0001172661-26-002039.txt : 20260515 0001172661-26-002039.hdr.sgml : 20260515 20260515085646 ACCESSION NUMBER: 0001172661-26-002039 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20260331 FILED AS OF DATE: 20260515 DATE AS OF CHANGE: 20260515 EFFECTIVENESS DATE: 20260515 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ARDSLEY ADVISORY PARTNERS LP CENTRAL INDEX KEY: 0000900529 ORGANIZATION NAME: EIN: 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: 26982696 BUSINESS ADDRESS: STREET 1: 105 ROWAYTON AVE CITY: NORWALK STATE: CT ZIP: 06853 BUSINESS PHONE: 203-564-4230 MAIL ADDRESS: STREET 1: 105 ROWAYTON AVE CITY: NORWALK STATE: CT ZIP: 06853 FORMER COMPANY: FORMER CONFORMED NAME: ARDSLEY ADVISORY PARTNERS DATE OF NAME CHANGE: 19940208 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE false true false 0000900529 XXXXXXXX 03-31-2026 03-31-2026 false ARDSLEY ADVISORY PARTNERS LP

105 Rowayton Ave Norwalk CT 06853

13F HOLDINGS REPORT 028-04639 000301116 801-114966 N Steven Napoli 203-564-4230 /s/ Steven Napoli Stamford CT 05-15-2026 0 151 784359571 INFORMATION TABLE 2 infotable.xml ADMA BIOLOGICS INC COM 000899104 3829250 425000 SH SOLE 425000 0 0 ADVANCED ENERGY INDS COM 007973100 1613550 5000 SH SOLE 5000 0 0 ADVANCED MICRO DEVICES INC COM 007903107 1627440 8000 SH SOLE 8000 0 0 ALAMOS GOLD INC COM CL A 011532108 7775250 175000 SH SOLE 175000 0 0 ALASKA AIR GROUP INC COM 011659109 6068700 165000 SH SOLE 165000 0 0 ALBEMARLE CORP COM 012653101 269295 1500 SH SOLE 1500 0 0 ALDEYRA THERAPEUTICS INC COM 01438T106 1605500 950000 SH SOLE 950000 0 0 ALDEYRA THERAPEUTICS INC COM 01438T106 507000 300000 SH Call SOLE 300000 0 0 ALPHABET INC CAP STK CL C 02079K107 8605800 30000 SH SOLE 30000 0 0 ALPS ETF TR ALERIAN MLP 00162Q452 10528000 200000 SH SOLE 200000 0 0 AMAZON COM INC COM 023135106 22076620 106000 SH SOLE 106000 0 0 AMAZON COM INC COM 023135106 9996960 48000 SH Call SOLE 48000 0 0 AMERICAN SUPERCONDUCTOR CORP SHS NEW 030111207 846250 25000 SH SOLE 25000 0 0 AMPRIUS TECHNOLOGIES INC COMMON STOCK 03214Q108 2106250 125000 SH SOLE 125000 0 0 ANALOG DEVICES INC COM 032654105 5090240 16000 SH SOLE 16000 0 0 ANTERIX INC COM 03676C100 4200900 110000 SH SOLE 110000 0 0 APPLE INC COM 037833100 7613700 30000 SH Put SOLE 30000 0 0 APPLIED MATLS INC COM 038222105 8544750 25000 SH SOLE 25000 0 0 ARISTA NETWORKS INC COM SHS 040413205 21326886 173700 SH SOLE 173700 0 0 ARISTA NETWORKS INC COM SHS 040413205 3069500 25000 SH Call SOLE 25000 0 0 ARM HOLDINGS PLC SPONSORED ADS 042068205 2723040 18000 SH SOLE 18000 0 0 ARRAY TECHNOLOGIES INC COM SHS 04271T100 723000 100000 SH SOLE 100000 0 0 AVERY DENNISON CORP COM 053611109 6907200 40000 SH SOLE 40000 0 0 BELLRING BRANDS INC COMMON STOCK 07831C103 2815750 175000 SH SOLE 175000 0 0 BIOCERES CROP SOLUTIONS CORP SHS G1117K114 211328 475000 SH SOLE 475000 0 0 BLOOM ENERGY CORP COM CL A 093712107 1752530 13000 SH SOLE 13000 0 0 BOSTON SCIENTIFIC CORP COM 101137107 9412500 150000 SH SOLE 150000 0 0 BOX INC CL A 10316T104 5579040 236000 SH SOLE 236000 0 0 BOX INC CL A 10316T104 2364000 100000 SH Call SOLE 100000 0 0 BRIGHTSPRING HEALTH SVCS INC COM 10950A106 14913500 350000 SH SOLE 350000 0 0 BROADCOM INC COM 11135F101 27714570 89500 SH SOLE 89500 0 0 BROADCOM INC COM 11135F101 15475500 50000 SH Call SOLE 50000 0 0 BROOKDALE SR LIVING INC COM 112463104 3420000 250000 SH SOLE 250000 0 0 BROOKDALE SR LIVING INC COM 112463104 9439200 690000 SH Call SOLE 690000 0 0 BWX TECHNOLOGIES INC COM 05605H100 5112250 25000 SH SOLE 25000 0 0 CAMECO CORP COM 13321L108 2443725 22500 SH SOLE 22500 0 0 CIPHER DIGITAL INC COM 17253J106 5787000 450000 SH SOLE 450000 0 0 CLEARWAY ENERGY INC CL C 18539C204 5500600 140000 SH SOLE 140000 0 0 CLOUDFLARE INC CL A COM 18915M107 2228040 10800 SH SOLE 10800 0 0 COHERENT CORP COM 19247G107 2382100 10000 SH Put SOLE 10000 0 0 COMSTOCK INC COM SHS 205750409 1067500 350000 SH SOLE 350000 0 0 CONCENTRIX CORP COM 20602D101 1094400 40000 SH Put SOLE 40000 0 0 CONSTELLATION ENERGY CORP COM 21037T109 1392900 5000 SH SOLE 5000 0 0 CRITEO S A SPONS ADS 226718104 905465 50500 SH SOLE 50500 0 0 CVS HEALTH CORP COM 126650100 6104700 85000 SH SOLE 85000 0 0 DAQO NEW ENERGY CORP SPNSRD ADS NEW 23703Q203 1063500 50000 SH Call SOLE 50000 0 0 DENISON MINES CORP COM 248356107 4942000 1400000 SH SOLE 1400000 0 0 DIGITALOCEAN HLDGS INC COM 25402D102 3002300 35000 SH Put SOLE 35000 0 0 DIODES INC COM 254543101 2013670 29500 SH SOLE 29500 0 0 DISNEY WALT CO COM 254687106 578220 6000 SH SOLE 6000 0 0 DYNATRACE INC COM NEW 268150109 1479200 40000 SH SOLE 40000 0 0 EBAY INC. 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