13F-HR 1 p12-1436form13fhr.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, 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 8/13/12 ------------------------ --------------------------- --------- [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: 104 ------------- Form 13F Information Table Value Total: $ 468,183 ------------- (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 ---------------------------- -------------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- 8X8 INC NEW COM 282914100 63 15,000 SH SOLE 15,000 ACTIVE POWER INC COM 00504W100 5,913 7,328,236 SH SOLE 7,328,236 ALERE INC COM 01449J105 292 15,000 SH SOLE 15,000 ALLERGAN INC COM 018490102 278 3,000 SH SOLE 3,000 AMARIN CORP PLC SPONS ADR NEW 023111206 28,703 1,985,000 SH SOLE 1,985,000 AMERESCO INC CL A 02361E108 1,491 125,000 SH SOLE 125,000 AMTECH SYS INC COM PAR $0.01N 032332504 376 100,000 SH SOLE 100,000 ANADARKO PETE CORP COM 032511107 16,550 250,000 SH SOLE 250,000 ANADARKO PETE CORP COM 032511107 13,240 200,000 SH CALL SOLE ARIAD PHARMACEUTICALS INC COM 04033A100 258 15,000 SH SOLE 15,000 ARRIS GROUP INC COM 04269Q100 3,478 250,000 SH SOLE 250,000 AVIAT NETWORKS INC COM 05366Y102 140 50,000 SH SOLE 50,000 BLYTH INC COM NEW 09643P207 7,430 215,000 SH SOLE 215,000 BOSTON SCIENTIFIC CORP COM 101137107 198 35,000 SH SOLE 35,000 BRIDGEPOINT ED INC COM 10807M105 8,175 375,000 SH SOLE 375,000 BROADCOM CORP CL A 111320107 203 6,000 SH SOLE 6,000 CABOT OIL & GAS CORP COM 127097103 8,865 225,000 SH SOLE 225,000 CALAVO GROWERS INC COM 128246105 640 25,000 SH SOLE 25,000 CALIX INC COM 13100M509 82 10,000 SH SOLE 10,000 CALPINE CORP COM NEW 131347304 2,889 175,000 SH SOLE 175,000 CARDINAL HEALTH INC COM 14149Y108 420 10,000 SH SOLE 10,000 CELESTICA INC SUB VTG SHS 15101Q108 73 10,000 SH SOLE 10,000 CELGENE CORP COM 151020104 321 5,000 SH SOLE 5,000 CEREPLAST INC COM NEW 156732307 11 39,200 SH SOLE 39,200 CHARLES RIV LABS INTL INC COM 159864107 328 10,000 SH SOLE 10,000 CHENIERE ENERGY INC COM NEW 16411R208 1,843 125,000 SH SOLE 125,000 CORNING INC COM 219350105 207 16,000 SH SOLE 16,000 COVANTA HLDG CORP COM 22282E102 3,859 225,000 SH SOLE 225,000 COVIDIEN PLC SHS G2554F113 321 6,000 SH SOLE 6,000 DEERE & CO COM 244199105 6,874 85,000 SH SOLE 85,000 DRAGONWAVE INC COM 26144M103 55 15,000 SH SOLE 15,000 ECOTALITY INC COM NEW 27922Y202 75 143,333 SH SOLE 143,333 ELLIE MAE INC COM 28849P100 4,950 275,000 SH SOLE 275,000 ENDEAVOUR INTL CORP COM NEW 29259G200 4,200 500,000 SH SOLE 500,000 ENERNOC INC COM 292764107 1,991 275,000 SH SOLE 275,000 ENPHASE ENERGY INC COM 29355A107 5,054 812,500 SH SOLE 812,500 ENSCO PLC SHS CLASS A G3157S106 11,743 250,000 SH SOLE 250,000 ENTEROMEDICS INC COM NEW 29365M208 8,968 2,599,300 SH SOLE 2,599,300 ENTROPIC COMMUNICATIONS INC COM 29384R105 56 10,000 SH SOLE 10,000 ERICSSON ADR B SEK 10 294821608 91 10,000 SH SOLE 10,000 EXTERRAN HLDGS INC COM 30225X103 956 75,000 SH SOLE 75,000 FINISAR CORP COM NEW 31787A507 150 10,000 SH SOLE 10,000 FIRST SOLAR INC COM 336433107 753 50,000 SH SOLE 50,000 FLOW INTL CORP COM 343468104 1,061 340,000 SH SOLE 340,000 FOSTER WHEELER AG COM H27178104 863 50,000 SH SOLE 50,000 FUTUREFUEL CORPORATION COM 36116M106 665 63,300 SH SOLE 63,300 GENERAL CABLE CORP DEL NEW COM 369300108 649 25,000 SH SOLE 25,000 GENERAL ELECTRIC CO COM 369604103 3,126 150,000 SH SOLE 150,000 GEVO INC COM 374396109 2,485 500,000 SH SOLE 500,000 GNC HLDGS INC COM CL A 36191G107 13,720 350,000 SH SOLE 350,000 GREENBRIER COS INC COM 