BLACKROCK NEW YORK INVESTMENT QUALITY MUNICIPAL TRUST INC
N-30D, 1999-07-01
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- --------------------------------------------------------------------------------
         THE BLACKROCK NEW YORK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                       SEMI-ANNUAL REPORT TO SHAREHOLDERS
                          REPORT OF INVESTMENT ADVISER
- --------------------------------------------------------------------------------
                                                                    May 31, 1999




Dear Shareholder:

     Since the Trust's last report, interest rates rose sharply as U.S. economic
growth remained strong, labor markets tightened and international  markets began
to  recover.  In  light of  these  factors,  on May 18  members  of the  Federal
Reserve's  Federal Open Market Committee  announced that they had adopted a bias
towards higher  interest  rates,  citing a concern that inflation might start to
accelerate.

     BlackRock  has adopted a cautious  view of the bond  market,  as we believe
that there is a real  possibility  that the Federal  Reserve will raise interest
rates in the near future.  Additionally,  because the  Treasury  yield curve has
already priced in Federal  Reserve  action,  we believe that interest rates will
trade in a relatively narrow range until the economy shows signs of slowing.

     This report  contains  comments  from your Trust's  managers  regarding the
markets and  portfolio  in addition to the Trust's  financial  statements  and a
detailed  portfolio listing.  We thank you for your continued  investment in the
Trust.


Sincerely,



/s/ Laurence D. Fink          /s/ Ralph L. Schlosstein
- --------------------          ------------------------
Laurence D. Fink              Ralph L. Schlosstein
Chairman                      President


                                       1



<PAGE>

                                                                   May 31, 1999


Dear Shareholder:

     We are pleased to present the semi-annual report for The BlackRock New York
Investment  Quality  Municipal Trust Inc. (the "Trust") for the six months ended
April 30,  1999.  We would like to take this  opportunity  to review the Trust's
stock price and net asset value (NAV) performance, summarize market developments
and discuss recent portfolio management activity.

     The Trust is a non-diversified, actively managed closed-end bond fund whose
shares are traded on the American  Stock  Exchange  under the symbol "RNY".  The
Trust's  investment  objective is to provide high current  income that is exempt
from  regular  federal  and New York  state  income  taxes  consistent  with the
preservation of capital.  The Trust seeks to achieve this objective by investing
in  investment  grade  (rated  "AAA"  to "BBB" by a major  rating  agency  or of
equivalent  quality)  municipal debt securities  issued by local  municipalities
throughout New York.

     The table below  summarizes  the changes in the Trust's stock price and NAV
over the period:



                   -------------------------------------------------------------
                        4/30/99     10/31/98      CHANGE        HIGH        LOW
- --------------------------------------------------------------------------------
 STOCK PRICE         $15.625      $15.125       3.31%        $16.00     $15.00
- --------------------------------------------------------------------------------
 NET ASSET VALUE
   (NAV)             $15.46       $15.58       (0.77%)       $15.75     $15.43
- --------------------------------------------------------------------------------

THE FIXED INCOME MARKETS

     The past six months have witnessed  continued  rapid  expansion of the U.S.
economy. GDP growth for the first quarter of 1999 is estimated at an annual rate
above 4%, far  exceeding  the  historical  non-inflationary  level of 2%.  While
BlackRock  believes  that  growth may slow down in the second  half of 1999,  we
anticipate  GDP to remain  above 3% for the year.  Despite  the strong  economic
growth,  inflation has stayed  surprisingly  subdued.  A  significant  factor in
maintaining  low  inflation  in the U.S.  economy  stems  from the  increase  in
industrial productivity.  Higher productivity has allowed manufacturers to avoid
price increases despite tight labor markets.

     The Treasury  market  briefly  rallied early in the fourth  quarter of 1998
before dramatically  reversing in 1999. For the semi-annual period, the yield of
the 10-year  Treasury  security  rose from 4.61% on October 31, 1998 to 5.35% on
April 30, 1999. The weak performance of the Treasury market can be attributed to
investors  leaving the safe haven of Treasuries to purchase credit  sensitive or
higher yielding  securities in reaction to  inflationary  concerns voiced by the
Federal Reserve.

     Municipal bonds  outperformed  the taxable  domestic bond market during the
past six months,  returning  1.55% (as measured by the Lehman  Municipal  Index)
versus the LEHMAN  AGGREGATE  INDEX'S 0.68% on a pre-tax basis.  The main forces
behind municipal bond  outperformance  were the strongest mutual fund inflows in
five years and the reduction of municipal  bond supply (due to higher  interest)
after the second  highest  year of issuance  ($284  billion  issued in 1998.) We
believe that municipals  currently offer attractive value versus  Treasuries and
our outlook for municipal securities is favorable. Despite recent outperformance
we still feel that the attractive taxable equivalent yields offered by municipal
securities are compelling.

     New York State's economic rebound continues, with private sector employment
reaching an all time high,  surpassing  the record level  attained in June 1989.
The State reported a General Fund operating  surplus of $1.56 billion for fiscal
1998,  which  combined with previous  Local  Government  Assistance  Corporation
(LGAC)  bond  issuance,  eliminated  the  accumulated  deficit  and  provided an
accumulated surplus of $567 million.  Current estimates for the FY1999 operating
surplus range from $1-2 billion.  Some concerns remain on the horizon. A growing
debt burden,  tax  reductions  that require  offsetting  expenditure  cuts,  the
dependence on the financial  services sector, and a failure to build up reserves
during the economic expansion are factors that could impact the State's finances
if the economy turns  downward.  Another late budget and its highly  politicized
process limit the upside potential for the state's credit ratings.


                                       2

<PAGE>

     New York City's economy is projected to continue to expand, but at a slower
pace in 1999. In 1998,  private sector  employment  grew by 2.6%. As of February
1999, the city recovered all of the employment lost in the 1989-1992  recession.
Personal income tax collections  were up 13.7% for the first eight months of the
fiscal year. The State's comptroller is projecting a $1.6 billion budget surplus
for FY1999, following the unprecedented $2.1 billion surplus in FY1998. Like the
State,  the City has made  substantial  strides,  although  out-year budget gaps
continue to be projected.


THE TRUST'S PORTFOLIO AND INVESTMENT STRATEGY

     The Trust's portfolio is actively managed to diversify  exposure to various
sectors,  issuers,  revenue sources and security types.  BlackRock's  investment
strategy  emphasizes  a  relative  value  approach,  which  allows  the Trust to
capitalize  upon  changing  market  conditions  by rotating  municipal  sectors,
credits and coupons.

     Additionally, the Trust employs leverage to enhance its income by borrowing
at short-term  municipal  rates and  investing  the proceeds in longer  maturity
issues that have higher  yields.  The degree to which the Trust can benefit from
its use of leverage  may affect its ability to pay high monthly  income.  At the
end of the  semi-annual  period,  the Trust's  leverage  amount was 33% of total
assets.  During the past six months,  the Trust's  borrowing costs have remained
favorable.

     As municipal credit spreads remained tight during the reporting  period, we
continued to emphasize  higher rated  securities over the lower rated investment
grade  sector.  We believe that credit  spreads  will return to more  historical
levels in the near  future  and as such the Trust  should  be  rewarded  for its
higher  credit  quality bias.  The Trust has continued its bias towards  premium
coupon  securities  over discount  priced  securities,  as premium coupons offer
better price  performance  during  periods of rising  interest rates and similar
performance to discounts when interest rates fall.

