VICOR CORP's ticker is VICR and the CUSIP is 925815102. A total of 197 filers reported holding VICOR CORP in Q1 2023. The put-call ratio across all filers is 0.98 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $881 | -6.3% | 14,959 | -14.2% | 0.00% | 0.0% |
| Q2 2023 | $940 | +37.2% | 17,432 | +19.5% | 0.00% | – |
| Q1 2023 | $685 | +59.7% | 14,582 | +82.9% | 0.00% | – |
| Q4 2022 | $429 | -99.9% | 7,973 | +26.1% | 0.00% | – |
| Q3 2022 | $374,000 | +379.5% | 6,322 | +342.4% | 0.00% | – |
| Q2 2022 | $78,000 | -78.3% | 1,429 | -71.9% | 0.00% | – |
| Q1 2022 | $359,000 | -95.2% | 5,086 | -91.4% | 0.00% | -100.0% |
| Q4 2021 | $7,524,000 | +230.9% | 59,266 | +249.7% | 0.00% | 0.0% |
| Q3 2021 | $2,274,000 | +95.0% | 16,946 | +53.6% | 0.00% | 0.0% |
| Q2 2021 | $1,166,000 | -51.2% | 11,035 | -60.7% | 0.00% | 0.0% |
| Q1 2021 | $2,389,000 | -15.6% | 28,078 | -8.5% | 0.00% | 0.0% |
| Q4 2020 | $2,829,000 | +9.7% | 30,677 | -7.5% | 0.00% | -50.0% |
| Q3 2020 | $2,578,000 | +54.4% | 33,178 | +43.0% | 0.00% | +100.0% |
| Q2 2020 | $1,670,000 | +55.2% | 23,208 | -3.9% | 0.00% | 0.0% |
| Q1 2020 | $1,076,000 | -50.8% | 24,140 | -48.4% | 0.00% | 0.0% |
| Q4 2019 | $2,187,000 | +53.5% | 46,777 | -3.0% | 0.00% | 0.0% |
| Q3 2019 | $1,425,000 | +60.3% | 48,222 | +68.2% | 0.00% | 0.0% |
| Q2 2019 | $889,000 | -7.1% | 28,673 | -7.0% | 0.00% | 0.0% |
| Q1 2019 | $957,000 | +2.4% | 30,840 | +24.7% | 0.00% | – |
| Q4 2018 | $935,000 | -72.2% | 24,740 | -66.1% | 0.00% | -100.0% |
| Q3 2018 | $3,360,000 | +247.8% | 73,041 | +228.6% | 0.00% | +100.0% |
| Q2 2018 | $966,000 | +41.0% | 22,231 | -7.4% | 0.00% | – |
| Q1 2018 | $685,000 | +218.6% | 23,999 | +133.9% | 0.00% | – |
| Q4 2017 | $215,000 | +12.6% | 10,261 | +26.7% | 0.00% | – |
| Q3 2017 | $191,000 | +461.8% | 8,096 | +322.3% | 0.00% | – |
| Q2 2017 | $34,000 | +13.3% | 1,917 | +1.4% | 0.00% | – |
| Q1 2017 | $30,000 | -60.0% | 1,891 | -61.4% | 0.00% | – |
| Q4 2016 | $75,000 | +21.0% | 4,899 | -8.8% | 0.00% | – |
| Q3 2016 | $62,000 | – | 5,371 | +76628.6% | 0.00% | – |
| Q2 2016 | $0 | -100.0% | 7 | -91.9% | 0.00% | – |
| Q3 2015 | $1,000 | -98.9% | 86 | -98.9% | 0.00% | – |
| Q2 2015 | $92,000 | -70.1% | 7,599 | -62.9% | 0.00% | – |
| Q1 2015 | $308,000 | +36.9% | 20,494 | +9.1% | 0.00% | – |
| Q4 2014 | $225,000 | +1025.0% | 18,784 | +746.1% | 0.00% | – |
| Q3 2014 | $20,000 | -68.3% | 2,220 | -71.7% | 0.00% | – |
| Q2 2014 | $63,000 | -29.2% | 7,847 | -12.3% | 0.00% | – |
| Q1 2014 | $89,000 | -68.7% | 8,951 | -59.0% | 0.00% | – |
| Q4 2013 | $284,000 | -1.4% | 21,852 | -39.4% | 0.00% | – |
| Q3 2013 | $288,000 | -4.6% | 36,041 | -18.1% | 0.00% | – |
| Q2 2013 | $302,000 | – | 44,015 | – | 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% |