10 institutions reported holding $78.9M of Power Integrations Inc (POWI) in SEC 13F filings for 2026-06-30. Largest institutional holders: CONGRESS ASSET MANAGEMENT CO ($77.9M), TRUST POINT INC. ($745,630), GAMMA Investing LLC ($157,888), HARBOR INVESTMENT ADVISORY, LLC ($33,085), MassMutual Private Wealth & Trust, FSB ($11,810). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CONGRESS ASSET MANAGEMENT CO | $77.9M | 930,059 | New |
| 2 | TRUST POINT INC. | $745,630 | 8,902 | Trimmed |
| 3 | GAMMA Investing LLC | $157,888 | 1,885 | Added |
| 4 | HARBOR INVESTMENT ADVISORY, LLC | $33,085 | 395 | New |
| 5 | MassMutual Private Wealth & Trust, FSB | $11,810 | 141 | Added |
| 6 | Arlington Trust Co LLC | $8,962 | 107 | Hold |
| 7 | Versant Capital Management, Inc | $7,287 | 87 | Trimmed |
| 8 | MJT & Associates Financial Advisory Group, Inc. | $5,445 | 65 | Hold |
| 9 | CoreCap Advisors, LLC | $2,597 | 31 | New |
| 10 | Cedar Mountain Advisors, LLC | $838 | 10 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30