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

BillionToOne, Inc. is the larger business by last-quarter revenue ($83.5M vs $56.7M, roughly 1.5× GRAHAM CORP). BillionToOne, Inc. runs the higher net margin — 6.8% vs 5.0%, a 1.8% gap on every dollar of revenue. On growth, BillionToOne, Inc. posted the faster year-over-year revenue change (117.4% vs 20.5%). BillionToOne, Inc. produced more free cash flow last quarter ($6.5M vs $2.4M).

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.

Graham Holdings Company is a diversified American conglomerate holding company. Headquartered in Arlington County, Virginia, and incorporated in Delaware, it was formerly the owner of The Washington Post newspaper and Newsweek magazine.

BLLN vs GHM — Head-to-Head

Bigger by revenue
BLLN
BLLN
1.5× larger
BLLN
$83.5M
$56.7M
GHM
Growing faster (revenue YoY)
BLLN
BLLN
+96.9% gap
BLLN
117.4%
20.5%
GHM
Higher net margin
BLLN
BLLN
1.8% more per $
BLLN
6.8%
5.0%
GHM
More free cash flow
BLLN
BLLN
$4.0M more FCF
BLLN
$6.5M
$2.4M
GHM

Income Statement — Q3 FY2025 vs Q3 FY2026

Metric
BLLN
BLLN
GHM
GHM
Revenue
$83.5M
$56.7M
Net Profit
$5.7M
$2.8M
Gross Margin
69.9%
23.8%
Operating Margin
11.5%
5.5%
Net Margin
6.8%
5.0%
Revenue YoY
117.4%
20.5%
Net Profit YoY
138.3%
79.2%
EPS (diluted)
$0.10
$0.25

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
GHM
GHM
Q4 25
$56.7M
Q3 25
$83.5M
$66.0M
Q2 25
$55.5M
Q1 25
$59.3M
Q4 24
$45.1M
$47.0M
Q3 24
$38.4M
$53.6M
Q2 24
$50.0M
Q1 24
$49.1M
Net Profit
BLLN
BLLN
GHM
GHM
Q4 25
$2.8M
Q3 25
$5.7M
$3.1M
Q2 25
$4.6M
Q1 25
$4.4M
Q4 24
$-11.5M
$1.6M
Q3 24
$-14.9M
$3.3M
Q2 24
$3.0M
Q1 24
$1.3M
Gross Margin
BLLN
BLLN
GHM
GHM
Q4 25
23.8%
Q3 25
69.9%
21.7%
Q2 25
26.5%
Q1 25
27.0%
Q4 24
57.1%
24.8%
Q3 24
52.6%
23.9%
Q2 24
24.8%
Q1 24
25.9%
Operating Margin
BLLN
BLLN
GHM
GHM
Q4 25
5.5%
Q3 25
11.5%
6.5%
Q2 25
8.9%
Q1 25
9.3%
Q4 24
17.0%
4.7%
Q3 24
-32.9%
7.9%
Q2 24
6.5%
Q1 24
3.1%
Net Margin
BLLN
BLLN
GHM
GHM
Q4 25
5.0%
Q3 25
6.8%
4.7%
Q2 25
8.3%
Q1 25
7.4%
Q4 24
-25.5%
3.4%
Q3 24
-38.8%
6.1%
Q2 24
5.9%
Q1 24
2.7%
EPS (diluted)
BLLN
BLLN
GHM
GHM
Q4 25
$0.25
Q3 25
$0.10
$0.28
Q2 25
$0.42
Q1 25
$0.40
Q4 24
$-1.13
$0.14
Q3 24
$-1.47
$0.30
Q2 24
$0.27
Q1 24
$0.11

Balance Sheet & Financial Strength

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

Metric
BLLN
BLLN
GHM
GHM
Cash + ST InvestmentsLiquidity on hand
$195.2M
$22.3M
Total DebtLower is stronger
$55.0M
Stockholders' EquityBook value
$-239.5M
$131.3M
Total Assets
$327.5M
$292.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BLLN
BLLN
GHM
GHM
Q4 25
$22.3M
Q3 25
$195.2M
$20.6M
Q2 25
$10.8M
Q1 25
$21.6M
Q4 24
$191.5M
$30.0M
Q3 24
$32.3M
Q2 24
$21.6M
Q1 24
$16.9M
Total Debt
BLLN
BLLN
GHM
GHM
Q4 25
Q3 25
$55.0M
Q2 25
Q1 25
Q4 24
$51.5M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
BLLN
BLLN
GHM
GHM
Q4 25
$131.3M
Q3 25
$-239.5M
$127.6M
Q2 25
$123.4M
Q1 25
$119.6M
Q4 24
$-251.7M
$114.4M
Q3 24
$-242.9M
$112.5M
Q2 24
$108.2M
Q1 24
$105.6M
Total Assets
BLLN
BLLN
GHM
GHM
Q4 25
$292.9M
Q3 25
$327.5M
$287.0M
Q2 25
$252.3M
Q1 25
$264.1M
Q4 24
$302.1M
$264.3M
Q3 24
$249.5M
Q2 24
$244.2M
Q1 24
$233.9M

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
GHM
GHM
Operating Cash FlowLast quarter
$13.8M
$4.8M
Free Cash FlowOCF − Capex
$6.5M
$2.4M
FCF MarginFCF / Revenue
7.7%
4.3%
Capex IntensityCapex / Revenue
8.8%
4.1%
Cash ConversionOCF / Net Profit
2.42×
1.67×
TTM Free Cash FlowTrailing 4 quarters
$-6.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BLLN
BLLN
GHM
GHM
Q4 25
$4.8M
Q3 25
$13.8M
$13.6M
Q2 25
$-2.3M
Q1 25
$-3.6M
Q4 24
$5.2M
Q3 24
$13.9M
Q2 24
$8.7M
Q1 24
$8.6M
Free Cash Flow
BLLN
BLLN
GHM
GHM
Q4 25
$2.4M
Q3 25
$6.5M
$9.4M
Q2 25
$-9.3M
Q1 25
$-8.7M
Q4 24
$-2.1M
Q3 24
$10.4M
Q2 24
$5.7M
Q1 24
$4.6M
FCF Margin
BLLN
BLLN
GHM
GHM
Q4 25
4.3%
Q3 25
7.7%
14.3%
Q2 25
-16.7%
Q1 25
-14.7%
Q4 24
-4.5%
Q3 24
19.5%
Q2 24
11.5%
Q1 24
9.4%
Capex Intensity
BLLN
BLLN
GHM
GHM
Q4 25
4.1%
Q3 25
8.8%
6.3%
Q2 25
12.6%
Q1 25
8.7%
Q4 24
15.6%
Q3 24
6.5%
Q2 24
6.0%
Q1 24
8.2%
Cash Conversion
BLLN
BLLN
GHM
GHM
Q4 25
1.67×
Q3 25
2.42×
4.40×
Q2 25
-0.49×
Q1 25
-0.81×
Q4 24
3.29×
Q3 24
4.25×
Q2 24
2.94×
Q1 24
6.45×

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%

GHM
GHM

Defense$35.3M62%
Energy And Process$18.3M32%
Space$3.1M6%

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