UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: June 30, 2006 Check here if amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Central Securities Corporation Address: 630 Fifth Avenue New York, New York 10111 13F File Number: 28-6578 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: Marlene A. Krumholz Title: Secretary Phone: 212-698-2020 Signature, Place, and Date of Signing: /s/ Marlene A. Krumholz New York, New York August 8, 2006 Report Type (Check only one.): [X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. List of Other Managers Reporting for this Manager: None I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 38 Form 13F Information Table Value Total: 437,612 List of Other Included Managers: None FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ==================================================================================================================================== ABBOTT LABORATORIES COMMON 002824 10 0 5233 120000 SH SOLE 120000 0 0 AGILENT TECHNOLOGIES, INC. COMMON 00846U 10 1 25248 800000 SH SOLE 800000 0 0 ANALOG DEVICES, INC. COMMON 032654 10 5 13820 430000 SH SOLE 430000 0 0 ARBINET-THEXCHANGE, INC. COMMON 03875P 10 0 5049 900000 SH SOLE 900000 0 0 BANK OF NEW YORK CO., INC. COMMON 064057 10 2 28175 875000 SH SOLE 875000 0 0 BRADY CORPORATION CLASS A 104674 10 6 33524 910000 SH SOLE 910000 0 0 CAPITAL ONE FINANCIAL CORP. COMMON 14040H 10 5 25635 300000 SH SOLE 300000 0 0 CERIDIAN CORPORATION COMMON 156779 10 0 9781 400200 SH SOLE 400200 0 0 CHEVRON CORPORATION COMMON 166764 10 0 14542 234328 SH SOLE 234328 0 0 CINCINNATI BELL INC. COMMON 171871 10 6 2050 500000 SH SOLE 500000 0 0 CIRRUS LOGIC INC. COMMON 172755 10 0 814 100000 SH SOLE 100000 0 0 CONVERGYS CORPORATION COMMON 212485 10 6 30225 1550000 SH SOLE 1550000 0 0 CYPRESS SEMICONDUCTOR CORPORATION COMMON 232806 10 9 3708 255000 SH SOLE 255000 0 0 DOVER CORPORATION COMMON 260003 10 8 19772 400000 SH SOLE 400000 0 0 THE DOW CHEMICAL COMPANY COMMON 260543 10 3 3903 100000 SH SOLE 100000 0 0 ERIE INDEMNITY COMPANY CLASS A 29530P 10 2 520 10000 SH SOLE 10000 0 0 HEWITT ASSOCIATES INC. CLASS A 42822Q 10 0 2248 100000 SH SOLE 100000 0 0 IMS HEALTH, INC. COMMON 449934 10 8 8592 320000 SH SOLE 320000 0 0 INTEL CORPORATION COMMON 458140 10 0 18620 980000 SH SOLE 980000 0 0 KERR-MCGEE CORPORATION COMMON 492386 10 7 27740 400000 SH SOLE 400000 0 0 MACMORAN EXPLORATION CORPORATION COMMON 582411 10 4 9156 520200 SH SOLE 520200 0 0 MOTOROLA, INC. COMMON 620076 10 9 4030 200000 SH SOLE 200000 0 0 MURPHY OIL CORPORATION COMMON 626717 10 2 33516 600000 SH SOLE 600000 0 0 NEOWARE, INC. COMMON 64065P 10 2 4301 350000 SH SOLE 350000 0 0 NEXEN INC. COMMON 65334H 10 2 9046 160000 SH SOLE 160000 0 0 POLYONE CORPORATION COMMON 73179P 10 6 5444 620000 SH SOLE 620000 0 0 ROHM AND HAAS COMPANY COMMON 775371 10 7 7518 150000 SH SOLE 150000 0 0 ROPER INDUSTRIES, INC. COMMON 776696 10 6 19167 410000 SH SOLE 410000 0 0 SCHERING-PLOUGH CORP. COMMON 806605 10 1 8564 450000 SH SOLE 450000 0 0 SOLECTRON CORPORATION COMMON 834182 10 7 6840 2000000 SH SOLE 2000000 0 0 SONUS NETWORKS, INC. COMMON 835916 10 7 9900 2000000 SH SOLE 2000000 0 0 TRANSMONTAIGNE INC. COMMON 893934 10 9 12331 1100000 SH SOLE 1100000 0 0 THE TRIZETTO GROUP, INC. COMMON 896882 10 7 15166 1025400 SH SOLE 1025400 0 0 TRONOX INC. CLASS B 897051 20 7 531 40328 SH SOLE 40328 0 0 TYCO INTERNATIONAL LTD COMMON 902124 10 6 5500 200000 SH SOLE 200000 0 0 UNISYS CORPORATION COMMON 909214 10 8 5652 900000 SH SOLE 900000 0 0 VICAL INCORPORATED COMMON 925602 10 4 777 140000 SH SOLE 140000 0 0 WHITE MOUNTAINS INSURANCE GROUP LTD COMMON G9618E 10 7 974 2000 SH SOLE 2000 0 0