Yarrow Bioscience

YARW

Biotechnology · Healthcare

Price

$28.50

-0.44 (-1.52%)

Market Cap

$24.5M

Exchange

NASDAQ

Winston Score

Winston is worried

Weak fundamentals across most pillars.

Data as of Jul 28, 2026 · filings through Mar 31, 2026

Share count rising — dilution

+1395.9% over 4y

The company has issued more shares over this period, which dilutes each existing shareholder’s stake.

Diluted shares outstanding: 57K (2021) → 855K (2025)

Yarrow Bioscience Inc is a small biotechnology company focused on developing experimental drugs and therapies. Biotech companies like this one work on discovering new medicines, typically targeting diseases where current treatments are limited or unavailable. The company operates in the healthcare sector, where it is working to move drug candidates through clinical research and testing stages.

Yarrow Bioscience does not yet generate meaningful revenue from product sales, which is common for early-stage biotech firms. Its near-100% gross margin on minimal revenue and deeply negative operating margin reflect a business that spends heavily on research and development while relying on capital raises — such as stock offerings or partnerships — to fund operations. The company's main risk is straightforward: it must successfully advance its drug pipeline through clinical trials and regulatory approval before it runs out of funding, and failure at any stage could significantly threaten the business.

Winston Score History

Growth Profile

For growth stock investors

When traditional metrics don't capture the full picture, these are the signals growth stock investors use instead.

Revenue Growth

-57.4% YoY

YoY Growth Rate

Revenue declining

EPS Growth

+58.1% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$19M/ year

↓ Declining (-38% vs prior year)

>1,000% of revenue

187.5x the sector average (18%)

R&D spend declining — could signal cost-cutting or efficiency

Cash Runway

~18 months

$25M cash & investments

Adequate runway but may need to raise capital within 2 years

Revenue declining

Yarrow Bioscience's revenue is actually shrinking. In a growth stock, that removes the core investment thesis. The low Winston Score here may be warranted — unless there's a turnaround story.

The Winston Score above measures business quality today. Growth stocks often score lower because they invest in the future rather than maximising current profits. These metrics show what matters most for evaluating that future.

Score breakdown

Every number that matters to educated investors.

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Quality

Gross Margin

93.0%

Premium pricing power — 93.0% gross margin

Operating Margin

-4437.2%

Losing money on operations — -4437.2%

ROCE

-15.5%

Weak — -15.5% return on capital

Negative ROIC means the business is losing money on every dollar invested in it.

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Growth

Sales YoY

-25.0%

Shrinking sales (-25.0% YoY)

EPS YoY

N/A

—

Data not available

EPS Consistency

0/8 quarters

Earnings rarely grow — volatile business

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Cash Flow

Cash Conversion

N/A

—

Data not available

FCF Margin

-5670.5%

Burning cash (-5670.5%)

Free cash flow is negative. They are burning cash, not generating it.

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Stability

Debt / Equity

N/A

Data not available

Interest Cover

N/A

—

Data not available

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Valuation

P/E Ratio (TTM)

N/M

—

Negative earnings — P/E not meaningful

P/E vs Forward

N/A

not available

Data not available

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Dividends

Dividend Yield

1.46%

Small dividend — 1.46% yield

Modest yield. The bulk of any return needs to come from price appreciation.

Dividend Growth

N/A

no trend

Data not available

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