UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number 811-21131 John Hancock Preferred Income Fund (Exact name of registrant as specified in charter) 101 Huntington Avenue, Boston, Massachusetts 02199 (Address of principal executive offices) (Zip code) Susan S. Newton, Secretary 101 Huntington Avenue Boston, Massachusetts 02199 (Name and address of agent for service) Registrant's telephone number, including area code: 617-375-1702 Date of fiscal year end: July 31 Date of reporting period: October 31, 2004 ITEM 1. SCHEDULE OF INVESTMENTS JOHN HANCOCK Preferred Income Fund 10.31.2004 Quarterly Portfolio Holdings [A 2" x 1" John Hancock (Signature)/John Hancock Funds logo in lower, center middle of page. A tag line below reads "JOHN HANCOCK FUNDS."] John Hancock Preferred Income Fund Securities owned by the Fund on October 31, 2004 (unaudited) Interest Maturity Credit Par value Issuer, description rate (%) date rating (A) ($000) Value --------------------------------------------------------------------------------------------------------------------------------- Bonds 1.74% $16,102,281 (Cost $15,579,679) Consumer Finance 0.22% 2,066,760 Capital One Bank, Sr Note 8.250 06-15-2005 BBB 2,000 2,066,760 Electric Utilities 1.52% 14,035,521 Black Hills Corp., Note 6.500 05-15-2013 BBB- 5,000 5,190,120 Entergy Gulf States, Inc., 1st Mtg Bond 6.200 07-01-2033 BBB 5,000 5,040,000 Midland Funding Corp. II, Lease Oblig Bond, Ser A 11.750 07-23-2005 BB- 3,613 3,805,401 Credit Par value Issuer, description, maturity date rating (A) ($000) Value --------------------------------------------------------------------------------------------------------------------------------- Capital preferred securities 7.48% $69,284,145 (Cost $62,689,351) Diversified Banks 0.84% 7,800,750 Lloyds TSB Bank Plc, 6.90%, 11-29-49 (United Kingdom) Aa2 7,500 7,800,750 Electric Utilities 2.77% 25,620,000 DPL Capital Trust II, 8.125%, 09-01-31 B 24,000 25,620,000 Gas Utilities 2.36% 21,834,319 KN Capital Trust I, 8.56%, Ser B, 04-15-27 BB+ 11,500 12,956,015 KN Capital Trust III, 7.63%, 04-15-28 BB+ 8,000 8,878,304 Integrated Telecommunication Services 0.72% 6,665,415 TCI Communications Financing Trust III, 9.65%, 03-31-27 BBB- 5,700 6,665,415 Regional Banks 0.79% 7,363,661 Summit Capital Trust I, 8.40%, Ser B, 03-15-27 A- 6,500 7,363,661 Issuer Shares Value --------------------------------------------------------------------------------------------------------------------------------- Common stocks 3.21% $29,710,016 (Cost $28,486,815) Electric Utilities 1.99% 18,456,342 Alliant Energy Corp. 236,100 6,228,318 Progress Energy, Inc. 20,000 826,000 Scottish Power Plc, American Depositary Receipt (United Kingdom) 175,343 5,677,606 TECO Energy, Inc. 408,887 5,724,418 Gas Utilities 1.11% 10,267,200 Peoples Energy Corp. 240,000 10,267,200 Multi-Utilities & Unregulated Power 0.11% 986,474 Duke Energy Corp. 40,215 986,474 Credit Issuer, description rating (A) Shares Value --------------------------------------------------------------------------------------------------------------------------------- Preferred stocks 82.84% $767,455,406 (Cost $732,185,595) Agricultural Products 1.18% 10,903,750 Ocean Spray Cranberries, Inc., 6.25%, Ser A (S) BB+ 143,000 10,903,750 Asset Management & Custody Banks 0.11% 994,000 BNY Capital