0000902664-11-001613.txt : 20111114 0000902664-11-001613.hdr.sgml : 20111111 20111114161255 ACCESSION NUMBER: 0000902664-11-001613 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110930 FILED AS OF DATE: 20111114 DATE AS OF CHANGE: 20111114 EFFECTIVENESS DATE: 20111114 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ARDSLEY ADVISORY PARTNERS CENTRAL INDEX KEY: 0000900529 IRS NUMBER: 0 STATE OF INCORPORATION: CT FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-04639 FILM NUMBER: 111202620 BUSINESS ADDRESS: STREET 1: 262 HARBOR DRIVE, 4TH FLOOR CITY: STAMFORD STATE: CT ZIP: 06902 BUSINESS PHONE: 203-564-4230 MAIL ADDRESS: STREET 1: 262 HARBOR DRIVE, 4TH FLOOR CITY: STAMFORD STATE: CT ZIP: 06902 13F-HR 1 p11-1795form13fhr.txt ARDSLEY ADVISORY PARTNERS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: 9/30/2011 --------- 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: Ardsley Advisory Partners --------------------------- Address: 262 Harbor Drive, 4th Floor --------------------------- Stamford, CT 06902 --------------------------- Form 13F File Number: 28-04639 -------- 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 submission. Persons Signing this Report on Behalf of Reporting Manager: Name: Steven Napoli --------------------------- Title: Partner --------------------------- Phone: 203-564-4230 --------------------------- Signature, Place, and Date of Signing: /s/ Steven Napoli Stamford, CT 11/14/2011 --------------------------------- --------------------------------- ---------- [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).) [ ] 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: None Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 78 Form 13F Information Table Value Total: $ 388,797 -------------- (In Thousands) List of Other Included Managers: None Provide a numbered list of the name(s) and 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

FORM 13F INFORMATION TABLE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ---------------------------- ---------------- --------- -------- ------------------ ---------- -------- --------------------- 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 ---------------------------- ---------------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- ACTIVE POWER INC COM 00504W100 1,097 850,000 SH SOLE 850,000 ADA ES INC COM 005208103 292 19,130 SH SOLE 19,130 AETNA INC NEW COM 00817Y108 13,628 375,000 SH SOLE 375,000 ALLOT COMMUNICATIONS LTD SHS M0854Q105 98 10,000 SH SOLE 10,000 AMARIN CORP PLC SPONS ADR NEW 023111206 45,540 4,950,000 SH SOLE 4,950,000 AMERESCO INC CL A 02361E108 1,762 173,400 SH SOLE 173,400 AMTECH SYS INC COM PAR $0.01N 032332504 400 50,000 SH SOLE 50,000 ARTHROCARE CORP COM 043136100 29,489 1,025,000 SH SOLE 1,025,000 AVAGO TECHNOLOGIES LTD SHS Y0486S104 4,096 125,000 SH SOLE 125,000 BP PLC SPONSORED ADR 055622104 7,214 200,000 SH CALL SOLE BRIDGEPOINT ED INC COM 10807M105 8,284 475,000 SH SOLE 475,000 BROADSOFT INC COM 11133B409 5,493 181,000 SH SOLE 181,000 C&J ENERGY SVCS INC COM 12467B304 6,083 370,000 SH SOLE 370,000 CALPINE CORP COM NEW 131347304 704 50,000 SH SOLE 50,000 CEREPLAST INC COM NEW 156732307 250 89,200 SH SOLE 89,200 CHART INDS INC COM PAR $0.01 16115Q308 5,062 120,000 SH SOLE 120,000 CHINA HYDROELECTRIC CORP SPONSORED ADR 16949D101 243 116,750 SH SOLE 116,750 CHINA VALVES TECHNOLOGY INC COM NEW 169476207 2,676 1,200,000 SH SOLE 1,200,000 CHINA YIDA HOLDINGS CO COM NEW 16945D204 2,741 870,000 SH SOLE 870,000 COMVERGE INC COM 205859101 3,049 1,675,000 SH SOLE 1,675,000 COVANTA HLDG CORP COM 22282E102 1,063 70,000 SH SOLE 70,000 CVD EQUIPMENT CORP COM 126601103 540 40,000 SH SOLE 40,000 EBAY INC COM 278642103 7,373 250,000 SH SOLE 250,000 ECOTALITY INC COM NEW 27922Y202 2,108 1,133,333 SH SOLE 1,133,333 ENTEROMEDICS