     The following charts compare the Trust's current and October 31, 1998 asset
composition and credit quality allocations:


                               SECTOR BREAKDOWN

- --------------------------------------------------------------------------------
   SECTOR                APRIL 30, 1999   OCTOBER 31, 1998
- --------------------------------------------------------------------------------
  Industrial                   19%               19%
- --------------------------------------------------------------------------------
  City, State & County         17%               17%
- --------------------------------------------------------------------------------
  Lease Revenue                15%               15%
- --------------------------------------------------------------------------------
  University                    9%                9%
- --------------------------------------------------------------------------------
  Housing                       7%                7%
- --------------------------------------------------------------------------------
  Transportation                7%                7%
- --------------------------------------------------------------------------------
  School                        4%                4%
- --------------------------------------------------------------------------------
  Special Tax                   4%                4%
- --------------------------------------------------------------------------------
  Power                         4%                4%
- --------------------------------------------------------------------------------
  Resource Recovery             4%                4%
- --------------------------------------------------------------------------------
  Water & Sewer                 4%                4%
- --------------------------------------------------------------------------------
  Hospital                      3%                3%
- --------------------------------------------------------------------------------
  Sales Tax Revenue             3%                3%
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
  CREDIT RATING*         APRIL 30, 1999   OCTOBER 31, 1998
- --------------------------------------------------------------------------------
      AAA/Aaa                  38%               38%
- --------------------------------------------------------------------------------
        A/A                    55%               51%
- --------------------------------------------------------------------------------
      BBB/Baa                   7%               11%
- --------------------------------------------------------------------------------

- ----------
* Using the higher of Standard & Poor's, Moody's or Fitch's rating.

                                       3



<PAGE>

     We look  forward to  continuing  to manage  the Trust to  benefit  from the
opportunities  available to investors in the investment grade municipal  market.
We thank you for your  investment  and  continued  interest in The BlackRock New
York  Investment  Quality  Municipal  Trust  Inc.  Please  feel free to call our
marketing  center at (800)  227-7BFM  (7236) if you have any specific  questions
which were not addressed in this report.


Sincerely yours,


/s/ Robert Kapito                       /s/ Kevin Klingert
- ------------------                     --------------------
Robert Kapito                          Kevin Klingert
Vice Chairman and Portfolio Manager    Managing Director and Portfolio Manager
BlackRock Financial Management, Inc.   BlackRock Financial Management, Inc.

- --------------------------------------------------------------------------------
          THE BLACKROCK NEW YORK INVESTMENT QUALITY MUNICIPAL TRUST INC.
- --------------------------------------------------------------------------------
  Symbol on American Stock Exchange:                               RNY
- --------------------------------------------------------------------------------
  Initial Offering Date:                                     May 28, 1993
- --------------------------------------------------------------------------------
  Closing Stock Price as of 4/30/99:                          $15.625
- --------------------------------------------------------------------------------
  Net Asset Value as of 4/30/99:                              $15.46
- --------------------------------------------------------------------------------
  Yield on Closing Stock Price as of 4/30/99 ($15.625)1:        5.23%
- --------------------------------------------------------------------------------
  Current Monthly Distribution per Share2:                     $0.068125
- --------------------------------------------------------------------------------
  Current Annualized Distribution per Share2:                  $0.817500
- --------------------------------------------------------------------------------

1 Yield on Closing Stock Price is calculated by dividing the current annualized
  distribution per share by the closing stock price per share.
2 The distribution is not constant and is subject to change.


                                       4


<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK NEW YORK INVESTMENT QUALITY MUNICIPAL TRUST INC.
PORTFOLIO OF INVESTMENTS APRIL 30, 1999 (UNAUDITED)

<TABLE>
<CAPTION>
===================================================================================================================================
             Principal
              Amount                                                                                 Option Call       Value
 Rating*      (000)                                         Description                              Provisions\^     (Note 1)
- -----------------------------------------------------------------------------------------------------------------------------------
<S>       <C>                                                                          <C>              <C>
                       LONG-TERM INVESTMENTS-146.1%
                       NEW YORK-140.8%
 AAA       $ 1,000     Battery Park City Auth. Rev., Ser. A, 5.50%, 11/01/26, AMBAC ...............   11/06 at 102    $ 1,031,580
 AAA         1,000     Metropolitan Trans. Auth. Rev., Commuter Fac.,
                        Ser. M, 6.00%, 7/01/14, AMBAC .............................................. 7/03 at 101.5      1,080,480
 AAA         1,000     Nassau Cnty., G.O., Ser. U, 5.25%, 11/01/14, AMBAC .........................   11/06 at 102      1,035,810
                       New York City, G.O.,
 A-          1,000      Ser. I, 5.875%, 3/15/18 ...................................................  3/06 at 101.5      1,073,550
 A-          1,000      Ser. D, 6.60%, 2/01/04 ....................................................   No Opt. Call      1,103,990
                       New York City Ind. Dev. Agcy. Spec. Fac. Rev.,
                       Term. One Group Assoc. Proj.,
 A           1,000      6.00%, 1/01/08 ............................................................    1/04 at 102      1,073,370
 A           1,000      6.00%, 1/01/15 ............................................................    1/04 at 102      1,064,250
 A           1,000      6.10%, 1/01/09 ............................................................    1/04 at 102      1,074,020
 AAA         1,000++   New York City Mun. Wtr. Fin. Auth. Rev.,
                       Ser. A, 6.00%, 6/15/05 .....................................................       N/A           1,114,710
 AAA         1,000++   New York City Trust Cultural Res. Rev., Museum of Modern Art,
                       Ser. A, 5.50%, 1/01/21, AMBAC ..............................................    1/07 at 102      1,035,830
                       New York St. Dorm. Auth. Rev.,
 AAA         1,505++   City Univ. Sys., 6.125%, 7/01/04, AMBAC ...................................        N/A           1,687,602
 AAA         1,000++   City Univ. Sys., 6.20%, 7/01/04, AMBAC ....................................        N/A           1,124,810
 AAA         1,000      St. Univ. Edl. Fac., 5.25%, 5/15/15, AMBAC ................................   No Opt. Call      1,050,940
 A-          1,000++    St. Univ. Edl. Fac., Ser. B, 6.00%, 5/15/04 ...............................       N/A           1,113,440
 A-          1,000++    St. Univ. Edl. Fac., Ser. A, 6.25%, 5/15/03 ...............................       N/A           1,110,260
 A-          1,000++    St. Univ. Edl. Fac., Ser. B, 6.25%, 5/15/04 ...............................       N/A           1,124,770
 A+          1,185     New York St. Energy Res. & Dev. Auth. Fac. Rev.,
                        Con. Ed. Co. Proj., 6.375%, 12/01/27 .......................................  12/01 at 101      1,252,770
                       New York St. G.O.,
 A           1,000      Ser. A, 5.50%, 7/15/24 ....................................................    7/06 at 101      1,035,170
 A-          1,000      Ser. B, 5.70%, 8/15/12 ....................................................    8/05 at 102      1,080,920
 A-          1,000     New York St. Hsg. Fin. Agcy. Rev., Service Contract Oblig.,
                        Ser. A, 5.50%, 9/15/22 .....................................................   3/03 at 102      1,017,210
 A+          1,000     New York St. Local Gov't. Asst. Corp. Rev.,
                        Ser. B, 5.50%, 4/01/21 .....................................................   4/03 at 102      1,025,540
 AAA         1,000     New York St. Med. Care Fac., Fin. Agcy. Rev., St. Lukes Roosevelt Hosp.,
                       5.625%, 8/15/18, FHA .......................................................    8/03 at 102      1,033,070
 BBB+          900     New York St. Urban Dev. Corp. Rev., Youth Fac., 5.875%, 4/01/09 ............    4/04 at 102        970,956
 AAA         1,000     Port Auth. of NY & NJ, 5.70%, 10/15/20, MBIA ...............................   10/02 at 101      1,035,110
 A-          1,000     Ulster Cnty. Res. Rec. Agcy., Solid Waste Sys. Rev., 5.90%, 3/01/07 ........    3/03 at 102      1,059,650
 A1          1,000     Westchester Cnty. Ind. Dev. Agcy., Res. Rec. Rev., 5.50%, 7/01/09 ..........    7/07 at 101      1,045,520
                                                                                                                      -----------
                                                                                                                       28,455,328
                                                                                                                      -----------

</TABLE>

                       See Notes to Financial Statements.

