1.22×
Q3 25
1.33×
Q2 25
1.54×
Q1 25
1.59×
Q4 24
1.76×
Q3 24
1.52×
Q2 24
1.76×
Q1 24
1.64×

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
TPTA
TPTA
Operating Cash FlowLast quarter
$-8.4M
$1.9M
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
SPRO
SPRO
TPTA
TPTA
Q4 25
$-8.4M
$1.9M
Q3 25
$17.4M
$-4.3M
Q2 25
$-17.7M
$1.2M
Q1 25
$-4.0M
$861.6K
Q4 24
$-23.4M
$-3.3M
Q3 24
$12.8M
$1.7M
Q2 24
$-18.7M
$-3.1M
Q1 24
$5.9M
$-4.2M
Capex Intensity
SPRO
SPRO
TPTA
TPTA
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.0%
Q3 24
Q2 24
Q1 24
Cash Conversion
SPRO
SPRO
TPTA
TPTA
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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