393657101 1,319 75,000 SH SOLE 75,000 GT ADVANCED TECHNOLOGIES INC COM 36191U106 4,092 775,000 SH SOLE 775,000 HERBALIFE LTD COM USD SHS G4412G101 8,458 175,000 SH SOLE 175,000 HOLOGIC INC COM 436440101 361 20,000 SH SOLE 20,000 IRIS INTL INC COM 46270W105 283 25,000 SH SOLE 25,000 ITRON INC COM 465741106 4,124 100,000 SH SOLE 100,000 JAZZ PHARMACEUTICALS PLC SHS USD G50871105 4,681 104,000 SH SOLE 104,000 JOHNSON & JOHNSON COM 478160104 22,261 329,500 SH SOLE 329,500 JPMORGAN CHASE & CO COM 46625H100 10,719 300,000 SH SOLE 300,000 KBR INC COM 48242W106 7,413 300,000 SH SOLE 300,000
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 ---------------------------- -------------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- KEYNOTE SYS INC COM 493308100 4,084 275,000 SH SOLE 275,000 LINN ENERGY LLC UNIT LTD LIAB 536020100 13,335 350,000 SH SOLE 350,000 LOUISIANA PAC CORP COM 546347105 816 75,000 SH SOLE 75,000 LSB INDS INC COM 502160104 1,546 50,000 SH SOLE 50,000 MASIMO CORP COM 574795100 224 10,000 SH SOLE 10,000 MASTEC INC COM 576323109 150 10,000 SH SOLE 10,000 MAXWELL TECHNOLOGIES INC COM 577767106 1,476 225,000 SH SOLE 225,000 MEDICIS PHARMACEUTICAL CORP CL A NEW 584690309 5,635 165,000 SH SOLE 165,000 MEDTRONIC INC COM 585055106 387 10,000 SH SOLE 10,000 MEMC ELECTR MATLS INC COM 552715104 1,085 500,000 SH SOLE 500,000 MERCK & CO INC NEW COM 58933Y105 24,841 595,000 SH SOLE 595,000 MGIC INVT CORP WIS COM 552848103 8,136 2,825,000 SH SOLE 2,825,000 MGIC INVT CORP WIS COM 552848103 2,880 1,000,000 SH CALL SOLE MICRON TECHNOLOGY INC COM 595112103 189 30,000 SH SOLE 30,000 NCI BUILDING SYS INC COM NEW 628852204 2,464 227,500 SH SOLE 227,500 NEOPHOTONICS CORP COM 64051T100 69 14,000 SH SOLE 14,000 NOKIA CORP SPONSORED ADR 654902204 21 10,000 SH PUT SOLE 10,000 NRG ENERGY INC COM NEW 629377508 868 50,000 SH SOLE 50,000 ORMAT TECHNOLOGIES INC COM 686688102 2,674 125,000 SH SOLE 125,000 PATTERSON COMPANIES INC COM 703395103 276 8,000 SH SOLE 8,000 PEABODY ENERGY CORP COM 704549104 7,356 300,000 SH SOLE 300,000 PFIZER INC COM 717081103 20,470 890,000 SH SOLE 890,000 PIONEER NAT RES CO COM 723787107 9,703 110,000 SH SOLE 110,000 PIONEER NAT RES CO COM 723787107 12,085 137,000 SH CALL SOLE PLAINS EXPL& PRODTN CO COM 726505100 3,518 100,000 SH SOLE 100,000 POLYPORE INTL INC COM 73179V103 2,221 55,000 SH SOLE 55,000 PROCERA NETWORKS INC COM NEW 74269U203 9,700 399,000 SH SOLE 399,000 RADWARE LTD ORD M81873107 421 11,000 SH SOLE 11,000 REGIONAL MGMT CORP COM 75902K106 4,771 290,000 SH SOLE 290,000 SABA SOFTWARE INC COM NEW 784932600 7,795 840,000 SH SOLE 840,000 SENSATA TECHNOLOGIES HLDG BV SHS N7902X106 1,741 65,000 SH SOLE 65,000 SPREADTRUM COMMUNICATIONS IN ADR 849415203 177 10,000 SH SOLE 10,000 STAMPS COM INC COM NEW 852857200 12,952 525,000 SH SOLE 525,000 TELLABS INC COM 879664100 33 10,000 SH SOLE 10,000 TITAN MACHY INC COM 88830R101 9,870 325,000 SH SOLE 325,000 TIVO INC COM 888706108 4,750 575,000 SH SOLE 575,000 UNITED RENTALS INC COM 911363109 17,871 525,000 SH SOLE 525,000 UNIVERSAL DISPLAY CORP COM 91347P105 1,617 45,000 SH SOLE 45,000 WATSON PHARMACEUTICALS INC COM 942683103 9,767 132,000 SH SOLE 132,000 WESTPORT INNOVATIONS INC COM NEW 960908309 16,538 450,000 SH SOLE 450,000 WESTPORT INNOVATIONS INC COM NEW 960908309 919 25,000 SH PUT SOLE 25,000 WORLD ENERGY SOLUTIONS INC D COM NEW 98145W208 2,454 789,110 SH SOLE 789,110 XILINX INC COM 983919101 269 8,000 SH SOLE 8,000 ZBB ENERGY CORPORATION COM 98876R204 1,186 2,965,000 SH SOLE 2,965,000