Engine Capital Management, LP - SONUS NETWORKS INC ownership

SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916503. A total of 95 filers reported holding SONUS NETWORKS INC in Q3 2017. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Engine Capital Management, LP ownership history of SONUS NETWORKS INC
ValueSharesWeighting
Q3 2017$2,006,000
+2.8%
262,1940.0%1.54%
-22.8%
Q2 2017$1,951,000
+2856.1%
262,194
+2521.9%
1.99%
+3108.1%
Q1 2017$66,00010,0000.06%
Other shareholders
SONUS NETWORKS INC shareholders Q3 2017
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