Q3 2025 · 13F-HR
ARDSLEY ADVISORY PARTNERS LPholdings as filed
Filed 2025-11-14 · accession 0001172661-25-004897
$808.7M
Reported value
130
Positions
2025-09-30
Period end
The Brief · ARDSLEY ADVISORY PARTNERS LP · Q3 2025
AI · grounded in 13F
ARDSLEY ADVISORY PARTNERS LP closed its position in SPY, reducing exposure by $30.89M. The fund also exited positions in AMD and CLS, totaling $21.99M and $21.07M respectively. On the buy side, the fund established new positions in EOSE for $18.14M and LITE for $13.99M. Additionally, the fund increased its share count in RUN by 239.9% and FSLR by 186.6%.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 573874104 | MRVL | MARVELL TECHNOLOGY INC | $34.9M | 4.31% | 415,000 | PUT | SOLE |
| 336433107 | FSLR | FIRST SOLAR INC | $28.4M | 3.52% | 129,000 | Common | SOLE |
| 44812J104 | HUT | HUT 8 CORP | $27.8M | 3.44% | 800,000 | Common | SOLE |
| 86771W105 | RUN | SUNRUN INC | $27.7M | 3.42% | 1,600,000 | Common | SOLE |
| 68389X105 | ORCL | ORACLE CORP | $23.9M | 2.95% | 85,000 | Common | SOLE |
| 11135F101 | AVGO | BROADCOM INC | $20.0M | 2.47% | 60,500 | Common | SOLE |
| 594918104 | MSFT | MICROSOFT CORP | $19.1M | 2.36% | 37,000 | Common | SOLE |
| 02079K107 | GOOG | ALPHABET INC | $19.0M | 2.35% | 78,000 | Common | SOLE |
| 29415C101 | EOSE | EOS ENERGY ENTERPRISES INC | $18.1M | 2.24% | 1,600,000 | Common | SOLE |
| 02079K107 | GOOG | ALPHABET INC | $17.0M | 2.11% | 70,000 | CALL | SOLE |
| 023135106 | AMZN | AMAZON COM INC | $16.6M | 2.05% | 75,500 | Common | SOLE |
| 042068205 | ARM | ARM HOLDINGS PLC | $15.3M | 1.89% | 108,000 | Common | SOLE |
| 67066G104 | NVDA | NVIDIA CORPORATION | $14.7M | 1.82% | 79,000 | Common | SOLE |
| 55024U109 | LITE | LUMENTUM HLDGS INC | $14.0M | 1.73% | 86,000 | Common | SOLE |
| 219350105 | GLW | CORNING INC | $13.8M | 1.70% | 167,878 | Common | SOLE |
| 88080T104 | WULF | TERAWULF INC | $13.7M | 1.70% | 1,200,000 | Common | SOLE |
| 10950A106 | BTSG | BRIGHTSPRING HEALTH SVCS INC | $13.3M | 1.64% | 450,000 | Common | SOLE |
| 82706C108 | SIMO | SILICON MOTION TECHNOLOGY CO | $12.6M | 1.56% | 133,000 | Common | SOLE |
| 82509L107 | SHOP | SHOPIFY INC | $12.4M | 1.53% | 83,200 | Common | SOLE |
| 880770102 | TER | TERADYNE INC | $12.1M | 1.50% | 88,000 | Common | SOLE |
| 011532108 | AGI | ALAMOS GOLD INC NEW | $11.3M | 1.40% | 325,000 | Common | SOLE |
| 80004C200 | SNDK | SANDISK CORP | $11.2M | 1.39% | 100,000 | Common | SOLE |
| 04016X101 | ARGX | ARGENX SE | $11.1M | 1.37% | 15,000 | Common | SOLE |
| 881624209 | TEVA | TEVA PHARMACEUTICAL INDS LTD | $10.1M | 1.25% | 500,000 | Common | SOLE |
| 464288224 | ICLN | ISHARES TR | $10.1M | 1.24% | 650,000 | CALL | SOLE |
| G6683N103 | NU | NU HLDGS LTD | $10.0M | 1.24% | 625,000 | Common | SOLE |
| 01438T106 | ALDX | ALDEYRA THERAPEUTICS INC | $9.9M | 1.23% | 1,900,000 | Common | SOLE |
