United States Securities
Securities and Exchange Commission
Washington, D.C. 20549
Form 13F
Form 13F Cover Page
Report for the Calendar Year or Quarter Ended: December 31, 1999
Check here if Amendment [ X ]; Amendment Number:
This Amendment (Check only one): [ ] is a restatement.
[ X ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Quantitative Advisors, Inc.
Address: 55 Old Bedford Road
Lincoln, MA 01773
Form 13F File Number: 28- 4108
The institutional investment manager filing this report and
the person by whom it is signed hereby represent that the
person signing the report is authorized to submit it, that
all information contained herein is true, correct and
complete, and that it is understood that all required items,
statements, schedules, lists, and tables, are considered
integral parts of this form.
Person Singing this Report on Behalf of Reporting Manager:
Name: Frederick S. Marius
Title: President and General Counsel
Phone: (781) 259-1144
Signature, Place, and Date of Signing;
/s/ Frederick S. Marius Lincoln, MA February 15, 2000
[Signature] [City, State] [Date]
Report Type (Check only one.):
[ X ] 13F HOLDINGS REPORT. (Check here if all holdings
of this reporting manager are reported in this
report.)
[ ] 13F NOTICE. (Check here if no holdings reported
are in this report, and all holdings are reported by
another manager(s).)
[ ] 13F COMBINATION REPORT. (Check here if a portion
of the holdings for this reporting manager are
reported in this report and a portion are reported by
other reporting manager(s).)
<PAGE>
Form 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 12
Form 13F Information Table Value Total: $978
(thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file
number(s) of all institutional investment managers with
respect to which this report is filed, other than the filing
manager of this report.
NONE
<PAGE>
13F INFORMATION TABLE
<TABLE><CAPTION>
<S>
<C> <C> <C> <C> <C> <C> <C> <C>
Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Column 8
Name of Title Cusip Value SHRS OR SH PUT Invest. Other Voting Authority
Issuer of Class (x$1000) PRN AMT PRN CALL Discret. Managers Sole Shared None
COMPANIA ADR 204449300 75 4,110 SH OTHER SHARED
DE
TELECOM
DE CHILE
MADECO SA ADR 556304103 143 12,880 SH OTHER SHARED
COMPANIA ADR 204429104 105 3,280 SH OTHER SHARED
CERVECERI
AS UNIDAS
SA
LABORATOR ADR 50540H104 90 5,000 SH OTHER SHARED
IO CHILE
SA
EMBOTELLA ADR 29081P204 26 1,500 SH OTHER SHARED
DORA SERIES
ANDINA S A
A
BANCO ADR 05965F108 92 6,000 SH OTHER SHARED
SANTANDER SERIES
CHILE A
MASISA SA ADR 574799102 32 2,500 SH OTHER SHARED
CHILECTRA ADR 168884104 60 3,000 SH OTHER SHARED
S A
EMPRESA ADR 29244T101 150 10,539 SH OTHER SHARED
NACIONAL
DE ELEC
ENERSIS SA ADR 29274F104 71 3,000 SH OTHER SHARED
GENER S A ADR 368731105 64 4,100 SH OTHER SHARED
HUANENG ADR 443304100 70 6,600 SH OTHER SHARED
POWER SERIES
N
</TABLE>