V, 5.95%, Ser F A- 40,000 994,000 Automobile Manufacturers 2.66% 24,672,052 Ford Motor Co., 7.50% BBB- 50,000 1,288,000 General Motors Corp., 7.25%, Ser 4-15-41 BBB- 378,700 9,603,832 General Motors Corp., 7.25%, Ser 7-15-41 BBB- 89,000 2,241,910 General Motors Corp., 7.25%, Ser 2-15-52 BBB- 254,300 6,375,301 General Motors Corp., 7.375%, Ser 05-15-48 Baa2 70,000 1,761,900 General Motors Corp., 7.375%, Ser 10-01-51 Baa2 134,325 3,401,109 Broadcasting & Cable TV 2.69% 24,948,567 Shaw Communications, Inc., 8.45%, Ser A (Canada) B+ 328,418 8,328,680 Shaw Communications, Inc., 8.50% (Canada) B+ 655,100 16,619,887 Consumer Finance 3.18% 29,439,299 Ford Motor Credit Co., 7.60% A3 315,600 8,278,188 Household Finance Corp., 6.00% A 214,200 5,355,000 Household Finance Corp., 6.875% A 399,800 10,630,682 SLM Corp., 6.00% A 207,100 5,175,429 Diversified Banks 7.72% 71,490,330 BAC Capital Trust IV, 5.875% A- 181,150 4,441,798 Bank One Capital Trust V, 8.00% A- 20,500 546,325 Bank One Capital Trust VI, 7.20% A- 55,500 1,466,310 Chase Capital VII, 7.00%, Ser G A1 81,000 2,059,020 Comerica Capital Trust I, 7.60% BBB+ 171,400 4,542,100 Fleet Capital Trust VII, 7.20% A- 322,500 8,572,050 Fleet Capital Trust VIII, 7.20% A- 464,750 12,483,185 Royal Bank of Scotland Group Plc, 5.75%, Ser L (United Kingdom) A 550,900 13,177,528 USB Capital III, 7.75% A- 327,100 8,651,795 USB Capital IV, 7.35% A- 165,700 4,386,079 USB Capital V, 7.25% A- 103,599 2,770,237 Wachovia Preferred Funding Corp., 7.25%, Ser A BBB+ 69,000 1,914,060 Wells Fargo Capital Trust IV, 7.00% A 91,100 2,414,150 Wells Fargo Capital Trust VI, 6.95% A- 53,400 1,421,508 Wells Fargo Capital Trust VII, 5.85% A 107,750 2,644,185 Electric Utilities 24.58% 227,749,764 Ameren Corp., 9.75%, Conv BBB+ 480,000 13,872,000 American Electric Power Co., Inc., 9.25%, Conv BBB 200,000 9,516,000 Boston Edison Co., 4.78% BBB+ 15,143 1,347,727 Cinergy Corp., 9.50%, Conv Baa2 230,000 14,172,600 Detroit Edison Co., 7.375% BBB- 210,435 5,363,988 Detroit Edison Co., 7.54% BBB- 74,600 1,900,062 DTE Energy Co., 8.75%, Conv BBB 220,000 5,715,600 DTE Energy Trust I, 7.80% BBB- 111,700 3,018,134 Entergy Gulf States Capital I, 8.75%, Ser A BB 70,400 1,791,680 Entergy Mississippi, Inc., 7.25% A- 346,000 9,307,400 Enterprise Capital Trust I, 7.44%, Ser A BB+ 392,200 9,887,362 Enterprise Capital Trust III, 7.25%, Ser C BB+ 210,600 5,305,014 FPC Capital I, 7.10%, Ser A BB+ 603,791 15,287,988 FPL Group Capital Trust I, 5.875% BBB+ 468,300 11,534,229 FPL Group, Inc., 8.00%, Conv A- 120,000 6,810,000 Georgia Power Capital Trust VII, 5.875% BBB+ 233,400 5,746,308 Georgia Power Co., 6.00%, Ser R A 386,897 9,765,280 Great Plains Energy, Inc., 8.00%, Conv Baa2 540,000 13,365,000 HECO Capital Trust III, 6.50% (W) BBB- 235,300 6,214,273 Indiana Michigan Power Co., 6.875% BB+ 36,547 3,689,420 Interstate Power & Light Co., 8.375%, Ser B BBB- 700,000 22,400,000 Monongahela Power Co., $7.73, Ser L B- 45,000 4,353,750 Northern States Power Co., 8.00% BBB- 235,000 6,450,750 Pennsylvania Power Co., 7.75% BB 91,700 9,276,033 Puget Sound Energy Capital Trust II, 8.40% BB 103,900 2,761,662 Southern Co. Capital Trust VI, 7.125% BBB+ 49,800 1,333,644 TECO Capital Trust I, 8.50% B 469,800 12,186,612 TXU Corp., 8.125%, Conv Ba1 79,800 4,409,748 Virginia Power Capital Trust, 7.375% BBB 