DIMENSIONAL FUND ADVISORS LP - 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
DIMENSIONAL FUND ADVISORS LP ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q4 2014$28,203,000
+8.3%
7,103,822
-6.7%
0.02%
+5.6%
Q3 2014$26,043,000
-10.9%
7,614,643
-6.5%
0.02%
-10.0%
Q2 2014$29,225,000
+8.9%
8,140,790
+2.2%
0.02%0.0%
Q1 2014$26,832,000
+5.3%
7,962,236
-1.6%
0.02%0.0%
Q4 2013$25,478,000
-3.3%
8,088,256
+3.8%
0.02%
-13.0%
Q3 2013$26,339,000
+17.0%
7,792,562
+4.2%
0.02%
+9.5%
Q2 2013$22,509,0007,478,0590.02%
Other shareholders
SONUS NETWORKS INC shareholders Q1 2014
NameSharesValueWeighting ↓
Empire Capital Management, L.L.C. 26,475,000$89,221,00010.64%
Archon Capital Management LLC 4,648,400$15,665,0004.52%
CENTRAL SECURITIES CORP 3,000,000$10,110,0002.19%
Kendall Square Capital, LLC 309,800$1,044,0001.35%
BTG Pactual Global Asset Management Ltd 1,780,000$5,999,0001.33%
HARBER ASSET MANAGEMENT LLC 291,000$981,0001.21%
Hilltop Park Associates LLC 300,000$1,011,0001.16%
IRONWOOD INVESTMENT MANAGEMENT LLC 2,162,927$7,289,0001.06%
Grandeur Peak Global Advisors, LLC 975,100$3,286,0000.78%
G2 Investment Partners Management LLC 332,413$1,120,0000.42%
View complete list of SONUS NETWORKS INC shareholders