SC 13G
AIM MANAGEMENT GROUP INC FOR PATTERSON ENERGY INC
- Company
- PATTERSON UTI ENERGY INC
- Filed
- February 9, 2001
- Accession Number
- 0000950129-01-000679
A Schedule 13G is filed when a passive investor acquires more than 5% of a company's shares without intent to influence control. Learn more about SC 13G filings →