| SC 13G/A | 2019-02-06 | BlackRock Inc. | VICOR CORP | 2,349,792 | 8.3% | EDGAR |
| SC 13G/A | 2019-02-04 | VINCIARELLI PATRIZIO | VICOR CORP | 20,885,253 | 52.9% | EDGAR |
| SC 13G/A | 2018-02-12 | ASHFORD CAPITAL MANAGEMENT INC | VICOR CORP | 1,773,614 | 6.4% | EDGAR |
| SC 13G/A | 2018-01-30 | VINCIARELLI PATRIZIO | VICOR CORP | 20,885,253 | 54.0% | EDGAR |
| SC 13G/A | 2018-01-23 | BlackRock Inc. | VICOR CORP | 2,221,405 | 8.1% | EDGAR |
| SC 13G/A | 2017-02-14 | ASHFORD CAPITAL MANAGEMENT INC | VICOR CORP | 1,698,600 | 6.3% | EDGAR |
| SC 13G/A | 2017-01-30 | VINCIARELLI PATRIZIO | VICOR CORP | 20,851,920 | 54.5% | EDGAR |
| SC 13G/A | 2017-01-27 | BlackRock Inc. | VICOR CORP | 1,941,933 | 7.2% | EDGAR |
| SC 13G/A | 2016-02-12 | ASHFORD CAPITAL MANAGEMENT INC | VICOR CORP | 1,714,761 | 6.3% | EDGAR |
| SC 13G/A | 2016-02-05 | VINCIARELLI PATRIZIO | VICOR CORP | 20,851,919 | 54.8% | EDGAR |
| SC 13G/A | 2016-01-27 | BlackRock Inc. | VICOR CORP | 1,679,115 | 6.2% | EDGAR |
| SC 13G | 2015-02-12 | ASHFORD CAPITAL MANAGEMENT INC | VICOR CORP | 1,364,410 | 5.1% | EDGAR |
| SC 13G/A | 2015-02-11 | VINCIARELLI PATRIZIO | VICOR CORP | 20,782,541 | 54.8% | EDGAR |
| SC 13G/A | 2015-01-30 | BlackRock Inc. | VICOR CORP | 1,637,786 | 6.1% | EDGAR |
| SC 13G/A | 2014-02-14 | Manatuck Hill Partners, LLC | VICOR CORP | 961,338 | 3.6% | EDGAR |
| SC 13G/A | 2014-02-07 | VINCIARELLI PATRIZIO | VICOR CORP | 20,699,128 | 54.8% | EDGAR |
| SC 13G/A | 2014-01-31 | BlackRock Inc. | VICOR CORP | 1,768,685 | 6.6% | EDGAR |
| SC 13G/A | 2013-02-14 | Manatuck Hill Partners, LLC | VICOR CORP | 1,996,238 | 6.6% | EDGAR |
| SC 13G/A | 2013-02-14 | VINCIARELLI PATRIZIO | VICOR CORP | 20,699,128 | 50.4% | EDGAR |
| SC 13G | 2013-01-30 | BlackRock Inc. | VICOR CORP | 1,565,509 | 5.2% | EDGAR |