RADISYS CORP's ticker is RSYS and the CUSIP is 750459109. A total of 67 filers reported holding RADISYS CORP in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Nierenberg Investment Management Company, Inc. | 4,286,231 | $11,444,000 | 14.02% |
| Potomac Capital Management, Inc. | 695,007 | $1,856,000 | 2.02% |
| DIKER MANAGEMENT LLC | 1,989,598 | $5,312,000 | 1.03% |
| Nokomis Capital, L.L.C. | 1,377,362 | $3,678,000 | 0.97% |
| DSC Advisors, L.P. | 230,000 | $614,000 | 0.31% |
| CENTRAL SECURITIES CORP | 484,900 | $1,295,000 | 0.28% |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 871,500 | $2,327,000 | 0.19% |
| GRUBER & MCBAINE CAPITAL MANAGEMENT LLC | 248,200 | $663,000 | 0.19% |
| Herald Investment Management Ltd | 105,500 | $258,000 | 0.10% |
| KENNEDY CAPITAL MANAGEMENT LLC | 1,262,865 | $3,372,000 | 0.07% |