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ARDSLEY ADVISORY PARTNERS LP

CIK 0000900529

Annualised vol
13.865841%
Beta
0.529663
HHI
175.011977
Top-10 weight
30.325138%
VaR 95%
1.302772%
VaR 99%
2.416847%
Max drawdown
22.705238%
Matched value
76.051904%

Returns of reported holdings

Loading returns…

Position changes vs prior quarter

What the latest 13F shows bought and sold against the quarter before, by share count.

TickerChangeShares nowShares beforeShare change %Value now ($)
SNDK REDUCED 25,000 55,000 -54.55% 56,690,500
AMD ADDED 93,000 8,000 1062.5% 54,024,630
SEZL REDUCED 215,000 300,000 -28.33% 36,900,450
WULF REDUCED 966,000 1,050,000 -8.0% 23,686,320
EBAY ADDED 201,000 140,500 43.06% 22,261,554
RUN ADDED 1,600,000 1,135,000 40.97% 21,408,000
P NEW 263,000 - - 20,665,850
VIAV REDUCED 390,000 400,000 -2.5% 18,622,500
AMZN REDUCED 69,000 154,000 -55.19% 16,445,460
GOOGL ADDED 43,500 30,000 45.0% 15,347,670
PANW NEW 43,000 - - 14,638,060
TWLO ADDED 69,000 52,200 32.18% 14,236,770
ZM ADDED 158,000 106,000 49.06% 13,636,980
AAPL ADDED 45,000 30,000 50.0% 13,005,000
ONTO NEW 31,500 - - 11,921,175
SNX NEW 43,500 - - 11,629,290
ENPH ADDED 220,000 85,000 158.82% 10,782,200
ALGT NEW 90,000 - - 10,584,000
OKTA ADDED 76,500 72,600 5.37% 10,438,425
EQIX REDUCED 10,000 11,950 -16.32% 10,423,900
HUT REDUCED 90,000 150,000 -40.0% 10,390,050
OSCR NEW 350,000 - - 9,982,000
BE ADDED 31,000 13,000 138.46% 9,399,200
CIFR REDUCED 375,000 450,000 -16.67% 9,179,963
FCEL ADDED 245,000 45,000 444.44% 8,856,050
CBRS NEW 39,000 - - 8,658,000
RELY NEW 375,000 - - 8,403,750
AVGO REDUCED 21,000 139,500 -84.95% 7,927,290
ALK REDUCED 150,000 165,000 -9.09% 7,830,000
FLR ADDED 142,500 82,500 72.73% 7,465,575
VCYT UNCHANGED 125,000 125,000 0.0% 7,341,250
SMTC REDUCED 45,000 288,750 -84.42% 7,283,250
JAZZ NEW 30,000 - - 7,229,100
GSM NEW 2,185,000 - - 6,948,300
AKAM NEW 56,000 - - 6,619,760
ORCL NEW 45,000 - - 6,594,750
VZ ADDED 155,000 130,000 19.23% 6,568,900
BOX REDUCED 240,000 336,000 -28.57% 6,369,600
MCHP NEW 70,000 - - 6,335,000
SLB NEW 135,000 - - 6,276,150
XIFR ADDED 525,000 475,000 10.53% 6,200,250
CAMT NEW 37,000 - - 6,035,440
MIR UNCHANGED 325,000 325,000 0.0% 5,827,250
CRM NEW 36,000 - - 5,639,760
WGS REDUCED 75,000 100,000 -25.0% 5,148,750
AAOI NEW 35,000 - - 5,133,800
NOW REDUCED 51,500 84,500 -39.05% 5,112,920
ADMA ADDED 600,000 425,000 41.18% 5,022,000
CWEN UNCHANGED 140,000 140,000 0.0% 4,785,200
AEVA NEW 166,500 - - 4,781,880
TAC ADDED 345,000 275,000 25.45% 4,772,881
PI ADDED 33,000 11,500 186.96% 4,726,590
BWA NEW 70,000 - - 4,648,000
NAVN NEW 200,000 - - 4,574,000
GFS NEW 54,500 - - 4,491,345
FLS NEW 60,000 - - 4,449,600
LRCX NEW 10,000 - - 4,333,300
CVS REDUCED 40,000 85,000 -52.94% 4,138,000
MANH NEW 28,500 - - 3,968,625
GLBE NEW 113,000 - - 3,924,490
