SIMPLEX TRADING, LLC - VOCERA COMMUNICATIONS INC ownership

VOCERA COMMUNICATIONS INC's ticker is and the CUSIP is 92857F907. A total of 3 filers reported holding VOCERA COMMUNICATIONS INC in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of VOCERA COMMUNICATIONS INC
ValueSharesWeighting
Q4 2021$1,309,000
+35.8%
20,200
-16.5%
0.00%0.0%
Q3 2021$964,0000.0%24,2000.0%0.00%0.0%
Q2 2021$964,000
+35.6%
24,200
+12981.1%
0.00%0.0%
Q1 2021$711,000
+915.7%
185
+988.2%
0.00%
Q4 2020$70,000
-80.1%
17
-86.0%
0.00%
Q3 2020$351,000
+17450.0%
121
+12000.0%
0.00%
Q2 2020$2,000
-96.4%
1
-96.2%
0.00%
Q1 2020$55,000
+243.8%
26
+225.0%
0.00%
Q4 2019$16,000
-85.5%
8
-82.2%
0.00%
Q3 2019$110,000
-39.2%
45
-21.1%
0.00%
Q2 2019$181,000
-20.3%
57
-20.8%
0.00%
-100.0%
Q1 2019$227,000
+682.8%
72
+800.0%
0.00%
Q3 2018$29,0008
+300.0%
0.00%
Q4 2017$0
-100.0%
2
-60.0%
0.00%
Q1 2017$3,000
-92.7%
5
-97.4%
0.00%
-100.0%
Q4 2016$41,000
+78.3%
193
+138.3%
0.00%0.0%
Q3 2016$23,00081
+3950.0%
0.00%
Q2 2016$0
-100.0%
20.0%0.00%
Q4 2014$1,00020.00%
Other shareholders
VOCERA COMMUNICATIONS INC shareholders Q3 2021
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of VOCERA COMMUNICATIONS INC shareholders