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 811-4186 John Hancock Income Securities Trust (Exact name of registrant as specified in charter) 101 Huntington Avenue, Boston, Massachusetts 02199 (Address of principal executive offices) (Zip code) Brian E. Langenfeld, Attorney and Assistant Secretary 101 Huntington Avenue Boston, Massachusetts 02199 (Name and address of agent for service) Registrant's telephone number, including area code: 617-375-1722 Date of fiscal year end: December 31 Date of reporting period: March 31, 2005 ITEM 1. SCHEDULE OF INVESTMENTS JOHN HANCOCK Income Securities Trust 3.31.2005 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 Income Securities Trust Securities owned by the Fund on March 31, 2005 (unaudited) Interest Maturity Credit Par value Issuer, description rate (%) date rating (A) ($000) Value --------------------------------------------------------------------------------------------------------------------------------- Bonds 58.17% $152,934,205 (Cost $152,949,849) Aerospace & Defense 0.44% 1,148,160 Raytheon Co., Note 8.300 03-01-2010 BBB- 1,000 1,148,160 Agricultural Products 0.83% 2,174,033 Bunge Ltd Finance Corp., Gtd Note (L) 4.375 12-15-2008 BBB 1,250 1,232,014 Corn Products International, Inc., Sr Note 8.450 08-15-2009 BBB- 835 942,019 Airlines 1.20% 3,144,126 American Airlines, Inc., Pass Thru Ctf Ser 2001-2 (L) 7.858 10-01-2011 A- 1,000 1,021,580 Continental Airlines, Inc., Pass Thru Ctf Ser 1999-1A 6.545 02-02-2019 A- 1,552 1,513,982 Pass Thru Ctf Ser 2000-2 Class B (L) 8.307 10-02-2019 BBB- 515 443,004 Jet Equipment Trust, Equip Trust Ctf Ser 1995-B2 (B)(H)(S) 10.910 08-15-2014 D 550 2,750 Northwest Airlines Corp., Pass Thru Ctf Ser 1996-1D 8.970 01-02-2015 CCC+ 257 162,810 Apparel Retail 0.23% 599,331 Gap, Inc. (The), Note (L) 9.800 12-15-2008 BBB- 515 599,331 Asset Management & Custody Banks 0.57% 1,506,689 Rabobank Capital Fund II, Perpetual Bond (5.260% to 12-31-13 then variable) (S) 5.260 12-29-2049 AA 1,500 1,506,689 Auto Parts & Equipment 0.17% 445,984 American Axle & Manufacturing, Inc., Sr Note 5.250 02-11-2014 BBB 500 445,984 Brewers 0.36% 957,829 Fosters Financial Corp., Note (S) 4.875 10-01-2014 BBB+ 1,000 957,829 Broadcasting & Cable TV 1.47% 3,875,223 AT&T Broadband Corp., Gtd Note 8.375 03-15-2013 BBB 1,020 1,211,998 British Sky Broadcasting Group Plc, Gtd Sr Note (United Kingdom) 8.200 07-15-2009 BBB- 945 1,065,636 TCI Communications, Inc., Sr Deb 9.800 02-01-2012 BBB 860 1,077,959 XM Satellite Radio, Inc., Sr Sec Note, Step Coupon (Zero to 12-31-05 then 14.000%) (O) Zero 12-31-2009 CCC+ 509 519,630 Building Products 0.80% 2,098,454 Pulte Homes, Inc., Sr Note 6.250 02-15-2013 BBB- 1,000 1,031,033 Toll Brothers, Inc., Gtd Sr Note 6.875 11-15-2012 BBB- 1,000 1,067,421 Casinos & Gaming 1.09% 2,876,955 Chukchansi Economic Development Auth., Sr Note (G)(S) 14.500 06-15-2009 CCC+ 500 615,000 