VICOR CORP's ticker is VICR and the CUSIP is 925815102. A total of 198 filers reported holding VICOR CORP in Q4 2020. The put-call ratio across all filers is 0.17 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $550,869 | +91254.7% | 9,354 | -4.2% | 0.00% | -40.0% |
| Q4 2022 | $603 | -99.9% | 9,768 | -1.5% | 0.01% | +25.0% |
| Q3 2022 | $455,000 | -12.8% | 9,913 | +0.6% | 0.00% | 0.0% |
| Q2 2022 | $522,000 | -15.5% | 9,853 | -1.5% | 0.00% | 0.0% |
| Q1 2022 | $618,000 | -28.6% | 9,998 | +1.5% | 0.00% | -33.3% |
| Q4 2021 | $865,000 | -83.2% | 9,853 | -74.9% | 0.01% | -80.6% |
| Q3 2021 | $5,163,000 | +116.7% | 39,224 | +97.2% | 0.03% | +121.4% |
| Q2 2021 | $2,383,000 | +23.8% | 19,891 | -6.8% | 0.01% | +27.3% |
| Q1 2021 | $1,925,000 | -11.6% | 21,342 | -3.4% | 0.01% | -21.4% |
| Q4 2020 | $2,177,000 | +19.0% | 22,087 | +1.1% | 0.01% | +7.7% |
| Q3 2020 | $1,830,000 | +26.7% | 21,855 | +12.0% | 0.01% | +18.2% |
| Q2 2020 | $1,444,000 | +63.0% | 19,509 | +9.7% | 0.01% | +37.5% |
| Q1 2020 | $886,000 | -0.7% | 17,786 | +3.7% | 0.01% | +14.3% |
| Q4 2019 | $892,000 | +53.0% | 17,150 | +0.3% | 0.01% | +40.0% |
| Q3 2019 | $583,000 | +21.5% | 17,093 | +12.1% | 0.01% | +25.0% |
| Q2 2019 | $480,000 | -3.6% | 15,243 | -4.9% | 0.00% | 0.0% |
| Q1 2019 | $498,000 | -19.5% | 16,031 | +2.9% | 0.00% | -20.0% |
| Q4 2018 | $619,000 | +8.2% | 15,577 | -0.5% | 0.01% | 0.0% |
| Q3 2018 | $572,000 | -35.6% | 15,651 | -9.7% | 0.01% | -16.7% |
| Q2 2018 | $888,000 | +74.1% | 17,331 | +2.2% | 0.01% | +50.0% |
| Q1 2018 | $510,000 | +66.1% | 16,964 | +1.9% | 0.00% | +100.0% |
| Q4 2017 | $307,000 | -14.7% | 16,653 | -1.9% | 0.00% | -33.3% |
| Q3 2017 | $360,000 | +8.8% | 16,974 | +1.6% | 0.00% | +50.0% |
| Q2 2017 | $331,000 | +3.4% | 16,710 | -5.3% | 0.00% | 0.0% |
| Q1 2017 | $320,000 | +22.6% | 17,654 | +4.4% | 0.00% | 0.0% |
| Q4 2016 | $261,000 | +37.4% | 16,907 | +5.9% | 0.00% | 0.0% |
| Q3 2016 | $190,000 | +19.5% | 15,967 | -1.5% | 0.00% | +100.0% |
| Q2 2016 | $159,000 | -3.6% | 16,218 | -2.2% | 0.00% | 0.0% |
| Q1 2016 | $165,000 | +20.4% | 16,577 | -1.9% | 0.00% | 0.0% |
| Q4 2015 | $137,000 | -19.9% | 16,906 | +0.6% | 0.00% | -50.0% |
| Q3 2015 | $171,000 | -58.3% | 16,800 | -50.0% | 0.00% | 0.0% |
| Q2 2015 | $410,000 | +64.7% | 33,600 | +105.4% | 0.00% | 0.0% |
| Q1 2015 | $249,000 | -36.8% | 16,362 | -49.7% | 0.00% | 0.0% |
| Q4 2014 | $394,000 | +149.4% | 32,558 | +93.5% | 0.00% | +100.0% |
| Q3 2014 | $158,000 | +6.0% | 16,828 | -5.6% | 0.00% | 0.0% |
| Q2 2014 | $149,000 | -19.0% | 17,833 | -1.1% | 0.00% | 0.0% |
| Q1 2014 | $184,000 | -27.0% | 18,040 | -3.9% | 0.00% | -50.0% |
| Q4 2013 | $252,000 | +53.7% | 18,763 | -6.4% | 0.00% | +100.0% |
| Q3 2013 | $164,000 | – | 20,048 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| S Squared Technology, LLC | 157,304 | $11,098,000 | 5.54% |
| Trellus Management Company, LLC | 129,945 | $9,168,000 | 5.34% |
| Ararat Capital Management LP | 180,447 | $12,731,000 | 4.07% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 290,750 | $20,512,000 | 2.97% |
| ASHFORD CAPITAL MANAGEMENT INC | 300,094 | $21,172,000 | 2.28% |
| APIS CAPITAL ADVISORS, LLC | 24,000 | $1,693,000 | 2.05% |
| First Washington CORP | 58,292 | $4,113,000 | 1.66% |
| Herald Investment Management Ltd | 122,000 | $8,607,000 | 1.57% |
| IRONWOOD INVESTMENT MANAGEMENT LLC | 36,346 | $2,564,000 | 1.39% |
| Alight Capital Management LP | 40,000 | $2,822,000 | 1.24% |