| 11135F101 | AVGO | BROADCOM INC | $9.9M | 1.22% | 30,000 | CALL | SOLE |
| 679295105 | OKTA | OKTA INC | $9.7M | 1.20% | 106,000 | Common | SOLE |
| 44812J104 | HUT | HUT 8 CORP | $9.6M | 1.18% | 275,000 | CALL | SOLE |
| 03823U102 | AAOI | APPLIED OPTOELECTRONICS INC | $9.6M | 1.18% | 364,500 | Common | SOLE |
| 65341B106 | XIFR | XPLR INFRASTRUCTURE LP | $8.9M | 1.11% | 880,000 | Common | SOLE |
| 767292105 | RIOT | RIOT PLATFORMS INC | $8.6M | 1.06% | 450,000 | Common | SOLE |
| 46428Q109 | SLV | ISHARES SILVER TR | $8.5M | 1.05% | 200,000 | Common | SOLE |
| 518415104 | LSCC | LATTICE SEMICONDUCTOR CORP | $8.4M | 1.04% | 114,500 | Common | SOLE |
| 74624M102 | P | PURE STORAGE INC | $8.4M | 1.04% | 100,000 | Common | SOLE |
| 60471A101 | MIR | MIRION TECHNOLOGIES INC | $7.6M | 0.94% | 328,220 | Common | SOLE |
| 007973100 | AEIS | ADVANCED ENERGY INDS | $7.6M | 0.94% | 44,500 | Common | SOLE |
| 126650100 | CVS | CVS HEALTH CORP | $7.5M | 0.93% | 100,000 | Common | SOLE |
| 05605H100 | BWXT | BWX TECHNOLOGIES INC | $7.4M | 0.91% | 40,000 | Common | SOLE |
| 88033G407 | THC | TENET HEALTHCARE CORP | $7.1M | 0.88% | 35,000 | Common | SOLE |
| 687793109 | OSCR | OSCAR HEALTH INC | $7.1M | 0.88% | 375,000 | Common | SOLE |
| 81663L200 | WGS | GENEDX HOLDINGS CORP | $6.5M | 0.80% | 60,000 | Common | SOLE |
| 79466L302 | CRM | SALESFORCE INC | $6.4M | 0.79% | 27,000 | CALL | SOLE |
| 697435105 | PANW | PALO ALTO NETWORKS INC | $6.4M | 0.79% | 31,300 | Common | SOLE |
| 000899104 | ADMA | ADMA BIOLOGICS INC | $6.2M | 0.77% | 425,000 | Common | SOLE |
| 8676EP108 | STKL | SUNOPTA INC | $6.0M | 0.74% | 1,020,000 | Common | SOLE |
| 03831W108 | APP | APPLOVIN CORP | $5.7M | 0.71% | 8,000 | Common | SOLE |
| 816850101 | SMTC | SEMTECH CORP | $5.7M | 0.71% | 80,000 | Common | SOLE |
| 343412102 | FLR | FLUOR CORP NEW | $5.7M | 0.70% | 135,000 | Common | SOLE |
| 23703Q203 | DQ | DAQO NEW ENERGY CORP | $5.6M | 0.70% | 200,000 | CALL | SOLE |
| 032095101 | APH | AMPHENOL CORP NEW | $5.6M | 0.69% | 45,000 | PUT | SOLE |
| 248356107 | DNN | DENISON MINES CORP | $5.5M | 0.68% | 2,000,000 | Common | SOLE |
| 26142V105 | DKNG | DRAFTKINGS INC NEW | $5.4M | 0.67% | 145,000 | Common | SOLE |
| 278642103 | EBAY | EBAY INC. | $5.4M | 0.66% | 59,000 | Common | SOLE |
| 683344105 | ONTO | ONTO INNOVATION INC | $5.2M | 0.65% | 40,500 | Common | SOLE |
| 459200101 | IBM | INTERNATIONAL BUSINESS MACHS | $5.1M | 0.63% | 18,000 | Common | SOLE |
| 040413205 | ANET | ARISTA NETWORKS INC | $5.0M | 0.61% | 34,000 | Common | SOLE |
| 969457100 | WMB | WILLIAMS COS INC | $4.8M | 0.59% | 75,000 | Common | SOLE |
| 70450Y103 | PYPL | PAYPAL HLDGS INC | $4.4M | 0.55% | 66,000 | Common | SOLE |
| 46138G706 | TAN | INVESCO EXCH TRADED FD TR II | $4.4M | 0.54% | 100,000 | CALL | SOLE |