Harrah's Operating Co., Inc., Gtd Sr Note 8.000 02-01-2011 BBB- 765 868,098 Gtd Sr Note 5.500 07-01-2010 BBB- 755 768,057 Waterford Gaming, LLC, Sr Note (S) 8.625 09-15-2012 B+ 596 625,800 Commodity Chemicals 0.52% 1,361,051 RPM International, Inc., Sr Note 6.250 12-15-2013 BBB 1,300 1,361,051 Consumer Finance 3.05% 8,012,320 Capital One Financial Corp., Sr Note 6.250 11-15-2013 BBB- 1,000 1,057,123 CIT Group, Inc., Sr Note 5.000 02-13-2014 A 750 737,083 Ford Motor Credit Co., Note 7.375 10-28-2009 BBB- 1,625 1,632,101 General Motors Acceptance Corp., Note 7.250 03-02-2011 BBB- 2,550 2,367,540 Household Finance Corp., Note 6.375 10-15-2011 A 645 696,794 HSBC Finance Corp., Sr Note 6.750 05-15-2011 A 1,390 1,521,679 Department Stores 0.30% 788,500 Penney J.C. Co., Inc., Deb 7.650 08-15-2016 BB+ 830 788,500 Diversified Banks 1.77% 4,666,638 Bank of New York, Cap Security (S) 7.780 12-01-2026 A- 650 700,986 Barclays Bank Plc, Perpetual Bond (6.860% to 06-15-32 then variable) (United Kingdom) (S) 6.860 09-29-2049 A+ 1,600 1,791,302 Chuo Mitsui Trust & Banking Co., Perpetual Sub Note (5.506% to 04-15-15 then variable) (Japan) (S) 5.506 12-01-2049 Baa2 390 372,906 Royal Bank of Scotland Group Plc, Perpetual Bond (7.648% to 09-30-31 then variable) (United Kingdom) 7.648 08-29-2049 A 650 798,597 Wachovia Corp., Sub Note 5.250 08-01-2014 A- 1,000 1,002,847 Diversified Chemicals 1.26% 3,309,681 NOVA Chemicals Corp., Med Term Note (Canada) 7.400 04-01-2009 BB+ 2,045 2,162,588 Potash Corp. of Saskatchewan, Inc., Note (Canada) 7.750 05-31-2011 BBB+ 1,000 1,147,093 Diversified Commercial Services 0.75% 1,972,501 Hutchison Whampoa International Ltd., Gtd Note (United Kingdom) (S) 6.500 02-13-2013 A- 750 791,580 Noble Group Ltd., Sr Note (Bermuda) (S) 6.625 03-17-2015 BB+ 1,000 929,046 Sotheby's Holdings, Inc., Note 6.875 02-01-2009 BB- 250 251,875 Diversified Financial Services 0.98% 2,585,189 Beaver Valley Funding Corp., Sec Lease Obligation Bond 9.000 06-01-2017 BB+ 513 599,030 Glencore Funding LLC, Gtd Note (S) 6.000 04-15-2014 BBB 1,380 1,312,373 St. George Funding Co., Perpetual Bond (8.485% to 06-30-17 then variable) (Australia) (S) 8.485 12-31-2049 BBB+ 615 673,786 Electric Utilities 6.26% 16,449,354 AES Eastern Energy, L.P., Pass Thru Ctf Ser 1999-A 9.000 01-02-2017 BB+ 387 445,578 BVPS II Funding Corp., Collateralized Lease Bond 8.890 06-01-2017 BB+ 700 826,742 El Paso Electric Co., 1st Mtg Ser E 9.400 05-01-2011 BBB 1,000 1,087,831 Empresa Electrica Guacolda S.A., Sr Sec Note (Chile) (S) 8.625 04-30-2013 BBB- 850 934,487 Exelon Generation Co., LLC, Sr Note 5.350 01-15-2014 A- 1,000 1,003,666 FPL Energy National Wind, Sec Note (S) 5.608 03-10-2024 BBB- 400 395,404 HQI Transelect Chile S.A., Sr Note (Chile) 7.875 04-15-2011 A- 1,230 1,406,837 Indiantown Cogeneration, L.P., 1st Mtg Note Ser A-9 9.260 12-15-2010 BB+ 511 561,470 IPALCO Enterprises, Inc., Sr Sec Note 8.625 