SC 13G 1 brooks13g.txt BROOKSAUTOMATION UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.F. 20549 SCHEDULE 13G UNDER SECURITIES EXCHANGE ACT OF 1934 BROOKS AUTOMATION, INC. Common Stock 114340102 Item 1. a. Brooks Automation, Inc. b. 15 Elizabeth Drive Chelmsford, MA 01824 Item 2. a. D.F. Dent & Company, Inc. b. 400 East Pratt Street, 7th Floor Baltimore, Maryland 21202 c. Incorporated in the State of Maryland d. Common stock e. 114340102 Item 3. Investment adviser registered under section 203 of the Investment Advisers Act of 1940 Item 4. a. 3,614,185 b. 5.00% c. 1. 3,614,185 2. 0 3. 3,614,185 4. 0 Item 5. N/A Item 6. N/A Item 7. N/A Item 8. N/A Item 9. N/A