account_balance
Investment manager · 13F filer · SEC CIK 900529
Ardsley Advisory Partners LP
Reported value$921Mas of Jun 30, 2026
Positions130 58 new, 45 sold out
Top 10 weight31.6%SNDK alone is 6%
FiledJul 1313 days after quarter end
Portfolio · as of Jun 30, 2026
Where the money is
New or addedTrimmedHeld
SNDKSandisk Corp
6.2%Trimmed −40%
AMDAdvanced Micro Devices Inc
5.9%Added +1062%
SEZLSezzle Inc
4.0%Trimmed −28%
WULFTerawulf Inc
2.6%Trimmed −8%
BTSGBrightspring Health SVCS Inc
2.5%Trimmed −7%
EBAYEbay Inc.
2.4%Added +43%
RUNSunrun Inc
2.3%Added +41%
VIAVViavi Solutions Inc
2.0%Trimmed −3%
PEverpure Inc
2.0%New
ARMArm Holdings PLC
1.8%Added +161%
SHLSShoals Technologies Group In
1.8%Trimmed −26%
AMZNAmazon Com Inc
1.8%Trimmed −35%
SNDKSandisk Corp
6.2%Trimmed −40%
AMDAdvanced Micro Devices Inc
5.9%Added +1062%
SEZLSezzle Inc
4.0%Trimmed −28%
WULF2.6%BTSG2.5%EBAY2.4%RUN2.3%VIAV2.0%P2.0%ARM1.8%SHLS1.8%AMZN1.8%Boxes show the top 12 stocks, sized against each other. The bar above shows how much of the fund they are. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.
Show the top 12 as a list
SNDK Sandisk Corp 6.2% Trimmed −40%AMD Advanced Micro Devices Inc 5.9% Added +1062%SEZL Sezzle Inc 4.0% Trimmed −28%WULF Terawulf Inc 2.6% Trimmed −8%BTSG Brightspring Health SVCS Inc 2.5% Trimmed −7%EBAY Ebay Inc. 2.4% Added +43%RUN Sunrun Inc 2.3% Added +41%VIAV Viavi Solutions Inc 2.0% Trimmed −3%P Everpure Inc 2.0% NewARM Arm Holdings PLC 1.8% Added +161%SHLS Shoals Technologies Group In 1.8% Trimmed −26%AMZN Amazon Com Inc 1.8% Trimmed −35%
What changed