VICOR CORP's ticker is VICR and the CUSIP is 925815102. A total of 150 filers reported holding VICOR CORP in Q4 2018. The put-call ratio across all filers is 1.34 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $493 | +159.5% | 8,385 | +106.2% | 0.00% | – |
| Q1 2023 | $190 | -100.0% | 4,067 | -64.1% | 0.00% | -100.0% |
| Q1 2022 | $800,000 | -19.2% | 11,341 | +45.4% | 0.00% | 0.0% |
| Q4 2021 | $990,000 | +597.2% | 7,802 | +486.2% | 0.00% | – |
| Q3 2021 | $142,000 | +19.3% | 1,331 | +17.7% | 0.00% | – |
| Q2 2021 | $119,000 | +101.7% | 1,131 | +60.4% | 0.00% | – |
| Q1 2021 | $59,000 | -76.5% | 705 | -79.8% | 0.00% | – |
| Q2 2020 | $251,000 | +392.2% | 3,491 | +219.7% | 0.00% | – |
| Q4 2019 | $51,000 | -80.2% | 1,092 | -87.6% | 0.00% | -100.0% |
| Q3 2019 | $258,000 | +18.3% | 8,773 | +24.4% | 0.00% | 0.0% |
| Q1 2019 | $218,000 | -32.9% | 7,051 | -18.2% | 0.00% | 0.0% |
| Q4 2018 | $325,000 | -76.3% | 8,619 | -71.1% | 0.00% | -75.0% |
| Q3 2018 | $1,371,000 | -27.8% | 29,823 | -31.6% | 0.00% | -42.9% |
| Q2 2018 | $1,899,000 | +1327.8% | 43,628 | +830.8% | 0.01% | +16.7% |
| Q1 2018 | $133,000 | +1377.8% | 4,687 | +958.0% | 0.01% | – |
| Q4 2017 | $9,000 | -82.0% | 443 | -79.1% | 0.00% | -100.0% |
| Q3 2017 | $50,000 | -63.5% | 2,122 | -84.5% | 0.00% | -77.8% |
| Q2 2016 | $137,000 | +2.2% | 13,664 | +6.3% | 0.01% | -18.2% |
| Q1 2016 | $134,000 | -24.7% | 12,859 | -34.4% | 0.01% | -21.4% |
| Q4 2015 | $178,000 | +10.6% | 19,614 | +24.1% | 0.01% | +16.7% |
| Q3 2015 | $161,000 | +7950.0% | 15,800 | +12053.8% | 0.01% | – |
| Q4 2014 | $2,000 | – | 130 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Trellus Management Company, LLC | 129,945 | $4,035,000 | 5.46% |
| APIS CAPITAL ADVISORS, LLC | 100,000 | $3,105,000 | 4.65% |
| S Squared Technology, LLC | 132,000 | $4,099,000 | 3.06% |
| ASHFORD CAPITAL MANAGEMENT INC | 582,583 | $18,089,000 | 2.42% |
| First Washington CORP | 147,180 | $4,570,000 | 2.25% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 158,500 | $4,922,000 | 1.62% |
| Manatuck Hill Partners, LLC | 106,898 | $3,319,000 | 1.55% |
| IRONWOOD INVESTMENT MANAGEMENT LLC | 40,614 | $1,261,000 | 0.98% |
| OBERWEIS ASSET MANAGEMENT INC/ | 126,950 | $3,942,000 | 0.72% |
| Capital Impact Advisors, LLC | 55,265 | $1,620,000 | 0.59% |