Linear B Master Fund LP is a hedge fund based in New York, New York. According to its most recent Form D, filed Aug 14, 2026, the fund has sold $7,884,448 of interests to 6 investors since its first sale in Aug 2021. The minimum investment it accepts from an outside investor is $100,000. 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 Linear B Fund GP LLC; Linear B Partners 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
- $7,884,448Cumulative sales reported on Form D
- Investors
- 6
- First sale
- Aug 9, 2021
- Minimum investment
- $100,000
- Who can invest
- Qualified purchasersSection 3(c)(7): generally $5M+ in investments
- Offering exemption
- Rule 506(b)No general advertising
- Key people and entities
- Linear B Fund GP LLC; Linear B Partners LP
- Latest Form D
- Aug 14, 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 Linear B Master Fund LP
What is the minimum investment for Linear B Master Fund LP?
According to its latest Form D, filed Aug 14, 2026, the minimum investment Linear B Master Fund LP accepts from an outside investor is $100,000.
Who can invest in Linear B Master Fund LP?
Linear B 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 Linear B Master Fund LP raised?
Linear B Master Fund LP reports $7,884,448 sold from 6 investors on its Form D filed Aug 14, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is Linear B Master Fund LP based?
Linear B Master Fund LP is based in New York, New York and is managed by Linear B Partners LP.
When did Linear B Master Fund LP launch?
Linear B Master Fund LP reports its first sale in Aug 2021, 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 21% of the 2,544 hedge funds based in New York, and more than 18% of all 10,308 that report sales.