0000902664-12-001449.txt : 20121114 0000902664-12-001449.hdr.sgml : 20121114 20121114143928 ACCESSION NUMBER: 0000902664-12-001449 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120930 FILED AS OF DATE: 20121114 DATE AS OF CHANGE: 20121114 EFFECTIVENESS DATE: 20121114 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ARDSLEY ADVISORY PARTNERS CENTRAL INDEX KEY: 0000900529 IRS NUMBER: 000000000 STATE OF INCORPORATION: NY FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-04639 FILM NUMBER: 121203473 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 p12-1790form13fhr.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: September 30, 2012 ----------------------- 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 form. Person 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 11/14/12 ------------------------ --------------------------- --------- [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: 123 ------------- Form 13F Information Table Value Total: $ 470,671 ------------- (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.

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 ---------------------------- ---------------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- ACHILLION PHARMACEUTICALS IN COM 00448Q201 208 20,000 SH SOLE 20,000 ACTIVE POWER INC COM 00504W100 5,713 7,140,936 SH SOLE 7,140,936 ADA ES INC COM 005208103 423 17,900 SH SOLE 17,900 AFFYMAX INC COM 00826A109 326 75,000 SH SOLE 75,000 AGRIUM INC COM 008916108 2,069 20,000 SH SOLE 20,000 ALLERGAN INC COM 018490102 458 5,000 SH SOLE 5,000 AMARIN CORP PLC SPONS ADR NEW 023111206 21,848 1,737,400 SH SOLE 1,737,400 AMERESCO INC CL A 02361E108 795 67,300 SH SOLE 67,300 ANADARKO PETE CORP COM 032511107 10,488 150,000 SH SOLE 150,000 AQUA AMERICA INC COM 03836W103 1,857 75,000 SH SOLE 75,000 ARTHROCARE CORP COM 043136100 486 15,000 SH SOLE 15,000 ATRICURE INC COM 04963C209 409 55,000 SH SOLE 55,000 AUDIOCODES LTD ORD M15342104 75 30,000 SH SOLE 30,000 BAIDU INC SPON ADR REP A 056752108 234 2,000 SH SOLE 2,000 BG MEDICINE INC COM 08861T107 74 20,000 SH SOLE 20,000 BLYTH INC COM NEW 09643P207 13,432 516,800 SH SOLE 516,800 BOSTON SCIENTIFIC CORP COM 101137107 230 40,000 SH SOLE 40,000 BROADCOM CORP CL A 111320107 6,050 175,000 SH SOLE 175,000 BROADSOFT INC COM 11133B409 16,203 395,000 SH SOLE 395,000 BROCADE COMMUNICATIONS SYS I COM NEW 111621306 118 20,000 SH SOLE 20,000 CALIX INC COM 13100M509 115 18,000 SH SOLE 18,000 CALPINE CORP COM NEW 131347304 1,683 97,300 SH SOLE 97,300 CASELLA WASTE SYS INC CL A 147448104 1,073 251,009 SH SOLE 251,009 CELGENE CORP COM 151020104 573 7,500 SH SOLE 7,500 CF INDS HLDGS INC COM 125269100 1,667 7,500 SH SOLE 7,500 CHART INDS INC COM PAR $0.01 16115Q308 990 13,400 SH SOLE 13,400 CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 1,581 101,800 SH SOLE 101,800 COGNIZANT TECHNOLOGY SOLUTIO CL A 192446102 349 5,000 SH SOLE 5,000 COMPUTER PROGRAMS & SYS INC COM 205306103 417 7,500 SH SOLE 7,500 COSAN LTD SHS A G25343107 355 22,400 SH SOLE 22,400 COVANTA HLDG