410,000 10,967,500 Gas Utilities 5.47% 50,657,026 El Paso Tennessee Pipeline Co., 8.25%, Ser A CCC- 231,500 10,931,152 KeySpan Corp., 8.75%, Conv A 335,000 17,956,000 SEMCO Capital Trust I, 10.25% B- 404,600 10,398,220 Southern Union Co., 5.75%, Conv Baa3 12,000 804,000 Southwest Gas Capital II, 7.70% BB 362,100 9,726,006 TransCanada Pipelines Ltd., 8.25% (Canada) BBB 32,800 841,648 Hotels, Resorts & Cruise Lines 0.24% 2,193,009 Hilton Hotels Corp., 8.00% BBB- 83,100 2,193,009 Industrial Conglomerates 0.63% 5,857,164 Grand Metropolitan Delaware, L.P., 9.42%, Gtd Ser A BBB+ 231,600 5,857,164 Integrated Oil & Gas 0.30% 2,791,272 Coastal Finance I, 8.375% CCC- 116,400 2,791,272 Integrated Telecommunication Services 2.04% 18,875,546 Telephone & Data Systems, Inc., 7.60%, Ser A A- 546,687 14,476,272 Verizon New England, Inc., 7.00%, Ser B Aa3 166,450 4,399,274 Investment Banking & Brokerage 4.95% 45,819,206 Bear Stearns Capital Trust III, 7.80% BBB 40,600 1,077,930 Bear Stearns Cos., Inc. (The), 5.72%, Depositary Shares, Ser F BBB 20,000 1,050,000 Lehman Brothers Holdings, Inc., 5.94%, Depositary Shares, Ser C BBB+ 175,600 8,955,600 Merril Lynch & Co., Inc., 9.00%, Depositary Shares, Ser A A- 204,500 5,237,245 Merrill Lynch Preferred Capital Trust III, 7.00% A- 151,300 4,021,554 Merrill Lynch Preferred Capital Trust IV, 7.12% A- 127,652 3,437,668 Merrill Lynch Preferred Capital Trust V, 7.28% A- 200,412 5,461,227 Morgan Stanley Capital Trust II, 7.25% A- 240,200 6,324,466 Morgan Stanley Capital Trust III, 6.25% A- 60,400 1,533,556 Morgan Stanley Capital Trust IV, 6.25% A- 47,000 1,184,870 Morgan Stanley Capital Trust V, 5.75% A1 317,000 7,535,090 Life & Health Insurance 1.25% 11,567,956 Great-West Life & Annuity Insurance Capital I, 7.25%, Ser A A- 27,200 688,976 PLC Capital Trust IV, 7.25% BBB+ 186,600 5,056,860 PLC Capital Trust V, 6.125% BBB+ 236,000 5,822,120 Multi-Line Insurance 1.74% 16,135,308 ING Groep N.V., 7.05% (Netherlands) A- 609,800 16,135,308 Multi-Media 0.37% 3,452,574 Newscorp Overseas Ltd., 8.625%, Ser A (Cayman Islands) BB 136,844 3,452,574 Multi-Utilities & Unregulated Power 8.40% 77,821,514 Aquila, Inc., 7.875% B2 511,700 11,978,897 Baltimore Gas & Electric Co., 6.99%, Ser 1995 Baa1 40,000 4,225,000 BGE Capital Trust II, 6.20% BBB- 608,125 15,385,563 Consumers Energy Co. Financing I, 8.36% B 42,800 1,092,684 Consumers Energy Co. Financing II, 8.20% B 136,200 3,497,616 Consumers Energy Co. Financing III, 9.25% B 115,200 2,918,016 Consumers Energy Co. Financing IV, 9.00% Ba2 117,600 3,123,456 Dominion CNG Capital Trust I, 7.80% BBB- 253,476 6,739,927 Dominion Resources, Inc., 9.50%, Conv BBB+ 9,000 483,120 Energy East Capital Trust I, 8.25% BBB- 447,200 11,895,520 ONEOK, Inc., 8.50%, Conv BBB+ 31,000 1,044,080 PSEG Funding Trust II, 8.75% BB+ 208,000 5,782,400 Public Service Electric & Gas Co., 4.18%, Ser B BB+ 7,900 592,500 Public Service Enterprise Group, Inc., 10.25%, Conv BBB- 155,450 9,062,735 Oil & Gas Exploration & Production 2.45% 22,726,600 Nexen, Inc., 7.35% (Canada) BB+ 874,100 22,726,600 Other Diversified Financial Services 6.76% 62,624,994 ABN AMRO Capital Funding Trust V, 5.90% A 481,800 11,621,016 ABN AMRO Capital Funding Trust VII, 6.08% A 188,000 4,653,000 Citigroup Capital VII, 7.125% A 98,700 2,630,355 Citigroup Capital VIII, 6.95% A 214,600 