11-14-2011 BB- 325 372,938 Midland Funding Corp. II, Deb Ser B 13.250 07-23-2006 BB- 2,225 2,396,007 Monterrey Power S.A. de C.V., Sr Sec Bond (Mexico) (S) 9.625 11-15-2009 BBB- 514 581,184 PNPP II Funding Corp., Deb 9.120 05-30-2016 BB+ 491 575,855 PPL Capital Funding, Gtd Sr Note Ser A 4.330 03-01-2009 BBB- 500 486,457 System Energy Resources, Inc., Sec Bond (S) 5.129 01-15-2014 BBB 449 438,989 TransAlta Corp., Note (Canada) 5.750 12-15-2013 BBB- 2,000 2,034,556 TXU Corp., Note (S) 6.500 11-15-2024 BBB- 1,020 974,721 Sec Bond 7.460 01-01-2015 BBB 638 684,452 Waterford 3 Funding Corp., Sec Lease Obligation Bond 8.090 01-02-2017 BBB- 1,149 1,242,180 Electrical Components & Equipment 1.09% 2,861,164 AMETEK, Inc., Sr Note 7.200 07-15-2008 BBB 1,500 1,601,436 Jabil Circuit, Inc., Sr Note (L) 5.875 07-15-2010 BB+ 1,220 1,259,728 Food Retail 1.18% 3,090,097 Ahold Finance USA, Inc., Gtd Sr Note 6.875 05-01-2029 BB- 280 266,000 Ahold Lease USA, Inc., Gtd Pass Thru Ctf Ser 2001A-1 7.820 01-02-2020 BB 931 1,001,691 Delhaize America, Inc., Gtd Note 9.000 04-15-2031 BB+ 1,500 1,822,406 Foreign Government 0.61% 1,603,688 Colombia, Republic of, Note (Colombia) 10.000 01-23-2012 BB 750 810,000 Mexican States, United, Global Med Term Note Ser A (Mexico) 6.375 01-16-2013 BBB- 765 793,688 Gas Utilities 0.21% 550,637 NorAm Energy Corp., Deb 6.500 02-01-2008 BBB 525 550,637 Health Care Facilities 0.38% 1,012,127 HCA, Inc., Note 8.750 09-01-2010 BB+ 900 1,012,127 Health Care Services 0.57% 1,491,286 Wellpoint, Inc., Note (S) 5.000 12-15-2014 BBB+ 1,520 1,491,286 Highways & Railtracks 0.76% 1,997,090 CSX Corp., Sr Note 4.875 11-01-2009 BBB 2,000 1,997,090 Hotels, Resorts & Cruise Lines 1.08% 2,834,699 Hyatt Equities LLC, Note (S) 6.875 06-15-2007 BBB 1,060 1,094,774 Meditrust, Note 7.000 08-15-2007 BB- 1,710 1,739,925 Industrial Conglomerates 0.23% 598,926 Vedanta Resources Plc, Sr Note (United Kingdom) (S) 6.625 02-22-2010 BB 620 598,926 Industrial Machinery 1.10% 2,890,993 Kennametal, Inc., Sr Note 7.200 06-15-2012 BBB 1,405 1,552,559 Manitowoc Co., Inc., (The) Sr Note 7.125 11-01-2013 B+ 500 515,000 Trinity Industries Leasing Co., Pass Thru Ctf (S) 7.755 02-15-2009 Ba1 780 823,434 Insurance Brokers 0.59% 1,554,070 Marsh & McLennan Cos., Inc., Sr Note (L) 5.375 03-15-2007 BBB 1,530 1,554,070 Integrated Oil & Gas 1.23% 3,226,961 Amerada Hess Corp., Note 7.125 03-15-2033 BBB- 510 567,129 Pemex Project Funding Master Trust, Gtd Note (Mexico) 9.125 10-13-2010 BBB- 1,115 1,287,825 Petro-Canada, Deb (Canada) 9.250 10-15-2021 BBB 1,000 1,372,007 Integrated Telecommunication Services 4.29% 11,284,205 AT&T Corp., Med Term Note 8.350 05-15-2025 BB+ 500 517,500 Sr Note 9.050 11-15-2011 BB+ 980 1,113,525 Bellsouth Corp., Bond 5.200 09-15-2014 A 350 346,237 Deb 6.300 12-15-2015 A 1,155 1,217,279 Deutsche Telekom International Finance B.V., Bond (Coupon rate step up/down on rating) (Netherlands) 