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Side-by-side financial comparison of Sidus Space Inc. (SIDU) and Upstream Bio, Inc. (UPB). Click either name above to swap in a different company.

Upstream Bio, Inc. is the larger business by last-quarter revenue ($668.0K vs $366.0K, roughly 1.8× Sidus Space Inc.). Sidus Space Inc. runs the higher net margin — -3115.2% vs -6356.1%, a 3241.0% gap on every dollar of revenue.

Sidus Space Inc is a U.S.-headquartered space technology and services provider specializing in small satellite design, manufacturing and operation. It offers end-to-end space solutions including data analytics, on-orbit servicing and custom hardware for commercial, government and academic clients worldwide, supporting various space mission objectives.

TCI Co., Ltd. is a Taiwanese contract development and manufacturing organization (CDMO) specialising in the research, development and production of functional beverages, dietary supplements and skincare products. Headquartered in the Neihu Technology Park in Taipei, TCI evolved from an original trading company founded in 1980 into a CDMO group serving clients across Asia, Europe and North America, and is publicly traded on Taiwan's over-the-counter market under the code 8436.

SIDU vs UPB — Head-to-Head

Bigger by revenue
UPB
UPB
1.8× larger
UPB
$668.0K
$366.0K
SIDU
Higher net margin
SIDU
SIDU
3241.0% more per $
SIDU
-3115.2%
-6356.1%
UPB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SIDU
SIDU
UPB
UPB
Revenue
$366.0K
$668.0K
Net Profit
$-11.4M
$-42.5M
Gross Margin
-474.9%
Operating Margin
-3009.2%
-6911.2%
Net Margin
-3115.2%
-6356.1%
Revenue YoY
-16.2%
Net Profit YoY
-100.9%
EPS (diluted)
$-0.29
$-0.78

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
SIDU
SIDU
UPB
UPB
Q4 25
$366.0K
$668.0K
Q3 25
$559.1K
$683.0K
Q2 25
$691.1K
$937.0K
Q1 25
$566.0K
Q4 24
$436.5K
Q3 24
$1.8M
$607.0K
Q2 24
$834.8K
Q1 24
$845.1K
Net Profit
SIDU
SIDU
UPB
UPB
Q4 25
$-11.4M
$-42.5M
Q3 25
$-6.0M
$-33.7M
Q2 25
$-5.6M
$-40.0M
Q1 25
$-27.3M
Q4 24
$-5.7M
Q3 24
$-3.9M
$-16.0M
Q2 24
$-4.1M
Q1 24
$-3.8M
Gross Margin
SIDU
SIDU
UPB
UPB
Q4 25
-474.9%
Q3 25
-232.3%
Q2 25
-148.6%
Q1 25
Q4 24
-171.8%
Q3 24
2.2%
Q2 24
-100.8%
Q1 24
9.9%
Operating Margin
SIDU
SIDU
UPB
UPB
Q4 25
-3009.2%
-6911.2%
Q3 25
-1007.2%
-5539.4%
Q2 25
-765.5%
-4732.9%
Q1 25
-5656.0%
Q4 24
-1165.4%
Q3 24
-180.5%
-3112.5%
Q2 24
-466.9%
Q1 24
-421.4%
Net Margin
SIDU
SIDU
UPB
UPB
Q4 25
-3115.2%
-6356.1%
Q3 25
-1079.2%
-4941.1%
Q2 25
-814.0%
-4265.3%
Q1 25
-4818.0%
Q4 24
-1300.0%
Q3 24
-222.1%
-2634.6%
Q2 24
-495.5%
Q1 24
-450.9%
EPS (diluted)
SIDU
SIDU
UPB
UPB
Q4 25
$-0.29
$-0.78
Q3 25
$-0.24
$-0.63
Q2 25
$-0.31
$-0.74
Q1 25
$-0.51
Q4 24
$-0.26
Q3 24
$-0.93
$-6.96
Q2 24
$-0.99
Q1 24
$-1.42

Balance Sheet & Financial Strength

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

Metric
SIDU
SIDU
UPB
UPB
Cash + ST InvestmentsLiquidity on hand
$341.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$50.6M
$339.8M
Total Assets
$66.1M
$353.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SIDU
SIDU
UPB
UPB
Q4 25
$341.5M
Q3 25
$372.4M
Q2 25
$393.6M
Q1 25
$431.4M
Q4 24
Q3 24
$220.7M
Q2 24
Q1 24
Stockholders' Equity
SIDU
SIDU
UPB
UPB
Q4 25
$50.6M
$339.8M
Q3 25
$24.0M
$378.6M
Q2 25
$14.3M
$408.7M
Q1 25
$445.6M
Q4 24
$23.5M
Q3 24
$9.3M
$-160.3M
Q2 24
$13.1M
Q1 24
$17.2M
Total Assets
SIDU
SIDU
UPB
UPB
Q4 25
$66.1M
$353.8M
Q3 25
$39.9M
$391.2M
Q2 25
$29.7M
$420.5M
Q1 25
$456.2M
Q4 24
$37.7M
Q3 24
$23.1M
$232.7M
Q2 24
$21.8M
Q1 24
$25.4M

Cash Flow & Capital Efficiency

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

Metric
SIDU
SIDU
UPB
UPB
Operating Cash FlowLast quarter
$-4.1M
$-30.6M
Free Cash FlowOCF − Capex
$-6.5M
FCF MarginFCF / Revenue
-1768.6%
Capex IntensityCapex / Revenue
651.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-28.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SIDU
SIDU
UPB
UPB
Q4 25
$-4.1M
$-30.6M
Q3 25
$-6.2M
$-22.2M
Q2 25
$-4.6M
$-39.2M
Q1 25
$-41.2M
Q4 24
$-5.5M
Q3 24
$-2.7M
Q2 24
$-2.2M
Q1 24
$-5.4M
Free Cash Flow
SIDU
SIDU
UPB
UPB
Q4 25
$-6.5M
Q3 25
$-7.7M
$-22.3M
Q2 25
$-6.0M
Q1 25
Q4 24
$-7.9M
Q3 24
$-3.8M
Q2 24
$-4.0M
Q1 24
$-7.6M
FCF Margin
SIDU
SIDU
UPB
UPB
Q4 25
-1768.6%
Q3 25
-1369.2%
-3265.6%
Q2 25
-870.2%
Q1 25
Q4 24
-1811.7%
Q3 24
-213.6%
Q2 24
-477.9%
Q1 24
-905.0%
Capex Intensity
SIDU
SIDU
UPB
UPB
Q4 25
651.5%
Q3 25
256.8%
9.4%
Q2 25
199.1%
Q1 25
Q4 24
543.4%
Q3 24
58.9%
Q2 24
220.1%
Q1 24
263.9%

Financial Flow Comparison

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

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