Ardsley Advisory Partners LP

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Ardsley Advisory Partners LP
CRD #301116
SEC #801-114966
CIK #0000900529
AUM $1.1 B (2025-05-14)
Employees 14 (64% Investors, 0% Brokers)
Phone203-564-4200
Address105 Rowayton Ave
Norwalk, CT 06853
Source [IAPD] [EDGAR] [Website]
Total AUM ($M)
120096072048024002011201620212026
Sector Form 13F Holdings Value ($M)
Fluor Corp 44.7
Marvell Technology Inc 34.7
Microsoft Corp 24.4
Nvidia Corp 23.8
Arista Networks Inc 22.3
Advanced Micro Devices Inc 22.0
Oracle Corp 21.9
ARM Holdings PLC /UK 21.4
Broadcom Inc 21.2
Celestica Inc 21.1
View All
Holdings by Sector ($M)
1300104078052026002012201620212026
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.
Ardsley Healthcare Fund, L.P.
SunOpta Inc.
Ardsley Partners Institutional Fund, L.P.
Ardsley Partners US Equity UCITS Fund
Saba Software Inc
Ardsley Renewable Energy Offshore Fund, Ltd.
Ardsley Offshore Fund, Ltd.
Comverge Inc
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