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
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Check here if Amendment [ ]; Amendment Number:
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This Amendment (Check only one.): [ ] is a restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Ardsley Advisory Partners
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Address: 646 Steamboat Road
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Greenwich, CT 06830
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Form 13F File Number: 28-04639
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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: Kevin McCormack
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Title: Partner, Chief Financial Officer
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Phone: 203-863-1430
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Signature, Place, and Date of Signing:
/S/ Kevin McCormack Greenwich, CT 02/14/00
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[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).)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Form 13F File Number Name
28-
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[Repeat as necessary.]
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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: 50
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Form 13F Information Table Value Total: $1,348,274
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(thousands)
List of Other Included Managers: none
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.
[If there are no entries in this list, state "NONE" and omit the column
headings and list entries.]
No. Form 13F File Number Name
28-
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[Repeat as necessary.]
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Form 13F INFORMATION TABLE
<C> <C> <C> <C> <C> <C> <C> <C>
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
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VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE
- ------------------- ---------------- ------- -------- ------- --- ---- ---------- -------- ---- ------ ----
FIRST WORLD COMM. INC. CORPORATE 337625AC1 26,263 47,750,000(SH) (SOLE) 47,750,000(SOLE)
ALKERMES INC COMMON STK 01642T108 27,019 550,000(SH) (SOLE) 550,000(SOLE)
ALLSCRIPTS INC. COMMON STK 019886100 44,000 1,000,000(SH) (SOLE) 1,000,000(SOLE)
ALPINE GROUP US COMMON STK 020825105 14,163 1,100,000(SH) (SOLE) 1,100,000(SOLE)
ALZA CORP. COMMON STK 022615108 10,388 300,000(SH) (SOLE) 300,000(SOLE)
ASSOCIATED GROUP COMMON STK 045651205 42,320 460,000(SH) (SOLE) 460,000(SOLE)
CALLOWAY GOLF COMMON STK 131193104 18,572 1,050,000(SH) (SOLE) 1,050,000(SOLE)
CAREMARK RX INC COMMON STK 141705103 37,842 7,475,000(SH) (SOLE) 7,475,000(SOLE)
CENDANT CORP COMMON STK 151313103 32,141 1,210,000(SH) (SOLE) 1,210,000(SOLE)
COGNOS INC COMMON STK 19244C109 23,063 500,000(SH) (SOLE) 500,000(SOLE)
COMPUCREDIT CORP COMMON STK 20478N100 30,800 800,000(SH) (SOLE) 800,000(SOLE)
CON GRAPHICS COMMON STK 209341106 14,938 1,000,000(SH) (SOLE) 1,000,000(SOLE)