                                       5



<PAGE>


<TABLE>
<CAPTION>
=======================================================================================================================
           Principal
            Amount                                                                          Option Call        Value
 Rating*     (000)                               Description                               Provisions\^      (Note 1)
- -----------------------------------------------------------------------------------------------------------------------
<S>       <C>        <C>                                                                <C>              <C>
                     PUERTO RICO-5.3%
 BBB+     $1,000     Puerto Rico Electric Pwr. Auth., Ser. T, 6.00%, 7/01/16 ..........    7/04 at 102    $  1,077,630
                                                                                                          ------------
                     TOTAL INVESTMENTS-146.1% (COST $26,994,738).......................                     29,532,958
                     Other assets in excess of liabilities-2.4% .......................                        480,218
                     Liquidation value of preferred stock-(48.5)% .....................                     (9,800,000)
                                                                                                          ------------
                     NET ASSETS APPLICABLE TO COMMON SHAREHOLDERS-100% ................                   $ 20,213,176
                                                                                                          ============
</TABLE>

- ----------
 *  Rating: Using the higher of Standard & Poor's, Moody's or Fitch's rating.
 +  Option call provisions: Date (month/year) and prices of the earliest
    optional call or redemption. There may be other call  provisions at  varying
    prices at later dates.
++  This bond is prerefunded. See Glossary for definition.




<TABLE>
<S>       <C>                                                 <C>      <C>
- --------------------------------------------------------------------------------------------------------------
                 THE FOLLOWING ABBREVIATIONS ARE USED IN PORTFOLIO DESCRIPTIONS:

  AMBAC   - American Municipal Bond Assurance Corporation     G.O.     - General Obligation Bond
  FHA     - Federal Housing Administration                    MBIA     - Municipal Bond Insurance Association
- ---------------------------------------------------------------------------------------------------------------
</TABLE>

                       See Notes to Financial Statements.

                                       6



<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK NEW YORK INVESTMENT
QUALITY MUNICIPAL TRUST INC.
STATEMENT OF ASSETS AND LIABILITIES
APRIL 30, 1999 (UNAUDITED)
- --------------------------------------------------------------------------------

<TABLE>
<S>                                                       <C>
ASSETS
Investments, at value (cost $26,994,738) (Note 1) .....    $29,532,958
Cash ..................................................         37,638
Interest receivable ...................................        498,294
                                                           -----------
                                                            30,068,890
                                                           -----------
LIABILITIES
Investment advisory fee payable (Note 2) ..............          8,669
Dividends payable-preferred stock .....................          4,161
Administration fee payable (Note 2) ...................          2,477
Other accrued expenses ................................         40,407
                                                           -----------
                                                                55,714
                                                           -----------
NET INVESTMENT ASSETS .................................    $30,013,176
                                                           ===========
Net investment assets were comprised of:
  Common stock:
   Par value (Note 4) .................................    $    13,071
   Paid-in capital in excess of par ...................     18,082,239
 Preferred stock (Note 4) .............................      9,800,000
                                                           -----------
                                                            27,895,310
 Undistributed net investment income ..................        226,992
 Accumulated net realized loss ........................       (647,346)
 Net unrealized appreciation ..........................      2,538,220
                                                           -----------
Net investment assets, April 30, 1999 .................    $30,013,176
                                                           ===========
Net assets applicable to common shareholders ..........    $20,213,176
                                                           ===========
Net asset value per common share:
  ($20,213,176 \d 1,307,093 shares of
  common stock issued and outstanding) ................         $15.46
                                                                ======


</TABLE>

- --------------------------------------------------------------------------------
THE BLACKROCK NEW YORK INVESTMENT
QUALITY MUNICIPAL TRUST INC.
STATEMENT OF OPERATIONS
SIX MONTHS ENDED APRIL 30, 1999 (UNAUDITED)
- --------------------------------------------------------------------------------
<TABLE>
<S>                                        <C>
NET INVESTMENT INCOME
Income
  Interest and discount earned .........   $815,366
                                           --------

Expenses
  Investment advisory ..................     52,418
  Administration .......................     14,977
  Auction agent ........................     12,000
  Directors ............................      7,000
  Reports to shareholders ..............      4,000
  Transfer agent .......................      4,000
  Audit ................................      3,500
  Legal ................................      3,000
  Custodian ............................      2,000
  Miscellaneous ........................      2,391
                                           --------
  Total expenses .......................    105,286
                                           --------
Net investment income ..................    710,080
                                           --------
UNREALIZED LOSS
ON INVESTMENTS (NOTE 3)

Net change in unrealized appreciation on
 investments ...........................   (177,402)
                                           --------
NET INCREASE IN NET INVESTMENT ASSETS
RESULTING FROM OPERATIONS ..............   $532,678
                                           ========
</TABLE>

                       See Notes to Financial Statements.

                                       7


<PAGE>


- --------------------------------------------------------------------------------
The BlackRock New York Investment Quality Municipal Trust Inc.
Statements of Changes in Net Investment Assets (Unaudited)
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                              SIX MONTHS ENDED       YEAR ENDED
                                                                                  APRIL 30,         OCTOBER 31,
                                                                                    1999                1998
                                                                             ------------------   ---------------
<S>                                                                             <C>                <C>
INCREASE (DECREASE) IN NET INVESTMENT ASSETS

Operations:

 Net investment income ...................................................      $   710,080        $  1,402,720

 Net change in unrealized appreciation (depreciation) on investments .....         (177,402)            850,599
                                                                                -----------        ------------
 Net increase in net investment assets resulting from operations .........          532,678           2,253,319
                                                                                -----------        ------------
Dividends and distributions:

 To common shareholders from net investment income .......................         (534,218)         (1,068,445)

 To preferred shareholders from net investment income ....................         (143,993)           (319,756)
                                                                                -----------        ------------
 Total dividends and distributions .......................................         (678,211)         (1,388,201)
                                                                                -----------        ------------
  Total increase (decrease) ..............................................         (145,533)            865,118

NET INVESTMENT ASSETS

Beginning of period ......................................................       30,158,709          29,293,591
                                                                                -----------        ------------
End of period ............................................................      $30,013,176        $ 30,158,709
                                                                                ===========        ============
</TABLE>


                       See Notes to Financial Statements.