INC COM NEW 29365M208 3,848 2,250,000 SH SOLE 2,250,000 ENTROPIC COMMUNICATIONS INC COM 29384R105 1,652 400,000 SH SOLE 400,000 FIRST SOLAR INC COM 336433107 7,269 115,000 SH SOLE 115,000 FUELCELL ENERGY INC COM 35952H106 630 750,000 SH SOLE 750,000 FUTUREFUEL CORPORATION COM 36116M106 814 78,300 SH SOLE 78,300 GANNETT INC COM 364730101 4,765 500,000 SH CALL SOLE GEVO INC COM 374396109 251 45,000 SH SOLE 45,000 GIANT INTERACTIVE GROUP INC ADR 374511103 200 60,000 SH SOLE 60,000 GLOBE SPECIALTY METALS INC COM 37954N206 1,307 90,000 SH SOLE 90,000 GRAFTECH INTL LTD COM 384313102 2,540 200,000 SH CALL SOLE GREEN PLAINS RENEWABLE ENERG COM 393222104 700 75,000 SH SOLE 75,000 HALLIBURTON CO COM 406216101 20,647 676,500 SH CALL SOLE HALOZYME THERAPEUTICS INC COM 40637H109 6,754 1,100,000 SH SOLE 1,100,000 HARBIN ELECTRIC INC COM 41145W109 23,231 1,125,000 SH SOLE 1,125,000 HECKMANN CORP COM 422680108 6,877 1,300,000 SH SOLE 1,300,000 IMMERSION CORP COM 452521107 120 20,000 SH SOLE 20,000 INPHI CORP COM 45772F107 1,666 190,000 SH SOLE 190,000 JOHNSON CTLS INC COM 478366107 1,319 50,000 SH SOLE 50,000 KBR INC COM 48242W106 1,182 50,000 SH SOLE 50,000 KEYNOTE SYS INC COM 493308100 6,128 290,000 SH SOLE 290,000 KEYUAN PETROCHEMICALS INC COM 493722102 2,056 713,800 SH SOLE 713,800 KIOR INC CL A 497217109 933 45,000 SH SOLE 45,000 LINN ENERGY LLC UNIT LTD LIAB 536020100 14,264 400,000 SH SOLE 400,000 LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 8,306 340,000 SH SOLE 340,000 MARKET VECTORS ETF TR JR GOLD MINERS E 57060U589 4,926 175,000 SH SOLE 175,000 MASTEC INC COM 576323109 1,497 85,000 SH SOLE 85,000 MCDERMOTT INTL INC COM 580037109 699 65,000 SH SOLE 65,000 MCDERMOTT INTL INC COM 580037109 2,152 200,000 SH CALL SOLE MELLANOX TECHNOLOGIES LTD SHS M51363113 9,366 300,000 SH SOLE 300,000 MOLYCORP INC DEL COM 608753109 7,231 220,000 SH SOLE 220,000 OCCIDENTAL PETE CORP DEL COM 674599105 8,938 125,000 SH SOLE 125,000 OPENWAVE SYS INC COM NEW 683718308 23 15,000 SH SOLE 15,000 ORMAT TECHNOLOGIES INC COM 686688102 7,638 475,000 SH SOLE 475,000 PFIZER INC COM 717081103 17,680 1,000,000 SH SOLE 1,000,000 POLYCOM INC COM 73172K104 184 10,000 SH SOLE 10,000 PROCERA NETWORKS INC COM NEW 74269U203 192 20,000 SH SOLE 20,000

FORM 13F INFORMATION TABLE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ---------------------------- ---------------- --------- -------- ------------------ ---------- -------- --------------------- 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 ---------------------------- ---------------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- PROSHARES TR PSHS ULTSH 20YRS 74347R297 486 25,000 SH SOLE 25,000 PROSHARES TR II ULTRASHRT EURO 74347W882 6,748 350,000 SH SOLE 350,000 QKL STORES INC COM 74732Y105 1,740 1,450,000 SH SOLE 1,450,000 RADIAN GROUP INC COM 750236101 4,928 2,250,000 SH SOLE 2,250,000 RF MICRODEVICES INC COM 749941100 82 13,000 SH SOLE 13,000 ROCKWOOD HLDGS INC COM 774415103 8,086 240,000 SH SOLE 240,000 SENSATA TECHNOLOGIES HLDG BV SHS N7902X106 3,043 115,000 SH SOLE 115,000 SKY-MOBI LTD SPONSORED ADS 83084G109 76 23,300 SH SOLE 23,300 THERMON GROUP HLDGS INC COM 88362T103 622 45,000 SH SOLE 45,000 UNITED CONTL HLDGS INC COM 910047109 5,814 300,000 SH SOLE 300,000 UNITED RENTALS INC COM 911363109 4,042 240,000 SH SOLE 240,000 UNIVERSAL DISPLAY CORP COM 91347P105 959 20,000 SH SOLE 20,000 WESTPORT INNOVATIONS INC COM NEW 960908309 13,452 465,000 SH SOLE 465,000 WHITING PETE CORP NEW COM 966387102 7,893 225,000 SH SOLE 225,000 WORLD ENERGY SOLUTIONS INC D COM NEW 98145W208 1,665 560,649 SH SOLE 560,649 YINGLI GREEN ENERGY HLDG CO ADR 98584B103 310 100,000 SH CALL SOLE YUCHENG TECHNOLOGIES LTD COM G98777108 59 20,500 SH SOLE 20,500 ZBB ENERGY CORPORATION COM 98876R204 1,522 2,817,831 SH SOLE 2,817,831