Vicor (VICR) relationships
Vicor (VICR) is connected to 40 named shareholders, 0 other companies and 18 officers and directors, each link from an SEC filing. Its largest named shareholder is Patrizio Vinciarelli, with 18.4% of the company (Form 4, Oct 2, 2026).
Largest shareholders of Vicor
| Holder | % of company | Filing | As of | Accession |
|---|---|---|---|---|
| Patrizio Vinciarelli | 18.4% | Form 4 | Oct 2, 2026 | 0001193125-26-414060 |
| T. Rowe Price | 9.5% | 13G | Aug 31, 2026 | 0000080255-26-000597 |
| Vanguard | 5.5% | 13F | Jun 30, 2026 | 0002100121-26-001018 |
| BlackRock | 5.3% | 13F | Jun 30, 2026 | 0002012383-26-003238 |
| JPMorgan | 3.0% | 13G | Aug 31, 2026 | 0000019617-26-000336 |
| State Street | 1.6% | 13F | Jun 30, 2026 | 0000093751-26-000583 |
| Geode Capital | 1.3% | 13F | Jun 30, 2026 | 0001214717-26-000008 |
| Jane Street | 1.2% | 13F | Jun 30, 2026 | 0001595888-26-000108 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 1.2% | 13F | Jun 30, 2026 | 0001145443-26-000103 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.2% | 13F | Jun 30, 2026 | 0001164508-26-000035 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 1.1% | 13F | Jun 30, 2026 | 0000919574-26-005153 |
| Driehaus Capital Management LLC | 1.1% | 13F | Jun 30, 2026 | 0000938206-26-000048 |
| Dimensional | 1.1% | 13F | Jun 30, 2026 | 0000354204-26-000866 |
| AQR | 0.97% | 13F | Jun 30, 2026 | 0001167557-26-000226 |
| Goldman Sachs | 0.81% | 13F | Jun 30, 2026 | 0000886982-26-000519 |
Officers and directors of Vicor
- Patrizio Vinciarelli — Chairman & CEO · Director · 10% owner (Form 4, Oct 5, 2026)
- Estia J. Eichten — Director (Form 4, Jul 28, 2026)
- Michael McNamara — Corp. VP-General Mrg. Ops. · Director (Form 4, Jun 24, 2026)
- Claudio Tuozzolo — Corp. Vice President · Director (Form 4, Jun 23, 2026)
- Samuel J. Anderson — Director (Form 4, Aug 24, 2026)
- Sean Crilly — Corp. VP-Eng., Pwr Syst. (Form 4, Jun 8, 2026)
- Alex Gusinov — Corp. Vice President Eng. (Form 4, May 14, 2026)
- Philip D. Davies — Corp. VP-Global Sales & Mktg. · Director (Form 4, Oct 5, 2026)
- Alvaro Doyle — VP and CIO (Form 4, May 13, 2026)
- Zmira Lavie — Director (Form 4, Aug 19, 2026)
- Andrew D'Amico — Director (Form 4, Jun 29, 2026)
- James F. Schmidt — CFO, Treasurer, Secretary · Director (Form 4, Jun 29, 2026)
- Nancy L. Grava — VP Human Resources (Form 4, May 28, 2026)
- Robert Gendron — Corp. VP - Marketing (Form 4, May 27, 2026)
- Kemble D. Morrison — VP-Corporate Controller (Form 4, May 12, 2026)
- Quentin A. Fendelet — Corp. VP - CAO (Form 4, May 12, 2026)
- Jason Carlson — Director (Form 4, Jun 24, 2026)
- Zheng John Shen — Director (Form 4, Jun 24, 2026)
Map of Vicor's relationships · Who owns Vicor