SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916107. A total of 4 filers reported holding SONUS NETWORKS INC in Q2 2012. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2013 | $2,000 | 0.0% | 735 | 0.0% | 0.00% | – |
| Q3 2013 | $2,000 | 0.0% | 735 | 0.0% | 0.00% | – |
| Q2 2013 | $2,000 | 0.0% | 735 | 0.0% | 0.00% | – |
| Q1 2013 | $2,000 | – | 735 | +45.5% | 0.00% | – |
| Q4 2012 | $0 | – | 505 | 0.0% | 0.00% | – |
| Q3 2012 | $0 | -100.0% | 505 | 0.0% | 0.00% | – |
| Q2 2012 | $1,000 | 0.0% | 505 | 0.0% | 0.00% | – |
| Q1 2012 | $1,000 | 0.0% | 505 | 0.0% | 0.00% | – |
| Q4 2011 | $1,000 | -50.0% | 505 | -49.5% | 0.00% | – |
| Q3 2009 | $2,000 | – | 1,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Empire Capital Management, L.L.C. | 26,435,000 | $83,270,000 | 11.35% |
| CENTRAL SECURITIES CORP | 3,000,000 | $9,450,000 | 2.04% |
| IRONWOOD INVESTMENT MANAGEMENT LLC | 2,241,887 | $7,062,000 | 0.98% |
| Robertson Opportunity Capital, LLC | 326,600 | $1,029,000 | 0.70% |
| Grandeur Peak Global Advisors, LLC | 811,100 | $2,555,000 | 0.68% |
| G2 Investment Partners Management LLC | 573,468 | $1,806,000 | 0.66% |
| QUENTEC ASSET MANAGEMENT LLC | 552,100 | $1,739,000 | 0.52% |
| Cowen Prime Services LLC | 267,300 | $842,000 | 0.32% |
| Leonard Capital Management, Inc. | 146,141 | $460,000 | 0.18% |
| COLUMBUS CIRCLE INVESTORS | 8,262,134 | $26,026,000 | 0.18% |