Power Integrations Inc (POWI) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for POWI. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 361 institutions reported holding POWI, with 62.6 million shares worth $5.2 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 8,722,053 | $731M | INCREASED |
| Vanguard | 8,201,334 | $687M | INCREASED |
| Wellington Management | 3,595,855 | $301M | INCREASED |
| State Street | 3,194,155 | $267M | INCREASED |
| William Blair Investment Management | 2,382,007 | $200M | INCREASED |
Full institutional holdings, insider history, and congressional trades for Power Integrations Inc on SentiSense.