Ardsley Advisory Partners LP

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Ardsley Advisory Partners LP ✚
CRD #	301116
SEC #	801-114966
CIK #	0000900529
AUM	$1.1 B (2025-05-14)
Employees	14 (64% Investors, 0% Brokers)
Phone	203-564-4200
Address	105 Rowayton Ave Norwalk, CT 06853
Source	[IAPD] [EDGAR] [Website]

Total AUM ($M) Copy

CIK	Period
0000900529	2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31

CIK

Period

0000900529

Sector	Form 13F Holdings	Value ($M)
	Fluor Corp	44.7
	Marvell Technology Inc	34.7
	Microsoft Corp	24.4
	Nvidia Corp	23.8
	Arista Networks Inc	22.3
	Advanced Micro Devices Inc	22.0
	Oracle Corp	21.9
	ARM Holdings PLC /UK	21.4
	Broadcom Inc	21.2
	Celestica Inc	21.1
	Amazon Com Inc	13.8
	Affirm Holdings Inc	13.5
	Babcock & Wilcox Co	12.2
	Humana Inc	12.2
	ServiceNow Inc	11.8
	Netflix Inc	11.4
	HUT 8 Corp	11.2
	Indivior PLC	10.7
	Alphabet Inc	10.3
	Tyco Electronics Ltd	10.0
	GS Acquisition Holdings Corp II	10.0
	VPC Impact Acquisition Holdings III Inc	9.4
	Power & Digital Infrastructure Acquisition Corp	9.0
	Ciena Corp	8.9
	Rubicon Project Inc	8.9
	Ikonics Corp	8.5
	Silverback Therapeutics Inc	8.3
	Corning Inc /NY	8.0
	Aldeyra Therapeutics Inc	7.9


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Type	Form D Funds	Date	Sold ($M)	AUM ($M)
HF	Ardsley Ridgecrest Partners Fund LP	[2019-01-23]	30.3	25.8
HF	Ardsley Conway Fund LP	[2018-03-22]	14.0	5.3
HF	Ardsley Duckdive Fund LP	[2017-03-16]	17.0	19.6
HF	Ardsley Partners Advanced Healthcare Fund LP	[2015-03-17]	285.6	294.0
HF	Ardsley Healthcare Fund LP	[2013-03-25]	23.4	10.3
HF	Ardsley Partners Fund II LP	[2012-02-14]		63.4
HF	Ardsley Sustainable Opportunities Fund LP	[2012-02-14]	99.4	269.1
HF	Ardsley World Information Technology Fund LP	[2012-02-14]	73.2	117.2

AUM Breakdown	Accounts	AUM ($M)
By Client Type
(a) Individuals (other than high net worth individuals)	0	0.0
(b) Individuals (high net worth individuals)	0	0.0
(c) Banking or thrift institutions	0	0.0
(d) Investment companies	0	0.0
(e) Business development companies	0	0.0
(f) Pooled investment vehicles	8	1,050.6
(g) Pension and profit sharing plans	0	0.0
(h) Charitable organizations	0	0.0
(i) State or municipal government entities	0	0.0
(j) Other investment advisers	0	0.0
(k) Insurance companies	0	0.0
(l) Sovereign wealth funds and foreign official institutions	0	0.0
(m) Corporations or other businesses not listed above	0	0.0
(n) Other	2	93.2
Total	10	1,143.8
By Discretionary
Discretionary	10	1,143.8
Non-Discretionary	0	0.0
Total	10	1,143.8
By Non-United States Persons
Non-United States Persons		316.9
United States Persons		826.9
Total	10	1,143.8

Form D Directors	# Filings	# Firms	2011 - 2025
Philip Hempleman	8
Ardsley Partners I GP LLC	8
Spencer Hempleman	8
Ardsley Advisory Partners LP	8
Ardsley Partners I	3
Ardsley Advisory Partners	3
Ardsley Advisory	2
Ardsley Partners I Ardsley Partners I	2

EDGAR Form	CIK	2011 - 2025
13F-HR	[0000900529]
3	[0000900529]
4	[0000900529]
SC 13D	[0000900529]
SC 13G	[0000900529]

Form 13D/13G Filer	Form 13D/13G Subject	Filed
Ardsley Advisory Partners LP	Bioceres CROP Solutions Corp	[2023-01-25]
Ardsley Advisory Partners LP	Stronghold Digital Mining Inc	[2022-02-08]
Ardsley Advisory Partners LP	Marrone Bio Innovations Inc	[2022-02-08]
Ardsley Advisory Partners LP	Cantaloupe Inc	[2022-02-08]
Ardsley Advisory Partners LP	USA Technologies Inc	[2020-02-07]
Ardsley Advisory Partners LP	Just Energy Group Inc	[2020-02-07]
Ardsley Advisory Partners LP	Sunopta Inc	[2019-02-12]
Ardsley Advisory Partners	Marrone Bio Innovations Inc	[2018-02-07]
Ardsley Advisory Partners	American Superconductor Corp /DE/	[2017-05-08]
Ardsley Advisory Partners	Marrone Bio Innovations Inc	[2017-05-05]
View All

Form 3/4/5 Subject	2011 - 2025
Ardsley Partners Renewable Energy Fund, L.P.
Ardsley Partners I GP LLC
Ardsley Advisory Partners GP LLC
Ardsley Advisory Partners LP
Ardsley Partners Advanced Healthcare Fund, L.P.
Marrone Bio Innovations Inc
Hempleman Philip J
Ardsley Partners Fund II, L.P.
Ardsley Ridgecrest Partners Fund, L.P.
Ardsley Duckdive Fund, L.P.
View All

Comparable Firms	State	AUM ($B)
Blue Grotto Capital LLC ✚	GA	1.2
Malabar Investments LLC ✚	NY	1.2
Teleios Capital Partners LLC ✚		1.1
GAM USA Inc ✚	NY	1.1
Ground Swell Capital LLC ✚	SC	1.1
SIO Capital Management LLC ✚	NY	1.1
Carlyle Aviation Securities Partners LLC ✚	FL	1.1
Bornite Capital Management LP ✚	NY	1.1
Spring Lake Asset Management Inc ✚		1.1
Archon Partners LLC ✚		1.1

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Ardsley Advisory Partners LP

Assets, Funds, Holdings