VICOR CORP's ticker is VICR and the CUSIP is 925815102. A total of 218 filers reported holding VICOR CORP in Q3 2021. The put-call ratio across all filers is 0.26 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $241,000 | -71.8% | 1,900 | -70.2% | 0.01% | -75.0% |
| Q3 2021 | $856,000 | +23.3% | 6,380 | -2.7% | 0.02% | +25.0% |
| Q2 2021 | $694,000 | +24.6% | 6,560 | +0.2% | 0.02% | +14.3% |
| Q1 2021 | $557,000 | -7.5% | 6,550 | +0.3% | 0.01% | -6.7% |
| Q4 2020 | $602,000 | +111.2% | 6,530 | +77.9% | 0.02% | +87.5% |
| Q3 2020 | $285,000 | +7.5% | 3,670 | -0.5% | 0.01% | 0.0% |
| Q2 2020 | $265,000 | +1.9% | 3,690 | -58.1% | 0.01% | 0.0% |
| Q3 2019 | $260,000 | -4.8% | 8,800 | 0.0% | 0.01% | 0.0% |
| Q2 2019 | $273,000 | -7.8% | 8,800 | -7.9% | 0.01% | 0.0% |
| Q1 2019 | $296,000 | -18.0% | 9,550 | -0.1% | 0.01% | -27.3% |
| Q4 2018 | $361,000 | +8.4% | 9,560 | +32.0% | 0.01% | +37.5% |
| Q3 2018 | $333,000 | -0.3% | 7,240 | -5.7% | 0.01% | -11.1% |
| Q2 2018 | $334,000 | +59.0% | 7,680 | +4.6% | 0.01% | +80.0% |
| Q1 2018 | $210,000 | -16.0% | 7,340 | -30.6% | 0.01% | -16.7% |
| Q3 2017 | $250,000 | 0.0% | 10,580 | 0.0% | 0.01% | 0.0% |
| Q3 2016 | $250,000 | – | 10,580 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Trellus Management Company, LLC | 129,945 | $6,099,618 | 7.18% |
| BEACONLIGHT CAPITAL, LLC | 207,753 | $9,751,926 | 5.15% |
| S Squared Technology, LLC | 157,304 | $7,383,850 | 4.38% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 408,500 | $19,174,990 | 3.31% |
| First Washington CORP | 106,999 | $5,022,533 | 2.48% |
| ASHFORD CAPITAL MANAGEMENT INC | 298,564 | $14,014,594 | 2.10% |
| Herald Investment Management Ltd | 140,000 | $6,567,400 | 1.46% |
| Brown Capital Management | 1,936,242 | $90,887,199 | 1.36% |
| Numerai GP LLC | 78,904 | $3,703,754 | 1.24% |
| DARK FOREST CAPITAL MANAGEMENT LP | 91,189 | $4,280,412 | 1.02% |