5,648,272 Citigroup Capital IX, 6.00% A 217,000 5,455,380 Citigroup Capital X, 6.10% A 100,000 2,512,000 General Electric Capital Corp., 5.875% AAA 151,500 3,870,825 General Electric Capital Corp., 6.10% AAA 51,210 1,327,363 J.P. Morgan Chase Capital IX, 7.50%, Ser I A- 61,000 1,618,330 J.P. Morgan Chase Capital X, 7.00%, Ser J A1 607,100 16,179,215 J.P. Morgan Chase Capital XI, 5.875%, Ser K A- 289,700 7,109,238 Real Estate Investment Trusts 4.21% 39,048,043 Duke Realty Corp., 6.50%, Depositary Shares, Ser K BBB 100,000 2,500,000 Duke Realty Corp., 6.625%, Depositary Shares, Ser J BBB 59,925 1,513,706 Duke Realty Corp., 7.99%, Depositary Shares, Ser B BBB 251,830 13,433,569 Public Storage, Inc., 6.45%, Depositary Shares, Ser X BBB+ 25,000 620,250 Public Storage, Inc., 6.50%, Depositary Shares, Ser W BBB+ 100,000 2,531,000 Public Storage, Inc., 7.50%, Depositary Shares, Ser V BBB+ 497,643 13,321,903 Public Storage, Inc., 8.00%, Depositary Shares, Ser R BBB+ 157,965 4,203,449 Public Storage, Inc., 8.60%, Depositary Shares, Ser Q BBB+ 34,600 924,166 Regional Banks 0.37% 3,403,093 National Commerce Capital Trust II, 7.70% A- 80,300 2,157,661 Regions Financing Trust I, 8.00% BBB+ 46,856 1,245,432 Thrifts & Mortgage Finance 1.23% 11,401,759 Abbey National Plc, 7.25% (United Kingdom) A- 73,580 1,916,759 Abbey National Plc, 7.375% (United Kingdom) A- 350,000 9,485,000 Wireless Telecommunication Services 0.31% 2,882,580 United States Cellular, 7.50% A- 107,760 2,882,580 Interest Maturity Credit Par value Issuer, description rate (%) date rating (A) ($000) Value --------------------------------------------------------------------------------------------------------------------------------- Short-term investments 4.73% $43,800,000 (Cost $43,800,000) Government U.S. Agency 4.73% 43,800,000 Federal Home Loan Bank, Disc Note 1.69 11-01-2004 Aaa 43,800 43,800,000 Total investments 100.00% $926,351,848 John Hancock Preferred Income Fund Footnotes to Schedule of Investments October 31, 2004 (unaudited) (A) Credit ratings are unaudited and are rated by Moody's Investors Service where Standard & Poor's ratings are not available. (S) This security is exempt from registration under rule 144A of the Securities Act of 1933. Such securities may be resold, normally to qualified institutional buyers, in transactions exempt from registration. Rule 144A securities amounted to $10,903,750 or 1.67% of the Fund's total investments as of October 31, 2004. (W) Issuer is an affiliate of John Hancock Advisers, LLC. Parenthetical disclosure of a foreign country in the security description represents country of a foreign issuer; however, security is U.S. dollar-denominated. The percentage shown for each investment category is the total value of that category as a percentage of the total investments of the Fund. The cost of investments owned on October 31, 2004, including short-term investments, was $882,741,440. Gross unrealized appreciation and depreciation of investments aggregated $51,684,249 and $8,073,841, respectively, resulting in net unrealized appreciation of $43,610,408. John Hancock Preferred Income Fund Transactions in securities of affiliated issuers October 31, 2004 (unaudited) Affiliated issuers, as defined by the Investment Company Act of 1940, are those in which the Fund's holdings of an