2_NQcoverpage-InvestorsTrust.htm

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- 4173

John Hancock Investors Trust
(Exact name of registrant as specified in charter)

601 Congress Street, Boston, Massachusetts 02210
(Address of principal executive offices) (Zip code)

Alfred P. Ouellette, Attorney and Assistant Secretary

601 Congress Street

Boston, Massachusetts 02210
(Name and address of agent for service)

Registrant's telephone number, including area code: 617-663-4324

Date of fiscal year end:  December 31 
  
   
Date of reporting period:  March 31, 2006 

 

ITEM 1. SCHEDULE OF INVESTMENTS




John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

  Interest  Maturity  Credit  Par value   
Issuer, description  rate (%)  date  rating (A)  ($000)  Value 

 
Bonds 68.39%          $167,013,616 
(Cost $169,182,458)           
 
Aerospace & Defense 0.08%          197,000 

L-3 Communications Corp.,           
Gtd Sr Sub Note Ser B  6.375  10-15-15  BB+  200  197,000 
 
Agricultural Products 0.55%          1,341,978 

Corn Products International, Inc.,           
Sr Note  8.450  08-15-09  BBB-  795  859,478 
Cosan SA Industria e Comercio,           
Gtd Sr Perpetual Bond (Brazil) (S)  8.250  02-15-49  BB  500  482,500 
 
Airlines 0.47%          1,145,461 

Continental Airlines, Inc.,           
Pass Thru Ctf Ser 1999-1 Class A  6.545  02-02-19  A-  393  398,613 
Pass Thru Ctf Ser 2000-2 Class B (L)  8.307  10-02-19  BB-  408  393,240 
Pass Thru Ctf Ser 2001-1 Class C  7.033  06-15-11  B+  370  353,553 
Jet Equipment Trust,           
Equip Trust Ctf Ser 1995-B2 (B)(H)(S)  10.910  08-15-14  D  550  55 
 
Aluminum 0.39%          960,000 

Novelis, Inc.,           
Sr Note (Multi-Coupon) (Canada) (P)(S)  7.750  02-15-15  B  1,000  960,000 
 
Asset Management & Custody Banks 0.42%          1,014,048 

Rabobank Capital Fund II,           
Perpetual Bond (5.260% to 12-31-13 then           
variable) (S)  5.260  12-29-49  AA  1,055  1,014,048 
 
Broadcasting & Cable TV 3.46%          8,452,240 

British Sky Broadcasting Group Plc,           
Gtd Sr Note (United Kingdom)  8.200  07-15-09  BBB-  905  972,884 
Charter Communications Holdings LLC/Charter           
Communications Holdings Capital Corp.,           
Sr Note  10.250  09-15-10  CCC-  2,000  1,965,000 
Comcast Cable Communications Holdings, Inc.,           
Gtd Note  8.375  03-15-13  BBB+  980  1,102,156 
Innova S. de R.L.,           
Note (Mexico)  9.375  09-19-13  BB-  1,500  1,680,000 
Shaw Communications, Inc.,           
Sr Note (Canada)  8.250  04-11-10  BB+  1,000  1,062,500 
Videotron Ltee,           
Gtd Sr Note (Canada)  6.375  12-15-15  B+  300  293,625 
XM Satellite Radio, Inc.,           
Sr Sec Disc Note  14.000  12-31-09  CCC+  728  781,114 
Sr Sec Note  12.000  06-15-10  CCC+  533  594,961 

Page 1


John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

Building Products 0.83%            2,021,942 

Pulte Homes, Inc.,               
Sr Note (L)      6.250  02-15-13  BBB-  1,000  998,713 
Toll Brothers, Inc.,               
Gtd Sr Note (S)      6.875  11-15-12  BBB-  1,000  1,023,229 
 
Casinos & Gaming 3.71%            9,048,977 

Chukchansi Economic Development Auth,             
Sr Note (S)      8.000  11-15-13  BB-  440  451,000 
Isle of Capri Casinos, Inc.,             
Gtd Sr Sub Note      7.000  03-01-14  B  500  493,750 
Jacobs Entertainment, Inc.,             
Sr Sec Note (B)      11.875  02-01-09  B  700  745,682 
Little Traverse Bay Bands of Odawa Indians,             
Sr Note (S)      10.250  02-15-14  B  1,000  986,250 
Majestic Star Casino LLC/Majestic Star Casino             
Capital II LLC,               
Sr Sec Note (S)      9.750  01-15-11  B-  1,000  1,010,000 
Mashantucket West Pequot,             
Bond (S)      5.912  09-01-21  BBB-  275  263,500 
Mohegan Tribal Gaming Auth,             
Sr Sub Note      7.125  08-15-14  B+  1,000  1,007,500 
MTR Gaming Group, Inc.,             
Gtd Sr Note Ser B      9.750  04-01-10  B+  800  851,000 
Seneca Gaming Corp.,             
Sr Note      7.250  05-01-12  BB-  1,000  1,010,000 
Trump Entertainment Resorts, Inc.,             
Gtd Sec Note      8.500  06-01-15  B-  1,000  972,500 
Waterford Gaming, LLC,             
Sr Note (S)      8.625  09-15-12  B+  1,188  1,257,795 
 
