13F-HR 1 p12-0237form13fhr.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: December 31, 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 2/9/12 ------------------------ --------------------------- ------------ [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: 88 ------------- Form 13F Information Table Value Total: $ 478,633 ------------- (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 ---------------------------- ---------------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- ACTIVE POWER INC COM 00504W100 1,139 1,725,000 SH SOLE 1,725,000 0 0 ADA ES INC COM 005208103 716 31,630 SH SOLE 31,630 0 0 AETNA INC NEW COM 00817Y108 18,986 450,000 SH SOLE 450,000 0 0 AFLAC INC COM 001055102 4,326 100,000 SH SOLE 100,000 0 0 AFLAC INC COM 001055102 4,326 100,000 SH CALL SOLE 0 0 0 ALLOT COMMUNICATIONS LTD SHS M0854Q105 5,366 353,000 SH SOLE 353,000 0 0 AMARIN CORP PLC SPONS ADR NEW 023111206 47,187 6,300,000 SH SOLE 6,300,000 0 0 AMERESCO INC CL A 02361E108 2,058 150,000 SH SOLE 150,000 0 0 AMERICAN RAILCAR INDS INC COM 02916P103 957 40,000 SH SOLE 40,000 0 0 ARRIS GROUP INC COM 04269Q100 325 30,000 SH SOLE 30,000 0 0 ARTHROCARE CORP COM 043136100 36,727 1,159,300 SH SOLE 1,159,300 0 0 BP PLC SPONSORED ADR 055622104 8,548 200,000 SH CALL SOLE 0 0 0 BRIDGEPOINT ED INC COM 10807M105 9,400 408,700 SH SOLE 408,700 0 0 C&J ENERGY SVCS INC COM 12467B304 7,326 350,000 SH SOLE 350,000 0 0 CABOT OIL & GAS CORP COM 127097103 8,045 106,000 SH SOLE 106,000 0 0 CALAVO GROWERS INC COM 128246105 1,027 40,000 SH SOLE 40,000 0 0 CALPINE CORP COM NEW 131347304 817 50,000 SH SOLE 50,000 0 0 CAMERON INTERNATIONAL CORP COM 13342B105 8,608 175,000 SH SOLE 175,000 0 0 CEREPLAST INC COM NEW 156732307 38 39,200 SH SOLE 39,200 0 0 CHENIERE ENERGY INC COM NEW 16411R208 1,086 125,000 SH SOLE 125,000 0 0 CHINA GREEN AGRICULTURE INC COM 16943W105 870 290,000 SH SOLE 290,000 0 0 CHINA HYDROELECTRIC CORP SPONSORED ADR 16949D101 128 112,450 SH SOLE 112,450 0 0 CHINA LODGING GROUP LTD SPONSORED ADR 16949N109 142 10,000 SH SOLE 10,000 0 0 CHINA VALVES TECHNOLOGY INC COM NEW 169476207 1,444 678,000 SH SOLE 678,000 0 0 CHINA YIDA HOLDINGS CO COM NEW 16945D204 535 280,000 SH SOLE 280,000 0 0 COMMERCIAL METALS CO COM 201723103 346 25,000 SH SOLE 25,000 0 0 COMVERGE INC COM 205859101 3,818 3,030,000 SH SOLE 3,030,000 0 0 CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 257 11,000 SH SOLE 11,000 0 0 ECOTALITY INC COM NEW 27922Y202 496 458,882 SH SOLE 458,882 0 0 ENERGYSOLUTIONS INC COM 292756202 695 225,000 SH SOLE 225,000 0 0 ENERGY XXI (BERMUDA) LTD USD UNRS SHS G10082140 6,376 200,000 SH SOLE 200,000 0 0 ENERNOC INC COM 292764107 1,359 125,000 SH SOLE 125,000 0 0 ENSCO PLC SPONSORED ADR 29358Q109 10,557 225,000 SH SOLE 225,000 0 0 ENTEROMEDICS INC COM NEW 29365M208 4,208 2,475,000 SH SOLE 2,475,000 0 0 FIRST SOLAR INC COM 336433107 9,622 285,000 SH SOLE 285,000 0 0 FIRST SOLAR INC COM 336433107 11,816 350,000 SH CALL SOLE 0 0 0 FLOW INTL CORP COM 343468904 525 150,000 SH SOLE 150,000 0 0 FUEL SYS SOLUTIONS INC COM 35952W103 1,402 85,000 SH SOLE 85,000 0 0 FUEL TECH INC COM 359523107 329 50,000 SH SOLE 50,000 0 0 FUSHI COPPERWELD INC COM 36113E107 5,640 750,000 SH SOLE 750,000 0 0 FUTUREFUEL CORPORATION COM 36116M106 972 78,300 SH SOLE 78,300 0 