BWXT REDUCED 20,000 25,000 -20.0% 3,893,000
SHOP NEW 32,500 - - 3,708,900
WDC NEW 5,500 - - 3,513,054
TEAM NEW 42,000 - - 3,267,180
TIC ADDED 400,000 375,000 6.67% 3,236,000
EOSE ADDED 550,000 300,000 83.33% 3,227,070
AGI REDUCED 105,000 175,000 -40.0% 3,185,700
COHU NEW 41,700 - - 3,082,047
FLEX NEW 19,000 - - 3,079,330
STM NEW 41,000 - - 3,021,402
WOLF REDUCED 60,000 140,000 -57.14% 2,895,000
ALDX ADDED 1,275,000 1,250,000 2.0% 2,715,750
KBR NEW 75,000 - - 2,589,750
PGY NEW 125,000 - - 2,286,250
TRIP NEW 166,000 - - 2,275,860
S ADDED 118,000 46,000 156.52% 2,002,460
AVY REDUCED 12,000 40,000 -70.0% 1,948,200
BKR NEW 35,000 - - 1,942,500
NBIS NEW 7,000 - - 1,918,910
AXTI NEW 25,000 - - 1,789,760
CCJ REDUCED 17,500 22,500 -22.22% 1,782,550
SNAP ADDED 350,000 50,000 600.0% 1,554,000
LODE UNCHANGED 350,000 350,000 0.0% 1,456,000
CSGP NEW 50,000 - - 1,416,000
DSP NEW 107,500 - - 1,360,950
TRP NEW 20,000 - - 1,325,800
DNN REDUCED 400,000 1,400,000 -71.43% 1,224,000
NTSK NEW 109,500 - - 1,197,930
OPRA NEW 60,000 - - 1,189,800
EFX NEW 7,000 - - 1,111,040
MGNI REDUCED 57,500 143,000 -59.79% 1,091,350
HIMX REDUCED 70,000 159,000 -55.97% 1,073,800
SPWR ADDED 1,416,065 960,000 47.51% 973,261
KFY NEW 10,000 - - 665,800
ITRI REDUCED 7,500 15,000 -50.0% 648,975
FIP NEW 100,000 - - 464,000
FLNC REDUCED 20,000 185,000 -89.19% 395,400
TROX NEW 50,000 - - 315,000
SEDG NEW 5,000 - - 292,200
IE UNCHANGED 25,000 25,000 0.0% 240,250
USAR NEW 10,000 - - 216,200
BIOX UNCHANGED 475,000 475,000 0.0% 166,298
NXE CLOSED OUT 0 300,000 -100.0% 0
TASK CLOSED OUT 0 235,000 -100.0% 0
ANET CLOSED OUT 0 198,700 -100.0% 0
UPWK CLOSED OUT 0 190,000 -100.0% 0
BRBR CLOSED OUT 0 175,000 -100.0% 0
HPE CLOSED OUT 0 155,000 -100.0% 0
BSX CLOSED OUT 0 150,000 -100.0% 0
AMPX CLOSED OUT 0 125,000 -100.0% 0
ATEX CLOSED OUT 0 110,000 -100.0% 0
ARRY CLOSED OUT 0 100,000 -100.0% 0
NVDA CLOSED OUT 0 97,500 -100.0% 0
LSCC CLOSED OUT 0 88,500 -100.0% 0
INTC CLOSED OUT 0 71,000 -100.0% 0
FTNT CLOSED OUT 0 50,600 -100.0% 0
CRTO CLOSED OUT 0 50,500 -100.0% 0
DQ CLOSED OUT 0 50,000 -100.0% 0
MOS CLOSED OUT 0 50,000 -100.0% 0
ROKU CLOSED OUT 0 41,500 -100.0% 0
CNXC CLOSED OUT 0 40,000 -100.0% 0
DT CLOSED OUT 0 40,000 -100.0% 0
NFLX CLOSED OUT 0 40,000 -100.0% 0
MU CLOSED OUT 0 31,000 -100.0% 0
ORA CLOSED OUT 0 30,000 -100.0% 0
META CLOSED OUT 0 28,000 -100.0% 0
EQT CLOSED OUT 0 25,000 -100.0% 0
UBER CLOSED OUT 0 24,500 -100.0% 0
HON CLOSED OUT 0 16,500 -100.0% 0
ADI CLOSED OUT 0 16,000 -100.0% 0
NET CLOSED OUT 0 10,800 -100.0% 0
COHR CLOSED OUT 0 10,000 -100.0% 0
MSFT CLOSED OUT 0 8,000 -100.0% 0
TER CLOSED OUT 0 7,500 -100.0% 0
FFIV CLOSED OUT 0 7,100 -100.0% 0
CEG CLOSED OUT 0 5,000 -100.0% 0
LLY CLOSED OUT 0 5,000 -100.0% 0
MTZ CLOSED OUT 0 5,000 -100.0% 0
PLXS CLOSED OUT 0 4,500 -100.0% 0
ALB CLOSED OUT 0 1,500 -100.0% 0

