Institutional investors purchased a net $20.2 million shares of BSX during the quarter ended March 2013. This may signal that the smart money is gaining interest in this company as the 87.78% of shares outstanding that institutional investors hold is actually below the Medical Specialties industry average.
| Mutual fund holders | 49.67% |
| Other institutional | 38.10% |
| Individual stakeholders | 1.26% |