Commercial Printing 0.52%            1,267,872 

Quebecor World Capital Corp.,             
Sr Note (Canada) (S)    8.750  03-15-16  BB-  1,300  1,267,872 
 
Commodity Chemicals 0.87%            2,112,846 

Lyondell Chemical Co.,             
Gtd Sec Note      9.500  12-15-08  BB-  591  614,640 
Gtd Sr Sub Note      10.875  05-01-09  B  500  507,500 
RPM International, Inc.,             
Sr Note      6.250  12-15-13  BBB  1,000  990,706 
 
Computer Hardware 0.04%            102,000 

Activant Solutions, Inc.,             
Sr Floating Rate Note (P)(S)    10.530  04-01-10  B+  100  102,000 
 
Construction & Farm Machinery & Heavy Trucks 0.21%          510,000 

Manitowoc Co., Inc., (The),             
Gtd Sr Note      7.125  11-01-13  BB-  500  510,000 

Page 2


John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

Construction Materials 0.16%          396,825 

Votorantim Overseas IV,           
Gtd Note (Cayman Islands) (S)  7.750  06-24-20  BBB-  370  396,825 
 
Consumer Finance 1.02%          2,496,550 

Ford Motor Credit Co.,           
Note  7.375  10-28-09  BBB-  1,925  1,809,756 
HSBC Finance Capital Trust IX,           
Note (5.911% to 11-30-15 then variable)  5.911  11-30-35  BBB+  700  686,794 
 
Diversified Banks 1.61%          3,923,510 

Bank of New York,           
Cap Security (S)  7.780  12-01-26  A-  620  652,061 
Barclays Bank Plc,           
Perpetual Bond (6.86% to 6-15-32 then           
variable) (United Kingdom) (S)  6.860  09-29-49  A+  1,595  1,687,220 
Chuo Mitsui Trust & Banking Co., Ltd.,           
Perpetual Sub Note (5.506% to 04-15-15 then           
variable) (Japan) (S)  5.506  12-01-49  Baa2  905  858,916 
Royal Bank of Scotland Group Plc,           
Perpetual Bond (7.648% to 09-30-31 then           
variable) (United Kingdom)  7.648  08-29-49  A  630  725,313 
 
Diversified Chemicals 0.81%          1,967,219 

NOVA Chemicals Corp.,           
Med Term Note (Canada) (L)  7.400  04-01-09  BB+  1,955  1,967,219 
 
Diversified Commercial Services 0.98%          2,404,198 

Hutchison Whampoa International Ltd.,           
Gtd Sr Note (Cayman Islands) (S)  6.500  02-13-13  A-  750  770,244 
Noble Group Ltd.,           
Sr Note (Bermuda) (S)  6.625  03-17-15  BB+  1,000  883,954 
Sotheby's Holdings, Inc.,           
Note  6.875  02-01-09  BB-  750  750,000 
 
Diversified Financial Services 0.36%          881,411 

St. George Funding Co.,           
Perpetual Bond (8.485% to 06-30-17 then           
variable) (Australia) (S)  8.485  12-31-49  Baa1  840  881,411 
 
Diversified Metals & Mining 0.20%          500,000 

Freeport-McMoRan Copper & Gold, Inc.,           
Sr Note  6.875  02-01-14  B+  500  500,000 
 
Electric Utilities 5.55%          13,561,925 

AES Eastern Energy L.P.,           
Pass Thru Ctf Ser 1999-A  9.000  01-02-17  BB+  1,211  1,372,848 
Beaver Valley Funding Corp.,           
Sec Lease Obligation Bond  9.000  06-01-17  BBB-  915  1,033,255 
BVPS II Funding Corp.,           
Collateralized Lease Bond  8.890  06-01-17  BB+  700  802,361 