8.500 06-15-2010 BBB+ 1,005 1,155,830 Qwest Capital Funding, Inc., Gtd Note (L) 7.000 08-03-2009 B 1,000 937,500 SBC Communications, Inc., Note 5.100 09-15-2014 A 870 847,972 Sprint Capital Corp., Gtd Sr Bond 7.625 01-30-2011 BBB- 1,000 1,113,111 Note 6.875 11-15-2028 BBB- 820 877,885 Telecom Italia Capital, Gtd Note (Luxembourg) (S) 4.950 09-30-2014 BBB+ 1,500 1,436,859 Telefonos de Mexico, S.A. de C.V., Note (Mexico) 4.500 11-19-2008 BBB- 1,750 1,720,507 Investment Banking & Brokerage 0.86% 2,263,826 Merrill Lynch & Co., Med Term Note Ser C 5.000 01-15-2015 A+ 1,500 1,453,650 Mizuho Financial Group Cayman Ltd., Gtd Note (Cayman Islands) 8.375 12-29-2049 A2 750 810,176 IT Consulting & Other Services 0.16% 419,750 NCR Corp., Note 7.125 06-15-2009 BBB- 390 419,750 Metal & Glass Containers 0.20% 528,750 Owens-Brockway Glass Container, Inc., Gtd Sr Note 8.250 05-15-2013 B 500 528,750 Multi-Line Insurance 0.44% 1,150,824 Assurant, Inc., Sr Note 6.750 02-15-2034 BBB+ 510 553,232 Massachusetts Mutual Life Insurance Co., Surplus Note (S) 7.625 11-15-2023 AA 485 597,592 Multi-Media 0.77% 2,028,805 News America Holdings, Inc., Gtd Sr Deb 8.250 08-10-2018 BBB- 540 652,331 Time Warner, Inc., Deb 9.125 01-15-2013 BBB+ 1,114 1,376,474 Multi-Utilities & Unregulated Power 1.23% 3,243,935 CalEnergy Co., Inc., Sr Bond 8.480 09-15-2028 BBB- 550 719,102 Duke Capital LLC, Sr Note 8.000 10-01-2019 BBB- 470 557,592 Salton Sea Funding Corp., Sr Sec Note Ser C 7.840 05-30-2010 BB+ 1,841 1,967,241 Office Services & Supplies 1.19% 3,131,163 Office Depot, Inc., Sr Note 6.250 08-15-2013 BBB- 2,000 2,092,474 Steelcase, Inc., Sr Note 6.375 11-15-2006 BBB- 1,020 1,038,689 Oil & Gas Drilling 0.49% 1,291,037 Alberta Energy Co., Ltd., Note (Canada) 8.125 09-15-2030 A- 725 945,860 Delek & Avner-Yam Tethys, Sr Sec Note (Israel) (S) 5.326 08-01-2013 BBB- 350 345,177 Oil & Gas Exploration & Production 1.17% 3,084,267 Occidental Petroleum Corp., Sr Deb 10.125 09-15-2009 BBB+ 1,160 1,386,003 TEPPCO Partners, L.P., Gtd Sr Note 7.625 02-15-2012 BBB 1,500 1,698,264 Oil & Gas Refining & Marketing & Trucking 0.38% 986,930 Enterprise Products Operations, L.P., Gtd Sr Note Ser B 5.600 10-15-2014 BB+ 1,000 986,930 Paper Packaging 0.51% 1,337,450 Stone Container Corp., Sr Note 9.750 02-01-2011 B 285 304,950 Sr Note 8.375 07-01-2012 B 1,000 1,032,500 Paper Products 1.07% 2,816,250 Abitibi-Consolidated Co., Gtd Sr Note (Canada) 6.950 12-15-2006 BB 2,000 2,010,000 MDP Acquisitions Plc, Sr Note (Ireland) 9.625 10-01-2012 B 750 806,250 Pharmaceuticals 1.23% 3,238,082 Medco Health Solutions, Inc., Sr Note (L) 7.250 08-15-2013 BBB 1,550 1,713,303 Wyeth, Note 5.500 03-15-2013 A 1,500 1,524,779 Property & Casualty Insurance 0.53% 1,396,794 Markel Corp., Sr Note 7.350 08-15-2034 BBB- 345 376,619 Ohio Casualty Corp., Note 7.300 06-15-2014 BB 750 801,644 URC Holdings Corp., Sr Note (S) 7.875 06-30-2006 AA- 210 218,531 