ESSEX INVESTMENT MANAGEMENT CO LLC - VOCERA COMMUNICATIONS INC ownership

VOCERA COMMUNICATIONS INC's ticker is VCRA and the CUSIP is 92857F107. A total of 132 filers reported holding VOCERA COMMUNICATIONS INC in Q3 2017. The put-call ratio across all filers is 0.49 and the average weighting 0.2%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of VOCERA COMMUNICATIONS INC
ValueSharesWeighting
Q4 2017$3,040,000
-0.3%
100,594
+3.5%
0.40%
-3.1%
Q3 2017$3,049,000
-2.0%
97,190
-17.4%
0.41%
-7.0%
Q2 2017$3,110,000
+35.9%
117,724
+27.7%
0.44%
+24.0%
Q1 2017$2,289,000
+25.9%
92,185
-6.2%
0.36%
+20.1%
Q4 2016$1,818,000
+17.6%
98,326
+7.5%
0.30%
+20.1%
Q3 2016$1,546,000
-12.8%
91,455
-33.7%
0.25%
-15.6%
Q2 2016$1,772,000
+48.4%
137,921
+47.3%
0.30%
+43.9%
Q1 2016$1,194,000
+29.8%
93,623
+24.2%
0.20%
+42.4%
Q4 2015$920,000
+1.5%
75,393
-5.1%
0.14%
-3.4%
Q3 2015$906,000
+4.4%
79,444
+4.7%
0.15%
+13.7%
Q2 2015$868,00075,8430.13%
Other shareholders
VOCERA COMMUNICATIONS INC shareholders Q3 2017
NameSharesValueWeighting ↓
RRE Ventures GP III, LLC 135,272$1,786,0009.26%
First Light Asset Management, LLC 270,078$3,565,0002.40%
Tamarack Capital Management, LLC 700,000$9,191,0001.88%
Nichols Asset Management LLC 493,008$6,508,0001.32%
Brown Capital Management 4,257,056$56,193,0000.94%
CROSSLINK CAPITAL INC 525,084$6,931,0000.71%
BROADVIEW ADVISORS LLC 520,157$6,866,0000.67%
WHITE PINE CAPITAL LLC 223,450$2,950,0000.54%
Granite Investment Partners, LLC 278,739$3,679,0000.52%
Cortina Asset Management, LLC 900,472$11,886,0000.45%
View complete list of VOCERA COMMUNICATIONS INC shareholders