Vicor Corporation
Ownership
Ownership Structure
Who owns Vicor Corporation (VICR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 74.7% of the shares are freely tradable; institutional investors hold 63.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 6.26 | 2,884,375 | -19.3 | 03/31/2026 |
| JPMorgan Chase & Co | 4.57 | 2,106,726 | -47.6 | 03/31/2026 |
| T. Rowe Price Associates, Inc. | 4.10 | 1,888,446 | +329.4 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 2.52 | 1,162,134 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 2.24 | 1,034,740 | +0.0 | 03/31/2026 |
| State Street Corp | 1.76 | 811,617 | -3.0 | 03/31/2026 |
| Manufacturers Life Insurance Co | 1.31 | 603,364 | +39.6 | 03/31/2026 |
| Geode Capital Management, LLC | 1.31 | 602,661 | +7.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 1.77 | 818,090 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 1.75 | 808,960 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Eichten Estia J | Director | 104,825 | 22,684,130 $ | Jul 24, 2026 | direct |
| Anderson Samuel J | Director | 7,443 | 1,610,665 $ | Aug 20, 2026 | direct |
| Davies Philip D | Corp. VP-Global Sales & Mktg. | 1,920 | 415,488 $ | Sep 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | Davies Philip D | Corp. VP-Global Sales & Mktg. | Sell | 100 | 184.85 | 18,485 |
| Sep 1, 2026 | Davies Philip D | Corp. VP-Global Sales & Mktg. | Sell | 700 | 178.66 | 125,062 |
| Sep 1, 2026 | Davies Philip D | Corp. VP-Global Sales & Mktg. | Sell | 1,100 | 177.63 | 195,394 |
| Sep 1, 2026 | Davies Philip D | Corp. VP-Global Sales & Mktg. | Sell | 1,173 | 176.59 | 207,143 |
| Sep 1, 2026 | Davies Philip D | Corp. VP-Global Sales & Mktg. | Other | 3,073 | 41.61 | 127,868 |
| Aug 20, 2026 | Anderson Samuel J | Director | Other | 1,216 | 32.89 | 39,994 |
| Aug 20, 2026 | Anderson Samuel J | Director | Other | 200 | 100.00 | 20,000 |
| Aug 20, 2026 | Anderson Samuel J | Director | Other | 908 | 44.07 | 40,016 |
| Aug 20, 2026 | Anderson Samuel J | Director | Other | 754 | 53.07 | 40,015 |
| Aug 20, 2026 | Anderson Samuel J | Director | Other | 331 | 60.37 | 19,982 |
| Aug 17, 2026 | Lavie Zmira | Director | Sell | 908 | 250.00 | 227,000 |
| Aug 17, 2026 | Lavie Zmira | Director | Other | 908 | 44.07 | 40,016 |
| Aug 17, 2026 | Anderson Samuel J | Director | Sell | 2,073 | 252.60 | 523,640 |
| Aug 3, 2026 | Davies Philip D | Corp. VP-Global Sales & Mktg. | Sell | 400 | 215.03 | 86,011 |
| Aug 3, 2026 | Davies Philip D | Corp. VP-Global Sales & Mktg. | Sell | 1,372 | 214.02 | 293,635 |
| Aug 3, 2026 | Davies Philip D | Corp. VP-Global Sales & Mktg. | Sell | 500 | 212.54 | 106,268 |
| Aug 3, 2026 | Davies Philip D | Corp. VP-Global Sales & Mktg. | Sell | 100 | 216.04 | 21,604 |
| Aug 3, 2026 | Davies Philip D | Corp. VP-Global Sales & Mktg. | Sell | 200 | 206.42 | 41,284 |
| Aug 3, 2026 | Davies Philip D | Corp. VP-Global Sales & Mktg. | Other | 3,072 | 41.61 | 127,826 |
| Jul 24, 2026 | Eichten Estia J | Director | Other | 1,061 | 47.15 | 50,026 |
| Jul 24, 2026 | Eichten Estia J | Director | Other | 1,611 | 31.05 | 50,022 |
| Jul 24, 2026 | Eichten Estia J | Director | Other | 731 | 68.48 | 50,059 |
| Jul 24, 2026 | Eichten Estia J | Director | Other | 2,584 | 19.35 | 50,000 |
| Jul 23, 2026 | Lavie Zmira | Director | Sell | 1,216 | 224.72 | 273,260 |
| Jul 23, 2026 | Lavie Zmira | Director | Other | 1,216 | 32.89 | 39,994 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.