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Side-by-side financial comparison of BillionToOne, Inc. (BLLN) and Shimmick Corp (SHIM). Click either name above to swap in a different company.

Shimmick Corp is the larger business by last-quarter revenue ($141.9M vs $83.5M, roughly 1.7× BillionToOne, Inc.). BillionToOne, Inc. runs the higher net margin — 6.8% vs -3.1%, a 9.9% gap on every dollar of revenue. BillionToOne, Inc. produced more free cash flow last quarter ($6.5M vs $-28.7M).

BillionToOne, Inc. is a life sciences and molecular diagnostics firm developing high-precision genetic testing solutions. Its core offerings include non-invasive prenatal tests, oncology diagnostics, and rare disease screening, serving clinical providers and patients mainly in North America.

Shimmick Corp is a U.S.-based heavy civil construction firm specializing in building and upgrading critical public infrastructure, including water facilities, transportation systems, dams, and environmental remediation projects. It primarily serves federal, state, and local government clients across North America, delivering complex large-scale construction solutions for public sector segments.

BLLN vs SHIM — Head-to-Head

Bigger by revenue
SHIM
SHIM
1.7× larger
SHIM
$141.9M
$83.5M
BLLN
Higher net margin
BLLN
BLLN
9.9% more per $
BLLN
6.8%
-3.1%
SHIM
More free cash flow
BLLN
BLLN
$35.2M more FCF
BLLN
$6.5M
$-28.7M
SHIM

Income Statement — Q3 FY2025 vs Q3 FY2025

Metric
BLLN
BLLN
SHIM
SHIM
Revenue
$83.5M
$141.9M
Net Profit
$5.7M
$-4.4M
Gross Margin
69.9%
7.6%
Operating Margin
11.5%
-2.2%
Net Margin
6.8%
-3.1%
Revenue YoY
117.4%
Net Profit YoY
138.3%
EPS (diluted)
$0.10
$-0.12

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
BLLN
BLLN
SHIM
SHIM
Q4 25
$141.9M
Q3 25
$83.5M
$128.4M
Q2 25
$122.1M
Q1 25
$103.6M
Q3 24
$38.4M
$166.0M
Q2 24
$90.6M
Q1 24
$120.0M
Q3 23
$175.4M
Net Profit
BLLN
BLLN
SHIM
SHIM
Q4 25
$-4.4M
Q3 25
$5.7M
$-8.5M
Q2 25
$-9.8M
Q1 25
$-38.5M
Q3 24
$-14.9M
$-1.6M
Q2 24
$-51.4M
Q1 24
$-33.3M
Q3 23
$34.6M
Gross Margin
BLLN
BLLN
SHIM
SHIM
Q4 25
7.6%
Q3 25
69.9%
6.3%
Q2 25
3.8%
Q1 25
-20.1%
Q3 24
52.6%
7.3%
Q2 24
-34.4%
Q1 24
-13.2%
Q3 23
9.7%
Operating Margin
BLLN
BLLN
SHIM
SHIM
Q4 25
-2.2%
Q3 25
11.5%
-5.5%
Q2 25
-7.3%
Q1 25
-39.3%
Q3 24
-32.9%
0.7%
Q2 24
-53.0%
Q1 24
-26.5%
Q3 23
20.3%
Net Margin
BLLN
BLLN
SHIM
SHIM
Q4 25
-3.1%
Q3 25
6.8%
-6.6%
Q2 25
-8.0%
Q1 25
-37.1%
Q3 24
-38.8%
-0.9%
Q2 24
-56.7%
Q1 24
-27.8%
Q3 23
19.7%
EPS (diluted)
BLLN
BLLN
SHIM
SHIM
Q4 25
$-0.12
Q3 25
$0.10
$-0.25
Q2 25
$-0.28
Q1 25
$-0.92
Q3 24
$-1.47
$-0.05
Q2 24
$-1.83
Q1 24
$-1.30
Q3 23
$1.58

