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Power Integrations Inc (POWI)

Technology Semiconductors
60.70 $
-0.3% vs. previous close
Closing price · As of: 31. Jul 2026

Who owns Power Integrations Inc (POWI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.3% of the shares are freely tradable; institutional investors hold 116.1%.

Ownership Structure

Institutional ownership
116.1%
Insiders
1.6%
Float
98.3%
Short % of float
12.0%
Shares Outstanding
56Mio.

Largest Shareholders

Institutions

Institutions POWI
Name Stake (%) Shares Change (%) Date
BlackRock Inc 15.29 8,521,749 +0.1 03/31/2026
Vanguard Group Inc 13.56 7,556,919 +5.7 12/31/2025
Vanguard Portfolio Management, LLC 8.93 4,975,859 +0.0 03/31/2026
Neuberger Berman Group LLC 7.06 3,933,099 -1.0 03/31/2026
Wellington Management Company LLP 6.02 3,356,153 +38.5 03/31/2026
State Street Corp 5.52 3,077,843 -9.5 03/31/2026
Vanguard Capital Management, LLC 4.50 2,506,919 +0.0 03/31/2026
William Blair Investment Management, LLC 4.27 2,380,677 +0.0 03/31/2026

Funds

Funds POWI
Name Stake (%) Shares Change (%) Date
iShares Core S&P Small-Cap ETF 6.04 3,366,679 +0.0 05/29/2026
Neuberger Genesis Inv 4.02 2,236,517 -5.5 03/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
22. Jul 2026 Lloyd Jennifer A President and CEO Sell 7,050 73.73 519,797
22. Jul 2026 Lloyd Jennifer A President and CEO Sell 5,640 73.73 415,837

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.

View all insider transactions →

Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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