Page 3


John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

CE Generation LLC,             
Sr Sec Note    7.416  12-15-18  BB-  772  801,887 
Empresa Electrica Guacolda S.A.,             
Sr Sec Note (S)    8.625  04-30-13  BBB-  810  879,911 
FPL Energy National Wind,             
Sr Sec Note (S)    5.608  03-10-24  BBB-  365  351,436 
HQI Transelect Chile S.A.,             
Sr Note (Chile)    7.875  04-15-11  A-  1,175  1,256,996 
Indiantown Cogeneration, L.P.,             
1st Mtg Note Ser A-9    9.260  12-15-10  BB+  431  453,932 
IPALCO Enterprises, Inc.,             
Sr Sec Note    8.625  11-14-11  BB-  315  344,137 
Kansas Gas & Electric Co.,             
Bond    5.647  03-29-21  BB-  425  405,867 
Midland Funding Corp. II,             
Lease Obligation Bond Ser B    13.250  07-23-06  BB-  2,000  2,037,013 
MSW Energy Holdings II LLC/MSW Energy Finance Co.,           
II, Inc.,             
Sr Sec Note Ser B    7.375  09-01-10  BB-  750  772,500 
PNPP II Funding Corp.,             
Deb    9.120  05-30-16  BB+  470  536,420 
System Energy Resources, Inc.,             
Sec Bond (S)    5.129  01-15-14  BBB  409  395,955 
TransAlta Corp.,             
Note (Canada)    5.750  12-15-13  BBB-  1,000  988,180 
TXU Corp.,             
Sec Bond    7.460  01-01-15  BBB  571  587,289 
Waterford 3 Funding Corp.,             
Sec Lease Obligation Bond    8.090  01-02-17  BBB-  525  541,938 
 
Electrical Components & Equipment  1.04%          2,545,956 

AMETEK, Inc.,             
Sr Note    7.200  07-15-08  BBB  1,500  1,543,456 
Solectron Global Finance Ltd.,             
Sr Sub Note (L)(S)    8.000  03-15-16  B-  1,000  1,002,500 
 
Electronic Equipment Manufacturers  0.32%          784,592 

Thomas & Betts Corp.,             
Sr Note    7.250  06-01-13  BBB-  745  784,592 
 
Food Retail 1.25%            3,043,099 

Ahold Finance USA, Inc.,             
Gtd Pass Thru Ctf Ser 2001A-1    7.820  01-02-20  BB  1,254  1,308,072 
Delhaize America, Inc.,             
Gtd Note    9.000  04-15-31  BB+  1,500  1,735,027 
 
Gas Utilities 0.88%            2,138,249 

Energy Transfer Partners,             
Gtd Sr Note (G)    5.950  02-01-15  BBB-  1,170  1,159,613 
Kinder Morgan Finance Co.,             
Gtd Sr Note    6.400  01-05-36  BBB  510  496,589 
NorAm Energy Corp.,             
Deb    6.500  02-01-08  BBB  475  482,047 

Page 4


John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

Health Care Facilities  0.35%          851,618 

Manor Care, Inc.,             
Gtd Note    6.250  05-01-13  BBB  855  851,618 
 
Health Care Services  0.76%          1,867,500 

Alliance Imaging, Inc.,             
Sr Sub Note    7.250  12-15-12  B-  1,000  867,500 
HealthSouth Corp.,             
Tranche Loan (G)(P)  9.650  02-02-07  B-  1,000  1,000,000 
 
Hotels, Resorts & Cruise Lines 0.99%          2,407,882 

HRP Myrtle Beach Operations LLC/HRP Myrtle Beach           
Operations Capital Corp.,           
Sr Sec Floating Rate Note (P)(S)  9.818  04-01-12  B  1,335  1,343,344 
Hyatt Equities LLC,             
Note (S)    6.875  06-15-07  BBB  1,050  1,064,538 
 
Industrial Conglomerates 0.25%          618,750 

Waste Services, Inc.,             
Gtd Sr Sub Note    9.500  04-15-14  CCC  600  618,750 
 
Industrial Machinery  0.89%          2,173,688 

Kennametal, Inc.,             
Sr Note    7.200  06-15-12  BBB  1,385  1,471,813 
Trinity Industries, Inc.,             
Pass Thru Ctf (S)    7.755  02-15-09  Ba1  690  701,875 
 
Integrated Oil & Gas  0.79%          1,929,580 

Pemex Project Funding Master Trust,           
Gtd Note    9.125  10-13-10  BBB  565  635,625 
Petro-Canada,             
Deb (Canada)    9.250  10-15-21  BBB  1,000  1,293,955 
 
