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ARDSLEY ADVISORY PARTNERS LP
Period ended Jun 30, 2026 · Latest filing Jul 13, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Jun 30, 2026: $960,211,633
More quarters will appear as history becomes available.
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- SANDISK CORP · COM · 80004C200 · shares: $56,690,500
- ADVANCED MICRO DEVICES INC · COM · 007903107 · shares: $54,024,630
- SEZZLE INC · COM · 78435P105 · shares: $36,900,450
- TERAWULF INC · COM · 88080T104 · shares: $23,686,320
- BRIGHTSPRING HEALTH SVCS INC · COM · 10950A106 · shares: $22,665,500
- EBAY INC. · COM · 278642103 · shares: $22,261,554
- SUNRUN INC · COM · 86771W105 · shares: $21,408,000
- VIAVI SOLUTIONS INC · COM · 925550105 · shares: $18,622,500
- EVERPURE INC · CL A · 74624M102 · shares: $18,302,150
- ARM HOLDINGS PLC · SPONSORED ADS · 042068205 · shares: $16,623,900
Reported holdings
145 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| SANDISK CORP | COM | 80004C200 | — | 25,000 shares | $56,690,500 |
| ADVANCED MICRO DEVICES INC | COM | 007903107 | — | 93,000 shares | $54,024,630 |
| SEZZLE INC | COM | 78435P105 | — | 215,000 shares | $36,900,450 |
| TERAWULF INC | COM | 88080T104 | — | 966,000 shares | $23,686,320 |
| BRIGHTSPRING HEALTH SVCS INC | COM | 10950A106 | — | 325,000 shares | $22,665,500 |
| EBAY INC. | COM | 278642103 | — | 201,000 shares | $22,261,554 |
| SUNRUN INC | COM | 86771W105 | — | 1,600,000 shares | $21,408,000 |
| VIAVI SOLUTIONS INC | COM | 925550105 | — | 390,000 shares | $18,622,500 |
| EVERPURE INC | CL A | 74624M102 | — | 233,000 shares | $18,302,150 |
| ARM HOLDINGS PLC | SPONSORED ADS | 042068205 | — | 47,000 shares | $16,623,900 |
| SHOALS TECHNOLOGIES GROUP IN | CL A | 82489W107 | — | 1,665,000 shares | $16,483,500 |
| AMAZON COM INC | COM | 023135106 | — | 69,000 shares | $16,445,460 |
| UNITED THERAPEUTICS CORP DEL | COM | 91307C102 | — | 30,000 shares | $16,254,900 |
| TEVA PHARMACEUTICAL INDS LTD | SPONSORED ADS | 881624209 | — | 465,000 shares | $15,754,200 |
| ALPHABET INC | CAP STK CL C | 02079K107 | — | 43,500 shares | $15,347,670 |
| PALO ALTO NETWORKS INC | COM | 697435105 | — | 43,000 shares | $14,638,060 |
| TWILIO INC | CL A | 90138F102 | — | 69,000 shares | $14,236,770 |
| PRIMORIS SVCS CORP | COM | 74164F103 | — | 135,000 shares | $13,383,900 |
| APPLE INC | COM | 037833100 | — | 45,000 shares | $13,005,000 |
| ZOOM COMMUNICATIONS INC | CL A | 98980L101 | — | 145,000 shares | $12,514,950 |
| MODINE MFG CO | COM | 607828100 | — | 45,000 shares | $12,015,900 |
| ONTO INNOVATION INC | COM | 683344105 | — | 31,500 shares | $11,921,175 |
| TD SYNNEX CORPORATION | COM | 87162W100 | — | 43,500 shares | $11,629,290 |
| BROOKDALE SR LIVING INC | COM | 112463104 | CALL | 690,000 shares | $11,102,100 |
