PEAK6 Group LLC - SONUS NETWORKS INC ownership

SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916107. A total of 130 filers reported holding SONUS NETWORKS INC in Q2 2013. The put-call ratio across all filers is 0.02 and the average weighting 0.2%.

Quarter-by-quarter ownership
PEAK6 Group LLC ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q4 2014$340,000
+66.7%
85,595
+43.6%
0.00%0.0%
Q3 2014$204,000
-64.9%
59,591
-63.2%
0.00%
-60.0%
Q2 2014$581,000
-39.7%
162,123
-43.3%
0.01%
-37.5%
Q1 2014$963,000
-2.0%
285,784
-8.5%
0.01%
+33.3%
Q4 2013$983,000
-38.9%
312,273
-34.7%
0.01%
+100.0%
Q3 2013$1,610,000
+110.2%
478,384
+88.1%
0.00%0.0%
Q2 2013$766,000254,3760.00%
Other shareholders
SONUS NETWORKS INC shareholders Q2 2013
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