ARDSLEY ADVISORY PARTNERS LP Hedge Fund

Location: Norwalk, CT

CIK: 0000900529 · Show all filings

Period: Q1 2026 (← Previous) (Next →)

Filing Date: May 15, 2026

Total Value: $784M (100.0% shares, 0.0% debt)

Holdings (151)

SPY STATE STR SPDR S&P 500 ETF T 4.1%
Value $31.87M Shares 49,000 Est. Cost Unrealized
UTHR UNITED THERAPEUTICS CORP DEL 3.8%
Value $29.65M Shares 50,000 Est. Cost $480.44 Unrealized 0.0%
AVGO BROADCOM INC 3.5%
Value $27.71M Shares 89,500 Est. Cost $248.71 Unrealized +34.4%
SNDK SANDISK CORP 3.4%
Value $26.71M Shares 42,000 Est. Cost $58.39 Unrealized +784.5%
AMZN AMAZON COM INC 2.8%
Value $22.08M Shares 106,000 Est. Cost $208.16 Unrealized +9.0%
ANET ARISTA NETWORKS INC 2.7%
Value $21.33M Shares 173,700 Est. Cost $126.54 Unrealized +6.7%
SMTC SEMTECH CORP 2.5%
Value $19.9M Shares 258,750 Est. Cost $66.77 Unrealized +23.5%
MOD MODINE MFG CO 2.5%
Value $19.74M Shares 91,100 Est. Cost $175.40 Unrealized +0.6%
SEZL SEZZLE INC 2.4%
Value $18.99M Shares 300,000 Est. Cost $68.03 Unrealized -0.8%
TEVA TEVA PHARMACEUTICAL INDS LTD 2.1%
Value $16.72M Shares 555,000 Est. Cost $18.96 Unrealized
META META PLATFORMS INC 2.0%
Value $16.02M Shares 28,000 Est. Cost $656.41 Unrealized -0.1%
AVGO BROADCOM INC 2.0%
Value $15.48M Shares 50,000 Est. Cost $248.71 Unrealized +34.4%
RUN SUNRUN INC 2.0%
Value $15.39M Shares 1,135,000 Est. Cost $13.27 Unrealized +44.4%
NVDA NVIDIA CORPORATION 1.9%
Value $15.26M Shares 87,500 Est. Cost $148.22 Unrealized +25.9%
WULF TERAWULF INC 1.9%
Value $15.12M Shares 1,050,000 Est. Cost $4.48 Unrealized +225.5%
BTSG BRIGHTSPRING HEALTH SVCS INC 1.9%
Value $14.91M Shares 350,000 Est. Cost $22.45 Unrealized +75.6%
SHLS SHOALS TECHNOLOGIES GROUP IN 1.9%
Value $14.87M Shares 2,260,000 Est. Cost $9.37 Unrealized +0.5%
VIAV VIAVI SOLUTIONS INC 1.7%
Value $13.32M Shares 400,000 Est. Cost $16.15 Unrealized +42.3%
EBAY EBAY INC. 1.6%
Value $12.79M Shares 140,500 Est. Cost $88.20 Unrealized +1.3%
AMLP ALPS ETF TR 1.3%
Value $10.53M Shares 200,000 Est. Cost $52.64 Unrealized
AMZN AMAZON COM INC 1.3%
Value $9.997M Shares 48,000 Est. Cost $208.16 Unrealized +9.0%
NU NU HLDGS LTD 1.2%
Value $9.7M Shares 675,000 Est. Cost $12.71 Unrealized +36.4%
BKD BROOKDALE SR LIVING INC 1.2%
Value $9.439M Shares 690,000 Est. Cost $13.85 Unrealized 0.0%
BSX BOSTON SCIENTIFIC CORP 1.2%
Value $9.412M Shares 150,000 Est. Cost $85.82 Unrealized 0.0%
GOOG ALPHABET INC 1.1%
Value $8.606M Shares 30,000 Est. Cost $176.69 Unrealized +83.2%
AMAT APPLIED MATLS INC 1.1%
Value $8.545M Shares 25,000 Est. Cost $326.57 Unrealized 0.0%
SNDK SANDISK CORP 1.1%
Value $8.259M Shares 13,000 Est. Cost $58.39 Unrealized +784.5%
EQIX EQUINIX INC 1.0%