CORP COM 22282E102 2,310 134,600 SH SOLE 134,600 CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 203 12,000 SH SOLE 12,000 D R HORTON INC COM 23331A109 5,672 275,000 SH SOLE 275,000 DUNKIN BRANDS GROUP INC COM 265504100 9,488 325,000 SH SOLE 325,000 EBAY INC COM 278642103 387 8,000 SH SOLE 8,000 ECOTALITY INC COM NEW 27922Y202 47 102,733 SH SOLE 102,733 ELLIE MAE INC COM 28849P100 8,169 300,000 SH SOLE 300,000 ENERNOC INC COM 292764107 3,143 242,150 SH SOLE 242,150 ENPHASE ENERGY INC COM 29355A107 2,672 645,300 SH SOLE 645,300 ENSCO PLC SHS CLASS A G3157S106 9,548 175,000 SH SOLE 175,000 ENTEROMEDICS INC COM NEW 29365M208 9,052 2,480,000 SH SOLE 2,480,000 EXPRESS SCRIPTS HLDG CO COM 30219G108 470 7,500 SH SOLE 7,500 FIRST SOLAR INC COM 336433107 554 25,000 SH SOLE 25,000 FLOW INTL CORP COM 343468104 741 200,200 SH SOLE 200,200 FOSTER WHEELER AG COM H27178104 1,279 53,400 SH SOLE 53,400 FUTUREFUEL CORPORATION COM 36116M106 512 42,300 SH SOLE 42,300 GARMIN LTD SHS H2906T109 292 7,000 SH SOLE 7,000 GENERAL CABLE CORP DEL NEW COM 369300108 881 30,000 SH SOLE 30,000 GENERAL ELECTRIC CO COM 369604103 2,271 100,000 SH SOLE 100,000 GEVO INC COM 374396109 214 100,000 SH SOLE 100,000 GILEAD SCIENCES INC COM 375558103 398 6,000 SH SOLE 6,000 GNC HLDGS INC COM CL A 36191G107 7,794 200,000 SH SOLE 200,000 GOOGLE INC CL A 38259P508 38,065 50,450 SH SOLE 50,450 GREAT LAKES DREDGE & DOCK CO COM 390607109 423 54,900 SH SOLE 54,900 GREEN PLAINS RENEWABLE ENERG COM 393222104 263 44,900 SH SOLE 44,900 GROUPON INC COM CL A 399473107 71 15,000 SH SOLE 15,000 HALCON RES CORP COM NEW 40537Q209 7,330 1,000,000 SH SOLE 1,000,000 HARMONIC INC COM 413160102 91 20,000 SH SOLE 20,000 HOLOGIC INC COM 436440101 5,561 275,000 SH SOLE 275,000 IMMERSION CORP COM 452521107 55 10,000 SH SOLE 10,000

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 ---------------------------- ---------------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- JAZZ PHARMACEUTICALS PLC SHS USD G50871105 8,977 157,500 SH SOLE 157,500 JIAYUAN COM INTL LTD SPONSORED ADR 477374102 54 10,000 SH SOLE 10,000 JOHNSON & JOHNSON COM 478160104 345 5,000 SH SOLE 5,000 JOHNSON CTLS INC COM 478366107 1,258 45,900 SH SOLE 45,900 KBR INC COM 48242W106 746 25,000 SH SOLE 25,000 KEYNOTE SYS INC COM 493308100 3,258 225,000 SH SOLE 225,000 LENNAR CORP CL A 526057104 10,953 315,000 SH SOLE 315,000 LSB INDS INC COM 502160104 877 20,000 SH SOLE 20,000 LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 6,458 125,000 SH SOLE 125,000 MAXWELL TECHNOLOGIES INC COM 577767106 449 55,300 SH SOLE 55,300 MCDERMOTT INTL INC COM 580037109 1,833 150,000 SH SOLE 150,000 MERCK & CO INC NEW COM 58933Y105 451 10,000 SH SOLE 10,000 MICHAEL KORS HLDGS LTD SHS G60754101 15,954 300,000 SH SOLE 300,000 MOLYCORP INC DEL COM 608753109 288 25,000 SH SOLE 25,000 MONSANTO CO NEW COM 61166W101 1,584 17,400 SH SOLE 17,400 MONSTER BEVERAGE CORP COM 611740101 10,001 185,000 SH SOLE 185,000 MUELLER WTR PRODS INC COM SER A 624758108 368 75,000 SH SOLE 75,000 NCI BUILDING SYS INC COM