SONUS NETWORKS INC's ticker is SONSXXXX and the CUSIP is 835916107. A total of 133 filers reported holding SONUS NETWORKS INC in Q4 2013. The put-call ratio across all filers is 2.21 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2014 | $255,000 | -71.9% | 64,400 | -75.7% | 0.00% | -100.0% |
| Q3 2014 | $906,000 | +132.3% | 264,920 | +144.0% | 0.00% | +100.0% |
| Q2 2014 | $390,000 | -74.9% | 108,561 | -78.3% | 0.00% | -66.7% |
| Q1 2014 | $1,553,000 | +563.7% | 500,400 | +542.4% | 0.00% | – |
| Q4 2013 | $234,000 | -86.1% | 77,900 | -84.4% | 0.00% | -100.0% |
| Q3 2013 | $1,685,000 | +38.2% | 498,768 | +23.2% | 0.00% | +50.0% |
| Q2 2013 | $1,219,000 | – | 404,895 | – | 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% |