Value $7.793M Shares 7,950 Est. Cost $764.11 Unrealized 0.0%
AGI ALAMOS GOLD INC 1.0%
Value $7.775M Shares 175,000 Est. Cost $28.59 Unrealized +48.8%
AAPL APPLE INC 1.0%
Value $7.614M Shares 30,000 Est. Cost Unrealized
NOW SERVICENOW INC 1.0%
Value $7.58M Shares 72,500 Est. Cost $129.42 Unrealized -6.4%
LSCC LATTICE SEMICONDUCTOR CORP 1.0%
Value $7.56M Shares 81,500 Est. Cost $62.60 Unrealized
HUT HUT 8 CORP 0.9%
Value $7.037M Shares 150,000 Est. Cost $18.53 Unrealized +205.4%
AVY AVERY DENNISON CORP 0.9%
Value $6.907M Shares 40,000 Est. Cost $180.29 Unrealized +4.9%
XLU SELECT SECTOR SPDR TR 0.9%
Value $6.876M Shares 150,000 Est. Cost $43.76 Unrealized
ZM ZOOM COMMUNICATIONS INC 0.9%
Value $6.698M Shares 83,000 Est. Cost $88.07 Unrealized 0.0%
VZ VERIZON COMMUNICATIONS INC 0.8%
Value $6.526M Shares 130,000 Est. Cost $43.82 Unrealized 0.0%
WGS GENEDX HOLDINGS CORP 0.8%
Value $6.422M Shares 100,000 Est. Cost $88.68 Unrealized +14.0%
CVS CVS HEALTH CORP 0.8%
Value $6.105M Shares 85,000 Est. Cost $64.19 Unrealized +21.5%
ALK ALASKA AIR GROUP INC 0.8%
Value $6.069M Shares 165,000 Est. Cost $52.50 Unrealized 0.0%
MIR MIRION TECHNOLOGIES INC 0.8%
Value $6.042M Shares 325,000 Est. Cost $14.77 Unrealized +63.7%
TWLO TWILIO INC 0.8%
Value $5.939M Shares 47,200 Est. Cost $123.87 Unrealized -1.6%
CIFR CIPHER DIGITAL INC 0.7%
Value $5.787M Shares 450,000 Est. Cost $16.67 Unrealized 0.0%
MU MICRON TECHNOLOGY INC 0.7%
Value $5.743M Shares 17,000 Est. Cost $387.04 Unrealized 0.0%
BOX BOX INC 0.7%
Value $5.579M Shares 236,000 Est. Cost $25.61 Unrealized 0.0%
CWEN CLEARWAY ENERGY INC 0.7%
Value $5.501M Shares 140,000 Est. Cost $28.89 Unrealized +27.0%
OKTA OKTA INC 0.7%
Value $5.321M Shares 67,600 Est. Cost $86.19 Unrealized 0.0%
SKE SKEENA RES LTD NEW 0.7%
Value $5.201M Shares 175,000 Est. Cost $30.52 Unrealized 0.0%
BWXT BWX TECHNOLOGIES INC 0.7%
Value $5.112M Shares 25,000 Est. Cost $116.37 Unrealized +74.4%
ADI ANALOG DEVICES INC 0.6%
Value $5.09M Shares 16,000 Est. Cost $316.17 Unrealized 0.0%
XIFR XPLR INFRASTRUCTURE LP 0.6%
Value $5.045M Shares 475,000 Est. Cost $12.64 Unrealized -18.6%
DNN DENISON MINES CORP 0.6%
Value $4.942M Shares 1,400,000 Est. Cost $2.16 Unrealized +74.2%
MU MICRON TECHNOLOGY INC 0.6%
Value $4.727M Shares 14,000 Est. Cost $387.04 Unrealized 0.0%
LLY ELI LILLY & CO 0.6%
Value $4.599M Shares 5,000 Est. Cost $955.55 Unrealized +9.6%
LITE LUMENTUM HLDGS INC 0.6%
Value $4.365M Shares 6,200 Est. Cost $124.70 Unrealized +274.6%
ATEX ANTERIX INC 0.5%
Value $4.201M Shares 110,000 Est. Cost $27.41 Unrealized 0.0%
VCYT VERACYTE INC 0.5%
Value $4.026M Shares 125,000 Est. Cost $40.31 Unrealized -2.5%
ROKU ROKU INC 0.5%
Value $3.927M Shares 41,500 Est. Cost $97.34 Unrealized +1.2%