Real Estate Investment Trusts 0.70% 1,845,370 Healthcare Realty Trust, Inc., Sr Note 8.125 05-01-2011 BBB- 175 200,560 iStar Financial, Inc., Sr Note 7.000 03-15-2008 BBB- 820 868,841 ProLogis Trust, Sr Note 7.050 07-15-2006 BBB+ 510 527,844 Ventas Realty, L.P./Capital Corp., Sr Note 6.625 10-15-2014 BB 250 248,125 Real Estate Management & Development 0.54% 1,416,596 Post Apartment Homes, Sr Note 5.125 10-12-2011 BBB 870 864,978 Socgen Real Estate Co., LLC, Perpetual Bond Ser A (7.640% to 09-30-07 then variable) (S) 7.640 12-29-2049 A 515 551,618 Regional Banks 1.68% 4,410,112 Colonial Capital II, Gtd Cap Security Ser A 8.920 01-15-2027 BB 1,085 1,185,030 Crestar Capital Trust I, Gtd Cap Security 8.160 12-15-2026 A- 910 987,509 First Chicago NDB Institutional Capital, Gtd Capital Bond Ser A (S) 7.950 12-01-2026 A1 500 536,958 Greater Bay Bancorp, Sr Note Ser B 5.250 03-31-2008 BBB- 565 571,198 NB Capital Trust IV, Gtd Cap Security 8.250 04-15-2027 A- 1,020 1,129,417 Soft Drinks 0.41% 1,075,000 Panamerican Beverages, Inc., Sr Note (Panama) 7.250 07-01-2009 BBB 1,000 1,075,000 Specialized Finance 1.03% 2,696,851 Bosphorous Financial Services, Sr Sec Floating Rate Note (S) 4.830 02-15-2012 Baa3 500 499,802 ESI Tractebel Acquistion Corp., Gtd Sec Bond Ser B 7.990 12-30-2011 BB 885 938,761 Humpuss Funding Corp., Gtd Note (S) 7.720 12-15-2009 B2 214 208,068 MBNA Master Credit Card Trust, Sub Bond Ser 1998-E Class C (S) 6.600 09-15-2010 BBB 1,000 1,050,220 Telecommunication Services 0.61% 1,615,459 Telus Corp., Note (Canada) 8.000 06-01-2011 BBB 1,395 1,615,459 Telecommunications Equipment 0.85% 2,242,799 Corning, Inc., Med Term Note 8.300 04-04-2025 BB+ 1,150 1,201,544 France Telecom S.A., Note (France) 8.500 03-01-2011 BBB+ 910 1,041,255 Thrifts & Mortgage Finance 4.52% 11,874,572 Bear Stearns Alt-A Trust, Collateralized Mtg Obligation Ser 2005-3 Class B2 (M) 5.424 04-25-2035 AA+ 460 460,575 Bear Stearns Commericial Mortgage Securities, Inc., Commercial Sub Bond Ser 2004-ESA Class C (S) 4.937 05-14-2016 AA 1,000 1,000,236 Centex Home Equity Loan Trust, Home Equity Ln Asset Backed Ctf Ser 2004-A Class AF-4 4.510 08-25-2032 AAA 2,000 2,002,091 ContiMortgage Home Equity Loan Trust, Pass Thru Ctf Ser 1995-2 Class A-5 8.100 08-15-2025 AAA 208 218,159 Countrywide Alternative Loan Trust, Mtg Asset Backed Pass Thru Ctf Ser 2004-24CB Class 1A1 6.000 11-25-2034 AAA 1,263 1,283,497 Credit-Based Asset Servicing and Securitization LLC, Mtg Asset Backed Ctf Ser 2004-CB4 Class A3 4.632 05-25-2035 AAA 1,000 1,002,583 DLJ Mortgage Acceptance Corp., Commercial Mtg Pass Thru Ctf Ser 1996-CF1 Class B1 (S) 8.359 03-13-2028 A 1,535 1,587,272 Global Signal Trust, Sub Bond Ser 2004-1A Class D (S) 5.098 01-15-2034 BBB 2,000 1,962,427 Sub Bond Ser 2004-2A Class D (S) 5.093 12-15-2014 Baa2 405 393,736 Indymac Index Mortgage Loan Trust, Asset Backed Ctf Ser 2004-AR13 Class B1 5.296 01-25-2035 