Vicor Corp
VICR- Exchange
- Nasdaq
- Industry
- Electronic Components, NEC
- SEC CIK
- 0000751978
In the last 90 days, Vicor Corp insiders filed 0 open-market purchases and 12 sales; 515 institutions reported holding it in 13F filings for Q2 2026, worth $8.27B in total; Maverick Capital is the only superinvestor holding it.
Holders of 5% or more of VICR
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Vicor Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vinciarelli Patrizio | 13G/A | 47.30%21.1M shares | – | Feb 11, 20251 filing | Feb 11, 2025 | SEC |
| JPMorgan Chase & Co | 13G/A | 13.20%4.45M shares | – | Apr 22, 20251 filing | Apr 22, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on Vicor Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 22, 202512:01 PM ET | JPMorgan Chase & Co | 13G/A | 13.20%4.45M shares | – | Mar 31, 2025 | SEC |
| Feb 11, 20255:08 PM ET | Vinciarelli Patrizio | 13G/A | 47.30%21.1M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Vicor Corp shares.
No Form 144 notices for Vicor Corp are on file.