BillionToOne, Inc. (BLLN) intrinsic value & 10-year financials

BillionToOne, Inc. (BLLN) has a Graham intrinsic value of $4.65 per share. At $98.12 on Oct 17, 2026, the stock trades 2010% above that value. Over the last 4 fiscal years revenue grew 106.2% a year to $305.1M, with an average return on invested capital of 13.4%.

Graham intrinsic value
$4.65
Share price (Oct 17, 2026)
$98.12
Price vs Graham value
2010% above
Market cap
$2.1B
Revenue (FY2025)
$305.1M
Revenue growth (4-yr CAGR)
106.2%
ROIC (10-yr avg)
13.4%
Free cash flow (FY2025)
$15.7M

BLLN 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $305.1M $7.5M $0.14 $15.7M 5.3% -12.2%
FY2024 $152.6M -$41.6M -$4.12 -$46.8M -30.9% 13.9%
FY2023 $71.7M -$82.7M -$8.45 -$59.8M -96.9% 38.5%
FY2022 — — — — — —

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

BillionToOne, Inc. revenue growth over the past decade is N/A; insufficient history prevents a reliable 10-year CAGR calculation.

BillionToOne, Inc. has historically struggled to out-earn its cost of capital, averaging just 0.8% ROIC.

BillionToOne, Inc. capital allocation metrics are N/A for the decade; share count and net debt history are incomplete.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, BillionToOne, Inc. is modeled at 15.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $4.65 per share.

BLLN stock: frequently asked questions

What is the intrinsic value of BillionToOne, Inc. (BLLN) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 15.0% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, BLLN's intrinsic value is about $4.65 per share.

Is BLLN stock undervalued?

At $98.12 (close on Oct 17, 2026), BLLN trades 2010% above its Graham value of $4.65. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

Does BillionToOne, Inc. generate free cash flow?

BillionToOne, Inc. generated $15.7M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 1 of the last 3 reported years.

What is BLLN's return on invested capital?

Average ROIC over the last 4 fiscal years was 13.4%, and average return on equity was 23.3%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this BLLN data come from?

From BillionToOne, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Aug 5, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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