Istari Master Fund LP is a hedge fund based in Grand Cayman, Cayman Islands. Its most recent Form D, filed Oct 30, 2026, reports no sales yet. 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. Related persons named in the filing include Istari Fund GP LLC; Jason Lupatkin; Istari Capital Management LP.
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
- $0Cumulative sales reported on Form D
- Investors
- 0
- First sale
- —
- 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
- Istari Fund GP LLC; Jason Lupatkin; Istari Capital Management LP
- Latest Form D
- Oct 30, 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 Istari Master Fund LP
What is the minimum investment for Istari Master Fund LP?
Istari Master Fund LP's latest Form D, filed Oct 30, 2026, does not set a minimum investment. Managers can still require one in the offering documents.
Who can invest in Istari Master Fund LP?
Istari Master Fund 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 Istari Master Fund LP raised?
Istari Master Fund LP's latest Form D, filed Oct 30, 2026, reports no sales yet.
Where is Istari Master Fund LP based?
Istari Master Fund LP is based in Grand Cayman, Cayman Islands.
Size compared with every hedge fund
This fund hasn't reported any sales yet.