RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS
RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS is a hedge fund based in New York, New York. According to its most recent Form D, filed Aug 21, 2026, the fund has sold $11,002,000 of interests to 3 investors since its first sale in Sep 2022. The filing does not set a minimum investment. It relies on the Section 3(c)(7) exclusion, so investors generally must be qualified purchasers. The offering uses Rule 506(b), which does not permit general solicitation. Based on its first sale date and the amount raised, AltMountain classifies it as an emerging manager. Related persons named in the filing include Vlad Kotlyarsky; RichBrook Advisors, LP; RichBrook GP, LLC.
Performance
No verified returns have been reported for this fund. Hedge fund returns are not part of SEC filings; managers report them to AltMountain directly.
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- Total raised
- $11,002,000Cumulative sales reported on Form D
- Investors
- 3
- First sale
- Sep 12, 2022
- Minimum investment
- None set
- Who can invest
- Qualified purchasersSection 3(c)(7): generally $5M+ in investments
- Offering exemption
- Rule 506(b)No general advertising
- Key people and entities
- Vlad Kotlyarsky; RichBrook Advisors, LP; RichBrook GP, LLC
- Latest Form D
- Aug 21, 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 RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS
What is the minimum investment for RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS?
RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS's latest Form D, filed Aug 21, 2026, does not set a minimum investment. Managers can still require one in the offering documents.
Who can invest in RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS?
RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS is generally open only to qualified purchasers (generally individuals with at least $5 million in investments), because it relies on Section 3(c)(7). It uses Rule 506(b), which does not allow general advertising.
How much has RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS raised?
RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS reports $11,002,000 sold from 3 investors on its Form D filed Aug 21, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS based?
RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS is based in New York, New York and is managed by Richbrook Advisors, LP.
When did RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS launch?
RichBrook Fund, LP Portfolio B - Illiquid MBS/ABS reports its first sale in Sep 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 24% of the 2,544 hedge funds based in New York, and more than 22% of all 10,307 that report sales.