Mink Brook Opportunity Fund LP
Mink Brook Opportunity Fund LP is a hedge fund based in West Palm Beach, Florida. According to its most recent Form D, filed Jan 8, 2026, the fund has sold $46,350,000 of interests to 8 investors since its first sale in Jan 2022. The minimum investment it accepts from an outside investor is $1,000,000. It relies on the Section 3(c)(1) exclusion, which limits it to 100 beneficial owners, typically accredited investors. The offering uses Rule 506(c), which permits general advertising to investors verified as accredited. Based on its first sale date and the amount raised, AltMountain classifies it as an emerging manager. Related persons named in the filing include Mink Brook Capital GP; William Mueller.
Performance
No verified returns have been reported for this fund. As a rough guide, Mink Brook Asset Management LLC, which manages it, disclosed U.S. stock holdings that returned an estimated +26.3% 2026 YTD through Jun 30 (S&P 500: +9.5%), based only on its public 13F filings. Over a longer period, Q1 2025 to Q2 2026, the estimate is +39.1% (S&P 500: +27.4%).
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
- $46,350,000Cumulative sales reported on Form D
- Investors
- 8
- First sale
- Jan 21, 2022
- Minimum investment
- $1,000,000
- Who can invest
- Accredited investorsSection 3(c)(1): up to 100 beneficial owners
- Offering exemption
- Rule 506(c)May advertise; investors must be verified as accredited
- Key people and entities
- Mink Brook Capital GP; William Mueller
- Latest Form D
- Jan 8, 2026
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 Mink Brook Opportunity Fund LP
What is the minimum investment for Mink Brook Opportunity Fund LP?
According to its latest Form D, filed Jan 8, 2026, the minimum investment Mink Brook Opportunity Fund LP accepts from an outside investor is $1,000,000.
Who can invest in Mink Brook Opportunity Fund LP?
Mink Brook Opportunity Fund LP 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(c), so it may advertise, but every investor must be verified as accredited.
How much has Mink Brook Opportunity Fund LP raised?
Mink Brook Opportunity Fund LP reports $46,350,000 sold from 8 investors on its Form D filed Jan 8, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is Mink Brook Opportunity Fund LP based?
Mink Brook Opportunity Fund LP is based in West Palm Beach, Florida and is managed by Mink Brook Asset Management LLC.
When did Mink Brook Opportunity Fund LP launch?
Mink Brook Opportunity Fund LP reports its first sale in Jan 2022, which makes it an emerging manager by AltMountain's definition (first sale in 2021 or later and under $50 million raised).
Size compared with every hedge fund
Raised more than 69% of the 750 hedge funds based in Florida, and more than 44% of all 10,308 that report sales.