| ENPHASE ENERGY INC | COM | 29355A107 | — | 220,000 shares | $10,782,200 |
| ALLEGIANT TRAVEL CO | COM | 01748X102 | — | 90,000 shares | $10,584,000 |
| OKTA INC | CL A | 679295105 | — | 76,500 shares | $10,438,425 |
| EQUINIX INC | COM | 29444U700 | — | 10,000 shares | $10,423,900 |
| HUT 8 CORP | COM | 44812J104 | — | 90,000 shares | $10,390,050 |
| ALPS ETF TR | ALERIAN MLP | 00162Q452 | — | 200,000 shares | $10,370,000 |
| OSCAR HEALTH INC | CL A | 687793109 | — | 350,000 shares | $9,982,000 |
| BLOOM ENERGY CORP | COM CL A | 093712107 | — | 31,000 shares | $9,399,200 |
| CIPHER DIGITAL INC | COM | 17253J106 | — | 375,000 shares | $9,179,963 |
| NU HLDGS LTD | ORD SHS CL A | G6683N103 | — | 675,000 shares | $9,004,500 |
| CEREBRAS SYSTEMS INC | COM CL A | 15675D103 | — | 39,000 shares | $8,658,000 |
| LUMENTUM HLDGS INC | COM | 55024U109 | — | 10,000 shares | $8,525,100 |
| REMITLY GLOBAL INC | COM | 75960P104 | — | 375,000 shares | $8,403,750 |
| DEVON ENERGY CORP NEW | COM | 25179M103 | — | 200,000 shares | $8,260,000 |
| BROADCOM INC | COM | 11135F101 | — | 21,000 shares | $7,927,290 |
| ALASKA AIR GROUP INC | COM | 011659109 | — | 150,000 shares | $7,830,000 |
| CORNING INC | COM | 219350105 | — | 30,000 shares | $7,662,300 |
| FLUOR CORP | COM | 343412102 | — | 142,500 shares | $7,465,575 |
| VERTEX PHARMACEUTICALS INC | COM | 92532F100 | — | 15,000 shares | $7,450,950 |
| VERACYTE INC | COM | 92337F107 | — | 125,000 shares | $7,341,250 |
| SEMTECH CORP | COM | 816850101 | — | 45,000 shares | $7,283,250 |
| JAZZ PHARMACEUTICALS PLC | SHS USD | G50871105 | — | 30,000 shares | $7,229,100 |
| FERROGLOBE PLC | SHS | G33856108 | — | 2,185,000 shares | $6,948,300 |
| AKAMAI TECHNOLOGIES INC | COM | 00971T101 | — | 56,000 shares | $6,619,760 |
| ORACLE CORP | COM | 68389X105 | CALL | 45,000 shares | $6,594,750 |
| VERIZON COMMUNICATIONS INC | COM | 92343V104 | — | 155,000 shares | $6,568,900 |
| BOX INC | CL A | 10316T104 | — | 240,000 shares | $6,369,600 |
| MICROCHIP TECHNOLOGY INC. | COM | 595017104 | — | 70,000 shares | $6,335,000 |
| SLB LIMITED | COM STK | 806857108 | — | 135,000 shares | $6,276,150 |
| XPLR INFRASTRUCTURE LP | COM UNIT PART IN | 65341B106 | — | 525,000 shares | $6,200,250 |
| CAMTEK LTD | ORD | M20791105 | — | 37,000 shares | $6,035,440 |
| MIRION TECHNOLOGIES INC | COM CL A | 60471A101 | — | 325,000 shares | $5,827,250 |
| SALESFORCE INC | COM | 79466L302 | — | 36,000 shares | $5,639,760 |
| GUARDIAN METAL RES PLC | SPONSORED ADS | 401382106 | — | 400,000 shares | $5,604,000 |
| GENEDX HOLDINGS CORP | COM CL A | 81663L200 | — | 75,000 shares | $5,148,750 |
| APPLIED OPTOELECTRONICS INC | COM | 03823U102 | — | 35,000 shares | $5,133,800 |
| ADMA BIOLOGICS INC | COM | 000899104 | — | 600,000 shares | $5,022,000 |
| CLEARWAY ENERGY INC | CL C | 18539C204 | — | 140,000 shares | $4,785,200 |
