VICOR CORP's ticker is VICR and the CUSIP is 925815102. A total of 139 filers reported holding VICOR CORP in Q4 2019. The put-call ratio across all filers is 0.38 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $3,000 | -57.1% | 44 | -73.7% | 0.00% | -50.0% |
| Q1 2020 | $7,000 | -12.5% | 167 | 0.0% | 0.00% | +100.0% |
| Q4 2019 | $8,000 | +60.0% | 167 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $5,000 | 0.0% | 167 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $5,000 | -28.6% | 167 | -20.5% | 0.00% | 0.0% |
| Q1 2019 | $7,000 | -22.2% | 210 | -9.9% | 0.00% | -50.0% |
| Q4 2018 | $9,000 | +80.0% | 233 | +100.9% | 0.00% | +100.0% |
| Q3 2018 | $5,000 | 0.0% | 116 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $5,000 | +66.7% | 116 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $3,000 | -25.0% | 116 | -35.6% | 0.00% | 0.0% |
| Q4 2017 | $4,000 | 0.0% | 180 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $4,000 | +33.3% | 180 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $3,000 | 0.0% | 180 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $3,000 | 0.0% | 180 | -12.2% | 0.00% | 0.0% |
| Q4 2016 | $3,000 | +50.0% | 205 | 0.0% | 0.00% | – |
| Q3 2016 | $2,000 | – | 205 | – | 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% |