Spot Trading L.L.C - SONUS NETWORKS INC ownership

SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916503. A total of 123 filers reported holding SONUS NETWORKS INC in Q4 2015. The put-call ratio across all filers is 0.70 and the average weighting 0.1%.

Quarter-by-quarter ownership
Spot Trading L.L.C ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q4 2016$319,000
+2.6%
50,604
+26.8%
0.01%
+33.3%
Q3 2016$311,000
-7.7%
39,902
+2.9%
0.01%0.0%
Q2 2016$337,000
+63.6%
38,773
+41.5%
0.01%
+50.0%
Q1 2016$206,000
+80.7%
27,400
+37.0%
0.00%
+300.0%
Q3 2015$114,000
-21.4%
20,000
-4.8%
0.00%0.0%
Q2 2015$145,000
-19.9%
21,004
-8.4%
0.00%
-50.0%
Q1 2015$181,00022,9360.00%
Other shareholders
SONUS NETWORKS INC shareholders Q4 2015
NameSharesValueWeighting ↓
Horrell Capital Management, Inc. 415,200$3,608,0002.34%
CENTRAL SECURITIES CORP 467,612$4,064,0000.94%
IRONWOOD INVESTMENT MANAGEMENT LLC 137,916$1,198,0000.90%
Cowen Prime Services LLC 147,231$1,279,0000.62%
G2 Investment Partners Management LLC 149,830$1,302,0000.60%
Spark Investment Management LLC 418,100$3,633,0000.34%
ALGERT GLOBAL LLC 79,364$690,0000.28%
Alambic Investment Management, L.P. 124,300$1,080,0000.27%
Acrospire Investment Management LLC 31,473$274,0000.20%
BOGLE INVESTMENT MANAGEMENT L P /DE/ 318,716$2,769,0000.19%
View complete list of SONUS NETWORKS INC shareholders