Integrated Telecommunication Services 2.70%          6,601,551 

AT&T Corp.,             
Gtd Sr Note    9.750  11-15-31  A  490  585,091 
Bellsouth Corp.,             
Deb    6.300  12-15-15  A  1,037  1,049,260 
Cincinnati Bell, Inc.,             
Sr Sub Note (L)    8.375  01-15-14  B-  1,000  1,016,250 
Intelsat Subsidiary Holding Co., Ltd.,           
Gtd Sr Floating Rate Note (Bermuda) (P)  9.614  01-15-12  B+  450  457,312 
Qwest Capital Funding, Inc.,           
Gtd Note (L)    7.000  08-03-09  B  1,700  1,725,500 
Sprint Capital Corp.,             
Gtd Sr Note    6.900  05-01-19  A-  1,000  1,068,313 
Telefonos de Mexico, S.A. de C.V.,           
Note (Mexico)    5.500  01-27-15  BBB  735  699,825 

Page 5


John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

Investment Banking & Brokerage 0.33%          798,750 

Mizuho Financial Group Cayman Ltd.,           
Gtd Sub Bond (Cayman Islands)  8.375  12-29-49  A2  750  798,750 
 
IT Consulting & Other Services 0.56%          1,358,950 

NCR Corp.,           
Note  7.125  06-15-09  BBB-  375  386,450 
Unisys Corp.,           
Sr Note (L)  6.875  03-15-10  BB+  1,000  972,500 
 
Leisure Facilities 0.73%          1,779,462 

AMC Entertainment, Inc.,           
Sr Sub Note (L)  9.500  02-01-11  CCC+  1,065  1,035,712 
Cinemark USA, Inc.,           
Sr Sub Note (L)  9.000  02-01-13  B-  700  743,750 
 
Life & Health Insurance 0.60%          1,460,833 

Phoenix Cos., Inc. (The),           
Bond  6.675  02-16-08  BBB  485  486,273 
Phoenix Life Insurance Co.,           
Note (S)  7.150  12-15-34  BBB+  425  431,193 
Provident Financing Trust I,           
Gtd Cap Security (L)  7.405  03-15-38  B+  580  543,367 
 
Metal & Glass Containers 1.12%          2,739,887 

BWAY Corp.,           
Gtd Sr Sub Note  10.000  10-15-10  B-  1,085  1,147,387 
Owens-Brockway Glass Container, Inc.,           
Gtd Sr Note  8.250  05-15-13  B  500  522,500 
Gtd Sr Sec Note  8.750  11-15-12  BB-  1,000  1,070,000 
 
Metal & Mining 0.19%          468,130 

Vedanta Resources Plc,           
Sr Note (United Kingdom) (S)  6.625  02-22-10  BB+  480  468,130 
 
Multi-Line Insurance 0.44%          1,065,646 

Assurant, Inc.,           
Sr Note  6.750  02-15-34  BBB+  490  508,203 
Massachusetts Mutual Life Insurance Co.,           
Surplus Note (S)  7.625  11-15-23  AA  470  557,443 
 
Multi-Media 0.47%          1,156,845 

News America Holdings,           
Gtd Sr Deb  7.750  01-20-24  BBB  980  1,059,232 
Quebecor Media, Inc.,           
Sr Note (Canada) (S)  7.750  03-15-16  B  95  97,613 
 
Multi-Utilities & Unregulated Power 1.20%          2,936,182 

CalEnergy Co., Inc.,           
Sr Bond  8.480  09-15-28  BBB-  525  648,855 

Page 6


John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

Dynegy-Roseton Danskamme,             
Gtd Pass Thru Ctf Ser B    7.670  11-08-16  B  500  510,823 
Salton Sea Funding Corp.,             
Sr Sec Note Ser C    7.840  05-30-10  BB+  1,728  1,776,504 
 
Office Services & Supplies 0.40%            978,116 

Steelcase, Inc.,               
Sr Note      6.375  11-15-06  BBB-  980  978,116 
 
Oil & Gas Refining, Marketing & Transportation 0.86%          2,110,943 

Copano Energy LLC,             
Sr Note (S)      8.125  03-01-16  B  250  258,750 
Enterprise Products Operating L.P.,             
Sr Note Ser B      5.600  10-15-14  BB+  1,000  969,693 
Reliant Energy, Inc.,             
Sr Sec Note      6.750  12-15-14  B+  1,000  882,500 
 
Oil & Gas Drilling 0.63%            1,534,001 

Delek & Avner-Yam Tethys Ltd. ,             
Sr Sec Note (Israel) (S)    5.326  08-01-13  BBB-  364  351,501 
Gazprom,               
Loan Part Note (Germany) (S)    9.625  03-01-13  BB+  1,000  1,182,500 
 