Holdings (latest quarter)

TickerChangeIssuerClassCUSIPValue ($)Weight %Shares
SNDK REDUCED SANDISK CORP COM 80004C200 56,690,500 5.9 25000.0
AMD ADDED ADVANCED MICRO DEVICES INC COM 007903107 54,024,630 5.63 93000.0
SEZL REDUCED SEZZLE INC COM 78435P105 36,900,450 3.84 215000.0
WULF REDUCED TERAWULF INC COM 88080T104 23,686,320 2.47 966000.0
- BRIGHTSPRING HEALTH SVCS INC COM 10950A106 22,665,500 2.36 325000.0
EBAY ADDED EBAY INC. COM 278642103 22,261,554 2.32 201000.0
RUN ADDED SUNRUN INC COM 86771W105 21,408,000 2.23 1600000.0
VIAV REDUCED VIAVI SOLUTIONS INC COM 925550105 18,622,500 1.94 390000.0
P NEW EVERPURE INC CL A 74624M102 18,302,150 1.91 233000.0
- ARM HOLDINGS PLC SPONSORED ADS 042068205 16,623,900 1.73 47000.0
- SHOALS TECHNOLOGIES GROUP IN CL A 82489W107 16,483,500 1.72 1665000.0
AMZN REDUCED AMAZON COM INC COM 023135106 16,445,460 1.71 69000.0
- UNITED THERAPEUTICS CORP DEL COM 91307C102 16,254,900 1.69 30000.0
- TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS 881624209 15,754,200 1.64 465000.0
GOOGL ADDED ALPHABET INC CAP STK CL C 02079K107 15,347,670 1.6 43500.0
PANW NEW PALO ALTO NETWORKS INC COM 697435105 14,638,060 1.52 43000.0
TWLO ADDED TWILIO INC CL A 90138F102 14,236,770 1.48 69000.0
- PRIMORIS SVCS CORP COM 74164F103 13,383,900 1.39 135000.0
AAPL ADDED APPLE INC COM 037833100 13,005,000 1.35 45000.0
ZM ADDED ZOOM COMMUNICATIONS INC CL A 98980L101 12,514,950 1.3 145000.0
- MODINE MFG CO COM 607828100 12,015,900 1.25 45000.0
ONTO NEW ONTO INNOVATION INC COM 683344105 11,921,175 1.24 31500.0
SNX NEW TD SYNNEX CORPORATION COM 87162W100 11,629,290 1.21 43500.0
- BROOKDALE SR LIVING INC COM 112463104 11,102,100 1.16 690000.0
ENPH ADDED ENPHASE ENERGY INC COM 29355A107 10,782,200 1.12 220000.0
ALGT NEW ALLEGIANT TRAVEL CO COM 01748X102 10,584,000 1.1 90000.0
OKTA ADDED OKTA INC CL A 679295105 10,438,425 1.09 76500.0
EQIX REDUCED EQUINIX INC COM 29444U700 10,423,900 1.09 10000.0
HUT REDUCED HUT 8 CORP COM 44812J104 10,390,050 1.08 90000.0
- ALPS ETF TR ALERIAN MLP 00162Q452 10,370,000 1.08 200000.0
OSCR NEW OSCAR HEALTH INC CL A 687793109 9,982,000 1.04 350000.0
BE ADDED BLOOM ENERGY CORP COM CL A 093712107 9,399,200 0.98 31000.0
CIFR REDUCED CIPHER DIGITAL INC COM 17253J106 9,179,963 0.96 375000.0
- NU HLDGS LTD ORD SHS CL A G6683N103 9,004,500 0.94 675000.0
CBRS NEW CEREBRAS SYSTEMS INC COM CL A 15675D103 8,658,000 0.9 39000.0
- LUMENTUM HLDGS INC COM 55024U109 8,525,100 0.89 10000.0
RELY NEW REMITLY GLOBAL INC COM 75960P104 8,403,750 0.88 375000.0
