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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,587,380 | +16.5% | 26,955 | +6.8% | 0.00% | 0.0% |
| Q2 2023 | $1,362,798 | +13.4% | 25,237 | -1.4% | 0.00% | 0.0% |
| Q1 2023 | $1,201,664 | -14.9% | 25,600 | -2.6% | 0.00% | 0.0% |
| Q4 2022 | $1,412,228 | -10.2% | 26,274 | -1.2% | 0.00% | 0.0% |
| Q3 2022 | $1,572,178 | +7.2% | 26,584 | -0.8% | 0.00% | 0.0% |
| Q2 2022 | $1,466,436 | -21.9% | 26,794 | +0.6% | 0.00% | 0.0% |
| Q1 2022 | $1,878,112 | -57.5% | 26,621 | -23.6% | 0.00% | -66.7% |
| Q4 2021 | $4,422,000 | +194.6% | 34,824 | +211.3% | 0.00% | +200.0% |
| Q3 2021 | $1,501,000 | +15.5% | 11,188 | -9.0% | 0.00% | 0.0% |
| Q2 2021 | $1,300,000 | +36.4% | 12,290 | +9.6% | 0.00% | 0.0% |
| Q1 2021 | $953,000 | -13.6% | 11,212 | -6.2% | 0.00% | 0.0% |
| Q4 2020 | $1,103,000 | +28.4% | 11,956 | +8.2% | 0.00% | 0.0% |
| Q3 2020 | $859,000 | -88.0% | 11,052 | -88.9% | 0.00% | -85.7% |
| Q2 2020 | $7,151,000 | -10.5% | 99,670 | -44.5% | 0.01% | -22.2% |
| Q1 2020 | $7,992,000 | +23.0% | 179,440 | +29.0% | 0.01% | +28.6% |
| Q4 2019 | $6,497,000 | +1805.3% | 139,076 | +1098.1% | 0.01% | – |
| Q3 2019 | $341,000 | -7.6% | 11,608 | -2.2% | 0.00% | – |
| Q2 2019 | $369,000 | +68.5% | 11,873 | +68.5% | 0.00% | – |
| Q1 2019 | $219,000 | +5.8% | 7,047 | +28.4% | 0.00% | – |
| Q4 2018 | $207,000 | -62.3% | 5,490 | -54.0% | 0.00% | -100.0% |
| Q3 2018 | $549,000 | -6.8% | 11,931 | -11.8% | 0.00% | 0.0% |
| Q2 2018 | $589,000 | +53.0% | 13,529 | +0.3% | 0.00% | – |
| Q1 2018 | $385,000 | +34.6% | 13,490 | -1.2% | 0.00% | – |
| Q4 2017 | $286,000 | -15.6% | 13,652 | -5.1% | 0.00% | – |
| Q3 2017 | $339,000 | +27.9% | 14,391 | -2.8% | 0.00% | – |
| Q2 2017 | $265,000 | +16.7% | 14,801 | +4.9% | 0.00% | – |
| Q1 2017 | $227,000 | +15.8% | 14,113 | +8.7% | 0.00% | – |
| Q4 2016 | $196,000 | +22.5% | 12,982 | -5.7% | 0.00% | – |
| Q3 2016 | $160,000 | +12.7% | 13,770 | -2.3% | 0.00% | – |
| Q2 2016 | $142,000 | +12.7% | 14,094 | +10.6% | 0.00% | – |
| Q1 2016 | $126,000 | +12.5% | 12,744 | +3.6% | 0.00% | – |
| Q4 2015 | $112,000 | -5.9% | 12,307 | +5.3% | 0.00% | – |
| Q3 2015 | $119,000 | -17.9% | 11,683 | -2.0% | 0.00% | – |
| Q2 2015 | $145,000 | -19.9% | 11,919 | 0.0% | 0.00% | – |
| Q1 2015 | $181,000 | +28.4% | 11,919 | +2.0% | 0.00% | – |
| Q4 2014 | $141,000 | +22.6% | 11,689 | -4.7% | 0.00% | – |
| Q3 2014 | $115,000 | +858.3% | 12,262 | +752.7% | 0.00% | – |
| Q2 2014 | $12,000 | -92.2% | 1,438 | -90.4% | 0.00% | – |
| Q1 2014 | $153,000 | -28.2% | 14,955 | -6.0% | 0.00% | – |
| Q4 2013 | $213,000 | +1675.0% | 15,907 | +947.2% | 0.00% | – |
| Q3 2013 | $12,000 | +50.0% | 1,519 | +28.9% | 0.00% | – |
| Q2 2013 | $8,000 | – | 1,178 | – | 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% |