Oil & Gas Equipment & Services 0.10%            243,750 

Grant Prideco, Inc.,             
Sr Note Ser B      6.125  08-15-15  BB  250  243,750 
 
Oil & Gas Exploration & Production 0.62%            1,514,467 

Pioneer Natural Resources Co.,             
Gtd Sr Note      7.200  01-15-28  BB+  1,000  1,000,717 
Plains Exploration & Production Co.,             
Sr Note      7.125  06-15-14  BB-  500  513,750 
 
Paper Packaging 1.37%            3,334,375 

MDP Acquisitions Plc,             
Sr Note (Ireland)    9.625  10-01-12  B-  1,250  1,321,875 
Stone Container Corp.,             
Sr Note      9.750  02-01-11  CCC+  1,000  1,027,500 
Sr Note      8.375  07-01-12  CCC+  1,000  985,000 
 
Paper Products 0.14%            338,165 

Plum Creek Timber Co., Inc.,             
Gtd Note      5.875  11-15-15  BBB-  345  338,165 
 
Pharmaceuticals 1.29%            3,151,876 

Medco Health Solutions, Inc.,             
Sr Note      7.250  08-15-13  BBB  1,550  1,668,904 
Wyeth,               
Note      5.500  03-15-13  A  1,500  1,482,972 

Page 7


John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

Property & Casualty Insurance  0.62%            1,518,703 

Markel Corp.,               
Sr Note      7.350  08-15-34  BBB-  515  531,074 
Ohio Casualty Corp.,               
Note      7.300  06-15-14  BB  750  781,754 
URC Holdings Corp.,               
Sr Note (S)      7.875  06-30-06  AA-  205  205,875 
 
Publishing 0.18%              432,544 

Dex Media West,               
Gtd Sr Sub Note      9.875  08-15-13  B  391  432,544 
 
Real Estate Investment Trusts 1.77%            4,323,403 

Chelsea Property Group,               
Note      6.000  01-15-13  BBB+  1,040  1,048,583 
Health Care REIT, Inc.,               
Sr Note      6.200  06-01-16  BBB-  345  342,821 
Healthcare Realty Trust, Inc.,               
Sr Note      8.125  05-01-11  BBB-  165  180,120 
HRPT Properties Trust,               
Sr Note      5.750  11-01-15  BBB  750  732,573 
iStar Financial, Inc.,               
Sr Note      7.000  03-15-08  BBB-  785  804,934 
ProLogis,               
Note      5.500  03-01-13  BBB+  980  964,372 
Ventas Realty L.P./Capital Corp.,               
Sr Note      6.625  10-15-14  BB  250  250,000 
 
Real Estate Management & Development 0.45%          1,103,776 

K Hovnanian Enterprises, Inc.,               
Sr Note      7.500  05-15-16  BB  300  295,760 
Post Apartment Homes,               
Sr Note      5.125  10-12-11  BBB  830  808,016 
 
Regional Banks 1.75%              4,275,737 

Colonial Capital II,               
Gtd Cap Security Ser A      8.920  01-15-27  BB  1,029  1,094,391 
Crestar Capital Trust I,               
Gtd Cap Security      8.160  12-15-26  A-  880  927,949 
First Chicago NDB Institutional Capital,             
Gtd Cap Bond Ser A (S)      7.950  12-01-26  A1  500  525,003 
Greater Bay Bancorp,               
Sr Note Ser D      5.125  04-15-10  BBB-  540  527,757 
NB Capital Trust IV,               
Gtd Cap Security      8.250  04-15-27  A  1,130  1,200,637 
 
Specialized Finance 2.22%              5,427,859 

ASG Consolidated LLC,               
Sr Disc Note (Zero to 11-01-08, then             
11.500%) (O)      Zero  11-01-11  B-  1,180  967,600 
Astoria Depositor Corp.,               
Pass Thru Ctf Ser B (G)(S)      8.144  05-01-21  BB  750  787,500 

Page 8


John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

Bosphorous Financial Services,           
Sec Floating Rate Note (P)(S)  6.549  02-15-12  Baa3  500  503,706 
CCM Merger, Inc.,           
Note (S)  8.000  08-01-13  B-  1,000  995,000 
Drummond Co., Inc.,           
Sr Note (S)  7.375  02-15-16  BB-  1,000  997,500 
ESI Tractebel Acquisition Corp.,           
Gtd Sec Bond Ser B  7.990  12-30-11  BB  975  1,009,543 
Humpuss Funding Corp.,           
Gtd Note (S)  7.720  12-15-09  B2  169  167,010 
 
Steel 0.48%          1,176,000 

Metallurg Holdings, Inc.,           
Sr Sec Note (G)(S)  10.500  10-01-10  B-  1,200  1,176,000 
 
