UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: September 30, 2007 Check here if Amendment [X ]; Amendment Number: 1 This Amendment (Check only one.): [ ] is a restatement. [X ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Legg Mason, Inc. Address: 100 Light Street Baltimore, MD 21202 13F File Number: 28-1700 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Peter L. Bain Title: Executive Vice Prsesident Phone: 410-454-3227 Signature, Place, and Date of Signing: Peter L. Bain Baltimore, MD November 20, 2007 Report Type (Check only one.): [ ] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ X] 13F COMBINATION REPORT. List of Other Managers Reporting for this Manager: Form 13F File Number Name 28-3428 Private Capital Management, L.P. 28-3780 Royce & Associates, LLC FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 Form13F Information Table Entry Total: 1 Form13F Information Table Value Total: $81,635 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional managers with respect to which this report is filed, other than the manager filing this report. No. 13F File Number Name 18 28-11611 ClearBridge Advisors, LLC FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ION GEOPHYSICAL CORP COM 462044108 81635 5902741 SH DEFINED 18 5754011 0 148730