                                       8



<PAGE>

- --------------------------------------------------------------------------------
The BlackRock New York Investment Quality Municipal Trust Inc.
Financial Highlights (Unaudited)
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                       SIX MONTHS ENDED
                                                                           APRIL 30,
                                                                             1999
                                                                    ----------------------
<S>                                                                 <C>
 PER SHARE OPERATING PERFORMANCE:
 Net asset value, beginning of period .............................         $ 15.58
                                                                            -------
 Net investment income ............................................             .54
 Net realized and unrealized gain (loss) on investments ...........            (.14)
                                                                            -------
 Net increase (decrease) from investment operations ...............             .40
                                                                            -------
 Dividends and Distributions:
  Dividends from net investment income to:
   Common shareholders ............................................            (.41)
   Preferred shareholders .........................................            (.11)
  Distributions in excess of net realized gain
  on investments to:
   Common shareholders ............................................               -
   Preferred shareholders .........................................               -
                                                                            -------
 Total dividends and distributions ................................            (.52)
                                                                            -------
 Net asset value, end of period* ..................................         $ 15.46
                                                                            ========
 Per share market value, end of period* ...........................         $ 15.63
                                                                            ========
 TOTAL INVESTMENT RETURN+:  .......................................            6.01%
 RATIOS TO AVERAGE NET ASSETS OF COMMON
  SHAREHOLDERS++:
 Expenses .........................................................            1.04%+++
 Net investment income before preferred stock dividends ...........            7.05%+++
 Preferred stock dividends ........................................            1.43%+++
 Net investment income available to common shareholders ...........            5.62%+++

 SUPPLEMENTAL DATA:
 Average net assets of common shareholders (in thousands) .........         $20,319
 Portfolio turnover rate ..........................................               0%
 Net assets of common shareholders, end of period
  (in thousands) ..................................................         $20,213
 Asset coverage per share of preferred stock, end of period## .....         $76,564
 Preferred stock outstanding (in thousands) .......................         $ 9,800



<CAPTION>
                                                                                  Year Ended October 31,
                                                                    --------------------------------------------------
                                                                        1998        1997         1996         1995
                                                                        ----        ----         ----         ----
<S>                                                                 <C>         <C>         <C>           <C>
 PER SHARE OPERATING PERFORMANCE:
 Net asset value, beginning of period .............................   $ 14.91     $ 14.00      $ 13.82     $  11.54
                                                                      -------     -------      -------     --------
 Net investment income ............................................      1.06        1.07         1.05        1.06
 Net realized and unrealized gain (loss) on investments ...........       .67         .90          .18        2.29
                                                                      -------     -------      -------     -------
 Net increase (decrease) from investment operations ...............      1.73        1.97         1.23        3.35
                                                                      -------     -------      -------     -------
 Dividends and Distributions:
  Dividends from net investment income to:
   Common shareholders ............................................      (.82)       (.81)        (.78)       (.79)
   Preferred shareholders .........................................      (.24)       (.25)        (.26)       (.28)
  Distributions in excess of net realized gain
  on investments to:
   Common shareholders ............................................         -          **         (.01)          -
   Preferred shareholders .........................................         -          **           **           -
                                                                      -------     --------     -------     -------
 Total dividends and distributions ................................     (1.06)      (1.06)       (1.05)      (1.07)
                                                                      -------     -------      -------     -------
 Net asset value, end of period* ..................................   $ 15.58     $ 14.91      $ 14.00     $ 13.82
                                                                      =======     =======      =======     =======
 Per share market value, end of period* ...........................   $ 15.13     $ 14.25      $ 12.625    $ 12.75
                                                                      =======     =======      =======     =======
 TOTAL INVESTMENT RETURN+:  .......................................     11.85%      19.89%        5.43%      29.94%
 RATIOS TO AVERAGE NET ASSETS OF COMMON
  SHAREHOLDERS++:
 Expenses .........................................................      1.15%       1.24%        1.37%       1.37%
 Net investment income before preferred stock dividends ...........      7.02%       7.52%        7.63%       8.34%
 Preferred stock dividends ........................................      1.60%       1.76%        1.91%       2.19%
 Net investment income available to common shareholders ...........      5.42%       5.76%        5.72%       6.15%
 SUPPLEMENTAL DATA:
 Average net assets of common shareholders (in thousands) .........   $19,980     $18,608      $17,904     $16,545
 Portfolio turnover rate ..........................................         0%         14%          79%        129%
 Net assets of common shareholders, end of period
  (in thousands) ..................................................   $20,359     $19,494      $18,294     $18,068
 Asset coverage per share of preferred stock, end of period## .....   $76,935     $74,739      $71,668     $71,091
 Preferred stock outstanding (in thousands) .......................   $ 9,800     $ 9,800      $ 9,800     $ 9,800



<CAPTION>
                                                                         1994
                                                                         ----
<S>                                                                  <C>
 PER SHARE OPERATING PERFORMANCE:
 Net asset value, beginning of period .............................   $  14.52
                                                                      --------
 Net investment income ............................................       1.03
 Net realized and unrealized gain (loss) on investments ...........      (3.03)
                                                                      --------
 Net increase (decrease) from investment operations ...............      (2.00)
                                                                      --------
 Dividends and Distributions:
  Dividends from net investment income to:
   Common shareholders ............................................       (.79)
   Preferred shareholders .........................................       (.19)
  Distributions in excess of net realized gain
  on investments to:
   Common shareholders ............................................          -
   Preferred shareholders .........................................          -
                                                                      --------
 Total dividends and distributions ................................       (.98)
                                                                      --------
 Net asset value, end of period* ..................................   $  11.54
                                                                      ========
 Per share market value, end of period* ...........................   $  10.50
                                                                      ========
 TOTAL INVESTMENT RETURN+:  .......................................     (18.56%)
 RATIOS TO AVERAGE NET ASSETS OF COMMON
  SHAREHOLDERS++:
 Expenses .........................................................       1.29%
 Net investment income before preferred stock dividends ...........       7.76%
 Preferred stock dividends ........................................       1.46%
 Net investment income available to common shareholders ...........       6.30%
 SUPPLEMENTAL DATA:
 Average net assets of common shareholders (in thousands) .........   $ 17,274
 Portfolio turnover rate ..........................................         71%
 Net assets of common shareholders, end of period
  (in thousands) ..................................................   $ 15,085
 Asset coverage per share of preferred stock, end of period## .....   $126,963
 Preferred stock outstanding (in thousands) .......................   $  9,800
</TABLE>

- ----------
  *    Net asset value and market value are published in The Wall Street Journal
       each Monday.
 **    Actual amount paid to preferred  shareholders  for the year ended October
       31,  1996 was $.0034 per common  share.  Actual  amount paid for the year
       ended October 31, 1997 to common shareholders was $0.004417 per share and
       to preferred shareholders was $0.001476 per common share.
 ##    A stock split occurred on July 24, 1995 (Note 4).
  +    Total investment return is calculated assuming a purchase of common stock
       at the  current  market  value on the first day and a sale at the current
       market  price  on the  last  day of each  year  reported.  Dividends  and
       distributions  are  assumed  for  purposes  of  this  calculation  to  be
       reinvested at prices  obtained  under the Trust's  dividend  reinvestment
       plan. This calculation does not reflect brokerage commissions.
 ++    Ratios are  calculated  on the basis of income,  expenses  and  preferred
       stock  dividends  applicable  to both the  common  and  preferred  shares
       relative to the average net assets of common shareholders.
+++    Annualized.

The information above represents the unaudited operating  performance data for a
share of common stock outstanding,  total investment  return,  ratios to average
net  assets  and  other  supplemental  data  for  the  periods  indicated.  This
information has been determined based upon financial information provided in the
financial statements and market value data for the Trust's common shares.


                       See Notes to Financial Statements.


                                       9



<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK NEW YORK INVESTMENT
QUALITY MUNICIPAL TRUST INC.
NOTES TO FINANCIAL STATEMENTS (UNAUDITED)
- --------------------------------------------------------------------------------

NOTE 1. ORGANIZATION &             The  BlackRock  New  York  Investment Quality
ACCOUNTING                         Accounting Municipal Trust Inc. (the "Trust")
POLICIES                           was organized in Maryland  on April  12, 1993
                                   as a non-diversified,  closed-end  management
investment company. The Trust's investment objective is to manage a portfolio of
high quality  securities while providing high current income exempt from regular
federal  and New York  state  income tax  consistent  with the  preservation  of
capital.  The  ability of issuers of debt  securities  held by the Trust to meet
their  obligations  may be  affected by economic  developments  in the state,  a
specific  industry  or  region.  No  assurance  can be given  that  the  Trust's
investment objective will be achieved.

     The following is a summary of significant  accounting  policies followed by
the Trust.

