a_taxadvdivincome.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- 21416

John Hancock Tax-Advantaged Dividend Income Fund
(Exact name of registrant as specified in charter)

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

Alfred P. Ouellette, Senior 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:  September 30, 2006 


ITEM 1.
SCHEDULE OF INVESTMENTS




John Hancock
Tax-Advantaged Dividend Income Fund
Securities owned by the Fund on
September 30, 2006 (unaudited)

Issuer  Shares  Value 
Common stocks 76.07%    $982,711,405 

(Cost $875,093,086)     
 
Diversified Banks 4.26%    55,064,618 

Comerica, Inc.  296,000  16,848,320 
U.S. Bancorp.  480,900  15,975,498 
Wachovia Corp.  230,000  12,834,000 
Wells Fargo & Co.  260,000  9,406,800 
 
Diversified Metals & Mining 0.53%    6,776,000 

Phelps Dodge Corp.  80,000  6,776,000 
 
Electric Utilities 8.04%    103,858,152 

American Electric Power Co., Inc.  355,500  12,929,535 
FPL Group, Inc.  135,000  6,075,000 
Great Plains Energy, Inc.  67,000  2,078,340 
Hawaiian Electric Industries, Inc.  75,000  2,029,500 
Pinnacle West Capital Corp.  230,000  10,361,500 
Progress Energy, Inc.  569,600  25,848,448 
Scottish Power Plc, American Depositary     
Receipt (United Kingdom)  496,031  24,087,265 
Southern Co. (The)  593,400  20,448,564 
 
Gas Utilities 8.38%    108,279,859 

Atmos Energy Corp.  756,200  21,589,510 
National Fuel Gas Co.  456,000  16,575,600 
Northwest Natural Gas Co.  325,000  12,766,000 
ONEOK, Inc.  821,100  31,029,369 
Peoples Energy Corp.  585,200  23,788,380 
Piedmont Natural Gas Co., Inc.  100,000  2,531,000 
 
Independent Power Producers & Energy Trade 1.18%    15,258,940 

Black Hills Corp.  454,000  15,258,940 
 
Integrated Oil & Gas 1.40%    18,095,940 

Chevron Corp.  279,000  18,095,940 
 
Integrated Telecommunication Services 3.05%    39,463,089 

AT&T, Inc.  670,000  21,815,200 
Verizon Communications, Inc.  475,300  17,647,889 
 
Multi-Utilities 29.55%    381,787,872 

Ameren Corp.  561,100  29,620,469 
CH Energy Group, Inc.  373,600  19,229,192 
Consolidated Edison, Inc.  525,100  24,259,620 
Dominion Resources, Inc.  385,000  29,448,650 
DTE Energy Co.  609,914  25,317,530 

Page 1


John Hancock
Tax-Advantaged Dividend Income Fund
Securities owned by the Fund on
September 30, 2006 (unaudited)

Duke Energy Corp.      1,099,846  33,215,349 
Energy East Corp.      573,000  13,591,560 
KeySpan Corp.      811,747  33,395,272 
NiSource, Inc.      642,700  13,972,298 
NSTAR      1,086,000  36,228,960 
OGE Energy Corp.      884,800  31,950,128 
PNM Resources, Inc.      185,000  5,100,450 
Public Service Enterprise Group, Inc.      375,600  22,982,964 
SCANA Corp.      257,500  10,369,525 
TECO Energy, Inc.      40,000  626,000 
Vectren Corp.      689,900  18,523,815 
WPS Resources Corp.      343,000  17,023,090 
Xcel Energy, Inc.      820,000  16,933,000 
 
Oil & Gas Storage & Transportation 1.34%      17,258,310 

Kinder Morgan, Inc.      164,600  17,258,310 
 
Other Diversified Financial Services 4.67%      60,312,838 

Bank of America Corp.      730,000  39,106,100 
Citigroup, Inc.      187,000  9,288,290 
JPMorgan Chase & Co.      253,800  11,918,448 
 
Regional Banks 12.12%        156,587,464 

AmSouth Bancorp.      775,000  22,506,000 
BB&T Corp.      495,000  21,671,100 
F.N.B. Corp.      166,900  2,780,554 
First Horizon National Corp.      215,000  8,172,150 
FirstMerit Corp.      365,000  8,457,050 
KeyCorp      619,000  23,175,360 
National City Corp.      505,000  18,483,000 
PNC Financial Services Group, Inc.      305,000  22,094,200 
Regions Financial Corp.      795,000  29,248,050 
 
