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| Ardsley Advisory Partners LP
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|---|---|
| CRD # | 301116 |
| SEC # | 801-114966 |
| CIK # | 0000900529 |
| AUM | $1.6 B (2026-05-06) |
| Employees | 11 (64% Investors, 0% Brokers) |
| Phone | 203-564-4200 |
| Address | 105 Rowayton Ave Norwalk, CT 06853 |
| Source | [IAPD] [EDGAR] [Website] |
| Total AUM ($M) |
|---|
| Sector | Form 13F Holdings | Value ($M) | |
|---|---|---|---|
| Sandisk Corp | 56.7 | ||
| Advanced Micro Devices Inc | 54.0 | ||
| Sezzle Inc | 36.9 | ||
| Ikonics Corp | 23.7 | ||
| BrightSpring Health Services Inc | 22.7 | ||
| eBay Inc | 22.3 | ||
| Sunrun Inc | 21.4 | ||
| JDS Uniphase Corp /CA/ | 18.6 | ||
| ARM Holdings PLC /UK | 16.6 | ||
| Shoals Technologies Group Inc | 16.5 | ||
| View All | |||
| Holdings by Sector ($M) |
|---|
| Type | Form D Funds | Date | Sold ($M) | AUM ($M) |
|---|---|---|---|---|
| HF | Ardsley World Information Technology Offshore Fund Ltd | [2026-02-24] | 76.1 | 7.6 |
| 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] | 17.1 | 25.6 |
| HF | Ardsley Partners Advanced Healthcare Fund LP | [2015-03-17] | 285.6 | 332.4 |
| HF | Ardsley Healthcare Fund LP | [2013-03-25] | 23.4 | 10.3 |
| HF | Ardsley Partners Fund II LP | [2012-02-14] | 54.3 | |
| HF | Ardsley Sustainable Opportunities Fund LP | [2012-02-14] | 98.2 | 309.6 |
| HF | Ardsley World Information Technology Fund LP | [2012-02-14] | 76.1 | 108.5 |
| AUM Breakdown | Accounts | AUM ($M) |
|---|---|---|
| By Client Type | ||
| (a) Individuals (other than high net worth individuals) | 0 | 0.0 |
| (b) Individuals (high net worth individuals) | 0 | 0.0 |
| (c) Banking or thrift institutions | 0 | 0.0 |
| (d) Investment companies | 0 | 0.0 |
| (e) Business development companies | 0 | 0.0 |
| (f) Pooled investment vehicles | 9 | 1,426.2 |
| (g) Pension and profit sharing plans | 0 | 0.0 |
| (h) Charitable organizations | 0 | 0.0 |
| (i) State or municipal government entities | 0 | 0.0 |
| (j) Other investment advisers | 0 | 0.0 |
| (k) Insurance companies | 0 | 0.0 |
| (l) Sovereign wealth funds and foreign official institutions | 0 | 0.0 |
| (m) Corporations or other businesses not listed above | 0 | 0.0 |
| (n) Other | 2 | 209.5 |
| Total | 11 | 1,635.7 |
| By Discretionary | ||
| Discretionary | 11 | 1,635.7 |
| Non-Discretionary | 0 | 0.0 |
| Total | 11 | 1,635.7 |
| By Non-United States Persons | ||
| Non-United States Persons | 738.1 | |
| United States Persons | 897.6 | |
| Total | 11 | 1,635.7 |
| Form D Directors | Role | # Filings | # Firms | 2011 - 2026 |
|---|---|---|---|---|
| Philip Hempleman | 8 | 3 | ||
| Ardsley Partners I GP LLC | 8 | 3 | ||
| Spencer Hempleman | 8 | 3 | ||
| Ardsley Advisory Partners LP | 8 | 3 | ||
| Ardsley Partners I | 3 | 3 | ||
| Ardsley Advisory Partners | 3 | 2 | ||
| Ardsley Advisory | 2 | 2 | ||
| Ardsley Partners I Ardsley Partners I | 2 | 2 |
| EDGAR Form | CIK | 2011 - 2026 |
|---|---|---|
| 13F-HR | [0000900529] | |
| 3 | [0000900529] | |
| 4 | [0000900529] | |
| SC 13D | [0000900529] | |
| SC 13G | [0000900529] |
| Comparable Firms | State | AUM ($B) |
|---|---|---|
|
Deltroit Asset Management UK LLP
✚
|
1.7 | |
|
Richbrook Advisors LP
✚
|
NY | 1.7 |
|
Bain Capital Partnership Strategies LP
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MA | 1.7 |
|
Park Presidio Capital LLC
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CA | 1.6 |
|
Tree Line Advisors Hong Kong Ltd
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1.6 | |
|
Zweig-Dimenna Associates LLC
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NY | 1.6 |
|
Shellback Capital LP
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|
MA | 1.6 |
|
Columbus Hill Capital Management LP
✚
|
NJ | 1.6 |
|
Hayfin Capital Management LLC
✚
|
NY | 1.6 |
|
Teewinot Capital Advisers LLC
✚
|
CT | 1.6 |