DANKA BUSINESS SYS PLC COMMON STK 236277109 34,891 2,750,000(SH) (SOLE) 2,750,000(SOLE)
DELTA AIR COMMON STK 247361108 24,906 500,000(SH) (SOLE) 500,000(SOLE)
DOUBLECLICK COMMON STK 258609304 45,000 300,000(SH)(P) (SOLE) 300,000(SOLE)
ELAN CORP PLC COMMON STK 284131208 8,850 300,000(SH) (SOLE) 300,000(SOLE)
FIRSTWORLD COMMUNICATION COMMON WAR 337625115 5,730 47,750(SH) (SOLE) 47,750(SOLE)
GENENTECH COMMON STK 368710406 45,058 335,000(SH) (SOLE) 335,000(SOLE)
GLOBAL MARINE CORP COMMON STK 379352404 5,819 350,000(SH) (SOLE) 350,000(SOLE)
GLOBAL TELESYSTEMS GROUP COMMON STK 37936U104 50,040 1,440,000(SH) (SOLE) 1,440,000(SOLE)
HARTFORD FINANCIAL SVCS COMMON STK 416515104 14,213 300,000(SH) (SOLE) 300,000(SOLE)
HUMAN GENOME SCIENCES IN COMMON STK 444903108 845 20,000(SH)(P) (SOLE) 20,000(SOLE)
ICG COMMUNICATIONS COMMON STK 449246107 19,219 1,025,000(SH) (SOLE) 1,025,000(SOLE)
INFONET COMMON STK 45666T106 16,406 625,000(SH) (SOLE) 625,000(SOLE)
MARIMBA INC COMMON STK 56781Q109 14,970 325,000(SH) (SOLE) 325,000(SOLE)
MATTEL COMMON STK 577081102 14,438 1,100,000(SH) (SOLE) 1,100,000(SOLE)
MEDIAONE GROUP INC COMMON STK 58440J104 30,725 400,000(SH) (SOLE) 400,000(SOLE)
MONTANA POWER CORP COMMON STK 612085100 19,834 550,000(SH) (SOLE) 550,000(SOLE)
MULTEX.COM INC COMMON STK 625367107 12,228 325,000(SH) (SOLE) 325,000(SOLE)
NTLI INC COMMON STK 629407107 130,364 1,045,000(SH) (SOLE) 1,045,000(SOLE)
NATIONAL SEMICONDUCTOR COMMON STK 637640103 17,125 400,000(SH) (SOLE) 400,000(SOLE)
NAVISTAR INTL CORP COMMON STK 63934E108 22,325 475,000(SH) (SOLE) 475,000(SOLE)
NAVIGANT CONSULTING INC COMMON STK 63935N107 16,748 1,540,000(SH) (SOLE) 1,540,000(SOLE)
OCEAN ENERGY INC COMMON STK 67481E106 13,950 1,800,000(SH) (SOLE) 1,800,000(SOLE)
OMNICARE INC COMMON STK 681904108 29,220 2,435,000(SH) (SOLE) 2,435,000(SOLE)
OUTBACK STEAKHOUSE INC COMMON STK 689899102 28,531 1,100,000(SH) (SOLE) 1,100,000(SOLE)
PARAMETRIC COMMON STK 699173100 24,356 900,000(SH) (SOLE) 900,000(SOLE)
PENNACO ENERGY COMMON STK 708046107 6,280 785,000(SH) (SOLE) 785,000(SOLE)
PER-SE TECHNOLOGIES INC COMMON STK 713569309 11,769 1,400,001(SH) (SOLE) 1,400,001(SOLE)
PEREGRINE SYSTEMS COMMON STK 71366Q101 25,256 300,000(SH) (SOLE) 300,000(SOLE)
QLT PHOTO COMMON STK 746927102 24,969 425,000(SH) (SOLE) 425,000(SOLE)
RHYTHMS NETCONNECTIONS I COMMON STK 762430205 29,450 950,000(SH) (SOLE) 950,000(SOLE)
TELEPHONE AND DATA SYSTE COMMON STK 879433100 22,050 175,000(SH) (SOLE) 175,000(SOLE)
TOTAL RENAL CARE COMMON STK 89151A107 31,782 4,752,500(SH) (SOLE) 4,752,500(SOLE)
TYCO INTERNATIONAL LTD COMMON STK 902124106 96,525 2,475,000(SH) (SOLE) 2,475,000(SOLE)
UNITED GLOBAL COMMUNICAT PREFER STK 913247102 66,000 750,000(SH) (SOLE) 750,000(SOLE)
UNITED GLOBAL COMMUNICAT COMMON STK 913247508 39,727 562,500(SH) (SOLE) 562,500(SOLE)
VINTAGE PETROLEUM INC COMMON STK 927460105 10,856 900,000(SH) (SOLE) 900,000(SOLE)
WILLIAMS CO COMMON STK 969457100 15,281 500,000(SH) (SOLE) 500,000(SOLE)
ORCKIT COMMUNICATIONS LT COMMON STK M7531S107 1,029 30,000(SH) (SOLE) 30,000(SOLE)
REPORT TOTALS 1,348,274
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