AA 484 483,557 Washington Mutual, Mtg Ln Pass Thru Ctf Ser 2005-AR4 Class B1 4.684 04-25-2035 AA 1,515 1,480,439 Utilities Other 0.72% 1,903,597 Kinder Morgan Energy Partners, Sr Note 5.000 12-15-2013 BBB+ 1,405 1,368,199 Magellan Midstream Partners, L.P., Note 6.450 06-01-2014 BBB 500 535,398 Wireless Telecommunication Services 1.51% 3,968,025 America Movil S.A. de C.V., Sr Note (Mexico) 5.750 01-15-2015 BBB 1,275 1,232,355 AT&T Wireless Services, Inc., Sr Note 8.125 05-01-2012 A 1,525 1,781,545 Mobile Telesystems Finance S.A., Gtd Sr Note (Luxembourg) (L)(S) 9.750 01-30-2008 BB- 400 426,000 Nextel Communications, Inc., Sr Note 7.375 08-01-2015 BB 500 528,125 Credit Issuer, description rating (A) Shares Value --------------------------------------------------------------------------------------------------------------------------------- Preferred stocks 5.16% $13,569,501 (Cost $13,730,491) Agricultural Products 0.39% 1,025,391 Ocean Spray Cranberries, Inc., 6.25%, Ser A (S) BB+ 12,500 1,025,391 Broadcasting & Cable TV 0.39% 1,015,600 Viacom, Inc., 7.25% A- 40,000 1,015,600 Diversified Banks 1.89% 4,962,060 Abbey National Plc, 7.375% (United Kingdom) A- 41,300 1,082,060 Bank One Capital Trust VI, 7.20% A- 55,000 1,424,500 Fleet Capital Trust VII, 7.20% A 55,000 1,413,500 USB Capital IV, 7.35% A- 40,000 1,042,000 Diversified Financial Services 0.39% 1,031,200 Citigroup Capital VII, 7.125% A 40,000 1,031,200 Electric Utilities 0.20% 536,400 Ameren Corp., 9.75%, Conv BBB+ 20,000 536,400 Gas Utilities 0.38% 1,011,800 KeySpan Corp., 8.75%, Conv A 20,000 1,011,800 Integrated Telecommunication Services 0.39% 1,023,200 Telephone & Data Systems, Inc., 7.60%, Ser A A- 40,000 1,023,200 Multi-Utilities & Unregulated Power 0.61% 1,604,800 DTE Energy Co., 8.75%, Conv BBB- 20,000 508,000 PSEG Funding Trust II, 8.75% BB+ 40,000 1,096,800 Real Estate Investment Trusts 0.52% 1,359,050 Apartment Investment & Management Co., 8.00%, Ser T B+ 55,000 1,359,050 Interest Maturity Credit Par value Issuer, description rate (%) date rating (A) ($000) Value --------------------------------------------------------------------------------------------------------------------------------- U.S. government and agencies securities 32.81% $86,252,084 (Cost $86,350,699) Government U.S. 6.32% 16,624,818 United States Treasury, Bond (L) 9.125 05-15-2018 AAA 495 707,212 Bond (L) 8.875 08-15-2017 AAA 1,215 1,689,278 Bond (L) 5.375 02-15-2031 AAA 1,575 1,716,566 Note (L) 6.250 02-15-2007 AAA 3,100 3,240,225 Note (L) 4.000 02-15-2015 AAA 9,650 9,271,537 Government U.S. Agency 26.49% 69,627,266 Federal Home Loan Bank, Bond (N) 4.500 04-11-2008 AAA 3,000 2,993,568 Bond (N) 4.430 04-07-2008 AAA 2,550 2,550,061 Federal Home Loan Mortgage Corp., 15 Yr Pass Thru Ctf 4.500 05-01-2019 AAA 1,891 1,853,804 15 Yr Pass Thru Ctf 4.500 08-01-2019 AAA 938 919,658 15 Yr Pass Thru Ctf 4.500 11-01-2019 AAA 1,166 