Telecommunications Equipment 0.78%          1,914,442 

Corning, Inc.,           
Med Term Note  8.300  04-04-25  Ba2  1,150  1,184,644 
Note  6.050  06-15-15  BBB-  740  729,798 
 
Thrifts & Mortgage Finance 13.49%          32,938,798 

Banc of America Commercial Mortgage, Inc.,           
Mtg Pass Thru Ctf Ser 2005-6 Class A4  5.182  09-10-47  AAA  905  882,807 
Banc of America Funding Corp.,           
Mtg Pass Thru Ctf Ser 2006-B Class 6A1  5.904  02-01-36  AAA  430  431,681 
Bear Stearns Alt-A Trust,           
Mtg Pass Thru Ctf Ser 2005-3 Class B2 (P)  5.355  04-25-35  AA+  439  431,199 
Bear Stearns Commercial Mortgage Securities, Inc.,           
Mtg Pass Thru Ctf Ser 2005-T20 Class A4A (P)  5.156  10-12-42  AAA  440  428,934 
Chaseflex Trust,           
Mtg Pass Thru Ctf Ser 2005-2 Class 4A1  5.000  05-25-20  AAA  1,173  1,134,959 
Citigroup Mortgage Loan Trust, Inc.,           
Mtg Pass Thru Ctf Ser 2005-5 Class 2A3  5.000  08-25-35  AAA  712  699,385 
Citigroup/Deutsche Bank Commercial Mortgage           
Securities,           
Mtg Pass Thru Ctf Ser 2005-CD1 Class A4  5.225  07-15-44  AAA  595  583,247 
Mtg Pass Thru Ctf Ser 2005-CD1 Class C  5.225  07-15-44  AA  285  276,567 
ContiMortgage Home Equity Loan Trust,           
Mtg Pass Thru Ctf Ser 1995-2 Class A-5  8.100  08-15-25  AAA  135  139,112 
Countrywide Alternative Loan Trust,           
Mtg Pass Thru Ctf Ser 2004-24CB Class 1A1  6.000  11-25-34  AAA  836  830,485 
Mtg Pass Thru Ctf Ser 2005-6 Class 2A1  5.500  04-25-35  Aaa  631  613,121 
Mtg Pass Thru Ctf Ser 2005-J1 Class 3A1  6.500  08-25-32  AAA  518  524,240 
Countrywide Home Loans Servicing L.P.,           
Mtg Pass Thru Ctf Ser 2005-21 Class A1  5.500  10-25-35  Aaa  4,128  4,031,463 
CS First Boston Mortgage Securities Corp.,           
Mtg Pass Thru Ctf Ser 2003-25 Class 2A1  4.500  10-25-18  AAA  505  477,240 
First Horizon Alternative Mortgage Securities,           
Mtg Pass Thru Ctf Ser 2004-AA5 Class B1(P)  5.241  12-25-34  AA  314  308,825 
Global Signal Trust,           
Sub Bond Ser 2004-2A Class D (S)  5.093  12-15-14  Baa2  385  375,224 
Sub Bond Ser 2006-1 Class E (S)  6.495  02-15-36  Baa3  370  368,907 

