What is the 13F Pro Quality Score for BLLN?

13F Pro ranks BillionToOne, Inc. (BLLN) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View BLLN's current score at https://13fpro.ai/research/BLLN (free sign-up required for the full ranking).

Where does 13F Pro source BLLN data?

All BillionToOne, Inc. fundamentals and ownership data come directly from SEC EDGAR. BillionToOne, Inc. files with the SEC under CIK 2070849. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is BLLN in?

BillionToOne, Inc. (BLLN) is classified in the Healthcare sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/healthcare.

How often is BLLN research updated on 13F Pro?

BLLN's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

BillionToOne, Inc.(BLLN)Stock Analysis

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13F Pro Quality Score

Not in ranked universe

Pending next ranking run

This company passes all size and coverage filters but hasn't been included in the latest quarterly ranking run. Rankings refresh on Jan 1, Apr 1, Jul 1, Oct 1.

Financial data, filings, and institutional holdings below are still tracked in full — only the proprietary quality composite is unavailable for this name.

BLLN Stock Analysis & AI Quality Score

AI stock analysis and institutional research for BillionToOne, Inc. (BLLN), a Healthcare sector company. BLLN is not currently included in 13F Pro's AI-ranked quality universe — this company passes all size and coverage filters but hasn't been included in the latest quarterly ranking run. rankings refresh on jan 1, apr 1, jul 1, oct 1. Based on the latest XBRL financial filings (Q1 2026), BillionToOne, Inc. reports quarterly revenue of $108.4M, net income of $18.0M, free cash flow of $11.0M. Top institutional holders of BLLN by reported 13-F value include ADAMS STREET PARTNERS, BAILLIE GIFFORD & CO, Civilization Ventures Management,, based on the most recent SEC filings. BLLN trades on the Nasdaq exchange and files with the SEC under CIK 2070849. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate BLLN daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for BillionToOne, Inc. directly from SEC EDGAR.

Revenue

Q1 2026

$108.4M

Net Income

Q1 2026

$18.0M

Free Cash Flow

Q1 2026

$11.0M

ROIC

Q1 2026

3.0%

D/E Ratio

Q1 2026

0.18

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+112.7% YoY

$152.6MFY 2024

FY22 —FY23 $71.7MFY24 $152.6M

Net Income

+49.7% YoY

$-41.6MFY 2024

FY22 —FY23 $-82.7MFY24 $-41.6M

Operating Income

+32.2% YoY

$-47.1MFY 2024

FY22 —FY23 $-69.5MFY24 $-47.1M

EPS (Diluted)

+51.2% YoY

$-4.12FY 2024

FY22 —FY23 $-8.45FY24 $-4.12

Total Assets

$302.1MFY 2024

FY22 —FY23 —FY24 $302.1M

Total Debt

$51.5MFY 2024

FY22 —FY23 —FY24 $51.5M

Op. Cash Flow

+22.9% YoY

$-41.4MFY 2024

FY22 —FY23 $-53.7MFY24 $-41.4M

Metric	FY 2024	FY 2023	FY 2022
Revenue	$152.6M +112.7%	$71.7M	—
Net Income	$-41.6M +49.7%	$-82.7M	—
Operating Income	$-47.1M +32.2%	$-69.5M	—
EPS (Diluted)	$-4.12 +51.2%	$-8.45	—
Total Assets	$302.1M	—	—
Total Debt	$51.5M	—	—
Operating Cash Flow	$-41.4M +22.9%	$-53.7M	—

AI Insight: BLLN Financial Trends

BillionToOne swung to strong profitability in Q4 2025 and accelerated sharply into Q1 2026, with net income tripling to $18M even as debt rose.

• Revenue grew 12.5% quarter-over-quarter from $96M in Q4 2025 to $108M in Q1 2026, signaling sustained top-line momentum.

• Net income surged from $6M in Q4 2025 to $18M in Q1 2026, with operating margin expanding from ~10.4% to ~16.7%.

• Operating cash flow rose from $11M in Q4 2025 to $15M in Q1 2026, confirming earnings quality is improving.

• Equity turned sharply positive, jumping from $-240M in Q3 2025 to $506M in Q1 2026, reflecting a major capital event.

⚠ Total debt climbed from $57M in Q4 2025 to $90M in Q1 2026 — a 58% increase in a single quarter worth monitoring.

⚠ Only two quarters of income-statement data are available; trend durability cannot yet be confirmed.

AI Insight: BLLN Ratio Trends

BillionToOne inflected sharply into profitability in Q4 2025 and accelerated further in Q1 2026, with operating margin nearly doubling to 16.4%.

• Operating margin expanded from 10.8% in Q4 2025 to 16.4% in Q1 2026, a 5.6pp sequential improvement.

• Net profit margin surged from 6.2% in Q4 2025 to 16.6% in Q1 2026, suggesting rapid operating leverage.

• ROIC rose from 7.7% in Q4 2025 to 12.0% in Q1 2026, indicating improving capital deployment efficiency.

⚠ D/E ticked up from 0.12 to 0.18 quarter-over-quarter; monitor whether leverage continues rising alongside growth investment.

⚠ Only two quarters of profitability data available — insufficient history to confirm a durable earnings trend.

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Available Research

13F Pro tracks comprehensive data for BillionToOne, Inc. including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of BLLN

ADAMS STREET PARTNERS LLC
$135.1M1,711,430 sh
BAILLIE GIFFORD & CO
$99.5M1,259,993 sh
Civilization Ventures Management, LLC
$86.8M1,099,431 sh
BAMCO INC /NY/
$58.5M741,485 sh
NVP Associates, LLC
$40.5M513,330 sh
Neuberger Berman Group LLC
$37.8M709,214 sh
Invesco Ltd.
$32.1M406,512 sh
WASATCH ADVISORS LP
$29.2M369,638 sh
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME
$19.0M240,587 sh
EMERALD ADVISERS, LLC
$18.9M239,562 sh

Fund	Value	Shares
ADAMS STREET PARTNERS LLC	$135.1M	1,711,430
BAILLIE GIFFORD & CO	$99.5M	1,259,993
Civilization Ventures Management, LLC	$86.8M	1,099,431
BAMCO INC /NY/	$58.5M	741,485
NVP Associates, LLC	$40.5M	513,330
Neuberger Berman Group LLC	$37.8M	709,214
Invesco Ltd.	$32.1M	406,512
WASATCH ADVISORS LP	$29.2M	369,638
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME	$19.0M	240,587
EMERALD ADVISERS, LLC	$18.9M	239,562

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Is BLLN a good stock to buy?

13F Pro's AI-powered analysis of BillionToOne, Inc. (BLLN) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Healthcare sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for BLLN are available on the BLLN stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own BLLN?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling BLLN. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of BillionToOne, Inc.'s investment landscape.