Orso Beta Arbitrage, LP is a hedge fund based in South San Francisco, California. According to its most recent Form D, filed Mar 4, 2026, the fund has sold $30,000,000 of interests to 2 investors since its first sale in Feb 2026. 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(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 Robert Morelli; Orso Partners Fund GP, LLC; Nathan Koppikar.
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
- $30,000,000Cumulative sales reported on Form D
- Investors
- 2
- First sale
- Feb 5, 2026
- Minimum investment
- $1,000,000
- 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
- Robert Morelli; Orso Partners Fund GP, LLC; Nathan Koppikar
- Latest Form D
- Mar 4, 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 Orso Beta Arbitrage, LP
What is the minimum investment for Orso Beta Arbitrage, LP?
According to its latest Form D, filed Mar 4, 2026, the minimum investment Orso Beta Arbitrage, LP accepts from an outside investor is $1,000,000.
Who can invest in Orso Beta Arbitrage, LP?
Orso Beta Arbitrage, 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(b), which does not allow general advertising.
How much has Orso Beta Arbitrage, LP raised?
Orso Beta Arbitrage, LP reports $30,000,000 sold from 2 investors on its Form D filed Mar 4, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is Orso Beta Arbitrage, LP based?
Orso Beta Arbitrage, LP is based in South San Francisco, California.
When did Orso Beta Arbitrage, LP launch?
Orso Beta Arbitrage, LP reports its first sale in Feb 2026, 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 48% of the 1,060 hedge funds based in California, and more than 37% of all 10,308 that report sales.