Page 9


John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

GMAC Commercial Mortgage Securities, Inc.,           
Mtg Pass Thru Ctf Ser 2002-C1 Class A1  5.785  11-15-39  AAA  1,904  1,917,119 
Greenwich Capital Commercial Funding Corp.,           
Mtg Pass Thru Ctf Ser 2005-GG5 Class A2  5.117  04-10-37  AAA  1,220  1,206,800 
GSR Mortgage Loan Trust,           
Mtg Pass Thru Ctf Ser 2004-9 Class B1 (G)(P)  4.521  08-25-34  AA  578  567,071 
Indymac Index Mortgage Loan Trust,           
Mtg Pass Thru Ctf Ser 2004-AR13 Class B1  5.296  01-25-35  AA  468  461,972 
Mtg Pass Thru Ctf Ser 2005-AR5 Class B1 (P)  5.425  05-25-35  AA  508  498,802 
JP Morgan Alternative Loan Trust,           
Mtg Pass Thru Ctf Ser 2005-S1 Class 1A4  6.000  12-25-35  AAA  4,872  4,844,290 
JP Morgan Chase Commercial Mortgage Security           
Corp.,           
Mtg Pass Thru Ctf Ser 2005-LDP4 Class B  5.129  10-15-42  Aa2  1,965  1,875,455 
Merrill Lynch Mortgage Trust,           
Mtg Pass Thru Ctf Ser 2005-CKI1 Class A6  5.245  11-12-37  AAA  820  804,971 
Morgan Stanley Capital I,           
Mtg Pass Thru Ctf Ser 2005-HQ7 Class A4  5.205  11-14-42  AAA  810  792,373 
Mtg Pass Thru Ctf Ser 2005-IQ10 Class A4A  5.230  09-15-42  AAA  1,180  1,149,330 
Prime Mortgage Trust,           
Mtg Pass Thru Ctf Ser 2005-2 Class 1A2  5.000  07-25-20  Aaa  1,577  1,544,248 
Provident Funding Mortgage Loan Trust,           
Mtg Pass Thru Ctf Ser 2005-1 Class B1(P)  4.368  05-25-35  AAA  387  371,501 
SBA CMBS Trust,           
Sub Bond Ser 2005-1A Class D (S)  6.219  11-15-35  Baa2  200  199,754 
Sub Bond Ser 2005-1A Class E (S)  6.706  11-15-35  Baa3  200  200,540 
Sovereign Capital Trust I,           
Gtd Cap Security  9.000  04-01-27  BB  1,000  1,067,578 
Washington Mutual Alternative Loan Trust,           
Mtg Pass Thru Ctf Ser 2005-6 Class 1CB  6.500  08-25-35  AAA  789  799,014 
Washington Mutual, Inc.,           
Mtg Pass Thru Ctf Ser 2005-AR4 Class B1 (P)  4.678  04-25-35  AA  1,456  1,420,966 
Wells Fargo Mortgage Backed Securites Trust,           
Mtg Pass Thru Ctf Ser 2004-7 Class 2A2  5.000  07-25-19  AAA  700  679,618 
 
Utilities Other 0.31%          756,660 

Atlas Pipeline Partners L.P.,           
Gtd Sr Note (S)  8.125  12-15-15  B+  140  145,950 
Magellan Midstream Partners L.P.,           
Note  6.450  06-01-14  BBB  590  610,710 
 
Wireless Telecommunication Services 2.83%          6,906,849 

America Movil S.A. de C.V.,           
Sr Note (Mexico)  5.750  01-15-15  BBB  1,225  1,187,014 
Crown Castle Towers LLC,           
Sub Bond Ser 2005-1A Class D  5.612  06-15-35  Baa2  655  637,193 
Dobson Communications Corp.,           
Sr Note (L)  8.875  10-01-13  CCC  1,000  1,005,000 
Mobile Telesystems Finance S.A.,           
Gtd Sr Note (Luxembourg) (S)  9.750  01-30-08  BB-  350  367,938 
New Cingular Wireless Services, Inc.,           
Sr Note  8.750  03-01-31  A  1,475  1,868,158 
Nextel Communications, Inc.,           
Sr Note Ser D  7.375  08-01-15  A-  1,250  1,310,921 

Page 10


John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

Rogers Wireless, Inc.,             
Sr Sub Note (Canada)  8.000  12-15-12  B+  500  530,625 
 
        Credit     
Issuer, description        rating (A)  Shares  Value 

 
Preferred stocks 1.22%          $2,974,300 
(Cost $3,066,289)             
 
Agricultural Products 0.40%          987,500 

Ocean Spray Cranberries, Inc., 6.25%, Ser A (S)      BB+  12,500  987,500 
 
Multi-Utilities & Unregulated Power 0.42%          1,018,400 

Dominion CNG Capital Trust I, 7.80%      BB+  40,000  1,018,400 
 
Real Estate Investment Trusts 0.40%          968,400 

Public Storage, Inc., 6.50%, Depositary Shares,           
Ser W        BBB+  40,000  968,400 
 
    Interest  Maturity  Credit  Par value   
Issuer, description    rate (%)  date  rating (A)  ($000)  Value 

 
U.S. government and agencies securities 29.29%        $71,515,304 
(Cost $72,945,753)             
 
Government U.S. 7.19%          17,561,561 

United States Treasury,             
Bond (L)    6.875  08-15-25  AAA  9,265  11,309,813 
Bond (L)    5.375  02-15-31  AAA  2,235  2,352,686 
Bond (L)    4.500  02-15-16  AAA  540  525,192 
Note (L)    4.500  11-15-10  AAA  620  611,668 
Note (L)    4.500  11-15-15  AAA  570  553,123 
Note (L)    4.250  11-15-13  AAA  2,300  2,209,079 
 