Thrifts & Mortgage Finance 0.92%        11,867,310 

Washington Mutual, Inc.      273,000  11,867,310 
 
Wireless Telecommunication Services 0.63%      8,101,013 

Vodafone Group Plc, ADR (United Kingdom)    354,375  8,101,013 
 
    Credit     
Issuer, description    rating (A)  Shares  Value 
Preferred stocks 21.72%        $280,587,021 

(Cost $285,792,569)         
 
Broadcasting & Cable TV 0.24%        3,083,595 

Comcast Corp., 7.00%    BBB+  120,500  3,083,595 
 
Consumer Finance 0.42%        5,454,253 

HSBC Finance Corp., 6.36%, Depositary       
Shares, Ser B    A  150,000  3,870,000 
HSBC USA, Inc., $2.8575 (G)    A1  3,800  183,469 

Page 2


John Hancock
Tax-Advantaged Dividend Income Fund
Securities owned by the Fund on
September 30, 2006 (unaudited)

SLM Corp., 6.97%, Ser A  BBB+  26,400  1,400,784 
 
Diversified Banks 2.14%      27,585,744 

Abbey National Plc, 7.375%, Depositary       
Shares, Ser B (United Kingdom)  A  93,100  2,442,944 
Royal Bank of Scotland Group Plc, 5.75%,       
Ser L (United Kingdom)  A  920,000  22,043,200 
Wells Fargo Capital Trust IV, 7.00%  A+  123,000  3,099,600 
 
Electric Utilities 6.96%      89,875,859 

Alabama Power Co., 5.30% (Class A)  BBB+  213,000  5,298,375 
Carolina Power & Light Co., $5.44  BB+  111,493  10,759,075 
Connecticut Light & Power Co., $3.24,       
Ser 68G  BB+  20,686  1,063,391 
Duquesne Light Co., 6.50%  BB+  227,000  11,182,020 
Entergy Arkansas, Inc., $6.08  BA1  11,372  1,140,399 
Entergy Arkansas, Inc., 4.56%  BB+  9,388  783,018 
Entergy Arkansas, Inc., 4.56%, Ser 1965  BB+  9,818  834,224 
Entergy Arkansas, Inc., 6.45%  BB+  110,000  2,784,375 
Entergy Gulf States, Inc., $7.56  BB+  28,422  2,849,306 
Entergy Mississippi, Inc., 4.92%  BA2  8,190  751,432 
Entergy Mississippi, Inc., 6.25%  BB+  197,500  4,881,963 
FPC Capital I, 7.10%, Ser A  BB+  48,600  1,226,178 
FPL Group Capital Trust I, 5.875%  BBB+  318,200  7,398,150 
Interstate Power & Light Co., 7.10%, Ser C  BBB-  20,600  532,382 
Interstate Power & Light Co., 8.375%, Ser B  Baa3  233,000  7,223,000 
PPL Electric Utilities Corp., 6.25%,       
Depositary Shares  BBB  300,000  7,640,640 
PPL Energy Supply, LLC, 7.00%  BBB  297,512  7,586,556 
Southern California Edison Co., 6.00%,       
Series C  BBB-  30,000  3,042,510 
Southern California Edison Co., 6.125%  BBB-  50,000  4,985,940 
Virginia Power Capital Trust, 7.375%  BB+  135,400  3,452,700 
Xcel Energy, Inc., $4.56, Ser G  BB+  53,900  4,460,225 
 
Gas Utilities 0.83%      10,770,884 

Southern Union Co., 7.55%, Ser A  BB+  417,800  10,770,884 
 
Investment Banking & Brokerage 2.82%      36,447,719 

Bear Stearns Cos., Inc. (The), 5.49%,       
Depositary Shares, Ser G  BBB  246,100  11,320,600 
Bear Stearns Cos., Inc. (The), 5.72%,       
Depositary Shares, Ser F  BBB  3,000  145,950 
Bear Stearns Cos., Inc. (The), 6.15%,       
Depositary Shares, Ser E  BBB  71,600  3,615,800 
Lehman Brothers Holdings, Inc., 5.67%,       
Depositary Shares, Ser D  A-  63,000  3,024,000 
Lehman Brothers Holdings, Inc., 5.94%,       
Depositary Shares, Ser C  A-  266,260  13,352,939 
Lehman Brothers Holdings, Inc., 6.50%,       
Depositary Shares, Ser F  A-  193,500  4,988,430 