| 03823U102 | AAOI | APPLIED OPTOELECTRONICS INC | $4.3M | 0.53% | 165,000 | CALL | SOLE |
| 576323109 | MTZ | MASTEC INC | $4.3M | 0.53% | 20,000 | Common | SOLE |
| 55955D100 | MGNI | MAGNITE INC | $4.2M | 0.53% | 195,000 | CALL | SOLE |
| 68389X105 | ORCL | ORACLE CORP | $4.2M | 0.52% | 15,000 | CALL | SOLE |
| 05722G100 | BKR | BAKER HUGHES COMPANY | $4.1M | 0.51% | 85,000 | Common | SOLE |
| 34354P105 | FLS | FLOWSERVE CORP | $4.0M | 0.49% | 75,000 | Common | SOLE |
| 874039100 | TSM | TAIWAN SEMICONDUCTOR MFG LTD | $3.9M | 0.48% | 14,000 | Common | SOLE |
| 69553P100 | PD | PAGERDUTY INC | $3.8M | 0.46% | 227,000 | Common | SOLE |
| 458140100 | INTC | INTEL CORP | $3.7M | 0.46% | 110,500 | Common | SOLE |
| 032654105 | ADI | ANALOG DEVICES INC | $3.7M | 0.46% | 15,000 | PUT | SOLE |
| 19247G107 | COHR | COHERENT CORP | $3.7M | 0.45% | 34,000 | PUT | SOLE |
| 19247G107 | COHR | COHERENT CORP | $3.6M | 0.45% | 33,500 | Common | SOLE |
| 958102105 | WDC | WESTERN DIGITAL CORP | $3.6M | 0.45% | 30,000 | Common | SOLE |
| 18539C204 | CWEN | CLEARWAY ENERGY INC | $3.5M | 0.44% | 125,000 | Common | SOLE |
| 722304102 | PDD | PDD HOLDINGS INC | $3.3M | 0.41% | 25,000 | CALL | SOLE |
| 20717M103 | 8QR | CONFLUENT INC | $3.2M | 0.39% | 160,000 | CALL | SOLE |
| 68628V308 | ORN | ORION GROUP HLDGS INC | $3.1M | 0.39% | 375,000 | Common | SOLE |
| 000360206 | AAON | AAON INC | $3.0M | 0.37% | 32,200 | Common | SOLE |
| 816850101 | SMTC | SEMTECH CORP | $2.9M | 0.35% | 40,000 | CALL | SOLE |
| 042068205 | ARM | ARM HOLDINGS PLC | $2.8M | 0.35% | 20,000 | CALL | SOLE |
| 23703Q203 | DQ | DAQO NEW ENERGY CORP | $2.8M | 0.35% | 100,000 | Common | SOLE |
| 69553P100 | PD | PAGERDUTY INC | $2.8M | 0.35% | 170,000 | CALL | SOLE |
| 04626A103 | ALAB | ASTERA LABS INC | $2.7M | 0.34% | 14,000 | PUT | SOLE |
| 20717M103 | 8QR | CONFLUENT INC | $2.7M | 0.33% | 135,000 | Common | SOLE |
| 29786A106 | ETSY | ETSY INC | $2.5M | 0.31% | 38,000 | Common | SOLE |
| 456788108 | INFY | INFOSYS LTD | $2.3M | 0.28% | 140,000 | PUT | SOLE |
| 65340P106 | NXE | NEXGEN ENERGY LTD | $2.2M | 0.28% | 250,000 | Common | SOLE |
| 86771W105 | RUN | SUNRUN INC | $2.2M | 0.27% | 125,000 | CALL | SOLE |
| 896945201 | TRIP | TRIPADVISOR INC | $2.1M | 0.26% | 130,000 | CALL | SOLE |
| 67079K100 | SMR | NUSCALE PWR CORP | $1.8M | 0.22% | 50,000 | PUT | SOLE |
| 41068X100 | HASI | HA SUSTAINABLE INFRA CAP INC | $1.7M | 0.21% | 55,000 | Common | SOLE |
| 02361E108 | AMRC | AMERESCO INC | $1.7M | 0.21% | 50,000 | Common | SOLE |
| 74624M102 | P | PURE STORAGE INC | $1.7M | 0.21% | 20,000 | CALL | SOLE |
| 00130H105 | AES | AES CORP | $1.6M | 0.20% | 125,000 | Common | SOLE |
| 74319B502 | PROF | PROFOUND MED CORP | $1.6M | 0.20% | 330,000 | Common | SOLE |
| 654902204 | NOK | NOKIA CORP | $1.6M | 0.20% | 334,906 | Common | SOLE |
