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

VOCERA COMMUNICATIONS INC's ticker is VCRA and the CUSIP is 92857F107. A total of 156 filers reported holding VOCERA COMMUNICATIONS INC in Q4 2018. The put-call ratio across all filers is 0.30 and the average weighting 0.2%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of VOCERA COMMUNICATIONS INC
ValueSharesWeighting
Q4 2021$279,000
+3885.7%
4,306
+2591.2%
0.00%
Q3 2021$7,000
-58.8%
160
-80.4%
0.00%
Q4 2019$17,000
-56.4%
815
-48.6%
0.00%
Q3 2019$39,000
+25.8%
1,587
+61.4%
0.00%
Q2 2019$31,000
-67.4%
983
-67.3%
0.00%
-100.0%
Q1 2019$95,000
-24.0%
3,005
-5.2%
0.00%0.0%
Q4 2018$125,000
-43.9%
3,171
-81.7%
0.00%
-66.7%
Q2 2016$223,000
+2377.8%
17,361
+1506.0%
0.00%
Q3 2014$9,000
-97.5%
1,081
-96.1%
0.00%
-100.0%
Q2 2014$367,000
-60.0%
27,833
-50.5%
0.01%
-60.0%
Q1 2014$918,000
-19.5%
56,186
-23.0%
0.02%
-11.8%
Q4 2013$1,140,000
+387.2%
73,014
+481.0%
0.02%
+325.0%
Q3 2013$234,000
+3800.0%
12,568
+2935.7%
0.00%
Q2 2013$6,0004140.00%
Other shareholders
VOCERA COMMUNICATIONS INC shareholders Q4 2018
NameSharesValueWeighting ↓
RRE Ventures GP III, LLC 135,272$1,091,0003.09%
MARXE AUSTIN W & GREENHOUSE DAVID M 2,388,325$19,274,0002.63%
Nichols Asset Management LLC 504,313$4,070,0000.84%
Lyon Street Capital, LLC 106,904$863,0000.40%
WHITE PINE CAPITAL LLC 127,600$1,030,0000.35%
Granite Investment Partners, LLC 310,236$2,504,0000.34%
Brown Capital Management 2,348,752$18,954,0000.34%
CWM, LLC 275,390$2,222,0000.32%
Cortina Asset Management, LLC 925,616$7,470,0000.32%
TIVERTON ASSET MANAGEMENT LLC 850,000$6,864,0000.16%
View complete list of VOCERA COMMUNICATIONS INC shareholders