SIMPLEX TRADING, LLC - SONUS NETWORKS INC ownership

SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916503. A total of 127 filers reported holding SONUS NETWORKS INC in Q3 2016. The put-call ratio across all filers is 0.96 and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q3 2017$63,000
+687.5%
8,317
+660.9%
0.00%
Q2 2017$8,0001,093
+1283.5%
0.00%
Q4 2016$0
-100.0%
79
-95.1%
0.00%
-100.0%
Q2 2016$14,000
+1300.0%
1,615
+578.6%
0.00%
Q1 2016$1,000
-50.0%
238
-47.6%
0.00%
Q3 2015$2,000
-88.2%
454
-82.1%
0.00%
-100.0%
Q2 2015$17,000
-76.7%
2,542
-72.8%
0.00%
-87.5%
Q1 2015$73,0009,3520.01%
Other shareholders
SONUS NETWORKS INC shareholders Q3 2016
NameSharesValueWeighting ↓
Hawk Ridge Capital Management 1,292,401$8,517,0003.83%
Horrell Capital Management, Inc. 600,000$3,954,0002.46%
CENTRAL SECURITIES CORP 750,000$4,943,0000.92%
IRONWOOD INVESTMENT MANAGEMENT LLC 105,288$694,0000.52%
Cowen Prime Services LLC 141,931$935,0000.48%
ALGERT GLOBAL LLC 243,347$1,604,0000.43%
Piermont Capital Management Inc. 138,982$916,0000.22%
Alambic Investment Management, L.P. 130,800$862,0000.11%
Spark Investment Management LLC 229,000$1,509,0000.10%
MENTA CAPITAL LLC 133,426$879,0000.09%
View complete list of SONUS NETWORKS INC shareholders