0 GANNETT INC COM 364730101 5,729 428,500 SH CALL SOLE 0 0 0 GENERAC HLDGS INC COM 368736104 420 15,000 SH SOLE 15,000 0 0 GENERAL ELECTRIC CO COM 369604103 23,283 1,300,000 SH SOLE 1,300,000 0 0 GEVO INC COM 374396109 566 90,000 SH SOLE 90,000 0 0 GRAFTECH INTL LTD COM 384313102 1,024 75,000 SH SOLE 75,000 0 0 GREEN PLAINS RENEWABLE ENERG COM 393222104 732 75,000 SH SOLE 75,000 0 0 HALLIBURTON CO COM 406216101 24,157 700,000 SH CALL SOLE 0 0 0 HALOZYME THERAPEUTICS INC COM 40637H109 8,321 875,000 SH SOLE 875,000 0 0 HECKMANN CORP COM 422680108 9,643 1,450,000 SH SOLE 1,450,000 0 0 INPHI CORP COM 45772F107 5,382 450,000 SH SOLE 450,000 0 0 ITRON INC COM 465741106 1,789 50,000 SH SOLE 50,000 0 0 JOHNSON CTLS INC COM 478366107 2,501 80,000 SH SOLE 80,000 0 0 KEYNOTE SYS INC COM 493308100 6,162 300,000 SH SOLE 300,000 0 0 LINN ENERGY LLC UNIT LTD LIAB 536020100 15,164 400,000 SH SOLE 400,000 0 0 LSB INDS INC COM 502160104 841 30,000 SH SOLE 30,000 0 0 LSI CORPORATION COM 502161102 89 15,000 SH SOLE 15,000 0 0 LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 7,661 235,800 SH SOLE 235,800 0 0 MASTEC INC COM 576323109 1,476 85,000 SH SOLE 85,000 0 0
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 ---------------------------- ---------------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- MAXWELL TECHNOLOGIES INC COM 577767106 1,380 85,000 SH SOLE 85,000 0 0 MCDERMOTT INTL INC COM 580037109 2,302 200,000 SH CALL SOLE 0 0 0 MERCK & CO INC NEW COM 58933Y105 26,390 700,000 SH SOLE 700,000 0 0 MGM RESORTS INTERNATIONAL COM 552953101 3,651 350,000 SH SOLE 350,000 0 0 MOLYCORP INC DEL COM 608753109 360 15,000 SH SOLE 15,000 0 0 NCI BUILDING SYS INC COM NEW 628852204 1,359 125,000 SH SOLE 125,000 0 0 NEXTERA ENERGY INC COM 65339F101 2,740 45,000 SH SOLE 45,000 0 0 OCCIDENTAL PETE CORP DEL COM 674599105 3,748 40,000 SH SOLE 40,000 0 0 ORMAT TECHNOLOGIES INC COM 686688102 5,108 283,300 SH SOLE 283,300 0 0 PFIZER INC COM 717081103 25,968 1,200,000 SH SOLE 1,200,000 0 0 PFIZER INC COM 717081103 2,164 100,000 SH CALL SOLE 0 0 0 PIONEER NAT RES CO COM 723787107 3,579 40,000 SH SOLE 40,000 0 0 PROCERA NETWORKS INC COM NEW 74269U203 156 10,000 SH SOLE 10,000 0 0 PROSHARES TR II ULTRASHRT EURO 74347W882 1,526 75,000 SH SOLE 75,000 0 0 PULTE GROUP INC COM 745867101 4,417 700,000 SH SOLE 700,000 0 0 RADIAN GROUP INC COM 750236101 4,691 2,004,600 SH SOLE 2,004,600 0 0 RF MICRODEVICES INC COM 749941100 54 10,000 SH SOLE 10,000 0 0 ROCKWOOD HLDGS INC COM 774415103 984 25,000 SH SOLE 25,000 0 0 SENSATA TECHNOLOGIES HLDG BV SHS N7902X106 3,285 125,000 SH SOLE 125,000 0 0 SYNUTRA INTL INC COM 87164C102 1,341 265,000 SH SOLE 265,000 0 0 THERMON GROUP HLDGS INC COM 88362T103 793 45,000 SH SOLE 45,000 0 0 TIVO INC COM 888706108 4,485 500,000 SH SOLE 500,000 0 0 TRINITY INDS INC COM 896522109 752 25,000 SH SOLE 25,000 0 0 UNITED CONTL HLDGS INC COM 910047109 5,661 300,000 SH SOLE 300,000 0 0 UNITED RENTALS INC COM 911363109 8,126 275,000 SH SOLE 275,000 0 0 UNIVERSAL DISPLAY CORP COM 91347P105 734 20,000 SH SOLE 20,000 0 0 WESTPORT INNOVATIONS INC COM NEW 960908309 15,457 465,000 SH SOLE 465,000 0 0 WORLD ENERGY SOLUTIONS INC D COM NEW 98145W208 1,936 641,049 SH SOLE 641,049 0 0 ZBB ENERGY CORPORATION COM 98876R204 2,001 2,817,831 SH SOLE 2,817,831 0 0