United States
Securities and Exchange Commission
Washington, D.C. 20549
Form 13F
Form 13F Cover Page
Report for the Calendar Year or Quarter Ended: 9-30-00
Check here if Amendment [ ]; Amendment Number:
This Amendment (Check only one.): [ ] is a restatement.
[ ] adds new holdings
entries.
Institutional Investment Manager Filing this Report:
Name: John D. and Catherine T. MacArthur
Foundation
Address: 140 South Dearborn Street, Suite 1100
Chicago, Illinois 60603-5285
Form 13F File Number: 28-
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 Signing this Report on Behalf of Reporting Manager:
Name: George B. Ptacin
Title: Director of Finance and Tax
Phone: 312-917-0317
Signature, Place, and Date of Signing:
George B. Ptacin Chicago, Illinois 60603-5285
10/06/00
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
other reporting 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).)
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 0555
Form 13F Information Table Value Total: $448,113
(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 manager
filing this report. None
