Power Integrations

POWI

Semiconductors · Technology

Price

$70.45

+0.61 (+0.87%)

Market Cap

$3.93B

Exchange

NASDAQ

Winston Score

Winston is serious

Below-average fundamentals — multiple weak pillars.

Share count falling — buybacks

−8.4% over 4y

The company has reduced its share count over this period, returning value to shareholders through buybacks.

Diluted shares outstanding: 61.5M (2021) → 56.3M (2025)

Power Integrations, Inc. designs, develops, manufactures, and markets analog and mixed-signal integrated circuits (ICs), and other electronic components and circuitry used in high-voltage power conversion worldwide. The company provides a range of alternating current to direct current power conversion products that address power supply ranging from less than one watt of output to approximately 500 watts of output for mobile-device chargers, consumer appliances, utility meters, LCD monitors, main

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

+2.6% YoY

YoY Growth Rate

Slow revenue growth

EPS Growth

-60.4% YoY

YoY Growth Rate

Earnings declining

R&D Spend

$101M/ year

→ Flat (+0% vs prior year)

22.8% of revenue

1.5x the sector average (15%)

Steady R&D investment year-over-year

Insider Activity

1.7%ownership

↓ Declining

Insider ownership declining — could be dilution or selling

Cash Position

Cash flow positive

$63M cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

Company generates more cash than it spends — no dilution risk from fundraising

Growth context

Power Integrations is growing revenue at 3% year-over-year. The Winston Score measures business quality today — these growth metrics show what could matter tomorrow.

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

Gross Margin

52.6%

Healthy — 52.6% gross margin

Operating Margin

5.8%

Thin — 5.8% operating margin

ROCE

0.9%

Weak — 0.9% return on capital

ROIC between 0% and 5%. They earn a few cents back per dollar invested in the business.

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Growth

Sales YoY

+3.1%

Slow sales growth (3.1% YoY)

EPS YoY

-53.6%

Earnings shrinking (-53.6% YoY)

Earnings per share down more than 10%. Either a bad year, or a real decline.

EPS Consistency

2/8 quarters

Earnings rarely grow — volatile business

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Cash Flow

Cash Conversion

633%

Turns 633% of profit into real cash

FCF Margin

18.9%

Converts sales into free cash efficiently (18.9%)

FCF margin between 10% and 20%. Every $100 in sales becomes $10 to $20 in real cash.

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Stability

Debt / Equity

N/A

Data not available

Interest Cover

100.00x

—

Comfortably covers interest (100.0x)

Interest coverage above 8. Profits cover interest many times over.

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Valuation

P/E Ratio (TTM)

235.3x

Expensive — P/E 235.3

P/E over 35. The market is pricing in heavy, sustained growth.

P/E vs Forward

+175.8

GROWING

Earnings expected to grow meaningfully — cheaper on forward P/E (235.3 → 59.5)

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Dividends

Dividend Yield

1.07%

Small dividend — 1.07% yield

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

Dividend Growth

+2.4%

Dividend flat

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