13F-HR 1 p11-1418form13fhr.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: June 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 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 8/12/2011 --------------------------------- ------------------------ ---------- [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: 97 ----------------- Form 13F Information Table Value Total: $ 577,809 ----------------- (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 3,087 1,260,000 SH SOLE 1,260,000 ALCATEL-LUCENT SPONSORED ADR 013904305 3,029 525,000 SH SOLE 525,000 ALPHA NATURAL RESOURCES INC COM 02076X102 12,496 275,000 SH SOLE 275,000 AMARIN CORP PLC SPONS ADR NEW 023111206 49,062 3,400,000 SH SOLE 3,400,000 AMERESCO INC CL A 02361E108 2,482 175,000 SH SOLE 175,000 ANADARKO PETE CORP COM 032511107 7,676 100,000 SH SOLE 100,000 APPLIED MICRO CIRCUITS CORP COM NEW 03822W406 1,108 125,000 SH SOLE 125,000 ARTHROCARE CORP COM 043136100 30,123 900,000 SH SOLE 900,000 BONA FILM GROUP LTD SPONSORED ADS 09777B107 74 20,000 SH SOLE 20,000 BRIDGEPOINT ED INC COM 10807M105 11,250 450,000 SH SOLE 450,000 CALIX INC COM 13100M509 3,644 175,000 SH SOLE 175,000 CALPINE CORP COM NEW 131347304 1,613 100,000 SH SOLE 100,000 CEREPLAST INC COM NEW 156732307 1,099 247,500 SH SOLE 247,500 CHESAPEAKE ENERGY CORP COM 165167107 6,680 225,000 SH SOLE 225,000 CHINA HYDROELECTRIC CORP SPONSORED ADR 16949D101 917 224,750 SH SOLE 224,750 CHINA INFORMATION TECHNOLOGY COM 16950L109 104 50,000 SH SOLE 50,000 CHINA VALVES TECHNOLOGY INC COM NEW 169476207 2,600 800,000 SH SOLE 800,000 CHINA YIDA HOLDINGS CO COM NEW 16945D204 2,540 870,000 SH SOLE 870,000 COINSTAR INC COM 19259P300 11,726 215,000 SH SOLE 215,000 COMVERGE INC COM 205859101 4,901 1,650,000 SH SOLE 1,650,000 COSAN LTD SHS A G25343107 2,716 221,000 SH SOLE 221,000 COVANTA HLDG CORP COM 22282E102 3,298 200,000 SH SOLE 200,000 CVD EQUIPMENT CORP COM 126601103 1,367 105,000 SH SOLE 105,000 ECOTALITY INC COM NEW 27922Y202 3,049 1,133,333 SH SOLE 1,133,333 ELSTER GROUP SE SPONSORED ADR 290348101 1,229 75,000 SH SOLE 75,000 ENTEROMEDICS INC COM NEW 29365M208 4,555 1,680,900 SH SOLE 1,680,900 ENTROPIC COMMUNICATIONS INC COM 29384R105 6,001 675,000 SH SOLE 675,000 ESCO TECHNOLOGIES INC COM 296315104 1,840 50,000 SH SOLE 50,000 EXIDE TECHNOLOGIES COM NEW 302051206 10,123 1,325,000 SH SOLE 1,325,000 F5 NETWORKS INC COM 315616102 14,443 131,000 SH SOLE 131,000 FALCONSTOR SOFTWARE INC COM 306137100 112 25,000 SH SOLE 25,000 FUELCELL ENERGY INC COM 35952H106 2,031 1,550,000 SH SOLE 1,550,000 FUTUREFUEL CORPORATION COM 36116M106 1,137 93,900 SH SOLE 93,900 GANNETT INC COM 364730101 7,160 500,000 SH CALL SOLE GLOBAL POWER EQUIPMENT GRP I COM PAR $0.01 37941P306 1,081 40,777 SH SOLE 40,777 GLOBE SPECIALTY METALS INC COM 37954N206 2,803 125,000 SH SOLE 125,000 HALLIBURTON CO COM 406216101 85,502 1,676,500 SH CALL SOLE HALOZYME THERAPEUTICS INC COM 40637H109 7,601 1,100,000 SH SOLE 1,100,000 HARBIN ELECTRIC INC COM 41145W109 10,584 700,000 SH SOLE 700,000 HARBIN ELECTRIC INC COM 41145W109 3,780 250,000 SH CALL SOLE HECKMANN CORP COM 422680108 9,362 1,550,000 SH SOLE 1,550,000 HOLLYSYS AUTOMATION TECHNOLO SHS G45667105 117 12,500 SH PUT SOLE 12,500 HORSEHEAD HLDG CORP COM 440694305 666 50,000 SH SOLE 50,000 HOSPIRA INC COM 441060100 7,083 125,000 SH SOLE 125,000 HUMAN GENOME SCIENCES INC COM 444903108 14,724 600,000 SH SOLE 600,000 INPHI CORP COM 45772F107 8,352 480,000 SH SOLE 