Report 
 
      
Registrant:   Van Kampen Senior Income Trust — List all N-SARs

Annual Report for the 2nd-half period ended at fiscal year end:  7/31/98

Were there any Answer File errors in the Filing?  None FoundNone Found by SEC InfoNot Checked by the FilerOne or more Found by SEC Info
Was the Answer File completed by the Registrant?  Yes

Is this an Amendment to a previous Report?  No
Is this a change to a previous Report?      No
 
Registrant 
 
 1.
SEC CIK:      853180
SEC File #:   811-05845

Telephone #:  630-684-6000
 
 2.
Address:      One Parkview Plaza
              Oakbrook Terrace, IL  60181
 
 3.
Is this the first Form N-SAR filed by the Registrant?  Yes
 
 4.
Is this the final Form N-SAR filed by the Registrant?  No
 
 
Funds/Series 
↑Top of Form N-SAR 
     
                                                                               
 7.
Is the Registrant a Funds/Series (multiple portfolios) company?  No
 
Investment Adviser 
 
 8.1
Name:         Van Kampen Investment Advisory
Role:         Adviser
SEC File #:   801-18161
Location:     Oakbrook Terrace, IL
 
Administrator 
 
10.1
Name:         Van Kampen Funds Inc.
SEC File #:   008-19412
Location:     Oakbrook Terrace, IL
 
Principal Underwriter 
 
11.1
Name:         Prudential Bache Securities Inc.
SEC File #:   008-27154
Location:     New York, NY
 
Shareholder Servicing/Transfer Agent 
 
12.1
Name:         Van Kampen Investor Services Inc.
SEC File #:   084-01621
Location:     Kansas City, MO
 
Independent Public Accountant 
 
13.1
Name:         KPMG Peat Marwick LLP
Location:     Chicago, IL
 
Affiliated Broker/Dealer 
 
14.1
Name:         Morgan Stanley & Co., Inc.
SEC File #:   008-733537
 
14.2
Name:         Dean Witter Reynolds, Inc.
SEC File #:   008-728181
 
Custodian 
 
15.1
Name:         State Street Bank & Trust Co.
Role:         Custodian
Location:     Boston, MA

Type of custody:  Section 17(f)(1) — Bank
 
18.
Does the Registrant’s/Series’ Custodian(s) maintain some or all of the
Registrant’s/Series’ securities in a central depository or book-entry
system pursuant to Rule 17f-4?  Yes
 
Family of Investment Companies 
 
19.
Is the Registrant/Series part of a “family” of investment companies?  Yes

Total number of registered management investment companies, Series
and portfolios (excluding any Unit Investment Trusts) in the family:  118

The Identification Code of the family for Form N-SAR Filings:  VANKAMPENA
 
Portfolio Transactions with Entities Acting as Principals 
 
22.
The entities acting as principals with whom the Registrant did the
largest amount of portfolio transactions, based on total value of
principal, during the period:
 
22.1
Entity:       Ba Securities
IRS #:        95-4035346
Registrant’s purchases ($000s):  2,986,018
Registrant’s sales ($000s):  50,438
 
22.2
Entity:       Chase Manhattan
IRS #:        13-2633612
Registrant’s purchases ($000s):  242,591
 
22.3
Entity:       Citibank
IRS #:        13-3187336
Registrant’s purchases ($000s):  77,936
 
22.4
Entity:       State Stret Bank & Trust
IRS #:        04-1867445
Registrant’s purchases ($000s):  61,901
 
22.5
Entity:       Lamb & Co., Inc.
Registrant’s purchases ($000s):  31,219
 
23.
Total purchase/sale transactions by the Registrant during the period:
   Aggregate purchases ($000s):  5,552,300
   Aggregate sales ($000s):  102,377
 
Holdings of Securities Issued by Registrant’s/Series’ Brokers or Dealers 
 
24.
At period end, did the Registrant/Series hold any securities of the
Registrant’s/Series’ regular brokers or dealers, or of the parents of
such brokers or dealers, that derive more than 15% of gross revenue from
securities-related activities?  No
 
Considerations which Affected the Participation of Brokers or Dealers 
 
26.
Considerations which affected the participation of brokers or dealers or
other entities in commissions or other compensation paid on portfolio
transactions of the Registrant:

Consideration?
Sales of the Registrant’s/Series’ shares ...............................  No
Receipt of investment research and statistical info ....................  Yes
Receipt of quotations for portfolio valuations .........................  No
Ability to execute portfolio transactions to obtain the best price
  and execution ........................................................  Yes
Receipt of telephone line and wire services ............................  No
Broker or Dealer which is an affiliated person .........................  No
An arrangement to return or credit part or all of commissions or
  profits thereon...
    To an Investment Adviser or Principal Underwriter, or to an
      affiliated person of either ......................................  No
    To the Registrant ..................................................  No
Other ..................................................................  No
 
Investment Company Type 
 
27.
Is the Registrant an “open-end” investment company?  No, Closed-End
 
Advisory Fee 
 
45.
Did the Registrant/Series have an advisory contract during the period?  Yes
 
46.
Did the Registrant/Series pay more than one Investment Adviser directly
for investment advice during the period?  No
 
47.
Was the Registrant’s/Series’ advisory fee based solely on a percentage
of its assets?  Yes
 
48.
Fee (single rate or step rates) applied to the Registrant’s/Series’
assets based on the advisory contract:
    Single-fee rate:  0.0%
    Step-fee rates:
      For 1st $000s:  0
        Annual rate:  0.85%
 
49.
Was the Registrant’s/Series’ advisory fee during the period based solely
on a percentage of its income?  No
 
50.
Was the Registrant’s/Series’ advisory fee during the period based on
some combined percentage of its income and assets?  No
 
51.
Was the Registrant’s/Series’ advisory fee during the period based in
whole or in part on its investment performance?  No
 
52.
Was the Registrant’s/Series’ advisory fee during the period based in
whole or in part on the assets, income or performance of other
Registrants?  No
 
53.
Were the expenses of the Registrant/Series limited or reduced at any
time during the period by some agreement or understanding other than by
Blue Sky Laws?  Yes

Was the limitation that applied during the period based on...
    Assets?   No
    Income?   Yes
 
54.
Indicated below are whether services were supplied or paid for wholly or
in substantial part by Investment Adviser(s) or Administrator(s) in
connection with the advisory or administrative contract(s) but for which
the Adviser(s) or Administrator(s) are not reimbursed by the Registrant:

Provided to the Registrant?
Occupancy and office rental ............................................  Yes
Clerical and bookkeeping services ......................................  No
Accounting services ....................................................  No
Services of independent auditors .......................................  No
Services of outside counsel ............................................  No
Registration and filing fees ...........................................  No
Stationery, supplies and printing ......................................  No
Salaries & compensation of Registrant’s interested Directors ...........  Yes
Salaries & compensation of Registrant’s disinterested Directors ........  No
Salaries & compensation of Registrant’s Officers who aren’t Directors ..  Yes
Reports to current shareholders ........................................  No
Determination of offering and redemption prices ........................  No
Trading department .....................................................  No
Prospectus preparation and printing for current shareholders ...........  No
Other ..................................................................  No
 
Miscellaneous Info 
 
55.
Did the Registrant/Series have any of the following outstanding at any
time during the period which exceeded 1% of aggregate net assets:
    Overdrafts?  No
    Bank loans?  No
 
56.
During the period, did the Registrant’s/Series’ Investment Adviser(s)
have advisory clients other than investment companies?  No
 
57.
Did the Registrant/Series adjust the number of its shares outstanding by
means of a stock split or stock dividend?  No
 
Classification and Asset Allocation 
 
58.
Is the Registrant/Series a Separate Account of an insurance company?  No
 
59.
Is the Registrant/Series a management investment company?  Yes
 
60.
Was the Registrant/Series a diversified investment company at any time
during the period?  No

Was the Registrant/Series a diversified investment company at the end of
the period?  No
 
61.
The lowest minimum initial investment required by the Registrant/Series
from an investor that is not an employee or otherwise affiliated with
the Registrant/Series, its Investment Adviser, Principal Underwriter or
other affiliated entity:  $1,000
 
62.
Does the Registrant/Series invest primarily in debt securities,
including convertible debt securities, options & futures on debt
securities or indices of debt securities?  Yes

The percentage of net assets in each type at period end:

Debt — Short-Term Maturities
U.S. Treasury ...............................      0.0%
U.S. Government Agency ......................      0.0
Repurchase agreements .......................      0.0
State and Municipal – tax-free ..............      0.0
Bank certificates of deposit – domestic .....      0.0
Bank certificates of deposit – foreign ......      0.0
Bankers acceptances .........................      0.0
Commercial paper – taxable ..................      3.5
Time deposits ...............................      0.9
Options .....................................      0.0
All other ...................................      1.1