issuer represent 5% or more of the outstanding voting securities of the issuer. A summary of the Fund's transactions in the securities of these issuers during the period ended October 31, 2004, is set forth below. Beginning Ending share share Realized Dividend Ending Affiliate amount amount gain (loss) income Value -------------------------------------------------------------------------------------------------------------- HECO Capital Trust III, 6.50% bought: 88,000, sold: none 147,300 235,300 -- 59,841 6,214,273 Totals $-- $59,841 $6,214,273 For more information Trustees Charles L. Ladner, Chairman* James F. Carlin William H. Cunningham Ronald R. Dion Dr. John A. Moore* Patti McGill Peterson* Steven R. Pruchansky James A. Shepherdson Lt. Gen. Norman H. Smith, USMC (Ret.) John P. Toolan* *Members of the Audit Committee Officers James A. Shepherdson President and Chief Executive Officer Susan S. Newton Senior Vice President and Secretary William H. King Vice President and Treasurer Investment Adviser John Hancock Advisers, LLC 101 Huntington Avenue Boston, Massachusetts 02199-7603 Custodian The Bank of New York One Wall Street New York, New York 10286 Transfer Agent and Dividend Disburser Mellon Investor Services 85 Challenger Road Overpeck Centre Ridgefield Park, New Jersey 07660 Transfer Agent for DARTS Deutsche Bank Trust Company Americas 280 Park Avenue New York, New York 10017 Legal Counsel Wilmer Cutler Pickering Hale and Dorr LLP 60 State Street Boston, Massachusetts 02109-1803 Stock Symbol Listed New York Stock Exchange: HPI How to contact us Internet www.jhfunds.com Mail Regular mail: Mellon Investor Services 85 Challenger Road Overpeck Centre Ridgefield Park, NJ 07660 Phone Customer service representatives 1-800-852-0218 Portfolio commentary 1-800-344-7054 24-hour automated information 1-800-843-0090 TDD line 1-800-231-5469 This report is for the information of the shareholders of the John Hancock Preferred Income Fund. P80Q1 10/04 12/04 ITEM 2. CONTROLS AND PROCEDURES. (a) Based upon their evaluation of the registrant's disclosure controls and procedures as conducted within 90 days of the filing date of this Form N-Q, the registrant's principal executive officer and principal accounting officer have concluded that those disclosure controls and procedures provide reasonable assurance that the material information required to be disclosed by the registrant on this report is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms. (b) There were no changes in the registrant's internal control over financial reporting that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. ITEM 3. EXHIBITS. Separate certifications for the registrant's principal executive officer and principal accounting officer, as required by Rule 30a-2(a) under the Investment Company Act of 1940, are attached. SIGNATURES 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. John Hancock Preferred Income Fund By: ------------------------------ James A. Shepherdson President and Chief Executive Officer Date: December 21, 2004 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: ------------------------------ James A. Shepherdson President and Chief Executive Officer Date: December 21, 2004 By: ------------------------------ William H. King Vice President and Treasurer Date: December 21, 2004