1,143,100 20 Yr Pass Thru Ctf 11.250 01-01-2016 AAA 39 42,557 30 Yr Pass Thru Ctf 6.000 08-01-2034 AAA 16,506 16,901,936 30 Yr Pass Thru Ctf 5.500 04-01-2033 AAA 2,242 2,252,668 Federal National Mortgage Assn., 15 Yr Pass Thru Ctf 7.500 02-01-2008 AAA 1 1,544 15 Yr Pass Thru Ctf 7.000 09-01-2010 AAA 48 50,962 15 Yr Pass Thru Ctf 7.000 09-01-2012 AAA 7 7,736 15 Yr Pass Thru Ctf 7.000 04-01-2017 AAA 67 71,267 15 Yr Pass Thru Ctf 5.000 08-01-2019 AAA 1,009 1,009,340 15 Yr Pass Thru Ctf 5.000 10-01-2019 AAA 3,788 3,788,677 15 Yr Pass Thru Ctf 4.500 10-01-2019 AAA 1,232 1,206,083 30 Yr Pass Thru Ctf 6.500 07-01-2034 AAA 1,864 1,936,151 30 Yr Pass Thru Ctf 6.500 11-01-2034 AAA 920 956,110 30 Yr Pass Thru Ctf 6.000 12-01-2033 AAA 5,946 6,079,388 30 Yr Pass Thru Ctf 6.000 01-01-2034 AAA 12,839 13,128,079 30 Yr Pass Thru Ctf 5.500 04-01-2033 AAA 1,120 1,127,696 30 Yr Pass Thru Ctf 5.500 05-01-2034 AAA 1,195 1,198,335 Bond (L) 3.875 02-01-2008 AAA 3,474 3,429,557 CMO REMIC 2003-17-QT 5.000 08-25-2027 AAA 1,675 1,673,063 Note 4.500 04-01-2008 AAA 2,465 2,462,096 Financing Corp., Bond 9.400 02-08-2018 AAA 2,000 2,815,698 Government National Mortgage Assn., 30 Yr Pass Thru Ctf 10.000 11-15-2020 AAA 6 7,843 30 Yr Pass Thru Ctf 9.500 11-15-2019 AAA 0 500 30 Yr Pass Thru Ctf 9.500 01-15-2021 AAA 4 5,107 30 Yr Pass Thru Ctf 9.500 02-15-2025 AAA 13 14,682 Interest Credit Par value Issuer, description, maturity date rate (%) rating (A) ($000) Value --------------------------------------------------------------------------------------------------------------------------------- Short-term investments 3.86% $10,160,000 (Cost $10,160,000) Government U.S. Agency 3.84% 10,100,000 Federal Home Loan Bank, Discount Note 04-01-05 Zero AAA 10,100 10,100,000 Joint Repurchase Agreement 0.02% 60,000 Investment in a joint repurchase agreement transaction with Morgan Stanley - Dated 3-31-05 due 4-1-05 (secured by U.S. Treasury Inflation Indexed Bond 3.875% due 4-15-29) 2.660 60 60,000 Total investments 100.00% $262,915,790 John Hancock Income Securities Trust Financial futures contracts March 31, 2005 (unaudited) Number of Appreciation Open contracts contracts Position Expiration (depreciation) ---------------------------------------------------------------------------------------------------------- U.S. 10-Year Treasury Note 755 Short June 05 $1,391,467 John Hancock Income Securities Trust Footnotes to Schedule of Investments March 31, 2005 (unaudited) (A) Credit ratings are unaudited and are rated by Moody's Investors Service where Standard & Poor's ratings are not available unless indicated otherwise. (B) This security is fair valued in good faith under procedures established by the Board of Trustees. (G) Security rated internally by John Hancock Advisers, LLC. (H) Non-income-producing issuer filed for protection under the Federal Bankruptcy Code or is in default of interest payment. (L) All or