480,000 ISHARES TR FTSE CHINA25 IDX 464287184 4,295 100,000 SH PUT SOLE 100,000 JIAYUAN COM INTL LTD SPONSORED ADR 477374102 114 10,000 SH SOLE 10,000 JINKOSOLAR HLDG CO LTD SPONSORED ADR 47759T100 2,652 100,000 SH SOLE 100,000 JINPAN INTL LTD ORD G5138L100 637 57,000 SH SOLE 57,000 JOHNSON CTLS INC COM 478366107 7,499 180,000 SH SOLE 180,000 KEYNOTE SYS INC COM 493308100 7,571 350,000 SH SOLE 350,000 KEYUAN PETROCHEMICALS INC COM 493722102 2,056 713,800 SH SOLE 713,800 KONGZHONG CORP SPONSORED ADR 50047P104 126 25,000 SH SOLE 25,000 LINN ENERGY LLC UNIT LTD LIAB 536020100 14,651 375,000 SH SOLE 375,000 LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 14,445 375,000 SH SOLE 375,000 MARKET VECTORS ETF TR JR GOLD MINERS E 57060U589 6,896 200,000 SH SOLE 200,000 MARVELL TECHNOLOGY GROUP LTD ORD G5876H105 251 17,000 SH SOLE 17,000 MASTEC INC COM 576323109 3,451 175,000 SH SOLE 175,000 MAXWELL TECHNOLOGIES INC COM 577767106 941 58,100 SH SOLE 58,100
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 ---------------------------- ---------------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- MCDERMOTT INTL INC COM 580037109 991 50,000 SH SOLE 50,000 MELLANOX TECHNOLOGIES LTD SHS M51363113 10,434 350,000 SH SOLE 350,000 MICROSOFT CORP COM 594918104 7,800 300,000 SH SOLE 300,000 MOLYCORP INC DEL COM 608753109 14,349 235,000 SH SOLE 235,000 NETAPP INC COM 64110D104 2,903 55,000 SH SOLE 55,000 NETLOGIC MICROSYSTEMS INC COM 64118B100 243 6,000 SH SOLE 6,000 NEW ORIENTAL ED & TECH GRP I SPON ADR 647581107 335 3,000 SH SOLE 3,000 OPENWAVE SYS INC COM NEW 683718308 2,462 1,075,000 SH SOLE 1,075,000 ORACLE CORP COM 68389X105 6,582 200,000 SH SOLE 200,000 ORMAT TECHNOLOGIES INC COM 686688102 5,503 250,000 SH SOLE 250,000 PAETEC HOLDING CORP COM 695459107 72 15,000 SH SOLE 15,000 PFIZER INC COM 717081103 8,240 400,000 SH SOLE 400,000 POWER ONE INC NEW COM 73930R102 2,430 300,000 SH SOLE 300,000 QKL STORES INC COM 74732Y105 3,248 1,600,000 SH SOLE 1,600,000 QUALCOMM INC COM 747525103 5,679 100,000 SH SOLE 100,000 RADIAN GROUP INC COM 750236101 6,345 1,500,000 SH SOLE 1,500,000 ROCKWOOD HLDGS INC COM 774415103 21,701 392,500 SH SOLE 392,500 SENSATA TECHNOLOGIES HLDG BV SHS N7902X106 3,765 100,000 SH SOLE 100,000 SIERRA WIRELESS INC COM 826516106 4,676 400,000 SH SOLE 400,000 SINO CLEAN ENERGY INC COM NEW 82936G200 1,056 880,000 SH SOLE 880,000 SOHU COM INC COM 83408W103 217 3,000 SH SOLE 3,000 SOLUTIA INC COM NEW 834376501 1,143 50,000 SH SOLE 50,000 STARBUCKS CORP COM 855244109 316 8,000 SH SOLE 8,000 TEKELEC COM 879101103 5,615 615,000 SH SOLE 615,000 TESLA MTRS INC COM 88160R101 728 25,000 SH SOLE 25,000 THERMON GROUP HLDGS INC COM 88362T103 900 75,000 SH SOLE 75,000 TIMKEN CO COM 887389104 2,016 40,000 SH SOLE 40,000 TITANIUM METALS CORP COM NEW 888339207 916 50,000 SH SOLE 50,000 UNIVERSAL DISPLAY CORP COM 91347P105 877 25,000 SH SOLE 25,000 WESTPORT INNOVATIONS INC COM NEW 960908309 12,010 500,000 SH SOLE 500,000 WONDER AUTO TECHNOLOGY INC COM 978166106 4,750 1,357,000 SH SOLE 1,357,000 WOODWARD INC COM 980745103 1,046 30,000 SH SOLE 30,000 WORLD ENERGY SOLUTIONS INC D COM NEW 98145W208 2,333 555,555 SH SOLE 555,555 WUXI PHARMATECH CAYMAN INC SPONS ADR SHS 929352102 176 10,000 SH SOLE 10,000 YUCHENG TECHNOLOGIES LTD COM G98777108 164 50,000 SH SOLE 50,000 YUHE INTERNATIONAL INC COM 988432100 647 1,617,309 SH SOLE 1,617,309 ZBB ENERGY CORPORATION COM 98876R204 2,629 2,857,831 SH SOLE 2,857,831