Mission Pure Alpha Onshore LP
Mission Pure Alpha Onshore LP is a hedge fund based in Boston, Massachusetts. According to its most recent Form D, filed Dec 17, 2025, the fund has sold $8,500,000 of interests to 1 investor since its first sale in Dec 2024. The minimum investment it accepts from an outside investor is $1,000,000. 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 Monashee Holdings LLC; Monashee Investment Management, LLC; Monashee Capital 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
- $8,500,000Cumulative sales reported on Form D
- Investors
- 1
- First sale
- Dec 2, 2024
- Minimum investment
- $1,000,000
- Who can invest
- Qualified purchasersSection 3(c)(7): generally $5M+ in investments
- Offering exemption
- Rule 506(b)No general advertising
- Key people and entities
- Monashee Holdings LLC; Monashee Investment Management, LLC; Monashee Capital GP LLC
- Latest Form D
- Dec 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 Mission Pure Alpha Onshore LP
What is the minimum investment for Mission Pure Alpha Onshore LP?
According to its latest Form D, filed Dec 17, 2025, the minimum investment Mission Pure Alpha Onshore LP accepts from an outside investor is $1,000,000.
Who can invest in Mission Pure Alpha Onshore LP?
Mission Pure Alpha Onshore LP 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 Mission Pure Alpha Onshore LP raised?
Mission Pure Alpha Onshore LP reports $8,500,000 sold from 1 investor on its Form D filed Dec 17, 2025. This is cumulative sales since the offering began, not current assets or performance.
Where is Mission Pure Alpha Onshore LP based?
Mission Pure Alpha Onshore LP is based in Boston, Massachusetts and is managed by Monashee Investment Management, LLC.
When did Mission Pure Alpha Onshore LP launch?
Mission Pure Alpha Onshore LP reports its first sale in Dec 2024, 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 15% of the 474 hedge funds based in Massachusetts, and more than 19% of all 10,308 that report sales.