VICOR CORP's ticker is VICR and the CUSIP is 925815102. A total of 193 filers reported holding VICOR CORP in Q1 2021. The put-call ratio across all filers is 0.50 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $699,437 | +27.0% | 11,877 | +16.4% | 0.00% | – |
| Q2 2023 | $550,908 | -36.3% | 10,202 | -44.6% | 0.00% | – |
| Q1 2023 | $864,776 | -49.2% | 18,423 | -41.9% | 0.00% | -100.0% |
| Q4 2022 | $1,702,962 | +186.2% | 31,683 | +214.4% | 0.00% | – |
| Q3 2022 | $595,000 | -11.5% | 10,076 | -18.1% | 0.00% | – |
| Q2 2022 | $672,000 | -28.7% | 12,296 | -7.9% | 0.00% | – |
| Q1 2022 | $942,000 | -49.5% | 13,353 | -9.1% | 0.00% | -100.0% |
| Q4 2021 | $1,867,000 | -16.9% | 14,697 | -12.2% | 0.00% | 0.0% |
| Q3 2021 | $2,247,000 | -66.6% | 16,747 | -73.7% | 0.00% | -66.7% |
| Q2 2021 | $6,722,000 | +362.0% | 63,579 | +271.5% | 0.00% | +200.0% |
| Q1 2021 | $1,455,000 | -6.2% | 17,115 | +1.8% | 0.00% | 0.0% |
| Q4 2020 | $1,551,000 | +70.8% | 16,817 | +44.0% | 0.00% | 0.0% |
| Q3 2020 | $908,000 | -49.2% | 11,678 | -53.0% | 0.00% | 0.0% |
| Q2 2020 | $1,788,000 | -8.9% | 24,850 | -43.6% | 0.00% | -50.0% |
| Q1 2020 | $1,962,000 | -5.0% | 44,058 | -0.4% | 0.00% | +100.0% |
| Q4 2019 | $2,066,000 | +286.9% | 44,247 | +144.2% | 0.00% | – |
| Q3 2019 | $534,000 | -79.1% | 18,120 | -78.0% | 0.00% | -100.0% |
| Q2 2019 | $2,559,000 | +250.1% | 82,474 | +248.9% | 0.00% | – |
| Q1 2019 | $731,000 | -68.0% | 23,641 | -60.9% | 0.00% | -100.0% |
| Q4 2018 | $2,284,000 | -71.8% | 60,472 | -65.6% | 0.00% | 0.0% |
| Q3 2018 | $8,094,000 | +4.7% | 175,997 | -0.9% | 0.00% | 0.0% |
| Q2 2018 | $7,731,000 | +184.1% | 177,531 | +86.2% | 0.00% | +100.0% |
| Q1 2018 | $2,721,000 | +251.1% | 95,335 | +156.4% | 0.00% | – |
| Q4 2017 | $775,000 | +118.9% | 37,182 | +146.3% | 0.00% | – |
| Q3 2017 | $354,000 | +6.0% | 15,098 | -19.4% | 0.00% | – |
| Q2 2017 | $334,000 | +370.4% | 18,725 | +321.4% | 0.00% | – |
| Q1 2017 | $71,000 | -55.6% | 4,443 | -58.6% | 0.00% | – |
| Q4 2016 | $160,000 | -26.6% | 10,738 | -43.2% | 0.00% | – |
| Q3 2016 | $218,000 | +7.9% | 18,906 | -6.2% | 0.00% | – |
| Q2 2016 | $202,000 | -28.1% | 20,155 | -25.4% | 0.00% | – |
| Q1 2016 | $281,000 | -17.1% | 27,020 | -27.7% | 0.00% | – |
| Q4 2015 | $339,000 | -35.6% | 37,366 | -27.9% | 0.00% | – |
| Q3 2015 | $526,000 | -6.7% | 51,793 | +11.8% | 0.00% | – |
| Q2 2015 | $564,000 | +3.7% | 46,333 | +29.2% | 0.00% | – |
| Q1 2015 | $544,000 | +0.9% | 35,874 | -19.6% | 0.00% | – |
| Q4 2014 | $539,000 | +106.5% | 44,624 | +59.8% | 0.00% | – |
| Q3 2014 | $261,000 | +24.9% | 27,919 | +10.6% | 0.00% | – |
| Q2 2014 | $209,000 | +29.8% | 25,243 | +59.1% | 0.00% | – |
| Q1 2014 | $161,000 | +2.5% | 15,862 | +34.9% | 0.00% | – |
| Q4 2013 | $157,000 | -43.7% | 11,759 | -65.6% | 0.00% | – |
| Q3 2013 | $279,000 | – | 34,232 | – | 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% |