UNITED STATES
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 [ ]; Amendment Number: __________
This Amendment (Check only one.): [ ] is a restatement.
[ ] adds new holdings
entries.
Institutional Investment Manager Filing this Report.
Name: Riverdale LLC
Address: 100 South Bedford Road
Mt. Kisco, NY 10549
File 13F File Number: 28-5932
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, statement,
schedules, lists, and tables, are considered integral parts of this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Edward E. Mattner
Title: Manager
Phone: (212) 702-4300
Signature, Place, and Date of Signing:
/s/ Edward E. Mattner New York, New York 2/11/00
[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 other reporting
manager(s).)
1
<PAGE>
[ ] 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).)
2
<PAGE>
Form 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 1
Form 13F Information Table Entry Total: 2
Form 13F Information Table Value Total: $27,279
(thousands)
Confidential Treatment has been requested for accounts of equity securities
reported on by this Institutional Investment Manager.
List of Other Included Managers:
Provided 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.
No. From 13F File Number Name
01 28-4690 High River Limited Partnership
3
<PAGE>
<PAGE>
<TABLE>
FORM 13F INFORMATION TABLE
AS OF DECEMBER 31, 1999 (SEC USE ONLY)
NAME OF REPORTING MANAGER: Riverdale LLC
<CAPTION>
Item 4: Item 5: Item 6:
FAIR SHARES INVEST- Item 7: Item 8:
Item 2: Item 3: MARKET OF MENT MANAGERS VOTING
Item 1: TITLE OF CUSIP VALUE PRINCIPAL DISCRE- SEE AUTHORITY
NAME OF ISSUER CLASS NUMBER (000) AMOUNT TION INSTR. V (SHARES)
(b)
Shared
as De-
fined (c)
(a) in In- Shared (a) (b) (c)
Sole str. V Other Sole Shared None
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Brooke Group LtdCom 112525100 25,588 1,712,995 X 1 1,712,995
Immulogic Pharm.Com 45252R100 1,691 3,006,000 X 1 3,006,000
Corp.
Total: 27,279
</TABLE>
<PAGE>