Debt — Intermediate & Long-Term Maturities
U.S. Treasury ...............................      0.0%
U.S. Government Agency ......................      0.0
State and Municipal – tax-free ..............      0.0
Corporate ...................................      0.0
All other ...................................  116.0

Non-Debt
Investments other than debt securities ......      0.0%
 
63.
The dollar-weighted average portfolio maturity at period end in days or,
if longer than one year, in years (to one decimal place):
    Days:     0
    Years:    5.7
 
64.
Is the timely payment of principal and interest on any of the
instruments listed in Item 62 insured or guaranteed by an entity other
than the issuer?  No

Is the issuer of any instrument covered in Item 62 delinquent or in
default as to payment of principal or interest at period end?  No
 
66.
Is the Registrant/Series a Fund that usually invests in equity
securities, options & futures on equity securities, indices of equity
securities or securities convertible into equity securities?  No
 
67.
Is the Registrant/Series a “balanced” Fund?  No
 
68.
Does the Registrant/Series have more than 50% of its net assets at
period end invested in the securities of issuers...
    Engaged primarily in production or distribution of precious metals?  No
    Located primarily in countries other than the United States?  No
 
69.
Is the Registrant/Series an index Fund?  No
 
Investment Practices 
 
70.
Activities that are permitted by the Registrant’s/Series’ investment
policies, and which were engaged in during the period:

Activity                                            Permitted Engaged In
Writing or investing in repurchase agreements?           Yes      No
Writing or investing in options on equities?             No        –
Writing or investing in options on debt securities?      No        –
Writing or investing in options on stock indices?        No        –
Writing or investing in interest rate futures?           No        –
Writing or investing in stock index futures?             No        –
Writing or investing in options on futures?              No        –
Writing or investing in options on stock index futures?  No        –
Writing or investing in other commodity futures?         No        –
Investments in restricted securities?                    Yes to both
Investments in shares of other investment companies?     No        –
Investments in securities of foreign issuers?            No        –
Currency exchange transactions?                          Yes      No
Loaning portfolio securities?                            Yes      No
Borrowing of money?                                      No        –
Purchases/sales by certain exempted affiliated persons?  No        –
Margin purchases?                                        No        –
Short selling?                                           No        –
 
Portfolio Turnover 
 
71.
Portfolio turnover rate for the period:
 
Purchases ($000s):  2,152,634
Sales ($000s):      53,228

Monthly average Value of portfolio ($000s):  1,712,855

Percent turnover (lesser of Purchases or Sales, divided by Value):  3%
 
Financial Info — Income and Expenses 
 
72.
The number of months covered by the values in Items 72 and 73:  1

Income  ($000s)
Net interest income ..............................................
 15,375
Net dividend income ..............................................
 –
Account maintenance fees .........................................
 –
Net other income .................................................
 119

Expenses  ($000s)
Advisory fees ....................................................
 1,560
Administrator fees ...............................................
 367
Salaries and other compensation ..................................
 –
Shareholder Servicing Agent fees .................................
 59
Custodian fees ...................................................
 67
Postage ..........................................................
 –
Printing expenses ................................................
 40
Directors’ fees ..................................................
 9
Registration fees ................................................
 –
Taxes ............................................................
 –
Interest .........................................................
 513
Bookkeeping fees paid to anyone performing this service ..........
 –
Auditing fees ....................................................
 47
Legal fees .......................................................
 39
Marketing/distribution payments, incl. Rule 12b-1 plan payments ..
 –
Amortization of organization expenses ............................
 1
Shareholder meeting expenses .....................................
 –
Other expenses ...................................................
 52
Total expenses ...................................................
 2,754

Expense reimbursements ($000s):   70

Net investment income ($000s):    12,810

Realized capital gains ($000s):   139
Realized capital losses ($000s):  0

Net unrealized appreciation during the period ($000s):  1,373
Net unrealized depreciation during the period ($000s):  0

Total income dividends for which the record date passed during the
period ($000s):  0

Total capital gains distributions for which the record date passed
during the period ($000s):  0
 
73.
Distributions per share for which the record date passed during the
period, shown in fractions of a cent, if so declared:

