Institutional investors hold a majority ownership of IDCC through the 69.52% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Telecommunications Equipment industry. Last, during the quarter ended March 2013, these large investors purchased a net $281.3 thousand shares.
| Other institutional | 43.24% |
| Individual stakeholders | 3.38% |
| Mutual fund holders | 26.28% |