SECURITIES VALUATION:  Municipal securities  (including  commitments to purchase
such  securities  on a  "when-issued"  basis)  are valued on the basis of prices
provided  by  a  pricing  service  which  uses   information   with  respect  to
transactions  in bonds,  quotations  from bond dealers,  market  transactions in
comparable   securities  and  various   relationships   between   securities  in
determining values. Any securities or other assets for which such current market
quotations  are not readily  available are valued at fair value as determined in
good faith under procedures established by and under the general supervision and
responsibility of the Trust's Board of Directors.

     Short-term  securities  which  mature  in more  than 60 days are  valued at
current market quotations. Short-term securities which mature in 60 days or less
are valued at amortized cost, if their term to maturity from date of purchase is
60 days or less, or by amortizing their value on the 61st day prior to maturity,
if their original term to maturity from date of purchase exceeded 60 days.

SECURITIES  TRANSACTIONS  AND INVESTMENT  INCOME:  Securities  transactions  are
recorded  on the trade  date.  Realized  and  unrealized  gains and  losses  are
calculated  on the  identified  cost basis.  Interest  income is recorded on the
accrual basis. The Trust accretes  original issue discounts or amortizes premium
on securities purchased using the interest method.

FEDERAL INCOME TAXES: For federal income tax purposes, the Trust is treated as a
separate taxpaying entity. It is the intent of the Trust to continue to meet the
requirements  of the Internal  Revenue Code  applicable to regulated  investment
companies  and to  distribute  all of its net income to  shareholders.  For this
reason and because  substantially  all of the Trust's  gross income  consists of
tax-exempt interest, no federal income tax provision is required.

DIVIDENDS  AND  DISTRIBUTIONS:   The  Trust  declares  and  pays  dividends  and
distributions to common  shareholders  monthly from net investment  income,  net
realized short-term capital gains and other sources, if necessary. Net long-term
capital  gains,  if any,  in excess  of loss  carryforwards  may be  distributed
annually.  Dividends and  distributions  are recorded on the  ex-dividend  date.
Dividends and distributions to preferred shareholders are accrued and determined
as described in Note 4.

ESTIMATES:  The preparation of financial statements in conformity with generally
accepted  accounting  principles  requires  management  to  make  estimates  and
assumptions  that  affect the  reported  amounts of assets and  liabilities  and
disclosure of  contingent  assets and  liabilities  at the date of the financial
statements  and the  reported  amounts  of  revenues  and  expenses  during  the
reporting period. Actual results could differ from those estimates.


NOTE 2. AGREEMENTS                The Trust has an Investment Advisory Agreement
                                  with  BlackRock  Financial  Management,  Inc.,
(The  "Adviser"),  a wholly-owned  corporate  subsidiary of BlackRock  Advisors,
Inc., which is an indirect  majority-owned  subsidiary of PNC Bank, N.A., and an
Administration   Agreement  with  Prudential  Investments  Fund  Management  LLC
("PIFM"),  an indirect,  wholly-owned  subsidiary  of The  Prudential  Insurance
Company of America.

     The  investment  fee paid to the  Adviser is  computed  weekly and  payable
monthly at an annual rate of 0.35% of the Trust's  average weekly net investment
assets.  The administration fee paid to PIFM is also computed weekly and payable
monthly at an annual rate of 0.10% of the Trust's  average weekly net investment
assets.

     Pursuant to the agreements,  the Adviser provides continuous supervision of
the investment  portfolio and pays the compensation of officers of the Trust who
are affiliated persons of the Adviser.  PIFM pays occupancy and certain clerical
and accounting costs of the Trust. The Trust bears all other costs and expenses.


                                       10



<PAGE>

NOTE 3. PORTFOLIO                 There were no purchases or sales of investment
SECURITIES                        securities, other than short-term investments,
for the period ended April 30, 1999.

     The federal  income tax basis of the Trust's  investments at April 30, 1999
was  substantially   the  same  as  the  basis  for  financial   reporting  and,
accordingly, net and gross unrealized appreciation was $2,538,220.

     For federal income tax purposes,  the Trust had a capital loss carryforward
at October 31, 1998 of  approximately  $647,000 of which $448,000 will expire in
2002  and  $199,000  will  expire  in  2003.   Accordingly,   no  capital  gains
distribution  is expected to be paid to  shareholders  until net gains have been
realized in excess of such amount.


NOTE 4. CAPITAL                   There are 200 million shares of $.01 par value
                                  common  stock  authorized.  Of  the  1,307,093
shares  outstanding  at April 30, 1999,  the Adviser owned 7,093  shares.  As of
April 30, 1999 there were 392 shares of Preferred Stock Series F7 outstanding.

     The Trust may classify or  reclassify  any unissued  shares of common stock
into  one or more  series  of  preferred  stock.  On July  29,  1993  the  Trust
reclassified  196 shares of common  stock and issued a series of Auction  Market
Preferred  Stock  ("Preferred  Stock")  Series  F7.  The  Preferred  Stock had a
liquidation  value  of  $50,000  per  share  plus  any  accumulated  but  unpaid
dividends.  On May 16, 1995 shareholders approved a proposal to split each share
of  preferred  stock into two  shares and  simultaneously  reduce  each  share's
liquidation  preference  from $50,000 to $25,000 plus any accumulated but unpaid
dividends. The stock split occurred on July 24, 1995.

     Dividends on Series F7 are cumulative at a rate  established at the initial
public  offering and are typically reset every 7 days based on the results of an
auction. Dividend rates ranged from 2.60% to 3.50% during the period ended April
30, 1999.

     The Trust may not declare  dividends or make other  distributions on shares
of common stock or purchase any such shares if, at the time of the  declaration,
distribution,  or  purchase,  asset  coverage  with  respect to the  outstanding
Preferred Stock would be less than 200%.

     The Preferred  Stock is redeemable at the option of the Trust,  in whole or
in part, on any dividend  payment date at $25,000 per share plus any accumulated
or unpaid dividends whether or not declared. The Preferred Stock is also subject
to  mandatory  redemption  at $25,000 per share plus any  accumulated  or unpaid
dividends,  whether or not  declared  if certain  requirements  relating  to the
composition  of the  assets  and  liabilities  of the  Trust as set forth in the
Articles of Incorporation are not satisfied.

     The holders of Preferred  Stock have voting  rights equal to the holders of
common stock (one vote per share) and will vote  together with holders of shares
of common stock as a single class. However,  holders of Preferred Stock are also
entitled to elect two of the Trust's  directors.  In  addition,  the  Investment
Company Act of 1940 requires that along with approval by stockholders that might
otherwise  be  required,  the  approval  of the  holders  of a  majority  of any
outstanding  preferred shares, voting separately as a class would be required to
(a) adopt any plan of  reorganization  that would adversely affect the preferred
shares and (b) take any action requiring a vote of security holders,  including,
among other  things,  changes in the Trust's  subclassification  as a closed-end
investment company or changes in its fundamental investment restrictions.


NOTE 5. DIVIDENDS                 Subsequent  to  April 30, 1999, the  Board  of
                                  Directors  of  the  Trust  declared a dividend
from undistributed earnings of $.068125 per common share payable May 28, 1999 to
shareholders of record on May 14, 1999.

     For the period May 1, 1999 to May 31, 1999, dividends declared on Preferred
Stock totalled $27,561 in aggregate for the outstanding Preferred Stock.


                                       11


<PAGE>

- --------------------------------------------------------------------------------
         THE BLACKROCK NEW YORK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                           DIVIDEND REINVESTMENT PLAN
- --------------------------------------------------------------------------------

     Pursuant  to  the  Trust's   Dividend   Reinvestment   Plan  (the  "Plan"),
shareholders are  automatically  enrolled to have all distributions of dividends
and capital  gains  reinvested by State Street Bank and Trust Company (the "Plan
Agent") in Trust  shares  pursuant  to the Plan.  Shareholders  who elect not to
participate in the Plan will receive all  distributions in cash paid by check in
United States dollars mailed  directly to the  shareholders of record (or if the
shares are held in street or other  nominee  name,  then to the  nominee) by the
Transfer Agent, as dividend disbursing agent.

