Who Owns POWER INTEGRATIONS INC (POWI)? -- Institutional Holders (2026-06-30)
398 institutions reported holding $5.37B of POWER INTEGRATIONS INC (POWI) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($730.6M), VANGUARD GROUP INC ($686.0M), WELLINGTON MANAGEMENT GROUP LLP ($301.2M), STATE STREET CORP ($267.5M), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC ($199.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $730.6M | 8.7M | Added |
| 2 | VANGUARD GROUP INC | $686.0M | 8.2M | Added |
| 3 | WELLINGTON MANAGEMENT GROUP LLP | $301.2M | 3.6M | Added |
| 4 | STATE STREET CORP | $267.5M | 3.2M | Added |
| 5 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $199.5M | 2.4M | Added |
| 6 | NEUBERGER BERMAN GROUP LLC | $169.2M | 2.0M | Trimmed |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | $161.2M | 1.9M | Added |
| 8 | DISCIPLINED GROWTH INVESTORS INC /MN | $158.5M | 1.9M | Trimmed |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $151.0M | 1.8M | Added |
| 10 | SNYDER CAPITAL MANAGEMENT L P | $148.0M | 1.8M | Trimmed |
| 11 | Robeco Schweiz AG | $112.3M | 1.3M | Added |
| 12 | MORGAN STANLEY | $99.9M | 1.2M | Trimmed |
| 13 | Capital International Investors | $99.2M | 1.2M | Added |
| 14 | DIMENSIONAL FUND ADVISORS LP | $90.9M | 1.1M | Added |
| 15 | Nuveen, LLC | $85.4M | 1.0M | Trimmed |
| 16 | CONGRESS ASSET MANAGEMENT CO | $77.9M | 930,059 | New |
| 17 | Copeland Capital Management, LLC | $73.9M | 882,810 | Trimmed |
| 18 | Boston Trust Walden Corp | $73.9M | 882,471 | Added |
| 19 | Invesco Ltd. | $72.9M | 870,396 | Added |
| 20 | JPMORGAN CHASE & CO | $69.6M | 879,254 | Trimmed |
| 21 | AMERICAN CENTURY COMPANIES INC | $65.5M | 781,675 | Added |
| 22 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $64.3M | 767,672 | New |
| 23 | NORTHERN TRUST CORP | $64.0M | 764,474 | Trimmed |
| 24 | Stephens Investment Management Group LLC | $63.3M | 755,549 | Added |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $63.1M | 753,514 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30