- DEVON ENERGY CORP NEW COM 25179M103 8,260,000 0.86 200000.0
AVGO REDUCED BROADCOM INC COM 11135F101 7,927,290 0.83 21000.0
ALK REDUCED ALASKA AIR GROUP INC COM 011659109 7,830,000 0.82 150000.0
- CORNING INC COM 219350105 7,662,300 0.8 30000.0
FLR ADDED FLUOR CORP COM 343412102 7,465,575 0.78 142500.0
- VERTEX PHARMACEUTICALS INC COM 92532F100 7,450,950 0.78 15000.0
VCYT UNCHANGED VERACYTE INC COM 92337F107 7,341,250 0.76 125000.0
SMTC REDUCED SEMTECH CORP COM 816850101 7,283,250 0.76 45000.0
JAZZ NEW JAZZ PHARMACEUTICALS PLC SHS USD G50871105 7,229,100 0.75 30000.0
GSM NEW FERROGLOBE PLC SHS G33856108 6,948,300 0.72 2185000.0
AKAM NEW AKAMAI TECHNOLOGIES INC COM 00971T101 6,619,760 0.69 56000.0
ORCL NEW ORACLE CORP COM 68389X105 6,594,750 0.69 45000.0
VZ ADDED VERIZON COMMUNICATIONS INC COM 92343V104 6,568,900 0.68 155000.0
BOX REDUCED BOX INC CL A 10316T104 6,369,600 0.66 240000.0
MCHP NEW MICROCHIP TECHNOLOGY INC. COM 595017104 6,335,000 0.66 70000.0
SLB NEW SLB LIMITED COM STK 806857108 6,276,150 0.65 135000.0
XIFR ADDED XPLR INFRASTRUCTURE LP COM UNIT PART IN 65341B106 6,200,250 0.65 525000.0
CAMT NEW CAMTEK LTD ORD M20791105 6,035,440 0.63 37000.0
MIR UNCHANGED MIRION TECHNOLOGIES INC COM CL A 60471A101 5,827,250 0.61 325000.0
CRM NEW SALESFORCE INC COM 79466L302 5,639,760 0.59 36000.0
- GUARDIAN METAL RES PLC SPONSORED ADS 401382106 5,604,000 0.58 400000.0
WGS REDUCED GENEDX HOLDINGS CORP COM CL A 81663L200 5,148,750 0.54 75000.0
AAOI NEW APPLIED OPTOELECTRONICS INC COM 03823U102 5,133,800 0.53 35000.0
ADMA ADDED ADMA BIOLOGICS INC COM 000899104 5,022,000 0.52 600000.0
CWEN UNCHANGED CLEARWAY ENERGY INC CL C 18539C204 4,785,200 0.5 140000.0
TAC ADDED TRANSALTA CORP COM 89346D107 4,772,881 0.5 345000.0
PI ADDED IMPINJ INC COM 453204109 4,726,590 0.49 33000.0
BWA NEW BORGWARNER INC COM 099724106 4,648,000 0.48 70000.0
NAVN NEW NAVAN INC CL A 639193101 4,574,000 0.48 200000.0
FCEL ADDED FUELCELL ENERGY INC COM NEW 35952H700 4,501,250 0.47 125000.0
GFS NEW GLOBALFOUNDRIES INC ORDINARY SHARES G39387108 4,491,345 0.47 54500.0
FLS NEW FLOWSERVE CORP COM 34354P105 4,449,600 0.46 60000.0
FCEL ADDED FUELCELL ENERGY INC COM NEW 35952H700 4,354,800 0.45 120000.0
LRCX NEW LAM RESEARCH CORP COM NEW 512807306 4,333,300 0.45 10000.0
CVS REDUCED CVS HEALTH CORP COM 126650100 4,138,000 0.43 40000.0
MANH NEW MANHATTAN ASSOCIATES INC COM 562750109 3,968,625 0.41 28500.0
GLBE NEW GLOBAL E ONLINE LTD SHS M5216V106 3,924,490 0.41 113000.0
BWXT REDUCED BWX TECHNOLOGIES INC COM 05605H100 3,893,000 0.41 20000.0