     The Plan Agent serves as agent for the  shareholders in  administering  the
Plan.  After the Trust  declares a dividend or determines to make a capital gain
distribution,  the Plan Agent will, as agent for the  participants,  receive the
cash  payment and use it to buy Trust  shares in the open market on the American
Stock Exchange or elsewhere for the participants'  accounts.  The Trust will not
issue any new shares under the Plan.

     Participants  in the Plan may withdraw from the Plan upon written notice to
the Plan Agent and will receive  certificates  for whole Trust shares and a cash
payment for any fraction of a Trust share.

     The Plan Agent's fees for the handling of the reinvestment of dividends and
distributions  will be paid by the Trust.  However,  each participant will pay a
pro rata  share of  brokerage  commissions  incurred  with  respect  to the Plan
Agent's open market  purchases in connection with the  reinvestment of dividends
and  distributions.  The automatic  reinvestment of dividends and  distributions
will not relieve  participants  of any federal income tax that may be payable on
such dividends or distributions.

     The Trust  reserves the right to amend or terminate  the Plan as applied to
any dividend or  distribution  paid  subsequent to written  notice of the change
sent to all  shareholders  of the Trust at least 90 days  before the record date
for the dividend or distribution.  The Plan also may be amended or terminated by
the Plan Agent upon at least 90 days' written notice to all  shareholders of the
Trust.  All  correspondence  concerning  the Plan should be directed to the Plan
Agent at (800) 699-1BFM. The address is on the front of this report.


                                       12



<PAGE>

- --------------------------------------------------------------------------------
         THE BLACKROCK NEW YORK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                             ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------

     YEAR 2000  READINESS  DISCLOSURE.  The Trust is currently in the process of
evaluating its information  technology  infrastructure for Year 2000 compliance.
Substantially  all  of the  Trust's  information  systems  are  supplied  by the
Adviser.  The  Adviser has  advised  the Trust that it is  currently  evaluating
whether such systems are year 2000  compliant and that it expects to incur costs
of up to approximately five hundred thousand dollars to complete such evaluation
and to make any modifications to its systems as may be necessary to achieve Year
2000 compliance.  The Adviser has advised the Trust that it has fully tested its
systems for Year 2000 compliance. The Trust may be required to bear a portion of
such cost  incurred by the Adviser in this  regard.  The Adviser has advised the
Trust that it does not anticipate  any material  disruption in the operations of
the  Trust as a result  of any  failure  by the  Adviser  to  achieve  Year 2000
compliance.  There can be no assurance that the costs will not exceed the amount
referred  to  above or that  the  Trust  will not  experience  a  disruption  in
operations.

     The Adviser  has advised the Trust that it is in the process of  evaluating
the Year 2000 compliance of various  suppliers of the Adviser and the Trust. The
Adviser has advised the Trust that it has  communicated  with such  suppliers to
determine their Year 2000 compliance  status and the extent to which the Adviser
or the Trust could be affected by any supplier's Year 2000 compliance issues. To
date the Adviser has received  responses from all such suppliers with respect to
their Year 2000  compliance,  and there can be no assurance  that the systems of
such suppliers, who are beyond the Trust's control, will be Year 2000 compliant.
In the event that any of the Trust's  significant  suppliers do not successfully
and timely  achieve Year 2000  compliance,  the Trust's  business or  operations
could be adversely affected. The Adviser has advised the Trust that it is in the
process  of  preparing  a  contingency  plan for  Year  2000  compliance  by its
suppliers.  There  can be no  assurance  that  such  contingency  plan  will  be
successful in preventing a disruption of the Trust's operations.

     The  Trust  is  designating  this  disclosure  as its Year  2000  readiness
disclosure  for all  purposes  under the Year  2000  Information  and  Readiness
Disclosure  Act and the  foregoing  information  shall  constitute  a Year  2000
statement for purposes of that Act.

     ANNUAL MEETING OF TRUST  SHAREHOLDERS.  There have been no material changes
in the Trust's investment  objectives or policies that have not been approved by
the  shareholders  or to its charter or by-laws or in the principal risk factors
associated  with  investment  in the  Trust.  There  have been no changes in the
persons who are  primarily  responsible  for the  day-to-day  management  of the
Trust's portfolio.

     The Annual Meeting of Trust Shareholders was held  May 19,  1999 to vote on
the following matters:

     (1) To elect three Directors as follows:


<TABLE>
<CAPTION>
         DIRECTOR                           CLASS    TERM      EXPIRING
         ---------                          -----    ----      --------
<S>                                           <C>    <C>         <C>
         Frank J. Fabozzi ..............      II     3 years      2002
         Walter F. Mondale .............      II     3 years      2002
         Ralph L. Schlosstein ..........      II     3 years      2002

</TABLE>

         Directors whose term of office continues beyond this meeting are Andrew
         F. Brimmer, James Clayburn La Force, Jr., Kent Dixon, Laurence D. Fink,
         James Grosfeld and Richard E. Cavanagh.

     (2) To ratify the selection of Deloitte & Touche LLP as independent  public
         accountants  of the Trust for the fiscal year ending October  31, 1999.

         Shareholders elected the three Directors and ratified the  selection of
         Deloitte & Touche LLP. The results of the voting was as follows:

<TABLE>
<CAPTION>
                                                             VOTES FOR*     VOTES AGAINST*     ABSTENTIONS*
                                                           ------------    ---------------   --------------
<S>                                                          <C>                <C>               <C>
         Frank J. Fabozzi ...............................          390            -                 -
         Walter F. Mondale ..............................    1,079,501            -               9,855
         Ralph L. Schlosstein ...........................    1,082,293            -               7,063
         Ratification of Deloitte & Touche LLP ..........    1,076,712          5,523             7,121
</TABLE>

- ----------
*The votes represent common and preferred shareholders voting as a single class
except for the election of Frank J. Fabozzi who was elected by the preferred
shareholders.


                                       13



<PAGE>

- --------------------------------------------------------------------------------
         THE BLACKROCK NEW YORK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                               INVESTMENT SUMMARY
- --------------------------------------------------------------------------------
THE TRUST'S INVESTMENT OBJECTIVE

The BlackRock New York Investment Quality Municipal Trust's investment objective
is to provide high current  income exempt from regular  federal,  state and city
income tax consistent with the preservation of capital.

WHO MANAGES THE TRUST?

BlackRock  Financial  Management,   Inc.   ("BlackRock")  is  an  SEC-registered
investment  adviser.  BlackRock and its  affiliates  currently  manage over $141
billion  on behalf of  taxable  and  tax-exempt  clients  worldwide.  Strategies
include  fixed  income,  equity and cash and may  incorporate  both domestic and
international   securities.   Domestic  fixed  income  strategies   utilize  the
government,  mortgage,  corporate and municipal bond sectors.  BlackRock manages
twenty-one  closed-end  funds that are traded on either the New York or American
stock  exchanges,  and a $25 billion  family of open-end  equity and bond funds.
Current accounts number over 450, domiciled in the United States and overseas.


WHAT CAN THE TRUST INVEST IN?