Page 3


John Hancock
Tax-Advantaged Dividend Income Fund
Securities owned by the Fund on
September 30, 2006 (unaudited)

Life & Health Insurance 1.42%          18,413,406 

MetLife, Inc., 6.50%, Ser B      BBB  705,000  18,266,550 
Prudential Plc, 6.50% (United Kingdom)    A-  5,800  146,856 
 
Multi-Line Insurance 0.42%          5,393,441 

Aegon NV, 6.50% (Netherlands)      A-  5,000  126,850 
ING Groep NV, 6.20% (Netherlands)    A  109,100  2,728,591 
ING Groep NV, 7.05% (Netherlands)    A  100,000  2,538,000 
 
Multi-Utilities 0.76%          9,787,352 

BGE Capital Trust II, 6.20%      BBB-  147,100  3,517,161 
Public Service Electric & Gas Co., 5.05%,         
Ser D      BB+  23,442  2,133,222 
Public Service Electric & Gas Co., 5.28%,         
Ser E      BB+  22,930  2,131,343 
South Carolina Electric & Gas Co., 6.52%    Baa1  20,000  2,005,626 
 
Oil & Gas Exploration & Production 2.81%        36,251,993 

Anadarko Petroleum Corp., 5.46%,           
Depositary Shares, Ser B      BB  40,000  3,770,000 
Apache Corp., 5.68%, Depositary Shares,         
Ser B      BBB  50,000  4,982,815 
Chesapeake Energy Corp., 6.25%, Conv (G)    B1  7,290  1,839,194 
Devon Energy Corp., 6.49%, Ser A      BB+  150,000  15,159,375 
Nexen, Inc., 7.35% (Canada)      BB+  408,584  10,500,609 
 
Other Diversified Financial Services 2.61%        33,713,760 

ABN AMRO Capital Funding Trust VII, 6.08%    A  950,000  23,294,000 
Bank of America Corp., 6.20%, Depositary         
Shares, Ser D      A  240,000  6,124,800 
Citigroup Capital VIII, 6.95%      A  95,500  2,398,960 
JPMorgan Chase Capital X, 7.00%, Ser J    A1  75,000  1,896,000 
 
Regional Banks 0.10%          1,320,375 

Suntrust Capital IV, 7.125%      A-  52,500  1,320,375 
 
Reinsurance 0.19%          2,488,640 

RenaissanceRe Holdings Ltd., 6.08%, Ser C         
(Bermuda)                                                          BBB  112,000  2,488,640 
 
  Interest  Maturity            Credit               Par value               
Issuer, description  rate (%)  date  rating (A)  ($000)  Value 
Short-term investments  2.21%        $28,600,000 

(Cost $28,593,009)           
 
Government U.S. Agency 2.21%          28,600,000 

Federal Home Loan Bank,           
Disc Note  4.400  10-02-06  AAA  $28,600  28,600,000 
 
 
Total investments (Cost $1,189,478,664) 100.00%    $1,291,898,426 

Page 4


John Hancock
Tax-Advantaged Dividend Income Fund
Footnotes to Schedule of Investments
September 30, 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.

(G) Security rated internally by 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 September 30, 2006, including short-term investments, was $1,189,478,664. Gross unrealized appreciation and depreciation of investments aggregated $118,312,916 and $15,893,154, respectively, resulting in net unrealized appreciation of $102,419,762.

Footnotes to Schedule of Investments - Page 1


John Hancock
Tax-Advantaged Dividend Income Fund
Financial futures contracts
September 30, 2006 (unaudited)

  Number of       
Open contracts  contracts  Position  Expiration  Depreciation 

 
U.S. Treasury 10-Year Note  300  Short  Nov 06  $344,286 

Financial futures contracts




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 Tax-Advantaged Dividend Income Fund

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

Date: November 29, 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: November 29, 2006

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

Date: November 29, 2006