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Latest ARDSLEY ADVISORY PARTNERS LP Stock Portfolio

$960Million | No. of Holdings #130

ARDSLEY ADVISORY PARTNERS LP Performance

2026 Q2+24.36%
YTD+28.25%
2025+29.18%

About ARDSLEY ADVISORY PARTNERS LP and 13F Hedge Fund Stock Holdings

ARDSLEY ADVISORY PARTNERS LP is a hedge fund based in Stamford, CT. On 2026-07-13, the fund reported it's updated stock portfolio. In the 13F Holdings report, ARDSLEY ADVISORY PARTNERS LP reported an equity portfolio of $960.2 Millions as of 30 Jun, 2026. <br><br> The top stock holdings of ARDSLEY ADVISORY PARTNERS LP are , AMD, . The fund has invested 5.9% of it's portfolio in SANDISK CORP and 5.6% of portfolio in ADVANCED MICRO DEVICES INC. <br><br> The fund managers got completely rid off ARISTA NETWORKS INC (ANET), META PLATFORMS INC (META) and NVIDIA CORPORATION (NVDA) stocks. They significantly reduced their stock positions in FLUENCE ENERGY INC (FLNC), SEMTECH CORP (SMTC) and BROADCOM INC (AVGO). ARDSLEY ADVISORY PARTNERS LP opened new stock positions in EVERPURE INC (PSTG), PALO ALTO NETWORKS INC (PANW) and PRIMORIS SVCS CORP (PRIM). The fund showed a lot of confidence in some stocks as they added substantially to ADVANCED MICRO DEVICES INC (AMD), LSB INDS INC (LXU) and IMPINJ INC (PI).
ARDSLEY ADVISORY PARTNERS LP Equity Portfolio Value
Last Reported on: 13 Jul, 2026
$960Million
  as of Jul 13, 2026

ARDSLEY ADVISORY PARTNERS LP Annual Return Estimates Vs S&P 500

Our best estimate is that ARDSLEY ADVISORY PARTNERS LP made a return of 24.36% in the last quarter. In trailing 12 months, it's portfolio return was 56.31%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
everpure inc18,302,200
palo alto networks inc14,638,100
primoris svcs corp13,383,900
apple inc13,005,000
onto innovation inc11,921,200
td synnex corporation11,629,300
allegiant travel co10,584,000
oscar health inc9,982,000
New stocks bought by ARDSLEY ADVISORY PARTNERS LP

Additions

Ticker% Inc.
advanced micro devices inc1,062
lsb inds inc200
impinj inc186
fuelcell energy inc166
arm holdings plc161
enphase energy inc158
sentinelone inc156
bloom energy corp138
Additions to existing portfolio by ARDSLEY ADVISORY PARTNERS LP

Reductions

Ticker% Reduced
fluence energy inc-89.19
semtech corp-82.61
broadcom inc-76.54
denison mines corp-71.43
servicenow inc-70.34
avery dennison corp-70.00
mp materials corp-66.67
wolfspeed inc-57.14
ARDSLEY ADVISORY PARTNERS LP reduced stake in above stock

Sold off

Ticker$ Sold
nexgen energy ltd-3,480,000
sunopta inc-1,425,600
upwork inc-2,082,400
bellring brands inc-2,815,750
arista networks inc-21,326,900
boston scientific corp-9,412,500
select sector spdr tr-6,876,000
amprius technologies inc-2,106,250
ARDSLEY ADVISORY PARTNERS LP got rid off the above stocks

Sector Distribution

ARDSLEY ADVISORY PARTNERS LP has about 35.8% of it's holdings in Technology sector.

  • Technology
  • Others
  • Industrials
  • Healthcare
  • Consumer Cyclical
  • Communication Services
  • Financial Services
  • Energy
  • Real Estate
  • Utilities
Sector%
Technology35.8
Others26.9
Industrials8.8
Healthcare8.2
Consumer Cyclical6.5
Communication Services4.2
Financial Services3.6
Energy2.6
Real Estate1.5
Utilities1.2

Market Cap. Distribution

ARDSLEY ADVISORY PARTNERS LP has about 44.3% of it's portfolio invested in the large-cap and mega-cap stocks.

  • LARGE-CAP
  • UNALLOCATED
  • MID-CAP
  • MEGA-CAP
  • SMALL-CAP
Category%
LARGE-CAP31.1
UNALLOCATED26.9
MID-CAP23.2
MEGA-CAP13.2
SMALL-CAP5.1

Stocks belong to which Index?

About 51.9% of the stocks held by ARDSLEY ADVISORY PARTNERS LP either belong to S&P 500 or RUSSELL 2000 index.

  • Others
  • S&P 500
  • RUSSELL 2000
Index%
Others48.1
S&P 50028.6
RUSSELL 200023.3
Top 5 Winners (%)%
sandisk corp
204.7 %
sezzle inc
146.9 %
wolfspeed inc
139.5 %
FCEL
fuelcell energy inc
129.3 %
hut 8 corp
116.9 %
Top 5 Winners ($)$
sandisk corp
54.7 M
sezzle inc
27.9 M
AMD
advanced micro devices inc
19.1 M
SMTC
semtech corp
12.9 M
WULF
terawulf inc
10.2 M
Top 5 Losers (%)%
sunpower inc
-41.6 %
AGI
alamos gold inc
-25.4 %
BIOX
bioceres crop solutions corp
-21.3 %
LXU
lsb inds inc
-20.1 %
IE
ivanhoe electric inc
-18.7 %
Top 5 Losers ($)$
UTHR
united therapeutics corp del
-2.0 M
AGI
alamos gold inc
-2.0 M
VZ
verizon communications inc
-1.1 M
CWEN
clearway energy inc
-0.7 M
NU
nu hldgs ltd
-0.7 M

ARDSLEY ADVISORY PARTNERS LP Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of ARDSLEY ADVISORY PARTNERS LP

ARDSLEY ADVISORY PARTNERS LP has 130 stocks in it's portfolio. About 30.3% of the portfolio is in top 10 stocks. UTHR proved to be the most loss making stock for the portfolio. was the most profitable stock for ARDSLEY ADVISORY PARTNERS LP last quarter.

$921.07MTotal Value
168Positions
13 Jul, 2026Last Reported
Current holdings of Current Stock Holdings of ARDSLEY ADVISORY PARTNERS LP, last reported on 13 Jul, 2026. Select a row with a linked ticker to view its historical trend.
ExpandHoldingsorted ascending% PortfolioShares Held$ Value% Change
ACES
Alps Etf Tr

Alps Etf Tr

ACES
ARDSLEY ADVISORY PARTNERS LP's holding in Alps Etf Tr over time
1.08%200,000
$10.37M
1.08%
unchanged 0 percentunchanged
AGI
Alamos Gold Inc

Alamos Gold Inc

AGI
ARDSLEY ADVISORY PARTNERS LP's holding in Alamos Gold Inc over time
0.33%105,000
$3.19M
0.33%
decreased 40 percentreduced