Under normal  conditions,  the Trust expects to continue to manage its assets so
that at least 80% of its investments are rated at least  investment grade ("BBB"
by Standard & Poor's or "Baa" by Moody's Investor Services) and up to 20% of its
assets may instead be deemed to be of equivalent  credit quality by the Adviser.
The Trust  intends to invest  substantially  all of the assets in a portfolio of
investment grade New York Municipal Obligations,  which include debt obligations
issued by or on behalf of the State, its political  subdivisions  (including the
City),  agencies and  instrumentalities and by other qualifying issuers that pay
interest which, in the opinion of the bond counsel of the issuer, is exempt from
regular Federal,  State and City income tax. New York Municipal  Obligations may
be  issued  to  obtain  funds  for  various  public   purposes,   including  the
construction of such public facilities as airports,  bridges, highways, housing,
hospitals,  mass transportation,  schools, streets, water and sewer works. Other
public  purposes for which New York Municipal  Obligations may be issued include
the  refinancing  of  outstanding  obligations  and the  obtaining  of funds for
general  operating  expenses  and for  loans to other  public  institutions  and
facilities.


WHAT IS THE ADVISER'S INVESTMENT STRATEGY?

The Adviser will manage the assets of the Trust in  accordance  with the Trust's
investment  objective and policies to seek to achieve its objective by investing
in investment grade New York Municipal  Obligations or other qualifying issuers.
The Adviser  actively  manages the assets in relation to market  conditions  and
interest   rate   changes.   Depending   on  yield  and   portfolio   allocation
considerations, the Adviser may choose to invest a portion of the Trust's assets
in  securities  which pay interest that is subject to AMT  (alternative  minimum
tax).  The  Trust  intends  to  emphasize  investments  in  New  York  Municipal
Obligations  with  long-term  maturities  and  expects  to  maintain  an average
portfolio  maturity of 15-20 years, but the average maturity may be shortened or
lengthened from time to time depending on market conditions.

Under current market conditions the use of leverage  increases the income earned
by the Trust.  The Trust  employs  leverage  primarily  through the  issuance of
preferred  stock.   Preferred  stockholders  will  receive  dividends  based  on
short-term rates in exchange for allowing the Trust to borrow additional assets.
These assets will be invested in longer-term assets which typically offer higher
interest  rates and the  difference  between the cost of the  dividends  paid to
preferred  stockholders  and the interest earned on the  longer-term  securities
will provide higher income levels for common  stockholders in most interest rate
environments.  The Trust issued  preferred  stock to leverage  the  portfolio at
approximately  35% of total assets.  See "Leverage  Considerations in the Trust"
below.


HOW ARE THE TRUST'S SHARES PURCHASED AND SOLD? DOES THE TRUST PAY DIVIDENDS
REGULARLY?

The Trust's  shares are traded on the American  Stock  Exchange  which  provides
investors with  liquidity on a daily basis.  Orders to buy or sell shares of the
Trust must be placed through a registered broker or financial advisor. The Trust
pays monthly  dividends which are typically paid on the last business day of the
month. For shares held in the shareholder's name, dividends


                                       14



<PAGE>

may be reinvested in additional  shares of the fund through the Trust's transfer
agent, State Street Bank and Trust Company. Investors who wish to hold shares in
a brokerage  account  should  check with their  financial  advisor to  determine
whether their brokerage firm offers dividend reinvestment services.


LEVERAGE CONSIDERATIONS IN THE TRUST

Leverage  increases  the duration (or price  sensitivity  of the net assets with
respect to changes  in  interest  rates) of the  Trust,  which can  improve  the
performance  of the Trust in a  declining  rate  environment,  but can cause net
assets to decline  faster in a rapidly  rising  interest rate  environment.  The
Trust may reduce,  or unwind,  the amount of leverage  employed should BlackRock
consider that  reduction to be in the best  interests of the Trust.  BlackRock's
portfolio managers  continuously monitor and regularly review the Trust's use of
leverage  and  maintain  the  ability to unwind the  leverage  if that course is
chosen.


SPECIAL CONSIDERATIONS AND RISK FACTORS RELEVANT TO THE TRUST

THE TRUST IS INTENDED TO BE A LONG-TERM INVESTMENT AND IS NOT A SHORT-TERM
TRADING VEHICLE.

INVESTMENT  OBJECTIVE.  Although  the  objective of the Trust is to provide high
current income exempt from regular Federal, State and City income tax consistent
with the preservation of capital,  there can be no assurance that this objective
will be achieved.

DIVIDEND  CONSIDERATIONS.  The income and dividends paid by the Trust are likely
to vary over time as fixed income market conditions change. Future dividends may
be higher or lower than the dividend the Trust is currently paying.

LEVERAGE.  The Trust utilizes leverage through preferred stock, which involves
special risks. The Trust's net asset value and market value may be more
volatile due to its use of leverage.

MARKET PRICE OF SHARES. The shares of closed-end investment companies such as
the Trust trade on the American Stock Exchange (AMEX symbol: RNY) and as such
are subject to supply and demand influences. As a result, shares may trade at a
discount or a premium to their net asset value.

INVESTMENT GRADE MUNICIPAL OBLIGATIONS.  The value of municipal debt securities
generally varies inversely with changes in prevailing market interest rates.
Depending on the amount of call protection that the securities in the Trust
have, the Trust may be subject to certain reinvestment risks in environments of
declining interest rates.

ILLIQUID SECURITIES. The Trust may invest in securities that are illiquid,
although under current market conditions the Trust expects to do so to only a
limited extent. These securities involve special risks.

ANTITAKEOVER PROVISIONS.  Certain antitakeover provisions will make a change in
the Trust's business or management more difficult without the approval of the
Trust's Board of Directors and may have the effect of depriving shareholders of
an opportunity to sell their shares at a premium above the prevailing market
price.


                                       15



<PAGE>

- --------------------------------------------------------------------------------
         THE BLACKROCK NEW YORK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                                    GLOSSARY
- --------------------------------------------------------------------------------

<TABLE>
<S>                      <C>
CLOSED-END FUND:         Investment  vehicle  which  initially  offers  a  fixed
                         number of shares  and trades on a stock  exchange.  The
                         fund invests in a portfolio of securities in accordance
                         with its stated investment objectives and policies.

DISCOUNT:                When a fund's net asset value is greater than its stock
                         price the fund is said to be trading at a discount.

DIVIDEND:                Income  generated  by  securities  in a  portfolio  and
                         distributed  to  shareholders  after the  deduction  of
                         expenses.  This Trust  declares  and pays  dividends to
                         common shareholders on a monthly basis.

DIVIDEND REINVESTMENT:   Shareholders  may have all dividends and  distributions
                         of  capital   gains   automatically   reinvested   into
                         additional shares of a fund.

MARKET PRICE:            Price per share of a security  trading in the secondary
                         market.  For a  closed-end  fund,  this is the price at
                         which  one  share  of the  fund  trades  on  the  stock
                         exchange.  If you were to buy or sell shares, you would
                         pay or receive the market price.

NET ASSET VALUE (NAV):   Net  asset  value  is the  total  market  value  of all
                         securities  and other  assets  held by the Trust,  plus
                         income   accrued   on  its   investments,   minus   any
                         liabilities including accrued expenses,  divided by the
                         total  number  of   outstanding   shares.   It  is  the
                         underlying  value of a single share on a given day. Net
                         asset  value for the  Trust is  calculated  weekly  and
                         published in Barron's on  Saturday,  The New York Times
                         and The Wall Street Journal on Monday.

PREMIUM:                 When a fund's stock price is greater than its net asset
                         value, the fund is said to be trading at a premium.

PREREFUNDED BONDS:       These securities are collateralized by U.S.  Government
                         securities which are held in escrow and are used to pay
                         principal  and  interest  on the tax  exempt  issue and
                         retire  the  bond  in  full  at  the  date   indicated,
                         typically at a premium to par.

