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Side-by-side financial comparison of TPG Mortgage Investment Trust, Inc. (MITT) and Spero Therapeutics, Inc. (SPRO). Click either name above to swap in a different company.

TPG Mortgage Investment Trust, Inc. is the larger business by last-quarter revenue ($20.4M vs $12.6M, roughly 1.6× Spero Therapeutics, Inc.). Spero Therapeutics, Inc. runs the higher net margin — 250.7% vs 65.0%, a 185.7% gap on every dollar of revenue. On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs 17.7%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs 9.1%).

TPG Mortgage Investment Trust, Inc. is a real estate investment trust managed by global alternative asset firm TPG. It primarily invests in residential and commercial mortgage-backed securities, performing and non-performing mortgage loans, and other credit-linked real estate assets, with its core market being the United States. It generates returns via net interest income from holdings and strategic asset disposition gains.

MITT vs SPRO — Head-to-Head

Bigger by revenue
MITT
MITT
1.6× larger
MITT
$20.4M
$12.6M
SPRO
Growing faster (revenue YoY)
SPRO
SPRO
+24063.1% gap
SPRO
24080.8%
17.7%
MITT
Higher net margin
SPRO
SPRO
185.7% more per $
SPRO
250.7%
65.0%
MITT
Faster 2-yr revenue CAGR
SPRO
SPRO
Annualised
SPRO
847.7%
9.1%
MITT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MITT
MITT
SPRO
SPRO
Revenue
$20.4M
$12.6M
Net Profit
$13.3M
$31.5M
Gross Margin
Operating Margin
67.1%
Net Margin
65.0%
250.7%
Revenue YoY
17.7%
24080.8%
Net Profit YoY
-7.0%
250.9%
EPS (diluted)
$0.27
$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
MITT
MITT
SPRO
SPRO
Q4 25
$20.4M
$12.6M
Q3 25
$19.5M
$0
Q2 25
$17.8M
$0
Q1 25
$18.8M
$12.0K
Q4 24
$17.4M
$52.0K
Q3 24
$14.9M
$65.0K
Q2 24
$16.4M
$114.0K
Q1 24
$17.2M
$140.0K
Net Profit
MITT
MITT
SPRO
SPRO
Q4 25
$13.3M
$31.5M
Q3 25
$20.0M
$-7.4M
Q2 25
$3.9M
$-1.7M
Q1 25
$11.5M
$-13.9M
Q4 24
$14.3M
Q3 24
$16.6M
$-17.1M
Q2 24
$3.9M
$-17.9M
Q1 24
$20.9M
$-12.7M
Operating Margin
MITT
MITT
SPRO
SPRO
Q4 25
67.1%
Q3 25
Q2 25
20.9%
Q1 25
54.6%
-122758.3%
Q4 24
76.7%
Q3 24
-28604.6%
Q2 24
18.4%
-16720.2%
Q1 24
-9987.1%
Net Margin
MITT
MITT
SPRO
SPRO
Q4 25
65.0%
250.7%
Q3 25
102.5%
Q2 25
22.2%
Q1 25
60.9%
-115550.0%
Q4 24
82.2%
Q3 24
111.3%
-26380.0%
Q2 24
24.0%
-15668.4%
Q1 24
121.6%
-9049.3%
EPS (diluted)
MITT
MITT
SPRO
SPRO
Q4 25
$0.27
$0.56
Q3 25
$0.47
$-0.13
Q2 25
$-0.05
$-0.03
Q1 25
$0.21
$-0.25
Q4 24
$0.30
Q3 24
$0.40
$-0.32
Q2 24
$-0.02
$-0.33
Q1 24
$0.55
$-0.24

Balance Sheet & Financial Strength

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

Metric
MITT
MITT
SPRO
SPRO
Cash + ST InvestmentsLiquidity on hand
$57.8M
$40.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$560.7M
$59.0M
Total Assets
$8.7B
$68.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MITT
MITT
SPRO
SPRO
Q4 25
$57.8M
$40.3M
Q3 25
$59.0M
$48.6M
Q2 25
$88.7M
$31.2M
Q1 25
$115.5M
$48.9M
Q4 24
$118.7M
$52.9M
Q3 24
$102.5M
$76.3M
Q2 24
$120.9M
$63.5M
Q1 24
$100.3M
$82.3M
Stockholders' Equity
MITT
MITT
SPRO
SPRO
Q4 25
$560.7M
$59.0M
Q3 25
$559.8M
$26.5M
Q2 25
$536.4M
$32.8M
Q1 25
$543.9M
$33.8M
Q4 24
$543.4M
$46.1M
Q3 24
$540.1M
$65.5M
Q2 24
$533.5M
$80.5M
Q1 24
$539.6M
$96.2M
Total Assets
MITT
MITT
SPRO
SPRO
Q4 25
$8.7B
$68.9M
Q3 25
$9.0B
$54.2M
Q2 25
$7.5B
$62.1M
Q1 25
$7.3B
$77.7M
Q4 24
$6.9B
$110.5M
Q3 24
$7.0B
$135.2M
Q2 24
$7.1B
$149.9M
Q1 24
$6.4B
$167.7M

Cash Flow & Capital Efficiency

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

Metric
MITT
MITT
SPRO
SPRO
Operating Cash FlowLast quarter
$59.6M
$-8.4M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
4.48×
-0.26×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MITT
MITT
SPRO
SPRO
Q4 25
$59.6M
$-8.4M
Q3 25
$17.4M
$17.4M
Q2 25
$11.5M
$-17.7M
Q1 25
$12.0M
$-4.0M
Q4 24
$55.8M
$-23.4M
Q3 24
$14.5M
$12.8M
Q2 24
$13.7M
$-18.7M
Q1 24
$12.0M
$5.9M
Cash Conversion
MITT
MITT
SPRO
SPRO
Q4 25
4.48×
-0.26×
Q3 25
0.87×
Q2 25
2.92×
Q1 25
1.05×
Q4 24
3.91×
Q3 24
0.87×
Q2 24
3.50×
Q1 24
0.57×

Financial Flow Comparison

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

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