| 89346D107 | TAC | TRANSALTA CORP | $1.6M | 0.19% | 115,000 | Common | SOLE |
| 00827B106 | AFRM | AFFIRM HLDGS INC | $1.5M | 0.18% | 20,000 | Common | SOLE |
| G25457105 | CRDO | CREDO TECHNOLOGY GROUP HOLDI | $1.5M | 0.18% | 10,000 | PUT | SOLE |
| 79466L302 | CRM | SALESFORCE INC | $1.4M | 0.18% | 6,000 | Common | SOLE |
| 75134P600 | METC | RAMACO RES INC | $1.3M | 0.16% | 40,000 | Common | SOLE |
| 55955D100 | MGNI | MAGNITE INC | $1.3M | 0.16% | 60,000 | Common | SOLE |
| 184499101 | CLNE | CLEAN ENERGY FUELS CORP | $1.3M | 0.16% | 500,000 | CALL | SOLE |
| 88162F105 | TTI | TETRA TECHNOLOGIES INC DEL | $1.0M | 0.12% | 175,000 | Common | SOLE |
| 256163106 | DOCU | DOCUSIGN INC | $937,170 | 0.12% | 13,000 | Common | SOLE |
| 73931J109 | AIOT | POWERFLEET INC | $917,000 | 0.11% | 175,000 | Common | SOLE |
| 70614W100 | PTON | PELOTON INTERACTIVE INC | $900,000 | 0.11% | 100,000 | CALL | SOLE |
| 13321L108 | CCJ | CAMECO CORP | $838,600 | 0.10% | 10,000 | Common | SOLE |
| 77543R102 | ROKU | ROKU INC | $801,040 | 0.10% | 8,000 | Common | SOLE |
| 29271Q103 | ESOA | ENERGY SVCS ACQUISITION CORP | $776,250 | 0.10% | 75,000 | Common | SOLE |
| 30049H102 | EVLV | EVOLV TECHNOLOGIES HLDNGS IN | $755,000 | 0.09% | 100,000 | Common | SOLE |
| 654106103 | NKE | NIKE INC | $697,300 | 0.09% | 10,000 | CALL | SOLE |
| 98956A105 | ZETA | ZETA GLOBAL HOLDINGS CORP | $695,450 | 0.09% | 35,000 | PUT | SOLE |
| 00510N102 | TIC | TIC SOLUTIONS INC | $665,500 | 0.08% | 50,000 | Common | SOLE |
| G83752108 | SVIIF | SPRING VALLEY ACQUISTN CORP | $625,500 | 0.08% | 50,000 | Common | SOLE |
| 093712107 | BE | BLOOM ENERGY CORP | $422,850 | 0.05% | 5,000 | Common | SOLE |
| 20460L104 | SPWR | SUNPOWER INC | $369,600 | 0.05% | 210,000 | Common | SOLE |
| 645827205 | IDR | IDAHO STRATEGIC RESOURCES | $337,900 | 0.04% | 10,000 | Common | SOLE |
| 64107A105 | NPWR | NET POWER INC | $324,529 | 0.04% | 107,817 | Common | SOLE |
| 52476L109 | LGN | LEGENCE CORP | $308,100 | 0.04% | 10,000 | Common | SOLE |
| 29280W109 | NRGV | ENERGY VAULT HOLDINGS INC | $297,000 | 0.04% | 100,000 | Common | SOLE |
| 896945201 | TRIP | TRIPADVISOR INC | $292,680 | 0.04% | 18,000 | Common | SOLE |
| 682189105 | ON | ON SEMICONDUCTOR CORP | $246,550 | 0.03% | 5,000 | PUT | SOLE |
| 654106103 | NKE | NIKE INC | $209,400 | 0.03% | 3,000 | Common | SOLE |
| 70614W100 | PTON | PELOTON INTERACTIVE INC | $180,000 | 0.02% | 20,000 | Common | SOLE |
| 82489W107 | SHLS | SHOALS TECHNOLOGIES GROUP IN | $148,200 | 0.02% | 20,000 | Common | SOLE |
| 184499101 | CLNE | CLEAN ENERGY FUELS CORP | $129,000 | 0.02% | 50,000 | Common | SOLE |
| 124155102 | BFLY | BUTTERFLY NETWORK INC | $96,500 | 0.01% | 50,000 | Common | SOLE |
| G1117K114 | BIOX | BIOCERES CROP SOLUTIONS CORP | $84,600 | 0.01% | 60,000 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.