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OmniAb

OABI
31
Biotechnology · Healthcare
Exchange
NASDAQ
Winston Score
31
Winston is serious
Below-average fundamentals — multiple weak pillars.
Data as of Aug 23, 2026 · filings through Jun 30, 2026
How the score breaks down
Quality
Mixed
Growth
Good
Cash Flow
Weak
Stability
Good
Valuation
Data not available

Winston Score History

The full picture

OmniAb is a biotechnology company that helps other drug companies discover new antibody-based medicines. It owns a platform of technologies — including its OmniChicken and OmniRat systems — that use specially engineered animals to generate human-like antibodies, which are proteins the body uses to fight disease. These antibody candidates are then licensed to pharmaceutical and biotech partners who develop them into potential treatments.

The company makes money primarily through licensing fees, milestone payments, and royalties tied to its partners' drug development progress. OmniAb operates mainly in the United States and works with a broad network of global pharmaceutical partners, giving it a diversified pipeline it does not have to fund itself. Its moat comes from proprietary transgenic animal platforms that are difficult and expensive to replicate. The main risk is that the company is deeply unprofitable and depends heavily on partners successfully advancing drugs through clinical trials — a process that is slow, uncertain, and largely outside OmniAb's control.

Growth Profile

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

Revenue Growth

+244.2% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

+66.7% YoY

YoY Growth Rate

EPS growth accelerating

Insider Activity

0.8%ownership

Declining

Insider ownership declining — could be dilution or selling

Cash Runway

~5 years

$52M cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

$52M cash & investments at current burn rate

Revenue accelerating

OmniAb grew revenue 244% year-over-year and the growth rate is speeding up. That's the kind of momentum growth investors look for — the question is whether margins can follow.

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

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Quality

Profit per sale
Gross Margin
95.5%
Premium pricing power — 95.5% gross margin
Profit after running costs
Operating Margin
-49.5%
Losing money on operations — -49.5%
Return on the money invested
ROCE
-17.3%
Weak — -17.3% return on capital

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

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Growth

Sales growth
Sales YoY
+66.9%
Fast-growing sales (+66.9% YoY)
Profit growth
EPS YoY
N/A
Data not available
How steady the profit is
EPS Consistency
6/8 quarters
Earnings grew in most of the last 8 quarters

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Cash Flow

Profit that turns into cash
Cash Conversion
N/A
Data not available
Spare cash per sale
FCF Margin
-60.4%
Burning cash (-60.4%)

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

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Stability

What it owes vs what it owns
Debt / Equity
0.07
Conservative — low debt load (0.07)
Covers its interest
Interest Cover
N/A
Data not available

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Valuation

Price vs profit
P/E Ratio (TTM)
N/M
no trend
Negative earnings — P/E not meaningful
Cheaper or dearer next year
P/E vs Forward
N/A
not available
Data not available

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Dividends

Not applicable for this business.
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