EQIX EQUINIX INC 0.5%
Value $3.921M Shares 4,000 Est. Cost $764.11 Unrealized 0.0%
FLR FLUOR CORP 0.5%
Value $3.849M Shares 82,500 Est. Cost $42.64 Unrealized +9.7%
NFLX NETFLIX INC. 0.5%
Value $3.846M Shares 40,000 Est. Cost $87.43 Unrealized -4.1%
ADMA ADMA BIOLOGICS INC 0.5%
Value $3.829M Shares 425,000 Est. Cost $16.96 Unrealized 0.0%
HON HONEYWELL INTL INC 0.5%
Value $3.729M Shares 16,500 Est. Cost $225.93 Unrealized 0.0%
PROF PROFOUND MED CORP 0.5%
Value $3.726M Shares 575,000 Est. Cost $7.58 Unrealized -1.8%
HPE HEWLETT PACKARD ENTERPRISE C 0.5%
Value $3.691M Shares 155,000 Est. Cost Unrealized
WMB WILLIAMS COS INC 0.5%
Value $3.639M Shares 50,000 Est. Cost $57.82 Unrealized +14.8%
TAC TRANSALTA CORP 0.5%
Value $3.615M Shares 275,000 Est. Cost $11.62 Unrealized +11.3%
NXE NEXGEN ENERGY LTD 0.4%
Value $3.48M Shares 300,000 Est. Cost $8.43 Unrealized +41.1%
BKD BROOKDALE SR LIVING INC 0.4%
Value $3.42M Shares 250,000 Est. Cost $13.85 Unrealized 0.0%
ORA ORMAT TECHNOLOGIES INC 0.4%
Value $3.358M Shares 30,000 Est. Cost $109.32 Unrealized +10.2%
ENPH ENPHASE ENERGY INC 0.4%
Value $3.214M Shares 85,000 Est. Cost $37.34 Unrealized +10.5%
ANET ARISTA NETWORKS INC 0.4%
Value $3.07M Shares 25,000 Est. Cost $126.54 Unrealized +6.7%
DOCN DIGITALOCEAN HLDGS INC 0.4%
Value $3.002M Shares 35,000 Est. Cost Unrealized
MSFT MICROSOFT CORP 0.4%
Value $2.96M Shares 8,000 Est. Cost $415.18 Unrealized +4.7%
BRBR BELLRING BRANDS INC 0.4%
Value $2.816M Shares 175,000 Est. Cost $31.04 Unrealized -28.5%
ARM ARM HOLDINGS PLC 0.3%
Value $2.723M Shares 18,000 Est. Cost $151.28 Unrealized
FLNC FLUENCE ENERGY INC 0.3%
Value $2.546M Shares 185,000 Est. Cost $22.74 Unrealized 0.0%
METC RAMACO RES INC 0.3%
Value $2.474M Shares 160,000 Est. Cost $20.31 Unrealized -3.3%
TIC TIC SOLUTIONS INC 0.3%
Value $2.467M Shares 375,000 Est. Cost $10.64 Unrealized -3.7%
CCJ CAMECO CORP 0.3%
Value $2.444M Shares 22,500 Est. Cost $76.65 Unrealized +51.7%
COHR COHERENT CORP 0.3%
Value $2.382M Shares 10,000 Est. Cost Unrealized
BOX BOX INC 0.3%
Value $2.364M Shares 100,000 Est. Cost $25.61 Unrealized 0.0%
INTC INTEL CORP 0.3%
Value $2.342M Shares 53,000 Est. Cost $25.07 Unrealized +85.2%
SMTC SEMTECH CORP 0.3%
Value $2.307M Shares 30,000 Est. Cost $66.77 Unrealized +23.5%
WOLF WOLFSPEED INC 0.3%
Value $2.288M Shares 140,000 Est. Cost $22.94 Unrealized -20.4%
NET CLOUDFLARE INC 0.3%
Value $2.228M Shares 10,800 Est. Cost $182.40 Unrealized 0.0%
TER TERADYNE INC 0.3%
Value $2.223M Shares 7,500 Est. Cost $103.78 Unrealized +156.2%
ORN ORION GROUP HLDGS INC 0.3%
Value $2.18M Shares 200,000 Est. Cost $7.72 Unrealized +60.0%
RSP INVESCO EXCHANGE TRADED FD T 0.3%
