UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-07250

Name of Fund:      BlackRock Broad Investment Grade 2009 Term Trust, Inc.

Fund Address:     100 Bellevue Parkway, Wilmington, DE 19809

Name and address of agent for service: Robert S. Kapito, President, BlackRock Broad Investment Grade
               2009 Term Trust, Inc., 40 East 52nd Street, New York, NY 10022.

Registrant’s telephone number, including area code: (888) 825-2257

Date of fiscal year end: 10/31/2007

Date of reporting period: 05/01/2007 – 07/31/2007


Item 1 – Schedule of Investments

PORTFOLIO OF INVESTMENTS (unaudited)
JULY 31, 2007
BlackRock Broad Investment Grade 2009 Term Trust Inc. (BCT)
(Percentages shown are based on Net Assets)

Principal          
Amount          
(000)        
Description
 
Value
 
      LONG-TERM INVESTMENTS—29.0%      
      Mortgage Pass-Through Securities—0.9%      
      Federal National Mortgage Assoc.,      
$
331      5.50%, 1/01/17-2/01/17
$
          328,172   
  14      6.50%, 7/01/29   14,722  
      Total Mortgage Pass-Through Securities   342,894  
      Agency Multiple Class Mortgage Pass-Through Securities—10.5%      
      Federal Home Loan Mortgage Corp.,      
            1,839      Ser. 1510, Class G, 7.05%, 5/15/13   1,839,641  
  1,527      Ser. 1598, Class J, 6.50%, 10/15/08   1,523,437  
  81      Ser. 2564, Class NC, 5.00%, 2/15/33   78,017  
  746   Federal National Mortgage Assoc., Ser. 49, Class H, 7.00%, 4/25/13   763,106  
  11 1 Government National Mortgage Assoc., REMIC Trust 2000, Ser. 16, Class FD, 5.97%, 12/16/27   11,242  
      Total Agency Multiple Class Mortgage Pass-Through Securities   4,215,443  
      Inverse Floating Rate Mortgage Securities—3.0%      
  140 1 Citicorp Mortgage Securities, Inc., Ser. 14, Class A-4, 4.19%, 11/25/23   139,749  
      Federal Home Loan Mortgage Corp.,      
  22 1    Ser. 1425, Class SB, 8.299%, 12/15/07   22,323  
  8 1    Ser. 1506, Class S, 9.988%, 5/15/08   7,511  
  42 1    Ser. 1515, Class S, 9.087%, 5/15/08   41,422  
  26 1    Ser. 1600, Class SC, 8.60%, 10/15/08   25,786  
  181 1    Ser. 1618, Class SA, 8.25%, 11/15/08   180,068  
  10 1    Ser. 1661, Class SB, 9.155%, 1/15/09   9,933  
  35 1    Ser. 1688, Class S, 8.777%, 12/15/13   35,349  
  112 1    Ser. 2412, Class SE, 5.016%, 2/15/09   111,539  
  289 1    Ser. 2517, Class SE, 2.95%, 10/15/09   277,586  
      Federal National Mortgage Assoc.,      
  11 1    Ser. 13, Class SJ, 8.75%, 2/25/09   10,896  
  3 1    Ser. 174, Class S, 99.123%, 9/25/22   10,070  
  40 1    Ser. 179, Class SB, 7.437%, 10/25/07   40,236  
  7 1    Ser. 187, Class SB, 12.118%, 10/25/07   7,400  
  160 1    Ser. 192, Class SC, 6.90%, 10/25/08   159,633  
  48 1    Ser. 214, Class SH, 4.359%, 12/25/08   47,611  
  67 1    Ser. 214, Class SK, 10.00%, 12/25/08   68,397  
      Total Inverse Floating Rate Mortgage Securities   1,195,509  
      Interest Only Mortgage-Backed Securities—1.7%      
      Federal Home Loan Mortgage Corp.,      
  1      Ser. 65, Class I, 9.18%, 8/15/20   1,107  
       Ser. 141, Class H, 10.60%, 5/15/21   226  
  1,610      Ser. 2523, Class EH, 5.50%, 4/15/20   102,999  
  261      Ser. 2633, Class PI, 4.50%, 3/15/12   2,529  
  4,177      Ser. 2739, Class PI, 5.00%, 3/15/22   138,167  
  272      Ser. 2775, Class UB, 5.00%, 12/15/17   899  
  1,674      Ser. 2976, Class KI, 5.50%, 11/15/34   203,485  
      Federal National Mortgage Assoc.,      
       Ser. 8, Class HA, 1,199.999%, 1/25/08   555  
  1,029      Ser. 13, Class IG, 5.00%, 10/25/22   32,408  
  50 1    Ser. 20, Class SL, 10.455%, 9/25/08   2,220  
  2      Ser. 49, Class L, 444.917%, 4/25/13   19,790  
  5,674      Ser. 70, Class ID, 5.00%, 4/25/22   116,964  
       Ser. G-21, Class L, 949.50%, 7/25/21   7,235  
  12,391 1 Vendee Mortgage Trust, Ser. 1, 0.043%, 10/15/31
 