Balance Sheet & Financial Strength

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

Metric
BLLN
BLLN
SHIM
SHIM
Cash + ST InvestmentsLiquidity on hand
$195.2M
$17.6M
Total DebtLower is stronger
$55.0M
$57.5M
Stockholders' EquityBook value
$-239.5M
$-52.7M
Total Assets
$327.5M
$218.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BLLN
BLLN
SHIM
SHIM
Q4 25
$17.6M
Q3 25
$195.2M
$21.4M
Q2 25
$16.3M
Q1 25
$33.7M
Q3 24
$26.0M
Q2 24
$22.4M
Q1 24
$27.3M
Q3 23
$61.9M
Total Debt
BLLN
BLLN
SHIM
SHIM
Q4 25
$57.5M
Q3 25
$55.0M
$36.4M
Q2 25
$31.4M
Q1 25
$9.5M
Q3 24
$39.9M
Q2 24
Q1 24
$31.5M
Q3 23
$33.4M
Stockholders' Equity
BLLN
BLLN
SHIM
SHIM
Q4 25
$-52.7M
Q3 25
$-239.5M
$-49.5M
Q2 25
$-42.6M
Q1 25
$-34.7M
Q3 24
$-242.9M
$973.0K
Q2 24
$436.0K
Q1 24
$38.1M
Q3 23
$68.4M
Total Assets
BLLN
BLLN
SHIM
SHIM
Q4 25
$218.5M
Q3 25
$327.5M
$203.0M
Q2 25
$227.7M
Q1 25
$233.9M
Q3 24
$346.7M
Q2 24
$344.5M
Q1 24
$378.0M
Q3 23
$457.1M
Debt / Equity
BLLN
BLLN
SHIM
SHIM
Q4 25
Q3 25
Q2 25
Q1 25
Q3 24
41.01×
Q2 24
Q1 24
0.83×
Q3 23
0.49×

Cash Flow & Capital Efficiency

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

Metric
BLLN
BLLN
SHIM
SHIM
Operating Cash FlowLast quarter
$13.8M
$-23.7M
Free Cash FlowOCF − Capex
$6.5M
$-28.7M
FCF MarginFCF / Revenue
7.7%
-20.2%
Capex IntensityCapex / Revenue
8.8%
3.5%
Cash ConversionOCF / Net Profit
2.42×
TTM Free Cash FlowTrailing 4 quarters
$-27.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BLLN
BLLN
SHIM
SHIM
Q4 25
$-23.7M
Q3 25
$13.8M
$-3.8M
Q2 25
$-38.2M
Q1 25
$44.9M
Q3 24
$12.7M
Q2 24
$-43.9M
Q1 24
$-35.0M
Q3 23
Free Cash Flow
BLLN
BLLN
SHIM
SHIM
Q4 25
$-28.7M
Q3 25
$6.5M
$-4.2M
Q2 25
$-38.7M
Q1 25
$44.4M
Q3 24
$10.3M
Q2 24
$-46.8M
Q1 24
$-39.6M
Q3 23
FCF Margin
BLLN
BLLN
SHIM
SHIM
Q4 25
-20.2%
Q3 25
7.7%
-3.2%
Q2 25
-31.7%
Q1 25
42.9%
Q3 24
6.2%
Q2 24
-51.7%
Q1 24
-33.0%
Q3 23
Capex Intensity
BLLN
BLLN
SHIM
SHIM
Q4 25
3.5%
Q3 25
8.8%
0.3%
Q2 25
0.4%
Q1 25
0.5%
Q3 24
1.4%
Q2 24
3.3%
Q1 24
3.8%
Q3 23
Cash Conversion
BLLN
BLLN
SHIM
SHIM
Q4 25
Q3 25
2.42×
Q2 25
Q1 25
Q3 24
Q2 24
Q1 24
Q3 23

Financial Flow Comparison

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

Revenue Breakdown by Segment

BLLN
BLLN

Prenatal$74.1M89%
Oncology$8.7M10%

SHIM
SHIM

Shimmick Projects$106.8M75%
Non Core Projects$35.1M25%

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