Latest ARDSLEY ADVISORY PARTNERS LP Stock Portfolio

ARDSLEY ADVISORY PARTNERS LP Performance:

2025 Q3: 12.6%YTD: 19.35%2024: 8.81%

Performance for 2025 Q3 is 12.6%, and YTD is 19.35%, and 2024 is 8.81%.

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

ARDSLEY ADVISORY PARTNERS LP is a hedge fund based in STAMFORD, CT. On 07-Jun-2023, the fund reported that it had an AUM (Regulated Assets under Management) of $789.3 Millions. In it's latest 13F Holdings report, ARDSLEY ADVISORY PARTNERS LP reported an equity portfolio of $808.7 Millions as of 30 Sep, 2025.

The top stock holdings of ARDSLEY ADVISORY PARTNERS LP are FSLR, , RUN. The fund has invested 3.5% of it's portfolio in FIRST SOLAR INC and 3.4% of portfolio in HUT 8 CORP.

The fund managers got completely rid off CELESTICA INC, HUMANA INC (HUM) and SERVICENOW INC (NOW) stocks. They significantly reduced their stock positions in BLOOM ENERGY CORP (BE), BIOCERES CROP SOLUTIONS CORP and SHOALS TECHNOLOGIES GROUP IN (SHLS). ARDSLEY ADVISORY PARTNERS LP opened new stock positions in EOS ENERGY ENTERPRISES INC (EOSE), LUMENTUM HLDGS INC (LITE) and SILICON MOTION TECHNOLOGY CO (SIMO). The fund showed a lot of confidence in some stocks as they added substantially to FIRST SOLAR INC (FSLR), TERADYNE INC (TER) and SUNRUN INC (RUN).

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

Our best estimate is that ARDSLEY ADVISORY PARTNERS LP made a return of 12.6% in the last quarter. In trailing 12 months, it's portfolio return was 19.54%.

New Buys

Ticker	$ Bought
eos energy enterprises inc	18,144,200
lumentum hldgs inc	13,993,100
silicon motion technology co	12,609,700
alamos gold inc new	11,329,500
sandisk corp	11,220,000
argenx se	11,063,400
okta inc	9,720,200
applied optoelectronics inc	9,564,480

New stocks bought by ARDSLEY ADVISORY PARTNERS LP

Additions

Ticker	% Inc.
first solar inc	760
teradyne inc	453
sunrun inc	416
nexgen energy ltd	400
flowserve corp	200
brightspring health svcs inc	200
clearway energy inc	127
paypal hldgs inc	120

Additions to existing portfolio by ARDSLEY ADVISORY PARTNERS LP

Reductions

Ticker	% Reduced
bloom energy corp	-95.83
bioceres crop solutions corp	-93.96
shoals technologies group in	-93.33
tripadvisor inc	-90.48
affirm hldgs inc	-89.85
arista networks inc	-84.4
magnite inc	-83.78
fluor corp new	-83.04

ARDSLEY ADVISORY PARTNERS LP reduced stake in above stock

Sold off

Ticker	$ Sold
ferroglobe plc	-7,367,870
indivior plc	-10,686,500
ars pharmaceuticals inc	-8,288,750
core scientific inc new	-7,681,500
remitly global inc	-5,631,000
surgery partners inc	-6,669,000
plug power inc	-372,575
amplitude inc	-2,604,000

ARDSLEY ADVISORY PARTNERS LP got rid off the above stocks

Sector Distribution

ARDSLEY ADVISORY PARTNERS LP has about 40.6% of it's holdings in Technology sector.

Sector	%
Technology	40.6
Others	23.9
Industrials	9.9
Healthcare	7.4
Consumer Cyclical	4.7
Financial Services	4.1
Communication Services	3.2
Utilities	2.2
Energy	1.5

Market Cap. Distribution

ARDSLEY ADVISORY PARTNERS LP has about 41.1% of it's portfolio invested in the large-cap and mega-cap stocks.

Category	%
UNALLOCATED	23.9
LARGE-CAP	23.5
MID-CAP	20.7
MEGA-CAP	17.6
SMALL-CAP	9.4
MICRO-CAP	4.9

Stocks belong to which Index?

About 52% of the stocks held by ARDSLEY ADVISORY PARTNERS LP either belong to S&P 500 or RUSSELL 2000 index.

Index	%
Others	48
S&P 500	34.2
RUSSELL 2000	17.8

Top 5 Winners (%)		%
WULF	terawulf inc	139.4 %
BE	bloom energy corp	132.1 %
APP	applovin corp	105.3 %
TTI	tetra technologies inc del	71.1 %
	hut 8 corp	62.8 %

Top 5 Winners ($)		$
	hut 8 corp	10.7 M
WULF	terawulf inc	10.1 M
RUN	sunrun inc	8.7 M
ORCL	oracle corp	5.7 M
ANET	arista networks inc	5.5 M

Top 5 Losers (%)		%
	bioceres crop solutions corp	-36.3 %
ADMA	adma biologics inc	-19.0 %
	profound med corp	-17.1 %
	arm holdings plc	-12.5 %
DKNG	draftkings inc new	-12.0 %

Top 5 Losers ($)		$
FLR	fluor corp new	-4.3 M
	arm holdings plc	-2.2 M
	bioceres crop solutions corp	-1.6 M
ADMA	adma biologics inc	-1.5 M
DKNG	draftkings inc new	-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 99 stocks in it's portfolio. About 26.7% of the portfolio is in top 10 stocks. FLR proved to be the most loss making stock for the portfolio. was the most profitable stock for ARDSLEY ADVISORY PARTNERS LP last quarter.

Last Reported on: 14 Nov, 2025

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
AAOI	applied optoelectronics inc	1.18	364,500	9,564,480	new

AAON	aaon inc	0.37	32,200	3,008,770	new

ACHR	archer aviation inc	0.00	0.00	0.00	sold off	-100

ADMA	adma biologics inc	0.77	425,000	6,230,500	added	6.25

ADSK	autodesk inc	0.00	0.00	0.00	sold off	-100

AEIS	advanced energy inds	0.94	44,500	7,571,230	added	27.14

AES	aes corp	0.20	125,000	1,645,000	added	25.00

AFRM	affirm hldgs inc	0.18	20,000	1,461,600	reduced	-89.85

ALCC	oklo inc	0.00	0.00	0.00	sold off	-100

ALDX	aldeyra therapeutics inc	1.23	1,900,000	9,918,000	reduced	-7.32

AMBA	ambarella inc	0.00	0.00	0.00	sold off	-100

AMPL	amplitude inc	0.00	0.00	0.00	sold off	-100

AMPS	ishares tr	0.00	0.00	0.00	sold off	-100

AMRC	ameresco inc	0.21	50,000	1,679,000	new

AMZN	amazon com inc	2.05	75,500	16,568,500	added	19.84

ANET	arista networks inc	0.61	34,000	4,954,140	reduced	-84.4

APP	applovin corp	0.71	8,000	5,748,320	unchanged	0.00

ARRY	array technologies inc	0.00	0.00	0.00	sold off	-100

AVGO	broadcom inc	2.47	60,500	19,959,600	reduced	-21.43

BABA	alibaba group hldg ltd	0.00	0.00	0.00	sold off	-100