Schedule 13G
POWI Schedule 13G filing by Vanguard Capital Management
Vanguard Capital Management reported beneficial ownership of 2.9M shares, representing 12% of POWER INTEGRATIONS INC in this filing.
FiledApr 30, 2026
Ownership dateMar 31, 2026
Reported shares2.9M
Reported ownership12%
Ownership details
Voting and dispositive power reported in the filing
These figures describe the reporting filer’s disclosed voting and investment authority. They should be read together with the reported share count and percentage.
Sole voting power
425.5K
Shared voting power
2.9M
Sole dispositive power
2.9M
Shared dispositive power
2.9M
Price context
Price dates alongside the ownership filing
Price data provides market context around the disclosure. It does not identify the filer’s actual transaction price.
Close near filing date$72.71as of Apr 30, 2026
Latest tracked price$61.95as of Aug 5, 2026
Source
Original filing and accession
Use the SEC filing as the primary source when you need the complete disclosure, footnotes, exhibits, or reporting-person details.
- Reporting filer
- Vanguard Capital Management
- CIK
- CIK0002100119
- Accession
- 0002100119-26-000947
- Form
- Schedule 13G
Read the filing in context