Value $2.111M Shares 11,000 Est. Cost $191.92 Unrealized
AMPX AMPRIUS TECHNOLOGIES INC 0.3%
Value $2.106M Shares 125,000 Est. Cost $10.86 Unrealized 0.0%
FTNT FORTINET INC 0.3%
Value $2.092M Shares 25,600 Est. Cost $79.98 Unrealized 0.0%
UPWK UPWORK INC 0.3%
Value $2.082M Shares 190,000 Est. Cost $17.93 Unrealized 0.0%
FFIV F5 INC 0.3%
Value $2.054M Shares 7,100 Est. Cost $272.46 Unrealized 0.0%
FTNT FORTINET INC 0.3%
Value $2.043M Shares 25,000 Est. Cost $79.98 Unrealized 0.0%
HASI HA SUSTAINABLE INFRA CAP INC 0.3%
Value $2.021M Shares 55,000 Est. Cost $22.78 Unrealized +54.4%
DIOD DIODES INC 0.3%
Value $2.014M Shares 29,500 Est. Cost $60.99 Unrealized 0.0%
ZM ZOOM COMMUNICATIONS INC 0.2%
Value $1.849M Shares 23,000 Est. Cost $88.07 Unrealized 0.0%
UBER UBER TECHNOLOGIES INC 0.2%
Value $1.762M Shares 24,500 Est. Cost $78.72 Unrealized 0.0%
BE BLOOM ENERGY CORP 0.2%
Value $1.753M Shares 13,000 Est. Cost $96.67 Unrealized +49.6%
NVDA NVIDIA CORPORATION 0.2%
Value $1.744M Shares 10,000 Est. Cost $148.22 Unrealized +25.9%
AMD ADVANCED MICRO DEVICES INC 0.2%
Value $1.627M Shares 8,000 Est. Cost $221.70 Unrealized 0.0%
AEIS ADVANCED ENERGY INDS 0.2%
Value $1.614M Shares 5,000 Est. Cost $150.20 Unrealized +80.1%
MTZ MASTEC INC 0.2%
Value $1.609M Shares 5,000 Est. Cost $183.12 Unrealized +36.6%
ALDX ALDEYRA THERAPEUTICS INC 0.2%
Value $1.605M Shares 950,000 Est. Cost $4.90 Unrealized +1.3%
EQT EQT CORP 0.2%
Value $1.591M Shares 25,000 Est. Cost $56.13 Unrealized -1.5%
EOSE EOS ENERGY ENTERPRISES INC 0.2%
Value $1.488M Shares 300,000 Est. Cost $6.84 Unrealized +102.4%
DT DYNATRACE INC 0.2%
Value $1.479M Shares 40,000 Est. Cost $38.41 Unrealized 0.0%
ET ENERGY TRANSFER L P 0.2%
Value $1.441M Shares 75,000 Est. Cost $18.30 Unrealized
STKL SUNOPTA INC 0.2%
Value $1.426M Shares 220,000 Est. Cost $6.62 Unrealized -22.0%
CEG CONSTELLATION ENERGY CORP 0.2%
Value $1.393M Shares 5,000 Est. Cost $301.15 Unrealized 0.0%
ITRI ITRON INC 0.2%
Value $1.344M Shares 15,000 Est. Cost $108.26 Unrealized -8.8%
ESOA ENERGY SERVICES OF AMER CORP 0.2%
Value $1.313M Shares 100,000 Est. Cost $10.26 Unrealized +2.3%
MOS MOSAIC CO 0.2%
Value $1.275M Shares 50,000 Est. Cost Unrealized
NOW SERVICENOW INC 0.2%
Value $1.255M Shares 12,000 Est. Cost $129.42 Unrealized -6.4%
SPWR SUNPOWER INC 0.2%
Value $1.219M Shares 960,000 Est. Cost $1.67 Unrealized -1.5%
PI IMPINJ INC 0.2%
Value $1.181M Shares 11,500 Est. Cost $166.79 Unrealized -8.9%
TXN TEXAS INSTRS INC 0.1%
Value $1.165M Shares 6,000 Est. Cost $170.73 Unrealized +20.8%
TASK TASKUS INC 0.1%
Value $1.141M Shares 170,000 Est. Cost $10.97 Unrealized 0.0%
XLF SELECT SECTOR SPDR TR 0.1%
Value $1.136M Shares 23,000 Est. Cost $49.39 Unrealized
