GROUP ONE TRADING, L.P. - VICOR CORP ownership

VICOR CORP's ticker is VICR and the CUSIP is 925815102. A total of 180 filers reported holding VICOR CORP in Q3 2020. The put-call ratio across all filers is 0.15 and the average weighting 0.3%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of VICOR CORP
ValueSharesWeighting
Q4 2020$442,000
-65.6%
4,789
-71.0%
0.00%
-75.0%
Q3 2020$1,285,000
+167.7%
16,534
+147.7%
0.00%
+100.0%
Q2 2020$480,000
-80.5%
6,674
-87.9%
0.00%
-90.0%
Q1 2020$2,464,000
+10.1%
55,330
+15.5%
0.02%
+33.3%
Q4 2019$2,238,000
+21.8%
47,900
-23.0%
0.02%0.0%
Q3 2019$1,837,000
+770.6%
62,244
+815.9%
0.02%
+650.0%
Q2 2019$211,000
-63.6%
6,796
-63.7%
0.00%
-66.7%
Q1 2019$580,000
-34.2%
18,711
-19.7%
0.01%
-25.0%
Q4 2018$881,000
+7.7%
23,313
+31.1%
0.01%
+33.3%
Q3 2018$818,000
+184.0%
17,780
+76.5%
0.01%
+100.0%
Q1 2018$288,000
+829.0%
10,071
+571.4%
0.00%
Q4 2017$31,000
+34.8%
1,500
-0.1%
0.00%
Q4 2016$23,000
+360.0%
1,501
+274.3%
0.00%
Q3 2016$5,000
-90.4%
401
-92.2%
0.00%
-100.0%
Q3 2015$52,000
-60.9%
5,120
-53.1%
0.00%
-50.0%
Q2 2015$133,000
+56.5%
10,920
+94.3%
0.00%
+100.0%
Q1 2015$85,000
+174.2%
5,620
+122.0%
0.00%
Q4 2014$31,000
+520.0%
2,532
+375.9%
0.00%
Q3 2014$5,000
+25.0%
5320.0%0.00%
Q2 2014$4,000
-78.9%
532
-72.0%
0.00%
Q1 2014$19,000
+1800.0%
1,900
+1141.8%
0.00%
Q3 2013$1,0001530.00%
Other shareholders
VICOR CORP shareholders Q3 2020
NameSharesValueWeighting ↓
Trellus Management Company, LLC 129,945$6,099,6187.18%
BEACONLIGHT CAPITAL, LLC 207,753$9,751,9265.15%
S Squared Technology, LLC 157,304$7,383,8504.38%
NEEDHAM INVESTMENT MANAGEMENT LLC 408,500$19,174,9903.31%
First Washington CORP 106,999$5,022,5332.48%
ASHFORD CAPITAL MANAGEMENT INC 298,564$14,014,5942.10%
Herald Investment Management Ltd 140,000$6,567,4001.46%
Brown Capital Management 1,936,242$90,887,1991.36%
Numerai GP LLC 78,904$3,703,7541.24%
DARK FOREST CAPITAL MANAGEMENT LP 91,189$4,280,4121.02%
View complete list of VICOR CORP shareholders