Dividends from net investment income:    $0.0000

Distribution of capital gains:  $0.0000
Other distributions:            $0.0000
 
Financial Info — Condensed Balance Sheet Data 
 
74.
Assets  ($000s)
Cash .............................................................
 2,440
Repurchase agreements ............................................
 –
Short-term debt securities, other than repurchase agreements .....
 63,309
Long-term debt securities, including convertible debt ............
 –
Preferred, conv. preferred and adjustable-rate preferred stock ...
 –
Common stock .....................................................
 –
Options on equities ..............................................
 –
Options on all futures ...........................................
 –
Other investments ................................................
 2,137,798
Receivables from portfolio instruments sold ......................
 506
Receivables from affiliated persons ..............................
 –
Other receivables ................................................
 11,578
All other assets .................................................
 1,172
Total assets .....................................................
 2,216,803

Liabilities  ($000s)
Payables for portfolio instruments purchased .....................
 –
Amounts owed to affiliated persons ...............................
 1,717
Senior long-term debt ............................................
 400,000
Other liabilities:
  Reverse repurchase agreements ..................................
 –
  Short sales ....................................................
 –
  Written options ................................................
 –
  All other liabilities ..........................................
 2,943

Equity  ($000s)
Senior equity ....................................................
 –
Net assets of common shareholders ................................
 1,812,143

Number of shares outstanding (000s):   180,010

Net Asset Value (NAV) per share (to nearest cent):  $10.07

Total number of shareholder accounts:  490

Total value of assets in segregated accounts ($000s):  0
 
75.
Monthly average net assets during the period ($000s):  1,773,609
 
76.
Market price per share at period end:  $10.06
 
Additional Disclosures 
 
77.
Did the Registrant file any additional Exhibits with the filing of this
Report (listed here and filed either herewith — as one of the ‘EX-99.*’
↑Exhibits in this Filing — or separately and incorporated by reference)?  Yes

EX-99.77B:  Accountant’s Report re: Internal Controls?  Yes

EX-99.77Q1: Other Disclosure?  Yes
 
Subsidiaries 
 
78.
Does the Registrant have any wholly-owned investment company
subsidiaries whose operating and financial data are consolidated with
that of the Registrant in this Report?  No
 
Fidelity Bond in Effect at Fiscal Year End 
 
80.
Insurer:      Ici Mutual Insurance Co.

Aggregate face amount of coverage for the Registrant/Series on all bonds
on which it is named as an insured ($000s):  65,000
 
81.
Is the bond part of a joint fidelity bond(s) shared with other
investment companies or other entities?  Yes

How many other investment companies or other entities are covered by the
bond (counting each Fund/Series as a separate investment company):  117
 
82.
Does the mandatory coverage of the fidelity bond have a deductible?  Yes

The amount of the deductible ($000s):  100
 
83.
Were any claims with respect to this Registrant/Series filed under the
bond during the period?  No
 
84.
Were any losses incurred with respect to this Registrant/Series that
could have been filed as a claim under the fidelity bond but were not?  No
 
85.
Are the Registrant’s/Series’ Officers and Directors covered as Officers
and Directors of the Registrant/Series under any errors and omissions
insurance policy owned by the Registrant/Series or anyone else?  Yes

Were any claims filed under such policy during the period with respect
to the Registrant/Series?  No
 
Sales, Repurchases and Redemptions 
 
86.
Sales, repurchases and redemptions of the Registrant’s securities:
 
Common Stock
Sales:
    Number of shares (000s):   134,357
    Net consideration received ($000s):  1
Repurchases:
    Number of shares (000s):   12,241
    Net consideration paid ($000s):      122,898

Preferred Stock
Sales:
    Number of shares (000s):   0
    Net consideration received ($000s):  0
Repurchases and redemptions:
    Number of shares (000s):   0
    Net consideration paid ($000s):      0

Debt Securities
Sales:
    Principal amount ($000s):  0
    Net consideration received ($000s):  0
Repurchases and redemptions:
    Principal amount ($000s):  0
    Net consideration paid ($000s):      0
 
Securities Outstanding 
 
88.
Did the Registrant have any of the following outstanding which exceeded
1% of aggregate net assets at any time during the period:

Notes or bonds?     No
Uncovered options?  No
Margin loans?       No
Preferred stock?    No
 
 Signature 
 
↑Top of Form N-SAR 
     
                                                                               
/s/      Nick Dalmaso      
Name:   Nick Dalmaso
Title:  Attorney