GROUP ONE TRADING, L.P. - VOCERA COMMUNICATIONS INC ownership

VOCERA COMMUNICATIONS INC's ticker is and the CUSIP is 92857F957. A total of 2 filers reported holding VOCERA COMMUNICATIONS INC in Q2 2020. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of VOCERA COMMUNICATIONS INC
ValueSharesWeighting
Q4 2021$162,000
+3950.0%
2,500
+2400.0%
0.00%
Q2 2021$4,0000.0%1000.0%0.00%
Q1 2021$4,000
-92.6%
100
-92.3%
0.00%
Q4 2020$54,000
+157.1%
1,300
+30.0%
0.00%
Q1 2020$21,0000.0%1,0000.0%0.00%
Q4 2019$21,000
-46.2%
1,000
-37.5%
0.00%
Q3 2019$39,000
-66.1%
1,600
-55.6%
0.00%
-100.0%
Q2 2019$115,000
-73.6%
3,600
-73.9%
0.00%
-80.0%
Q1 2019$436,000
+3533.3%
13,800
+2660.0%
0.01%
Q1 2018$12,000
-81.0%
500
-75.0%
0.00%
-100.0%
Q3 2017$63,000
-40.6%
2,000
-50.0%
0.00%0.0%
Q2 2017$106,000
-89.3%
4,000
-93.2%
0.00%
-90.9%
Q3 2016$990,000
+2.7%
58,600
-21.9%
0.01%0.0%
Q2 2016$964,000
+7933.3%
75,000
+7400.0%
0.01%
Q4 2015$12,000
-58.6%
1,000
-60.0%
0.00%
Q2 2015$29,000
+16.0%
2,500
-19.4%
0.00%
Q3 2014$25,000
-94.4%
3,100
-90.8%
0.00%
-100.0%
Q2 2014$446,000
-13.6%
33,800
+7.0%
0.01%
-22.2%
Q1 2014$516,000
-54.0%
31,600
-56.0%
0.01%
-47.1%
Q4 2013$1,121,000
+198.1%
71,800
+255.4%
0.02%
+142.9%
Q3 2013$376,000
+1242.9%
20,200
+963.2%
0.01%
+600.0%
Q2 2013$28,0001,9000.00%
Other shareholders
VOCERA COMMUNICATIONS INC shareholders Q2 2020
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 61$129,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of VOCERA COMMUNICATIONS INC shareholders