a portion of this security is on loan as of March 31, 2005. (M) A portion of this security having an aggregate value of $460,575, or 0.18% of the Fund's total investments, has been purchased as a forward commitment--that is, the Fund has agreed on trade date to take delivery of and to make payment for this security on a delayed basis subsequent to the date of this schedule. The purchase price and interest rate of this security is fixed at trade date, although the Fund does not earn any interest on these until settlement date. The fund has segregated assets with a current value at least equal to the amount of the forward commitments. Accordingly, the market value of $480,536 of Federal National Mortgage Assn., 6.000%, 01-01-34 has been segregated to cover the forward commitment. (N) These securities having an aggregate value of $5,543,629 or 2.11% of the Fund's total investments, have been purchased on a when-issued basis. The purchase price and the interest rate of such securities are fixed at trade date, although the Fund does not earn any interest on such securities until settlement date. The Fund has instructed its custodian bank to segregate assets with a current value at least equal to the amount of its when-issued commitments. Accordingly, the market value of $5,684,639 of Federal National Mortgage Assn., 6.000%, 01-01-34 has been segregated to cover the when-issued commitments. (O) Cash interest will be paid on this obligation at the stated rate beginning on the stated date. (S) These securities are 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 $29,453,139 or 11.20% of the Fund's total investments as of March 31, 2005. 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 March 31, 2005, including short-term investments, was $263,191,039. Gross unrealized appreciation and depreciation of investments aggregated $4,589,862 and $4,865,111, respectively, resulting in net unrealized depreciation of $275,249. For more information Trustees Charles L. Ladner, Chairman* James F. Carlin Richard P. Chapman, Jr.* 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.) *Members of the Audit Committee Officers James A. Shepherdson President and Chief Executive Officer 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 Registrar Mellon Investor Services 85 Challenger Road Overpeck Centre Ridgefield Park, New Jersey 07660 Transfer Agent for APS 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: JHS 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 John Hancock Income Securities Trust. P60Q1 3/05 5/05 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 Income Securities Trust By: ------------------------------ James A. Shepherdson President and Chief Executive Officer Date: May 25, 2005 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: May 25, 2005 By: ------------------------------ William H. King Vice President and Treasurer Date: May 25, 2005