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 | $103,000 | -2.8% | 25,841 | -16.4% | 0.00% | – |
| Q3 2014 | $106,000 | -25.4% | 30,919 | -21.5% | 0.00% | – |
| Q2 2014 | $142,000 | -12.9% | 39,375 | -18.5% | 0.00% | – |
| Q1 2014 | $163,000 | +154.7% | 48,333 | +137.9% | 0.00% | – |
| Q4 2013 | $64,000 | +39.1% | 20,313 | +49.1% | 0.00% | – |
| Q3 2013 | $46,000 | -14.8% | 13,625 | -24.4% | 0.00% | – |
| Q2 2013 | $54,000 | – | 18,026 | – | 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% |