<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: September 30, 1999
Check here if Amendment: [ ]; Amendment Number: ____________
This Amendment (Check only one): [ ] is a restatement.
[ ] adds new holding entries.
Institutional Investment Manager Filing this Report:
Name: Forstmann-Leff International, LLC
Address: One World Financial Center, Tower A
New York, New York 10281
Form 13F File Number: 28-6824
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: Philip Silverman
Title: Secretary
Phone: (212) 693-7000
Signature, Place, and Date of Signing:
/s/ Philip Silverman New York, NY November 3, 1999
- ------------------------ ------------- ------------------
[Signature] [City, State] [Date]
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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).)
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FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 0
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Form 13F Information Table Entry Total:
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Form 13F Information Table Value Total: $
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(thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and 13F file numbers of all institutional
investment managers with respect to which this report is filed, other than the
one filing this report.
None
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Form 13F
Reporting Manager: Forstmann-Leff International, LLC
Quarter Ending September 30, 1999
<TABLE>
<CAPTION>
Item 1 Item 2 Item 3 Item 4 Item 5
------ ------ ------ ------ ------
Fair
Title Market Shares or
of Value Principal
Name of Issuer Class CUSIP (x 1000) Amount Sh/Prn Put/Call
- -----------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C>
Ace Ltd. COMMON G0070K103 31204972.5 1842360 SH
Actel Corp. COMMON 004934105 1099283 57857 SH
Advo Inc. COMMON 007585102 1258235.69 63109 SH
Axys Pharmaceuticals Inc. COMMON 054635107 42989.62 10918 SH
Cabletron Systems, Inc. COMMON 126920107 209898.75 13380 SH
Caribiner International Inc. COMMON 141888107 100844.5 11608 SH
Chelsea GCA Realty Inc. COMMON 163262108 254138.5 8036 SH
Clear Channel Communication COMMON 184502102 9600176.25 120190 SH
Creative Biomolecules Inc. COMMON 225270107 99345 26492 SH
Cubist Pharmaceuticals Inc. COMMON 229678107 179435.75 20956 SH
Encad Inc. COMMON 292503109 155319 27012 SH
Equity Office Properties Trust COMMON 294741103 11934364.5 513306 SH
First Data Corp. COMMON 319963104 1528956 34848 SH
Health Management Assoc. Inc. (Class A) COMMON 421933102 751486.5 96966 SH
HealthPlan Services Corp. COMMON 421959107 112212.37 14838 SH
Industrie-Matematik International Corp. COMMON 455792101 27931.75 11608 SH
Intermedia Communications Inc. COMMON 458801107 903016.5 41518 SH
Lennar Corp. COMMON 526057104 231253.12 14510 SH
MBIA, Inc. COMMON 55262C100 831556.87 17835 SH
Mattel, Inc. COMMON 577081102 623428 32812 SH
Mellon Financial Corp. COMMON 58551A108 12668689.5 376764 SH
Newfield Exploration Co. COMMON 651290108 1204392.62 36566 SH
Nova Corp. GA COMMON 669784100 1286550 51462 SH
ObjectShare, Inc. COMMON 674426101 5754.56 17983 SH
Quest Education Corp. COMMON 74835F102 201521.25 25590 SH
Qwest Communications Inc. COMMON 749121109 6777676.12 229266 SH
Renaissancere Holdings Limited COMMON G7496G103 201326.25 5804 SH
Transkaryotic Therapies Inc. COMMON 893735100 368615.62 7175 SH
Unify Corporation COMMON 904743101 297967.5 13243 SH
Veritas Software Corp. COMMON 923436109 7593750 100000 SH
Viasoft. Inc. COMMON 92552U102 410660.94 47786 SH
Zitel Corp. COMMON 989913108 17369.62 14252 SH
========================================
GRAND TOTAL 92183118 3906050
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<CAPTION>
Item 1 Item 7 Item 8
------ ------ ------
Investment Discretion Other Voting Authority
-------------------------------------------------------
Name of Issuer Sole Shared Other Sole Shared None
- --------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C>
Ace Ltd. 1842360 1842360
Actel Corp. 57857 57857
Advo Inc. 63109 63109
Axys Pharmaceuticals Inc. 10918 10918
Cabletron Systems, Inc. 13380 13380
Caribiner International Inc. 11608 11608
Chelsea GCA Realty Inc. 8036 8036
Clear Channel Communication 120190 120190
Creative Biomolecules Inc. 26492 26492
Cubist Pharmaceuticals Inc. 20956 20956
Encad Inc. 27012 27012
Equity Office Properties Trust 513306 513306
First Data Corp. 34848 34848
Health Managment Assoc. Inc. (Class A) 96966 96966
HealthPlan Services Corp. 14838 14838
Industrie-Matematik International Corp. 11608 11608
Intermedia Communications Inc. 41518 41518
Lennar Corp. 14510 14510
MBIA, Inc. 17835 17835
Mattel, Inc. 32812 32812
Mellon Financial Corp. 376764 376764
Newfield Exploration Co. 36566 36566
Nova Corp. GA 51462 51462
ObjectShare, Inc. 17983 17983
Quest Education Corp. 25590 25590
Qwest Communications Inc. 229266 229266
Renaissancere Holdings Limited 5804 5804
Transkaryotic Therapies Inc. 7175 7175
Unify Corporation 13243 13243
Veritas Software Corp. 100000 100000
Viasoft. Inc. 47786 47786
Zitel Corp. 14252 14252
======================================
GRAND TOTAL 3906050 3906050
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</TABLE>