27,504  
      Total Interest Only Mortgage-Backed Securities   656,088  
      Principal Only Mortgage-Backed Security—0.0%      
  16 2 Salomon Brothers Mortgage Securities, Inc. VI, Ser. 3, Class A, 12.50%, 10/23/17   14,618  
      Asset-Backed Securities—0.0%      
 
234
1,3,4,5      Global Rated Eligible Asset Trust, Ser. A, Class 1, 7.33%, 9/15/07   23  
 
568
1,3,5 Structured Mortgage Asset Residential Trust, Ser. 2, 8.24%, 12/15/07   57  
      Total Asset-Backed Securities   80  
      Corporate Bond—2.6%      
  1,000   Morgan Stanley Group, Inc., 10.00%, 6/15/08   1,036,633  
      U.S. Government and Agency Security—5.1%      
  2,000   U.S. Treasury Notes, 6.00%, 8/15/09   2,054,688  
      Taxable Municipal Bonds—5.2%      
  500   Fresno California Pension Oblig., 7.80%, 6/01/14   542,460  
  500   Kern County California Pension Oblig., 6.98%, 8/15/09   519,590  
  500   Los Angeles County California Pension Oblig., Ser. D, 6.97%, 6/30/08   508,700  
  500   Orleans Parish Louisiana School Board, Ser. A, 6.60%, 2/01/08   503,785  
      Total Taxable Municipal Bonds   2,074,535  
      Total Long-Term Investments      
      (cost $11,829,759)   11,590,488  
      SHORT-TERM INVESTMENT—70.3%      
      U.S. Government and Agency Discount Notes—70.3%      
  28,100 6 Federal Home Loan Bank Disc. Notes, 5.091%, 8/01/07 (cost $28,100,000)   28,100,000  
  Total Investments—99.3% (cost $39,929,7597)
$
39,690,488  
  Other assets in excess of liabilities—0.7%   296,263  
 
Net Assets—100%
$
39,986,751  

 

 

1     

Variable rate security. Rate shown is interest rate as of July 31, 2007.

 
2

Rate shown is effective yield of the underlying collateral as of July 31, 2007.

 
3

Illiquid security. As of July 31, 2007, the Trust held less than 0.1% of its net assets, with a current market value of $80, in these securities.

 
4

Security is not registered under the Securities Act of 1933. These securities may be resold in transactions in accordance with Rule 144A under that Act, to qualified institutional buyers. As of July 31, 2007, the Trust held less than 0.1% of its net assets, with a current market value of $23, in securities restricted as to resale.

 
5

Security is fair valued.

 
6

Rate shown is the yield to maturity as of the date of purchase.

 
7

Cost for federal income tax purposes is $39,929,759. The net unrealized depreciation on a tax basis is $239,271, consisting of $315,848 gross unrealized appreciation and $555,119 gross unrealized depreciation.

 
 
KEY TO ABBREVIATIONS
     REMIC — Real Estate Mortgage Investment Conduit     
 

1


Item 2 –  Controls and Procedures

2(a) –      The registrant’s principal executive and principal financial officers or persons performing similar functions have concluded that the registrant’s disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the “1940 Act”)) are effective as of a date within 90 days of the filing of this report based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act and Rule 13a-15(b) under the Securities and Exchange Act of 1934, as amended.

2(b) –      There were no changes in the registrant’s internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act (17 CFR 270.30a -3(d)) that occurred during the registrant’s last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the registrant’s internal control over financial reporting.

Item 3 –  Exhibits

Certifications – Attached hereto

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.

BlackRock Broad Investment Grade 2009 Term Trust, Inc.

By:     
/s/ Donald C. Burke
                  
  Donald C. Burke,  
  Treasurer of  
  BlackRock Broad Investment Grade 2009 Term Trust, Inc.
     
Date: September 20, 2007  

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/ Robert S. Kapito
                  
  Robert S. Kapito  
  President (principal executive officer) of
  BlackRock Broad Investment Grade 2009 Term Trust, Inc.
     
Date: September 20, 2007  
     
By:     
/s/ Donald C. Burke
                  
  Donald C. Burke,  
  Treasurer (principal financial officer) of
  BlackRock Broad Investment Grade 2009 Term Trust, Inc.
     
Date: September 20, 2007