</TABLE>


                                       16



<PAGE>

- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                          SUMMARY OF CLOSED-END FUNDS
- --------------------------------------------------------------------------------



TAXABLE TRUSTS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                 STOCK      MATURITY
                                                                SYMBOL        DATE
- -------------------------------------------------------------------------------------
PERPETUAL TRUSTS
<S>                                                             <C>          <C>
The BlackRock Income Trust Inc.                                   BKT         N/A
The BlackRock North American Government Income Trust Inc.         BNA         N/A
The BlackRock High Yield Trust                                    BHY         N/A

TERM TRUSTS
The BlackRock 1999 Term Trust Inc.                                BNN        12/99
The BlackRock Target Term Trust Inc.                              BTT        12/00
The BlackRock 2001 Term Trust Inc.                                BLK        06/01
The BlackRock Strategic Term Trust Inc.                           BGT        12/02
The BlackRock Investment Quality Term Trust Inc.                  BQT        12/04
The BlackRock Advantage Term Trust Inc.                           BAT        12/05
The BlackRock Broad Investment Grade 2009 Term Trust Inc.         BCT        12/09
</TABLE>

Tax-Exempt Trusts
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                       STOCK      MATURITY
                                                                       SYMBOL       DATE
- -------------------------------------------------------------------------------------------
PERPETUAL TRUSTS
<S>                                                                  <C>         <C>
The BlackRock Investment Quality Municipal Trust Inc.                   BKN         N/A
The BlackRock California Investment Quality Municipal Trust Inc.        RAA         N/A
The BlackRock Florida Investment Quality Municipal Trust                RFA         N/A
The BlackRock New Jersey Investment Quality Municipal Trust Inc.        RNJ         N/A
The BlackRock New York Investment Quality Municipal Trust Inc.          RNY         N/A

TERM TRUSTS
The BlackRock Municipal Target Term Trust Inc.                          BMN        12/06
The BlackRock Insured Municipal 2008 Term Trust Inc.                    BRM        12/08
The BlackRock California Insured Municipal 2008 Term Trust Inc.         BFC        12/08
The BlackRock Florida Insured Municipal 2008 Term Trust                 BRF        12/08
The BlackRock New York Insured Municipal 2008 Term Trust Inc.           BLN        12/08
The BlackRock Insured Municipal Term Trust Inc.                         BMT        12/10
</TABLE>

IF YOU WOULD LIKE FURTHER INFORMATION PLEASE DO NOT HESITATE TO CALL BLACKROCK
                           AT (800) 227-7BFM (7236)
                    OR CONSULT WITH YOUR FINANCIAL ADVISOR.

                                       17



<PAGE>

- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                                  AN OVERVIEW
- --------------------------------------------------------------------------------

     BlackRock  Financial  Management,  Inc.  ("BlackRock") is an SEC-registered
investment  adviser.  BlackRock and its  affiliates  currently  manage over $141
billion  on behalf of  taxable  and  tax-exempt  clients  worldwide.  Strategies
include  fixed  income,  equity and cash and may  incorporate  both domestic and
international securities. BlackRock manages twenty-one closed-end funds that are
traded on either the New York or  American  stock  exchanges,  and a $25 billion
family of open-end  equity and bond  funds.  Current  accounts  number over 450,
domiciled in the United States and overseas.

     BlackRock's fixed income product was introduced in 1988 by a team of highly
seasoned  fixed  income   professionals.   These   professionals  had  extensive
experience   creating,   analyzing   and  trading  a  variety  of  fixed  income
instruments,  including the most complex structured securities. In fact, several
individuals  at BlackRock  were  responsible  for  developing  many of the major
innovations  in  the  mortgage-backed   and  asset-backed   securities  markets,
including   the  creation  of  the  first  CMO,  the  floating   rate  CMO,  the
senior/subordinated pass-through and the multi-class asset-backed security.

     BlackRock  is unique  among  asset  management  and  advisory  firms in the
emphasis it places on the  development of proprietary  analytical  capabilities.
Over one  quarter  of the  firm's  professionals  is  dedicated  to the  design,
maintenance  and use of these  systems,  which are not  otherwise  available  to
investors. BlackRock's proprietary analytical tools are used for evaluating, and
designing fixed income investment  strategies for client portfolios.  Securities
purchased include mortgages,  corporate bonds,  municipal bonds and a variety of
hedging instruments.

     BlackRock  has  developed  investment  products  that respond to investors'
needs and has been  responsible  for several  major  innovations  in  closed-end
funds. In fact,  BlackRock  introduced the first  closed-end  mortgage fund, the
first taxable and tax-exempt  closed-end funds to offer a finite term, the first
closed-end  fund to  achieve a AAA rating by  Standard  & Poor's,  and the first
closed-end  fund to invest  primarily in North American  Government  securities.
Currently,  BlackRock's closed-end funds have dividend reinvestment plans, which
are designed to provide  ongoing  demand for the stock in the secondary  market.
BlackRock  manages a wide range of  investment  vehicles,  each having  specific
investment objectives and policies.

     In view of our  continued  desire to provide a high level of service to all
our shareholders, BlackRock maintains a toll-free number for your questions. The
number is (800) 227-7BFM (7236).  We encourage you to call us with any questions
that you may have about your BlackRock  funds and we thank you for the continued
trust that you place in our abilities.



                     IF YOU WOULD LIKE FURTHER INFORMATION
           PLEASE DO NOT HESITATE TO CALL BLACKROCK AT (800) 227-7BFM

                                       18



<PAGE>

- --------------
  BLACKROCK
- --------------

DIRECTORS
Laurence D. Fink, CHAIRMAN
Andrew F. Brimmer
Richard E. Cavanagh
Kent Dixon
Frank J. Fabozzi
James Grosfeld
James Clayburn La Force, Jr.
Walter F. Mondale
Ralph L. Schlosstein

OFFICERS
Ralph L. Schlosstein, PRESIDENT
Keith T. Anderson, VICE PRESIDENT
Michael C. Huebsch, VICE PRESIDENT
Robert S. Kapito, VICE PRESIDENT
Kevin Klingert, VICE PRESIDENT
Richard M. Shea, VICE PRESIDENT/TAX
Henry Gabbay, TREASURER
James Kong, ASSISTANT TREASURER
Karen H. Sabath, SECRETARY

INVESTMENT ADVISER
BlackRock Financial Management, Inc.
345 Park Avenue
New York, NY 10154
(800) 227-7BFM

ADMINISTRATOR
Prudential Investments Fund Management LLC
Gateway Center Three
100 Mulberry Street
Newark, NJ 07102-4077

CUSTODIAN AND TRANSFER AGENT
State Street Bank and Trust Company
One Heritage Drive
North Quincy, MA 02171
(800) 699-1BFM

AUCTION AGENT
Bankers Trust Company
4 Albany Street
New York, NY 10006

INDEPENDENT AUDITORS
Deloitte & Touche LLP
Two World Financial Center
New York, NY 10281-1434

LEGAL COUNSEL
Skadden, Arps, Slate, Meagher & Flom LLP
919 Third Avenue
New York, NY 10022
     The accompanying financial statements as of April 30, 1999 were not
audited and accordingly, no opinion is expressed on them.

 This report is for shareholder information. This is not a prospectus intended
for use in the purchase or sale of any securities.

                       THE BLACKROCK NEW YORK INVESTMENT
                          QUALITY MUNICIPAL TRUST INC.
                c/o Prudential Investments Fund Management LLC
                              Gateway Center Three
                              100 Mulberry Street
                             Newark, NJ 07102-4077
                                 (800) 227-7BFM



- --------------------------------------------------------------------------------
THE BLACKROCK
NEW YORK
INVESTMENT QUALITY
MUNICIPAL TRUST INC.
- --------------------------------------------------------------------------------
SEMI-ANNUAL REPORT
APRIL 30, 1999


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