| TRANSALTA CORP | COM | 89346D107 | — | 345,000 shares | $4,772,881 |
| IMPINJ INC | COM | 453204109 | — | 33,000 shares | $4,726,590 |
| BORGWARNER INC | COM | 099724106 | — | 70,000 shares | $4,648,000 |
| NAVAN INC | CL A | 639193101 | — | 200,000 shares | $4,574,000 |
| FUELCELL ENERGY INC | COM NEW | 35952H700 | CALL | 125,000 shares | $4,501,250 |
| GLOBALFOUNDRIES INC | ORDINARY SHARES | G39387108 | — | 54,500 shares | $4,491,345 |
| FLOWSERVE CORP | COM | 34354P105 | — | 60,000 shares | $4,449,600 |
| FUELCELL ENERGY INC | COM NEW | 35952H700 | — | 120,000 shares | $4,354,800 |
| LAM RESEARCH CORP | COM NEW | 512807306 | — | 10,000 shares | $4,333,300 |
| CVS HEALTH CORP | COM | 126650100 | — | 40,000 shares | $4,138,000 |
| MANHATTAN ASSOCIATES INC | COM | 562750109 | — | 28,500 shares | $3,968,625 |
| GLOBAL E ONLINE LTD | SHS | M5216V106 | — | 113,000 shares | $3,924,490 |
| BWX TECHNOLOGIES INC | COM | 05605H100 | — | 20,000 shares | $3,893,000 |
| AMPHENOL CORP | CL A | 032095101 | — | 22,000 shares | $3,879,040 |
| TEXAS INSTRS INC | COM | 882508104 | — | 13,000 shares | $3,874,910 |
| SKEENA RES LTD NEW | COM | 83056P715 | — | 145,000 shares | $3,865,700 |
| PROFOUND MED CORP | COM NEW | 74319B502 | — | 575,000 shares | $3,823,750 |
| WILLIAMS COS INC | COM | 969457100 | — | 50,000 shares | $3,717,000 |
| SHOPIFY INC | CL A SUB VTG SHS | 82509L107 | — | 32,500 shares | $3,708,900 |
| WESTERN DIGITAL CORP | COM | 958102105 | — | 5,500 shares | $3,513,054 |
| AEVA TECHNOLOGIES INC | COM NEW | 00835Q202 | — | 121,500 shares | $3,489,480 |
| ORION GROUP HLDGS INC | COM | 68628V308 | — | 200,000 shares | $3,364,000 |
| TIC SOLUTIONS INC | COM | 00510N102 | — | 400,000 shares | $3,236,000 |
| EOS ENERGY ENTERPRISES INC | COM CL A | 29415C101 | — | 550,000 shares | $3,227,070 |
| ALAMOS GOLD INC | COM CL A | 011532108 | — | 105,000 shares | $3,185,700 |
| COHU INC | COM | 192576106 | — | 41,700 shares | $3,082,047 |
| FLEX LTD | ORD | Y2573F102 | — | 19,000 shares | $3,079,330 |
| FORTREA HLDGS INC | COMMON STOCK | 34965K107 | — | 175,000 shares | $3,045,000 |
| STMICROELECTRONICS N V | NY REGISTRY | 861012102 | — | 41,000 shares | $3,021,402 |
| SERVICENOW INC | COM | 81762P102 | CALL | 30,000 shares | $2,978,400 |
| WOLFSPEED INC | COMMON STOCK | 97785W106 | — | 60,000 shares | $2,895,000 |
| VEECO INSTRS INC DEL | COM | 922417100 | — | 37,000 shares | $2,804,600 |
| ATLASSIAN CORPORATION | CL A | 049468101 | CALL | 35,000 shares | $2,722,650 |
| KBR INC | COM | 48242W106 | — | 75,000 shares | $2,589,750 |
| ENERGY TRANSFER L P | COM UT LTD PTN | 29273V100 | — | 125,000 shares | $2,393,750 |
| EVERPURE INC | CL A | 74624M102 | CALL | 30,000 shares | $2,363,700 |
| PAGAYA TECHNOLOGIES LTD | CL A NEW | M7S64L123 | — | 125,000 shares | $2,286,250 |
| TRIPADVISOR INC | COM | 896945201 | — | 166,000 shares | $2,275,860 |