NEW 628852204 2,122 211,600 SH SOLE 211,600 NII HLDGS INC CL B NEW 62913F201 78 10,000 SH SOLE 10,000 NOKIA CORP SPONSORED ADR 654902204 26 10,000 SH PUT SOLE 10,000 NVIDIA CORP COM 67066G104 240 18,000 SH SOLE 18,000 NXSTAGE MEDICAL INC COM 67072V103 198 15,000 SH SOLE 15,000 OMNICARE INC COM 681904108 425 12,500 SH SOLE 12,500 OREXIGEN THERAPEUTICS INC COM 686164104 171 30,000 SH SOLE 30,000 ORMAT TECHNOLOGIES INC COM 686688102 2,507 133,700 SH SOLE 133,700 PEREGRINE SEMICONDUCTOR CORP COM 71366R703 3,879 229,000 SH SOLE 229,000 PFIZER INC COM 717081103 25,347 1,020,000 SH SOLE 1,020,000 PROCERA NETWORKS INC COM NEW 74269U203 12,220 520,000 SH SOLE 520,000 PROSHARES TR II ULTRASHRT EURO 74347W882 1,958 97,300 SH SOLE 97,300 QLT INC COM 746927102 78 10,000 SH SOLE 10,000 QUALITY DISTR INC FLA COM 74756M102 458 49,500 SH SOLE 49,500 REGIONAL MGMT CORP COM 75902K106 5,003 290,000 SH SOLE 290,000 RENTECH INC COM 760112102 1,847 751,000 SH SOLE 751,000 RF MICRODEVICES INC COM 749941100 79 20,000 SH SOLE 20,000 RIVERBED TECHNOLOGY INC COM 768573107 6,658 286,000 SH SOLE 286,000 RUBICON TECHNOLOGY INC COM 78112T107 220 23,000 SH SOLE 23,000 SPDR S&P 500 ETF TR TR UNIT 78462F103 14,397 100,000 SH PUT SOLE 100,000 SABA SOFTWARE INC COM NEW 784932600 8,991 900,000 SH SOLE 900,000 SEAGATE TECHNOLOGY PLC SHS G7945M107 6,192 200,000 SH PUT SOLE 200,000 SENSATA TECHNOLOGIES HLDG BV SHS N7902X106 1,489 50,000 SH SOLE 50,000 SONUS NETWORKS INC COM 835916107 113 60,000 SH SOLE 60,000 ST JUDE MED INC COM 790849103 211 5,000 SH SOLE 5,000 SUNOPTA INC COM 8676EP108 732 114,600 SH SOLE 114,600 SUNPOWER CORP COM 867652406 1,353 300,000 SH SOLE 300,000 SYNERGETICS USA INC COM 87160G107 247 50,000 SH SOLE 50,000 TESLA MTRS INC COM 88160R101 732 25,000 SH SOLE 25,000 TETRA TECHNOLOGIES INC DEL COM 88162F105 355 13,500 SH SOLE 13,500 THERMON GROUP HLDGS INC COM 88362T103 875 35,000 SH SOLE 35,000 TITAN MACHY INC COM 88830R101 6,591 325,000 SH SOLE 325,000 TIVO INC COM 888706108 5,215 500,000 SH SOLE 500,000 TRONOX LTD SHS CL A Q9235V101 9,848 434,800 SH SOLE 434,800 TSAKOS ENERGY NAVIGATION LTD SHS G9108L108 708 136,600 SH SOLE 136,600 UNITED RENTALS INC COM 911363109 25,694 785,500 SH SOLE 785,500 UNITED RENTALS INC COM 911363109 8,178 250,000 SH CALL SOLE - UNITEDHEALTH GROUP INC COM 91324P102 416 7,500 SH SOLE 7,500 UNIVERSAL DISPLAY CORP COM 91347P105 5,493 160,000 SH SOLE 160,000 UNIVERSAL HLTH SVCS INC CL B 913903100 549 12,000 SH SOLE 12,000 VALERO ENERGY CORP NEW COM 91913Y100 792 25,000 SH SOLE 25,000 WATSON PHARMACEUTICALS INC COM 942683103 17,884 210,000 SH SOLE 210,000

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 ---------------------------- ---------------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- WESTPORT INNOVATIONS INC COM NEW 960908309 8,770 315,000 SH SOLE 315,000 WORLD ENERGY SOLUTIONS INC D COM NEW 98145W208 3,327 792,250 SH SOLE 792,250 YOUKU TUDOU INC SPONSORED ADR 98742U100 5,168 281,000 SH SOLE 281,000 ZBB ENERGY CORPORATION COM 98876R204 728 2,620,000 SH SOLE 2,620,000