MARSHALL WACE, LLP - SONUS NETWORKS INC ownership

SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916503. A total of 109 filers reported holding SONUS NETWORKS INC in Q3 2015. The put-call ratio across all filers is 1.01 and the average weighting 0.1%.

Quarter-by-quarter ownership
MARSHALL WACE, LLP ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q4 2015$256,000
-86.3%
35,912
-86.7%
0.00%
-91.7%
Q2 2015$1,866,000
-54.0%
269,653
-73.6%
0.02%
-55.6%
Q4 2014$4,053,0001,020,8260.05%
Other shareholders
SONUS NETWORKS INC shareholders Q3 2015
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