13F-HR/A 1 0001.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE THIS FILING LISTS SECURTIIES HOLDINGS REPORTED ON FORM 13F FILED ON FEBRUARY 14, 2000 PURSUNAT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND FOR WHICH CONFIDENTIAL TREATMENT EXPIRES ON FEBRUARY 20, 2001. Report for the Calendar Year or Quarter Ended: December 31, 1999 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [X] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: M.H. Davidson & Co., L.L.C. Address: 885 Third Avenue Suite 3300 New York, NY 10022 13F File Number: 28-4666 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: Thomas L. Kempner Jr. Title: Member Phone: 212-371-3966 Signature, Place, and Date of Signing: Thomas L. Kempner Jr. New York February 14, 2000 Report Type (Check only one.): [X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. List of Other Managers Reporting for this Manager: I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 24 Form 13F Information Table Value Total: 502,527,077 List of Other Included Managers: 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 ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- ------- AMFM INC CS 001693100 39782 508400 SH SOLE 508400 CLARIFY CS 180492100 32099 253500 SH SOLE 253500 COMCAST CLASS A REG CS 200300101 2422 50600 SH SOLE 50600 COMSAT CORP CS 20564D107 8130 409075 SH SOLE 409075 CUBE MICROSYSTEMS CS 125015107 10088 161400 SH SOLE 161400 D 1/14 - 56 PUT PT 3250 194000 SH Put SOLE 194000 DII GROUP CS 232949107 15088 212700 SH SOLE 212700 DOW CHEMICAL CS 260543103 381 2854 SH SOLE 2854 GTE Corp CS 362320103 42486 602100 SH SOLE 602100 HANNAFORD BROS. CS 410550107 23220 335000 SH SOLE 335000 JONES INTERCABLE CLASS A CS 480206200 30633 447600 SH SOLE 447600 MEDIAONE CS 58440J104 56027 729401 SH SOLE 729401 MEDPARTNERS (VS CAREMARK RX) CS 58503X206 2316 291800 SH SOLE 291800 MID-AMERICAN ENERGY CS 59562V107 16867 500700 SH SOLE 500700 MOLEX CL A CS 608554200 2264 50600 SH SOLE 50600 OLSTEN CORP CS 681385100 11894 1051400 SH SOLE 1051400 OMNIPOINT CS 68212D102 63660 528850 SH SOLE 528850 PIMCO ADVISORS CS 69338P102 21949 582400 SH SOLE 582400 RAYTHEON CLASS A CS 755111309 3774 152100 SH SOLE 152100 US West CS 91273H101 82915 1151600 SH SOLE 1151600 Union Carbide Corp CS 905581104 19558 293000 SH SOLE 293000 WARNER LAMBERT CS 934488107 8292 101200 SH SOLE 101200 XRC Corporation CS 983803107 0 232228 SH SOLE 232228 YESMAIL.COM CS 98583Q101 5430 160600 SH SOLE 160600