Institutional investors purchased a net $166.0 thousand shares of ACGL during the quarter ended March 2013 and now own 95.65% of the total shares outstanding. This majority interest is a greater percentage than is typical for companies in the Property/Casualty Insurance industry and highlights that the smart money sees this stock as an important holding.
| Other institutional | 49.00% |
| Mutual fund holders | 46.65% |
| Individual stakeholders | 30.58% |