Institutional investors purchased a net $5.2 million shares of ACMP during the quarter ended March 2013. This may signal that the smart money is gaining interest in this company as the 54.31% of the shares outstanding that institutional investors hold is among the lowest in the Oil & Gas Production industry.
| Other institutional | 34.05% |
| Mutual fund holders | 20.27% |
| Individual stakeholders | 0.09% |