Government U.S. Agency 22.10%          53,953,743 

Federal Home Loan Mortgage Corp.,           
20 Yr Pass Thru Ctf    11.250  01-01-16  AAA  22  24,226 
30 Yr Pass Thru Ctf    6.000  08-01-34  AAA  3,375  3,377,233 
30 Yr Pass Thru Ctf    6.000  02-01-35  AAA  408  409,273 
30 Yr Pass Thru Ctf    5.165  11-01-35  AAA  2,196  2,160,988 
CMO REMIC 2978    5.500  01-15-31  AAA  2,590  2,546,533 
Note    4.900  11-03-08  AAA  5,070  5,024,608 
Federal National Mortgage Assn.,           
15 Yr Pass Thru Ctf    7.500  02-01-08  AAA  7  7,365 
15 Yr Pass Thru Ctf    7.000  09-01-10  AAA  27  27,728 
15 Yr Pass Thru Ctf    7.000  10-01-12  AAA  18  18,909 
15 Yr Pass Thru Ctf    7.000  04-01-17  AAA  48  49,943 
30 Yr Pass Thru Ctf    6.000  11-01-34  AAA  1,880  1,881,294 
30 Yr Pass Thru Ctf    6.000  05-01-35  AAA  4,385  4,385,421 
30 Yr Pass Thru Ctf    6.000  08-01-35  AAA  2,398  2,399,505 
30 Yr Pass Thru Ctf    6.000  10-01-35  AAA  15,247  15,252,367 
30 Yr Pass Thru Ctf    5.500  05-01-34  AAA  990  967,273 
30 Yr Pass Thru Ctf    5.500  04-01-35  AAA  638  623,778 

Page 11


John Hancock
Investors Trust
Securities owned by the Fund on
March 31, 2006 (unaudited)

30 Yr Pass Thru Ctf  5.500  05-01-35  AAA  2,407  2,354,333 
30 Yr Pass Thru Ctf  5.500  11-01-35  AAA  2,192  2,141,004 
30 Yr Pass Thru Ctf  5.314  11-01-35  AAA  3,762  3,698,245 
Note  6.000  05-30-25  AAA  1,652  1,592,241 
Note  5.000  11-14-08  AAA  1,475  1,467,442 
Note (L)  5.000  04-19-10  AAA  2,470  2,457,220 
Financing Corp.,           
Bond  9.400  02-08-18  Aaa  785  1,060,144 
Government National Mortgage Assn.,           
30 Yr Pass Thru Ctf  10.000  11-15-20  AAA  6  7,509 
30 Yr Pass Thru Ctf  9.500  01-15-21  AAA  4  4,886 
30 Yr Pass Thru Ctf  9.500  02-15-25  AAA  12  14,275 
 
    Interest  Par value   
Issuer, description, maturity date    rate (%)  ($000)  Value 

 
Short-term investments 1.10%          $2,689,000 
(Cost $2,688,331)           
 
Government U.S. Agency 1.06%          2,600,000 

Federal Home Loan Bank           
Disc Note 04-03-06    Zero  2,600  2,600,000 
 
Joint Repurchase Agreement 0.04%          89,000 

Investment in a joint repurchase agreement           
transaction with Morgan Stanley - Dated 03-31-06           
due 04-03-06 (Secured by U.S. Treasury Inflation           
Indexed Note 3.875% due 01-15-09)    4.470  89  89,000 
 
Total investments 100.00%          $244,192,220 

Page 12


John Hancock
Investors Trust
Financial futures contracts
March 31, 2006 (unaudited)

  Number of      Appreciation 
Open contracts  contracts  Position  Expiration  (depreciation) 

 
U.S. 10-Year Treasury Note  330  Short  June 06  $417,922 

Financial futures contracts


John Hancock
Investors Trust
Footnotes to Schedule of Investments
March 31, 2006 (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, 2006.

(O) Cash interest will be paid on this obligation at the stated rate beginning on the stated date.

(P) Represents rate in effect on March 31, 2006.

(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 $32,038,976 or 13.12% of the Fund's total investments as of March 31, 2006.

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 March 31, 2006, including short-term investments, was $247,882,831. Gross unrealized appreciation and depreciation of investments aggregated $2,690,672 and $6,381,283, respectively, resulting in net unrealized depreciation of $3,690,611.

Footnotes to Schedule of Investments - Page 1





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 financial 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 financial 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 Investors Trust

By: /s/ Keith F. Hartstein
-------------------------------------
Keith F. Hartstein
President and Chief Executive Officer

Date: May 25, 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/ Keith F. Hartstein
-------------------------------------
Keith F. Hartstein
President and Chief Executive Officer

Date: May 25, 2006

By: /s/ John G. Vrysen
-------------------------------------
John G. Vrysen
Executive Vice President and Chief Financial Officer

Date: May 25, 2006