PRELUDE CAPITAL MANAGEMENT, 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
PRELUDE CAPITAL MANAGEMENT, LLC ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q2 2014$420,000
+95.3%
116,900
+83.5%
0.06%
+93.1%
Q1 2014$215,000
-28.6%
63,700
-33.2%
0.03%
-42.0%
Q4 2013$301,000
+181.3%
95,400
+200.0%
0.05%
+194.1%
Q3 2013$107,000
+87.7%
31,800
+66.5%
0.02%
+41.7%
Q2 2013$57,00019,1000.01%
Other shareholders
SONUS NETWORKS INC shareholders Q1 2014
NameSharesValueWeighting ↓
Empire Capital Management, L.L.C. 26,435,000$83,270,00011.35%
CENTRAL SECURITIES CORP 3,000,000$9,450,0002.04%
IRONWOOD INVESTMENT MANAGEMENT LLC 2,241,887$7,062,0000.98%
Robertson Opportunity Capital, LLC 326,600$1,029,0000.70%
Grandeur Peak Global Advisors, LLC 811,100$2,555,0000.68%
G2 Investment Partners Management LLC 573,468$1,806,0000.66%
QUENTEC ASSET MANAGEMENT LLC 552,100$1,739,0000.52%
Cowen Prime Services LLC 267,300$842,0000.32%
Leonard Capital Management, Inc. 146,141$460,0000.18%
COLUMBUS CIRCLE INVESTORS 8,262,134$26,026,0000.18%
View complete list of SONUS NETWORKS INC shareholders