CNXC CONCENTRIX CORP 0.1%
Value $1.094M Shares 40,000 Est. Cost Unrealized
LODE COMSTOCK INC 0.1%
Value $1.067M Shares 350,000 Est. Cost $3.38 Unrealized 0.0%
DQ DAQO NEW ENERGY CORP 0.1%
Value $1.063M Shares 50,000 Est. Cost $28.13 Unrealized
XLF SELECT SECTOR SPDR TR 0.1%
Value $987K Shares 20,000 Est. Cost $49.39 Unrealized
MGNI MAGNITE INC 0.1%
Value $927K Shares 78,000 Est. Cost $13.81 Unrealized 0.0%
PLXS PLEXUS CORP 0.1%
Value $911K Shares 4,500 Est. Cost $186.06 Unrealized 0.0%
CRTO CRITEO S A 0.1%
Value $905K Shares 50,500 Est. Cost $17.93 Unrealized
AMSC AMERICAN SUPERCONDUCTOR CORP 0.1%
Value $846K Shares 25,000 Est. Cost $31.71 Unrealized 0.0%
INTC INTEL CORP 0.1%
Value $794K Shares 18,000 Est. Cost $25.07 Unrealized +85.2%
MGNI MAGNITE INC 0.1%
Value $772K Shares 65,000 Est. Cost $13.81 Unrealized 0.0%
EXLS EXLSERVICE HLDGS INC 0.1%
Value $761K Shares 25,000 Est. Cost Unrealized
RAMP LIVERAMP HLDGS INC 0.1%
Value $743K Shares 28,000 Est. Cost $25.33 Unrealized 0.0%
MP MP MATERIALS CORP 0.1%
Value $724K Shares 15,000 Est. Cost $61.74 Unrealized 0.0%
ARRY ARRAY TECHNOLOGIES INC 0.1%
Value $723K Shares 100,000 Est. Cost $10.13 Unrealized +5.1%
LSCC LATTICE SEMICONDUCTOR CORP 0.1%
Value $649K Shares 7,000 Est. Cost $62.60 Unrealized
HIMX HIMAX TECHNOLOGIES INC 0.1%
Value $630K Shares 80,000 Est. Cost $7.87 Unrealized
TWLO TWILIO INC 0.1%
Value $629K Shares 5,000 Est. Cost $123.87 Unrealized -1.6%
HIMX HIMAX TECHNOLOGIES INC 0.1%
Value $622K Shares 79,000 Est. Cost $7.87 Unrealized
S SENTINELONE INC 0.1%
Value $592K Shares 46,000 Est. Cost $13.96 Unrealized 0.0%
DIS DISNEY WALT CO 0.1%
Value $578K Shares 6,000 Est. Cost $109.45 Unrealized 0.0%
ALDX ALDEYRA THERAPEUTICS INC 0.1%
Value $507K Shares 300,000 Est. Cost $4.90 Unrealized +1.3%
TASK TASKUS INC 0.1%
Value $436K Shares 65,000 Est. Cost $10.97 Unrealized 0.0%
OKTA OKTA INC 0.1%
Value $394K Shares 5,000 Est. Cost $86.19 Unrealized 0.0%
LXU LSB INDS INC 0.0%
Value $373K Shares 25,000 Est. Cost $9.63 Unrealized 0.0%
RAMP LIVERAMP HLDGS INC 0.0%
Value $371K Shares 14,000 Est. Cost $25.33 Unrealized 0.0%
IE IVANHOE ELECTRIC INC 0.0%
Value $296K Shares 25,000 Est. Cost $17.36 Unrealized 0.0%
FCEL FUELCELL ENERGY INC 0.0%
Value $294K Shares 45,000 Est. Cost $8.04 Unrealized 0.0%
ALB ALBEMARLE CORP 0.0%
Value $269K Shares 1,500 Est. Cost $171.25 Unrealized 0.0%
TDC TERADATA CORP DEL 0.0%
Value $256K Shares 10,000 Est. Cost $30.27 Unrealized 0.0%
SNAP SNAP INC 0.0%
Value $230K Shares 50,000 Est. Cost $7.91 Unrealized -16.6%
BIOX BIOCERES CROP SOLUTIONS CORP 0.0%
Value $211K Shares 475,000 Est. Cost $2.91 Unrealized -67.8%
TDC TERADATA CORP DEL 0.0%
Value $205K Shares 8,000 Est. Cost $30.27 Unrealized 0.0%