Ardsley Partners Advanced Healthcare Fund, L.P.
Ardsley Partners Advanced Healthcare Fund, L.P. is a hedge fund based in Norwalk, Connecticut. According to its most recent Form D, filed Nov 17, 2025, the fund has sold $285,559,260 of interests to 4 investors since its first sale in Dec 2015. The filing does not set a minimum investment. It relies on the Section 3(c)(1) exclusion, which limits it to 100 beneficial owners, typically accredited investors. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include Ardsley Advisory Partners LP; Spencer Hempleman; Philip Hempleman.
Performance
No verified returns have been reported for this fund. As a rough guide, Ardsley Partners, which manages it, disclosed U.S. stock holdings that returned an estimated +46.6% 2026 YTD through Jun 30 (S&P 500: +9.5%), based only on its public 13F filings. Over a longer period, Q3 2024 to Q2 2026, the estimate is +126.0% (S&P 500: +37.2%).
This estimate covers the firm's whole disclosed long U.S. stock portfolio. It is not this fund's return and excludes dividends, fees, shorts, derivatives, bonds, cash and trading within each quarter.
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- Total raised
- $285,559,260Cumulative sales reported on Form D
- Investors
- 4
- First sale
- Dec 1, 2015
- Minimum investment
- None set
- Who can invest
- Accredited investorsSection 3(c)(1): up to 100 beneficial owners
- Offering exemption
- Rule 506(b)No general advertising
- Key people and entities
- Ardsley Advisory Partners LP; Spencer Hempleman; Philip Hempleman
- Latest Form D
- Nov 17, 2025
From SEC filings, not verified. This page republishes the fund's Form D as filed. It is not an offer, solicitation or recommendation, and AltMountain has not reviewed the fund. “Raised” is cumulative sales, not current assets or performance. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction
Questions about Ardsley Partners Advanced Healthcare Fund, L.P.
What is the minimum investment for Ardsley Partners Advanced Healthcare Fund, L.P.?
Ardsley Partners Advanced Healthcare Fund, L.P.'s latest Form D, filed Nov 17, 2025, does not set a minimum investment. Managers can still require one in the offering documents.
Who can invest in Ardsley Partners Advanced Healthcare Fund, L.P.?
Ardsley Partners Advanced Healthcare Fund, L.P. is generally open only to accredited investors, and it may have no more than 100 beneficial owners because it relies on Section 3(c)(1). It uses Rule 506(b), which does not allow general advertising.
How much has Ardsley Partners Advanced Healthcare Fund, L.P. raised?
Ardsley Partners Advanced Healthcare Fund, L.P. reports $285,559,260 sold from 4 investors on its Form D filed Nov 17, 2025. This is cumulative sales since the offering began, not current assets or performance.
Where is Ardsley Partners Advanced Healthcare Fund, L.P. based?
Ardsley Partners Advanced Healthcare Fund, L.P. is based in Norwalk, Connecticut and is managed by Ardsley Partners.
When did Ardsley Partners Advanced Healthcare Fund, L.P. launch?
Ardsley Partners Advanced Healthcare Fund, L.P. reports its first sale in Dec 2015.
Size compared with every hedge fund
Raised more than 83% of the 862 hedge funds based in Connecticut, and more than 74% of all 10,307 that report sales.