ArrowMark Colorado Holdings LLC - SONUS NETWORKS INC ownership

SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916107. A total of 149 filers reported holding SONUS NETWORKS INC in Q1 2014. The put-call ratio across all filers is 1.73 and the average weighting 0.2%.

Quarter-by-quarter ownership
ArrowMark Colorado Holdings LLC ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q3 2014$5,296,000
-32.1%
1,548,587
-28.7%
0.14%
-34.7%
Q2 2014$7,794,000
+30.6%
2,171,000
+22.6%
0.22%
+14.4%
Q1 2014$5,968,000
+20.6%
1,771,000
+12.7%
0.19%
+26.0%
Q4 2013$4,949,000
+7.1%
1,571,000
+14.6%
0.15%
+1.3%
Q3 2013$4,620,0001,371,0000.15%
Other shareholders
SONUS NETWORKS INC shareholders Q1 2014
NameSharesValueWeighting ↓
Empire Capital Management, L.L.C. 38,595,000$116,171,00014.01%
CENTRAL SECURITIES CORP 3,000,000$9,030,0002.37%
Robertson Opportunity Capital, LLC 541,200$1,629,0001.25%
IRONWOOD INVESTMENT MANAGEMENT LLC 2,175,254$6,548,0001.16%
Montibus Capital Management LLC 2,091,878$6,296,552,0000.80%
Grandeur Peak Global Advisors, LLC 485,900$1,463,0000.56%
Contour Asset Management LLC 2,480,000$7,465,0000.52%
Roc Capital Management, L.P. 46,668$140,0000.44%
ARTIS CAPITAL MANAGEMENT, L.P. 160,672$484,0000.41%
Cowen Prime Services LLC 262,300$790,0000.33%
View complete list of SONUS NETWORKS INC shareholders