United States Securities and Exchange Commission Washington, DC 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-00179 Central Securities Corporation (Exact name of registrant as specified in charter) 630 Fifth Avenue, Suite 820 New York, N.Y. 10111 (Address of principal executive offices) Registrant's telephone number including area code: 212-698-2020 Date of fiscal year end: December 31 Date of reporting period: September 30, 2006 Item 1. Schedule of Investments. CENTRAL SECURITIES CORPORATION Statement of Investments September 30, 2006 (Unaudited) PORTFOLIO SECURITIES 91.1% STOCKS (COMMON UNLESS SPECIFIED OTHERWISE) Prin.Amt. or Shares Value --------- ----- Banking and Finance 9.3% 875,000 The Bank of New York Company, Inc..................................... $ 30,852,500 300,000 Capital One Financial Corporation..................................... 23,598,000 ------------ 54,450,500 ------------ Business Services 0.9% 1,005,000 Arbinet-thexchange, Inc. (a).......................................... 5,246,100 ------------ Chemicals 2.7% 100,000 The Dow Chemical Company.............................................. 3,898,000 609,000 PolyOne Corporation (a)............................................... 5,072,970 150,000 Rohm and Haas Company................................................. 7,102,500 ------------ 16,073,470 ------------ Communications 0.3% 400,000 Cincinnati Bell Inc.(a)............................................... 1,928,000 ------------ Electronics 15.8 % 942,400 Agilent Technologies, Inc. (a)........................................ 30,807,056 430,000 Analog Devices, Inc................................................... 12,637,700 120,000 Cirrus Logic, Inc. (a)................................................ 874,800 255,000 Cypress Semiconductor Corp............................................ 4,531,350 980,000 Intel Corporation..................................................... 20,158,600 200,000 Motorola, Inc......................................................... 5,000,000 1,800,000 Solectron Corporation (a)............................................. 5,868,000 2,500,000 Sonus Networks, Inc. (a).............................................. 13,125,000 ------------ 93,002,506 ------------ Energy 10.9% 100,000 Arch Coal, Inc........................................................ 2,891,000 234,328 Chevron Corporation................................................... 15,198,514 520,200 McMoRan Exploration Co. (a)........................................... 9,228,348 600,000 Murphy Oil Corporation................................................ 28,530,000 160,000 Nexen Inc............................................................. 8,553,600 ------------ 64,401,462 ------------ Health Care 2.6% 120,000 Abbott Laboratories................................................... 5,827,200 320,000 IMS Health Inc. (a)................................................... 8,524,800 134,900 Vical Inc. (a)........................................................ 681,245 ------------ 15,033,245 ------------ Prin. Amt. or Shares Value --------- ----- Information Technology Services 13.9% 400,200 Ceridian Corporation (a).............................................. $ 8,948,472 1,550,000 Convergys Corporation (a)............................................. 32,007,500 400,000 Hewitt Associates, Inc. Class A....................................... 9,704,000 1,000,000 Neoware Inc. (a)...................................................... 13,590,000 1,150,000 The TriZetto Group, Inc. (a).......................................... 17,411,000 ------------ 81,660,972 ------------ Insurance 20.5% 10,000 Erie Indemnity Co. Class A............................................ 523,700 70,000 The Plymouth Rock Company, Inc. Class A (b)(c)(d)................................................. 119,000,000 2,000 White Mountains Insurance Group....................................... 993,920 ------------ 120,517,620 ------------ Manufacturing 13.7% 920,000 Brady Corporation Class A............................................. 31,995,600 400,000 Dover Corporation..................................................... 18,976,000 410,000 Roper Industries, Inc................................................. . 18,343,400 400,000 Tyco International Ltd................................................ 11,196,000 ------------ 80,511,000 ------------ Retail Trade 0.1% 28,751 AeroGroup International, Inc. (a)(c)(d)............................... 862,530 ------------ Miscellaneous 0.4% Other Investments..................................................... 2,538,000 ------------ Total Portfolio Securities (cost $229,477,212)........................................ 536,225,405 ------------ SHORT-TERM INVESTMENTS 9.2% Commercial Paper 5.0% 16,349,000 Citigroup Funding 5.1153% - 5.1465% due 10/5/06 - 11/2/06.............. 16,290,322 9,596,000 General Electric Capital Corp. 5.1110% - 5.1255% due 10/12/06 - 10/26/06.............................................. 9,576,289 3,828,000 Prudential Funding 5.0027% - 5.2613% due 10/2/06 - 11/8/06............. 3,814,357 ------------ 29,680,968 U.S. Treasury Bills 4.1% 24,675,000 U.S. Treasury Bills 4.9518% - 4.9550% due 12/21/06 - 3/1/07............................................... 24,251,062 ------------ Total Short-Term Investments (cost $53,932,030)........................................... 53,932,030 ------------ Total Investments (cost $283,409,242) (100.3%)................. 590,157,435 Cash, receivables and other assets less liabilities (0.3%)...................................... (1,841,950) ------------ Net Assets (100%).............................................. $588,315,485 ============ (a) Non-dividend paying. (b) Affiliate as defined in the Investment Company Act of 1940. (c) Valued at estimated fair value. (d) Restricted security. See footnote 2. See accompanying notes to statement of investments. CENTRAL SECURITIES CORPORATION NOTES TO STATEMENT OF INVESTMENTS 1. Security Valuation - Securities are valued at the last sale price or, if unavailable, at the closing bid price. Corporate discount notes are valued at amortized cost, which approximates value. Securities for which no ready market exists are valued at estimated fair value by the Board of Directors. As of September 30, 2006, the tax cost of investments was $283,409,242. Net unrealized appreciation was $306,748,193 consisting of gross unrealized appreciation and gross unrealized depreciation of $308,608,652 and $1,860,459, respectively. 2. Restricted Securities - The Corporation has from time to time invested in securities the resale of which is restricted. On September 30, 2006, such investments had an aggregate value of $119,862,530, which was equal to 20.4% of the Corporation's net assets. Investments in restricted securities at September 30, 2006 were: Company Shares Security Date Purchased Cost ------- ------ -------- -------------- ---- AeroGroup International, Inc. 28,751 Common Stock 6/14/05 $17,200 The Plymouth Rock Company, Inc. 70,000 Class A Common Stock 12/15/82 1,500,000 6/9/84 699,986 The Corporation does not have the right to demand registration of the restricted securities. Item 2. Controls and Procedures. (a) Disclosure Controls and Procedures. The Principal Executive and Financial Officers have concluded that the Registrant's Disclosure Controls and Procedures are effective based on their evaluation of the Disclosure Controls and Procedures as of a date within 90 days of the filing date of this report. (b) Internal Control Over Financial Reporting. During the last fiscal quarter, there was no significant change in the Registrant's internal control over financial reporting that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. Item 3. Exhibits. (a) Certifications. Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. CENTRAL SECURITIES CORPORATION By: /s/ Wilmot H. Kidd ------------------ President Date: October 20, 2006 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By: /s/ Wilmot H. Kidd ------------------ President Date: October 20, 2006 By: /s/ Charles N. Edgerton ----------------------- Vice President and Treasurer Date: October 20, 2006