- AMPHENOL CORP CL A 032095101 3,879,040 0.4 22000.0
- TEXAS INSTRS INC COM 882508104 3,874,910 0.4 13000.0
- SKEENA RES LTD NEW COM 83056P715 3,865,700 0.4 145000.0
- PROFOUND MED CORP COM NEW 74319B502 3,823,750 0.4 575000.0
- WILLIAMS COS INC COM 969457100 3,717,000 0.39 50000.0
SHOP NEW SHOPIFY INC CL A SUB VTG SHS 82509L107 3,708,900 0.39 32500.0
WDC NEW WESTERN DIGITAL CORP COM 958102105 3,513,054 0.37 5500.0
AEVA NEW AEVA TECHNOLOGIES INC COM NEW 00835Q202 3,489,480 0.36 121500.0
- ORION GROUP HLDGS INC COM 68628V308 3,364,000 0.35 200000.0
TIC ADDED TIC SOLUTIONS INC COM 00510N102 3,236,000 0.34 400000.0
EOSE ADDED EOS ENERGY ENTERPRISES INC COM CL A 29415C101 3,227,070 0.34 550000.0
AGI REDUCED ALAMOS GOLD INC COM CL A 011532108 3,185,700 0.33 105000.0
COHU NEW COHU INC COM 192576106 3,082,047 0.32 41700.0
FLEX NEW FLEX LTD ORD Y2573F102 3,079,330 0.32 19000.0
- FORTREA HLDGS INC COMMON STOCK 34965K107 3,045,000 0.32 175000.0
STM NEW STMICROELECTRONICS N V NY REGISTRY 861012102 3,021,402 0.31 41000.0
NOW REDUCED SERVICENOW INC COM 81762P102 2,978,400 0.31 30000.0
WOLF REDUCED WOLFSPEED INC COMMON STOCK 97785W106 2,895,000 0.3 60000.0
- VEECO INSTRS INC DEL COM 922417100 2,804,600 0.29 37000.0
TEAM NEW ATLASSIAN CORPORATION CL A 049468101 2,722,650 0.28 35000.0
KBR NEW KBR INC COM 48242W106 2,589,750 0.27 75000.0
- ENERGY TRANSFER L P COM UT LTD PTN 29273V100 2,393,750 0.25 125000.0
P NEW EVERPURE INC CL A 74624M102 2,363,700 0.25 30000.0
PGY NEW PAGAYA TECHNOLOGIES LTD CL A NEW M7S64L123 2,286,250 0.24 125000.0
TRIP NEW TRIPADVISOR INC COM 896945201 2,275,860 0.24 166000.0
- HA SUSTAINABLE INFRA CAP INC COM 41068X100 2,147,750 0.22 55000.0
NOW REDUCED SERVICENOW INC COM 81762P102 2,134,520 0.22 21500.0
ALDX ADDED ALDEYRA THERAPEUTICS INC COM 01438T106 2,076,750 0.22 975000.0
S ADDED SENTINELONE INC CL A 81730H109 2,002,460 0.21 118000.0
AVY REDUCED AVERY DENNISON CORP COM 053611109 1,948,200 0.2 12000.0
BKR NEW BAKER HUGHES COMPANY CL A 05722G100 1,942,500 0.2 35000.0
- COGNIZANT TECHNOLOGY SOLUTIO CL A 192446102 1,936,500 0.2 50000.0
- ENERGY SERVICES OF AMER CORP COM 29271Q103 1,934,000 0.2 100000.0
NBIS NEW NEBIUS GROUP N.V. SHS CLASS A N97284108 1,918,910 0.2 7000.0
CCJ REDUCED CAMECO CORP COM 13321L108 1,782,550 0.19 17500.0
SNAP ADDED SNAP INC CL A 83304A106 1,554,000 0.16 350000.0
LODE UNCHANGED COMSTOCK INC COM SHS 205750409 1,456,000 0.15 350000.0
CSGP NEW COSTAR GROUP INC COM 22160N109 1,416,000 0.15 50000.0
TRP NEW TC ENERGY CORP COM 87807B107 1,325,800 0.14 20000.0
