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| Ardsley Advisory Partners LP
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|---|---|
| CRD # | 301116 |
| SEC # | 801-114966 |
| CIK # | 0000900529 |
| AUM | 1,635.7 M (2026-05-06) |
| Employees | 11 (64% Investors, 0% Brokers) |
| Fees | |
| Minimum | |
| 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 | AUM |
|---|---|---|---|---|
| HF | Ardsley World Information Technology Offshore Fund Ltd | [2026-02-24] | 76.1 M | 7.6 M |
| Filed 2025-11-17 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose | ||||
| HF | Ardsley Ridgecrest Partners Fund LP | [2019-01-23] | 30.3 M | 25.8 M |
| Filed 2024-11-18 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose | ||||
| HF | Ardsley Conway Fund LP | [2018-03-22] | 14.0 M | 5.3 M |
| Filed 2019-11-21 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose | ||||
| HF | Ardsley Duckdive Fund LP | [2017-03-16] | 17.1 M | 25.6 M |
| Filed 2025-11-17 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose | ||||
| HF | Ardsley Partners Advanced Healthcare Fund LP | [2015-03-17] | 285.6 M | 332.4 M |
| Filed 2025-11-17 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose | ||||
| HF | Ardsley Healthcare Fund LP | [2013-03-25] | 23.4 M | 10.3 M |
| Filed 2020-11-20 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose | ||||
| HF | Ardsley Partners Fund II LP | [2012-02-14] | 54.3 M | |
| HF | Ardsley Sustainable Opportunities Fund LP | [2012-02-14] | 98.2 M | 309.6 M |
| Filed 2025-11-17 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose | ||||
| HF | Ardsley World Information Technology Fund LP | [2012-02-14] | 76.1 M | 108.5 M |
| Filed 2025-11-17 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose | ||||
| 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 | Executive Officer | 8 | 3 | |
| Ardsley Partners I GP LLC | Executive Officer | 8 | 3 | |
| Spencer Hempleman | Executive Officer | 8 | 3 | |
| Ardsley Advisory Partners LP | Promoter | 8 | 3 | |
| Ardsley Partners I | Executive Officer | 3 | 3 | |
| Ardsley Advisory Partners | Promoter | 3 | 2 | |
| Ardsley Advisory | Promoter | 2 | 2 | |
| Ardsley Partners I Ardsley Partners I | Executive Officer | 2 | 2 |
| EDGAR Form | CIK | 2011 - 2026 |
|---|---|---|
| 13F-HR | [0000900529] | |
| 3 | [0000900529] | |
| 4 | [0000900529] | |
| SC 13D | [0000900529] | |
| SC 13G | [0000900529] |
| Firm Profile (Form ADV) | |
|---|---|
| Discretionary AUM | $0.7B |
| Clients | 1 (45 non-US) |
| Serves | Institutional |
| Fund Types | Hedge Fund |
| LEI | 549300GQR5ULS7W2C050 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Marrone Bio Innovations Inc MBII
Warrant · derivative
|
2021-11-11 | Option exercise | 618,014 | $0.75 | 463,510 |
|
Marrone Bio Innovations Inc MBII
Common Stock
|
2021-11-11 | Option exercise | 618,014 | $0.75 | 463,510 |
|
Marrone Bio Innovations Inc MBII
Common Stock
|
2021-03-12 | Option exercise | 741,617 | $0.75 | 556,213 |
|
Marrone Bio Innovations Inc MBII
Warrant · derivative
|
2021-03-12 | Option exercise | 741,617 | $0.75 | 556,213 |
|
Marrone Bio Innovations Inc MBII
Common Stock
|
2020-12-31 | Other | 50,000 | $1.26 | 63,000 |
|
Marrone Bio Innovations Inc MBII
Common Stock
|
2020-12-31 | Other | 50,000 | $1.26 | 63,000 |
|
Marrone Bio Innovations Inc MBII
Common Stock
|
2020-12-14 | Option exercise | 1,648,037 | $0.75 | 1,236,028 |
|
Marrone Bio Innovations Inc MBII
Warrant · derivative
|
2020-12-14 | Option exercise | 1,648,037 | $0.75 | 1,236,028 |
|
Marrone Bio Innovations Inc MBII
Common Stock
|
2020-09-15 | Option exercise | 343,341 | ||
|
Marrone Bio Innovations Inc MBII
Warrant · derivative
|
2020-09-15 | Option exercise | 343,341 | $0.75 | 257,506 |
|
SunOpta Inc STKL
Common Stock
|
2020-08-18 | Sell | 2,300,000 | $6.00 | 13,800,000 |
|
SunOpta Inc STKL
Common Stock
|
2020-08-18 | Sell | 1,000,000 | $6.00 | 6,000,000 |
|
SunOpta Inc STKL
Common Stock
|
2020-08-06 | Sell | 12,500 | $6.77 | 84,625 |
|
SunOpta Inc STKL
Common Stock
|
2020-08-05 | Sell | 50,000 | $6.31 | 315,500 |
|
SunOpta Inc STKL
Common Stock
|
2020-08-05 | Sell | 25,000 | $6.56 | 164,000 |
|
SunOpta Inc STKL
Common Stock
|
2020-08-05 | Sell | 25,000 | $7.10 | 177,500 |
|
Marrone Bio Innovations Inc MBII
Common Stock
|
2020-05-01 | Option exercise | 429,176 | ||
|
Marrone Bio Innovations Inc MBII
Warrant · derivative
|
2020-05-01 | Option exercise | 429,176 | ||
|
Marrone Bio Innovations Inc MBII
Warrant · derivative
|
2020-04-29 | Grant | 741,617 | ||
|
Marrone Bio Innovations Inc MBII
Warrant · derivative
|
2020-04-29 | Grant | 1,648,037 | ||
| showing 20 of 83 most recent transactions | |||||
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1,655.8 M | |
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NY | 1,652.9 M |
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MA | 1,652.2 M |
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Park Presidio Capital LLC
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1,638.0 M | |
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Shellback Capital LP
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MA | 1,629.0 M |
|
Columbus Hill Capital Management LP
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NJ | 1,614.4 M |
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Hayfin Capital Management LLC
✚
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NY | 1,614.0 M |
|
Teewinot Capital Advisers LLC
✚
|
CT | 1,611.9 M |