Report 
 
      
Registrant:   Domini Social Index Portfolio — 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:      851681
SEC File #:   811-05824

Telephone #:  212-352-9200
 
 2.
Address:      11 West 25th Street
              New York, NY  10010
 
 3.
Is this the first Form N-SAR filed by the Registrant?  No
 
 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
 
Brokerage Commissions Paid on Portfolio Transactions 
 
20.
The brokers who received the largest amount of gross brokerage
commissions during the period:
 
20.1
Broker:       Bear Stearns Co.
IRS #:        13-3299429
Commissions paid ($000s):  128
 
20.2
Broker:       Fidelity Capital Markets
Commissions paid ($000s):  7
 
20.3
Broker:       Morgan Stanley
IRS #:        13-2655998
Commissions paid ($000s):  3
 
20.4
Broker:       Instinet
IRS #:        13-3443395
Commissions paid ($000s):  1
 
20.5
Broker:       Goldman Sachs
IRS #:        13-2108880
Commissions paid ($000s):  1
 
20.6
Broker:       Capital Iast Serv
IRS #:        75-1565705
Commissions paid ($000s):  18
 
20.7
Broker:       Salomon Brothers
Commissions paid ($000s):  2
 
20.8
Broker:       National Fin’L Services
Commissions paid ($000s):  13
 
20.9
Broker:       First Boston
Commissions paid ($000s):  2
 
21.
Total brokerage commissions paid by the Registrant during the period:
  Aggregate paid ($000s):  175
 
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?  Yes, Open-End
 
Sales Load (Front-End or Deferred) and Fees (Redemption or Maintenance) 
 
29.
Was a front-end sales load deducted from any share sales during the
period?  No
 
34.
Did the Registrant/Series impose a deferred or contingent deferred sales
load during the period?  No
 
37.
Did the Registrant/Series impose a redemption fee other than a deferred
or contingent sales load during the period?  No
 
39.
Were any account maintenance fees or other administrative fees imposed
directly on shareholders during the period?  No
 
Payment Plan for the Distribution of Fund Shares 
 
40.
During the period, did the Registrant/Series have a plan of distribution
adopted pursuant to Rule 12b-1?  No
 
Classification and Asset Allocation 
 
62.
Does the Registrant/Series invest primarily in debt securities,
including convertible debt securities, options & futures on debt
securities or indices of debt securities?  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?  Yes

Which best describes its primary investment objective:

    Aggressive capital appreciation?  No
               Capital appreciation?  No
    Growth?                           Yes
    Growth and income?                No
               Income?                No
    Total return?                     No
 
Portfolio Turnover 
 
71.
Portfolio turnover rate for the period:
 
Purchases ($000s):  277,786
Sales ($000s):      19,964

Monthly average Value of portfolio ($000s):  437,438

Percent turnover (lesser of Purchases or Sales, divided by Value):  5%
 
Financial Info — Income and Expenses 
 
72.
The number of months covered by the values in Items 72 and 73:  12
 
Financial Info — Condensed Balance Sheet Data 
 
74.
Assets  ($000s)
Total assets .....................................................
 647,420
Net assets of common shareholders ................................
 642,236
 
75.
Monthly average net assets during the period ($000s):  441,468
 
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
 
Fidelity Bond in Effect at Fiscal Year End 
 
80.
Insurer:      National Union Fire Insur.

Aggregate face amount of coverage for the Registrant/Series on all bonds
on which it is named as an insured ($000s):  1,325
 
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):  4
 
82.
Does the mandatory coverage of the fidelity bond have a deductible?  No
 
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
 
 Signature 
 
↑Top of Form N-SAR 
     
                                                                               
/s/      Carole Laible      
Name:   Carole Laible
Title:  Treasurer