Power Integrations Inc (POWI)
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
Largest Shareholders
Institutions
| 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
| 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
| 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.