- RAMACO RES INC COM CL A 75134P600 1,323,000 0.14 100000.0
AEVA NEW AEVA TECHNOLOGIES INC COM NEW 00835Q202 1,292,400 0.13 45000.0
DNN REDUCED DENISON MINES CORP COM 248356107 1,224,000 0.13 400000.0
AXTI NEW AXT INC COM 00246W103 1,213,120 0.13 17000.0
DSP NEW VIANT TECHNOLOGY INC COM CL A 92557A101 1,202,700 0.13 95000.0
NTSK NEW NETSKOPE INC CL A 64119N608 1,197,930 0.12 109500.0
OPRA NEW OPERA LTD SPONSORED ADS 68373M107 1,189,800 0.12 60000.0
ZM ADDED ZOOM COMMUNICATIONS INC CL A 98980L101 1,122,030 0.12 13000.0
EFX NEW EQUIFAX INC COM 294429105 1,111,040 0.12 7000.0
- WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 1,094,000 0.11 25000.0
MGNI REDUCED MAGNITE INC COM 55955D100 1,091,350 0.11 57500.0
HIMX REDUCED HIMAX TECHNOLOGIES INC SPONSORED ADR 43289P106 1,073,800 0.11 70000.0
SPWR ADDED SUNPOWER INC COM 20460L104 973,261 0.1 1416065.0
- COMMVAULT SYS INC COM 204166102 864,553 0.09 6100.0
- AMERICAN SUPERCONDUCTOR CORP SHS NEW 030111207 830,200 0.09 20000.0
- LSB INDS INC COM 502160104 810,750 0.08 75000.0
KFY NEW KORN FERRY COM NEW 500643200 665,800 0.07 10000.0
ITRI REDUCED ITRON INC COM 465741106 648,975 0.07 7500.0
ALDX ADDED ALDEYRA THERAPEUTICS INC COM 01438T106 639,000 0.07 300000.0
- NIOCORP DEVS LTD COM NEW 654484609 602,500 0.06 125000.0
AXTI NEW AXT INC COM 00246W103 576,640 0.06 8000.0
TEAM NEW ATLASSIAN CORPORATION CL A 049468101 544,530 0.06 7000.0
FIP NEW FTAI INFRASTRUCTURE INC COMMON STOCK 35953C106 464,000 0.05 100000.0
FLNC REDUCED FLUENCE ENERGY INC COM CL A 34379V103 395,400 0.04 20000.0
TROX NEW TRONOX HOLDINGS PLC SHS G9087Q102 315,000 0.03 50000.0
SEDG NEW SOLAREDGE TECHNOLOGIES INC COM 83417M104 292,200 0.03 5000.0
- MP MATERIALS CORP COM CL A 553368101 280,400 0.03 5000.0
IE UNCHANGED IVANHOE ELECTRIC INC COM 46578C108 240,250 0.03 25000.0
USAR NEW USA RARE EARTH INC COM 91733P107 216,200 0.02 10000.0
BIOX UNCHANGED BIOCERES CROP SOLUTIONS CORP SHS G1117K114 166,298 0.02 475000.0
DSP NEW VIANT TECHNOLOGY INC COM CL A 92557A101 158,250 0.02 12500.0

Quarterly portfolios

PeriodFiledValue ($)PositionsVol %BetaMax DD %
2026-06-30 2026-07-13 960,211,633 145 13.865841 0.529663 22.705238
2026-03-31 2026-05-15 784,359,571 151 12.842159 0.538666 18.906923
2025-12-31 2026-02-17 911,130,100 142 13.286237 0.546982 20.893512
2025-09-30 2025-11-14 808,664,987 130 14.658497 0.58215 23.163583
2025-03-31 2025-05-15 522,424,113 139 12.822794 0.504771 18.794529
2024-12-31 2025-02-14 630,632,386 143 13.95242 0.584899 24.199515